<SEC-DOCUMENT>0001193125-11-308610.txt : 20111114
<SEC-HEADER>0001193125-11-308610.hdr.sgml : 20111111
<ACCEPTANCE-DATETIME>20111114062525
ACCESSION NUMBER:		0001193125-11-308610
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110930
FILED AS OF DATE:		20111114
DATE AS OF CHANGE:		20111114
EFFECTIVENESS DATE:		20111114

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FRONTIER CAPITAL MANAGEMENT CO LLC
		CENTRAL INDEX KEY:			0000351173
		IRS NUMBER:				042715137
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-01185
		FILM NUMBER:		111197445

	BUSINESS ADDRESS:	
		STREET 1:		99 SUMMER ST
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		6172610777

	MAIL ADDRESS:	
		STREET 1:		99 SUMMER ST
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FRONTIER CAPITAL MANAGEMENT CO INC
		DATE OF NAME CHANGE:	19990326

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FRONTIER CAPITAL MANAGEMENT CORP
		DATE OF NAME CHANGE:	19810306
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>d255148d13fhr.txt
<DESCRIPTION>HOLDINGS REPORT
<TEXT>
<PAGE>


                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: September 30, 2011

Check here if Amendment [_]; Amendment Number:
                                               ----------
This Amendment (check only one.): [_] is a restatement.
                                  [_] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    Frontier Capital Management Co., LLC
Address: 99 Summer Street, 19th Floor
         Boston, MA 02110

13F File Number: 28-01185

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:    Mr. William J. Ballou
Title:   Chief Operating Officer & General Counsel
Phone:   (617) 261-0777

Signature, Place and Date of Signing:


/S/ William J. Ballou                     Boston, MA           November 14, 2011
--------------------------------   -------------------------   -----------------
          [Signature]                   [City, State]               [Date]

Report Type

[X]  13 F HOLDINGS REPORT

[_]  13 F NOTICE

[_]  13 F COMBINATION REPORT

I am signing this report as required by the Securities Exchange Act of 1934.

<PAGE>


SEC13F.LNS                 FRONTIER CAPITAL MANAGEMENT

                              FORM 13F SUMMARY PAGE
                              AS OF DATE: 09/30/11
                          RUN DATE: 10/03/11 1:42 P.M.

REPORT SUMMARY:

NUMBER OF OTHER INCLUDED MANAGERS:                       0

FORM 13F INFORMATION TABLE ENTRY TOTAL:                317

FORM 13F INFORMATION TABLE VALUE TOTAL:  $8,014,319,815.00

LIST OF OTHER INCLUDED MANAGERS:

NO.   13F FILE NUMBER  NAME
---   ---------------  ----

<PAGE>


<TABLE>
<CAPTION>
                                       TITLE OF             VALUE   SHARES/ SH/ INVSTMT
NAME OF ISSUER                          CLASS     CUSIP   (x$1000)  PRN AMT PRN DSCRETN   SOLE   SHARED  NONE
--------------                         -------- --------- -------- -------- --- ------- -------- ------ -------
<S>                                    <C>      <C>       <C>      <C>      <C> <C>     <C>      <C>    <C>
A. Schulman Inc.                       COM      808194104     2752   162005 SH  SOLE      102980      0   59025
A.O. Smith Corp.                       COM      831865209    24255   757264 SH  SOLE      481585      0  275679
Abbott Laboratories                    COM      002824100     3753    73380 SH  SOLE       73380      0       0
Abraxas Petroleum Corp.                COM      003830106    12080  4575640 SH  SOLE     2878150      0 1697490
Accretive Health Inc.                  COM      00438V103    21846  1029001 SH  SOLE      652760      0  376241
Actuant Corp. Cl A                     COM      00508X203     2082   105410 SH  SOLE       83609      0   21801
Adtran Inc.                            COM      00738A106    48313  1825882 SH  SOLE     1070229      0  755653
Advanced Energy Industries Inc.        COM      007973100      886   102822 SH  SOLE       81622      0   21200
Advent Software Inc.                   COM      007974108     2478   118839 SH  SOLE       73450      0   45389
Advisory Board Co.                     COM      00762W107    36913   572033 SH  SOLE      366687      0  205346
Agilent Technologies Inc.              COM      00846U101    22524   720769 SH  SOLE      483440      0  237329
Agnico-Eagle Mines Ltd.                COM      008474108     3518    59110 SH  SOLE       59110      0       0
Alaska Air Group Inc.                  COM      011659109    52568   933877 SH  SOLE      563440      0  370437
Albemarle Corp.                        COM      012653101    18124   448625 SH  SOLE      279365      0  169260
Allegheny Technologies Inc.            COM      01741R102    27837   752564 SH  SOLE      455350      0  297214
Alliance Data Systems Corp.            COM      018581108    96116  1036850 SH  SOLE      627185      0  409665
Alpha Natural Resources Inc.           COM      02076X102     3817   215794 SH  SOLE      133895      0   81899
Altera Corp.                           COM      021441100    14317   454089 SH  SOLE      281179      0  172910
Altra Holdings Inc.                    COM      02208R106     2191   189386 SH  SOLE      150231      0   39155
Amdocs Ltd.                            COM      G02602103    26726   985474 SH  SOLE      608954      0  376520
Ameresco Inc. Cl A                     COM      02361E108     8483   834910 SH  SOLE      532170      0  302740
AmerisourceBergen Corp.                COM      03073E105    17077   458190 SH  SOLE      273250      0  184940
Ametek Inc.                            COM      031100100    65863  1997670 SH  SOLE     1153577      0  844093
Anadarko Petroleum Corp.               COM      032511107     3855    61140 SH  SOLE       61140      0       0
Anaren Inc.                            COM      032744104     8701   454360 SH  SOLE      275455      0  178905
Annaly Capital Management Inc.         COM      035710409     7350   441974 SH  SOLE      273382      0  168592
Apogee Enterprises Inc.                COM      037598109     6699   779814 SH  SOLE      508534      0  271280
Apple Inc.                             COM      037833100     8962    23502 SH  SOLE       23502      0       0
Argo Group International Holdings Ltd. COM      G0464B107     3073   108323 SH  SOLE       86121      0   22202
Ariba Inc.                             COM      04033V203    94919  3425441 SH  SOLE     2131990      0 1293451
Arris Group Inc.                       COM      04269Q100    14224  1380973 SH  SOLE      854868      0  526105
Aspen Insurance Holdings Ltd.          COM      G05384105     3249   141021 SH  SOLE      111955      0   29066
ATMI Inc.                              COM      00207R101     7247   458120 SH  SOLE      234200      0  223920
Autodesk Inc.                          COM      052769106    15502   557840 SH  SOLE      334040      0  223800
Autoliv Inc.                           COM      052800109    13565   279691 SH  SOLE      174242      0  105449
Avago Technologies Ltd.                COM      Y0486S104    46795  1427970 SH  SOLE      855500      0  572470
Avid Technology Inc.                   COM      05367P100     7414   957836 SH  SOLE      592540      0  365296
Bank of the Ozarks Inc.                COM      063904106     1894    90503 SH  SOLE       71813      0   18690
BE Aerospace Inc.                      COM      073302101    63676  1923166 SH  SOLE     1197420      0  725746
Beacon Roofing Supply Inc.             COM      073685109     1908   119314 SH  SOLE       94711      0   24603
Bed Bath & Beyond Inc.                 COM      075896100    49957   871694 SH  SOLE      522250      0  349444
Belden Inc.                            COM      077454106    76893  2981508 SH  SOLE     2030607      0  950901
Beneficial Mutual Bancorp Inc.         COM      08173R104     2113   283669 SH  SOLE      225159      0   58510
BioMarin Pharmaceutical Inc.           COM      09061G101    14389   451477 SH  SOLE      279747      0  171730
</TABLE>

<PAGE>


<TABLE>
<S>                                    <C>      <C>       <C>      <C>      <C> <C>     <C>      <C>    <C>
BlackRock Inc.                         COM      09247X101     5926    40035 SH  SOLE       40035      0       0
BOK Financial Corp.                    COM      05561Q201      845    18011 SH  SOLE       14241      0    3770
Brightpoint Inc.                       COM      109473405    25490  2764650 SH  SOLE     1932574      0  832076
Cabot Corp.                            COM      127055101    12447   502285 SH  SOLE      321623      0  180662
Cabot Microelectronics Corp.           COM      12709P103     8322   241992 SH  SOLE      150309      0   91683
Cabot Oil & Gas Corp.                  COM      127097103    67409  1088825 SH  SOLE      710061      0  378764
Caliper Life Sciences Inc.             COM      130872104    19325  1845736 SH  SOLE     1161750      0  683986
CapitalSource Inc.                     COM      14055X102    29307  4773145 SH  SOLE     2965045      0 1808100
Carlisle Cos.                          COM      142339100    34184  1072265 SH  SOLE      720295      0  351970
Carrizo Oil & Gas Inc.                 COM      144577103    71804  3331179 SH  SOLE     2283613      0 1047566
Catalyst Health Solutions Inc.         COM      14888B103    60479  1048339 SH  SOLE      631388      0  416951
CBRE Group Inc                         COM      12504L109    14909  1107667 SH  SOLE      663170      0  444497
Celadon Group Inc.                     COM      150838100     1709   192490 SH  SOLE      152812      0   39678
Cerner Corp.                           COM      156782104    27006   394134 SH  SOLE      237480      0  156654
Check Point Software Technologies Ltd. COM      M22465104    35151   666235 SH  SOLE      402635      0  263600
Cheesecake Factory Inc.                COM      163072101    29143  1182275 SH  SOLE      750042      0  432233
Chicago Bridge & Iron Co. N.V.         COM      167250109    65865  2300546 SH  SOLE     1505271      0  795275
Chico's FAS Inc.                       COM      168615102   125636 10991735 SH  SOLE     7116494      0 3875241
Chimera Investment Corp.               COM      16934Q109    10134  3658531 SH  SOLE     2263341      0 1395190
Christopher & Banks Corp.              COM      171046105      859   243300 SH  SOLE      193080      0   50220
Cisco Systems Inc.                     COM      17275R102     3834   247329 SH  SOLE      247329      0       0
Citrix Systems Inc.                    COM      177376100    17158   314650 SH  SOLE      189350      0  125300
CLARCOR Inc.                           COM      179895107    30821   744821 SH  SOLE      473781      0  271040
Clean Harbors Inc.                     COM      184496107    25975   506336 SH  SOLE      313116      0  193220
Cogent Communications Group Inc.       COM      19239V302    55014  4090294 SH  SOLE     2718327      0 1371967
Columbus McKinnon Corp.                COM      199333105     1331   121455 SH  SOLE       96380      0   25075
Comfort Systems USA Inc.               COM      199908104     8858  1064714 SH  SOLE      678990      0  385724
Complete Genomics Inc.                 COM      20454K104     3541   603300 SH  SOLE      383780      0  219520
Complete Production Services Inc.      COM      20453E109    17789   943689 SH  SOLE      566720      0  376969
comScore Inc.                          COM      20564W105    25849  1532274 SH  SOLE      971298      0  560976
Comstock Resources Inc.                COM      205768203    15127   978442 SH  SOLE      641462      0  336980
Concho Resources Inc.                  COM      20605P101    73771  1036985 SH  SOLE      602805      0  434180
CONMED Corp.                           COM      207410101    50731  2204744 SH  SOLE     1491723      0  713021
Consol Energy Inc.                     COM      20854P109    12405   365619 SH  SOLE      226369      0  139250
Constant Contact Inc.                  COM      210313102    22343  1292259 SH  SOLE      875695      0  416564
Continental Resources Inc. Oklahoma    COM      212015101    57760  1194124 SH  SOLE      754949      0  439175
Cooper Cos.                            COM      216648402   160183  2023788 SH  SOLE     1296629      0  727159
Cooper Industries PLC (Cl A)           COM      G24140108    53637  1162998 SH  SOLE      710110      0  452888
Core Laboratories N.V.                 COM      N22717107    13470   149950 SH  SOLE       92690      0   57260
CRA International Inc.                 COM      12618T105     1071    53527 SH  SOLE       42445      0   11082
Crown Castle International Corp.       COM      228227104    76339  1877029 SH  SOLE     1096695      0  780334
Crown Holdings Inc.                    COM      228368106    83349  2722924 SH  SOLE     1660459      0 1062465
Cumberland Pharmaceuticals Inc.        COM      230770109     8366  1499302 SH  SOLE      954405      0  544897
Cymer Inc.                             COM      232572107    46523  1252306 SH  SOLE      791287      0  461019
Cytec Industries Inc.                  COM      232820100     1810    51509 SH  SOLE       40847      0   10662
DaVita Inc.                            COM      23918K108    53228   849340 SH  SOLE      491310      0  358030
</TABLE>

<PAGE>


<TABLE>
<S>                                    <C>      <C>       <C>      <C>      <C> <C>     <C>      <C>    <C>
DealerTrack Holdings Inc.              COM      242309102     5396   344328 SH  SOLE      212810      0  131518
Deere & Co.                            COM      244199105     2544    39400 SH  SOLE       39400      0       0
DemandTec Inc.                         COM      24802R506     9336  1427456 SH  SOLE      910270      0  517186
Denbury Resources Inc.                 COM      247916208     5239   455580 SH  SOLE      282080      0  173500
Dendreon Corp.                         COM      24823Q107     7877   875210 SH  SOLE      718250      0  156960
DexCom Inc.                            COM      252131107    59394  4949465 SH  SOLE     3100845      0 1848620
Dick's Sporting Goods Inc.             COM      253393102    22469   671530 SH  SOLE      402330      0  269200
Diebold Inc.                           COM      253651103    11730   426407 SH  SOLE      273299      0  153108
Digital River Inc.                     COM      25388B104    14467   697896 SH  SOLE      483807      0  214089
Discovery Communications Inc. (Series  COM      25470F104    32885   874124 SH  SOLE      524020      0  350104
Dollar Tree Inc.                       COM      256746108   178550  2376231 SH  SOLE     1476851      0  899380
Dril-Quip Inc.                         COM      262037104    19185   355872 SH  SOLE      220232      0  135640
DTS Inc.                               COM      23335C101    14125   568866 SH  SOLE      352356      0  216510
DXP Enterprises Inc.                   COM      233377407     2237   118815 SH  SOLE       94296      0   24519
Eagle Materials Inc.                   COM      26969P108     9922   595897 SH  SOLE      385767      0  210130
Edwards Lifesciences Corp.             COM      28176E108    15100   211837 SH  SOLE      127090      0   84747
Encore Wire Corp.                      COM      292562105     4958   240906 SH  SOLE      163899      0   77007
Equinix Inc.                           COM      29444U502    44112   496593 SH  SOLE      342253      0  154340
Everest Re Group Ltd.                  COM      G3223R108    14904   187753 SH  SOLE      116183      0   71570
FactSet Research Systems Inc.          COM      303075105      997    11203 SH  SOLE        7183      0    4020
Fairchild Semiconductor International  COM      303726103    47727  4419172 SH  SOLE     2925400      0 1493772
First Community Bancshares Inc         COM      31983A103     2411   236399 SH  SOLE      187675      0   48724
First Financial Holdings Inc.          COM      320239106      880   219548 SH  SOLE      174178      0   45370
First Horizon National Corp.           COM      320517105     1120   187970 SH  SOLE      149186      0   38784
Flextronics International Ltd.         COM      Y2573F102    13222  2348539 SH  SOLE     1454226      0  894313
Flushing Financial Corp.               COM      343873105     2743   253941 SH  SOLE      201601      0   52340
FMC Corp.                              COM      302491303    66805   965953 SH  SOLE      613289      0  352664
Foster Wheeler AG                      COM      H27178104     7648   429889 SH  SOLE      265949      0  163940
Furmanite Corp.                        COM      361086101     1132   209160 SH  SOLE      166025      0   43135
General Motors Co.                     COM      37045V100     1853    91830 SH  SOLE       91830      0       0
Gentex Corp.                           COM      371901109     7408   308007 SH  SOLE      189657      0  118350
Gilead Sciences Inc.                   COM      375558103     5822   150060 SH  SOLE      150060      0       0
Glatfelter                             COM      377316104     2265   171436 SH  SOLE      136106      0   35330
Global Payments Inc.                   COM      37940X102     6566   162566 SH  SOLE       99977      0   62589
Goodrich Corp.                         COM      382388106     9621    79724 SH  SOLE       49161      0   30563
Google Inc. Cl A                       COM      38259P508     5403    10490 SH  SOLE       10490      0       0
Green Mountain Coffee Roasters Inc.    COM      393122106    18604   200170 SH  SOLE      120170      0   80000
GT Advanced Technologies Inc.          COM      36191U106    35967  5123570 SH  SOLE     3207970      0 1915600
Hancock Holding Co.                    COM      410120109     1699    63372 SH  SOLE       50332      0   13040
Hanesbrands Inc.                       COM      410345102    39340  1572956 SH  SOLE      996800      0  576156
Hansen Natural Corp.                   COM      411310105    50928   583434 SH  SOLE      350000      0  233434
Harley-Davidson Inc.                   COM      412822108    47322  1378441 SH  SOLE      911960      0  466481
Harman International Industries Inc.   COM      413086109    41543  1453570 SH  SOLE      900300      0  553270
HCC Insurance Holdings Inc.            COM      404132102     3126   115559 SH  SOLE       91536      0   24023
Heidrick & Struggles International Inc COM      422819102     1313    79815 SH  SOLE       63355      0   16460
HHGregg Inc.                           COM      42833L108    12539  1286000 SH  SOLE      818480      0  467520
</TABLE>

<PAGE>


<TABLE>
<S>                                    <C>      <C>       <C>      <C>      <C> <C>     <C>      <C>    <C>
HMS Holdings Corp.                     COM      40425J101    10162   416645 SH  SOLE      264710      0  151935
HNI Corp.                              COM      404251100     1156    60422 SH  SOLE       47956      0   12466
Home BancShares Inc.                   COM      436893200     1537    72425 SH  SOLE       57485      0   14940
Hub Group Inc. (Cl A)                  COM      443320106    92507  3272285 SH  SOLE     2086012      0 1186273
Hubbell Inc. (Cl B)                    COM      443510201     9471   191181 SH  SOLE      118611      0   72570
Illumina Inc.                          COM      452327109    33817   826410 SH  SOLE      563802      0  262608
Ingram Micro Inc. (Cl A)               COM      457153104    16274  1008922 SH  SOLE      641740      0  367182
Insight Enterprises Inc.               COM      45765U103     9796   647060 SH  SOLE      526630      0  120430
Insperity Inc.                         COM      45778Q107    19267   865945 SH  SOLE      550760      0  315185
Insulet Corp.                          COM      45784P101    54723  3586038 SH  SOLE     2246214      0 1339824
Integrated Device Technology Inc.      COM      458118106     8926  1733233 SH  SOLE     1072263      0  660970
Inter Parfums Inc.                     COM      458334109     1474    95405 SH  SOLE       75742      0   19663
Interface Inc. Cl A                    COM      458665106     1830   154276 SH  SOLE      122679      0   31597
International Rectifier Corp.          COM      460254105    12675   680734 SH  SOLE      420944      0  259790
International Speedway Corp. (Cl A)    COM      460335201     1800    78792 SH  SOLE       62552      0   16240
InterOil Corp.                         COM      460951106    84188  1726222 SH  SOLE     1071295      0  654927
Intevac Inc.                           COM      461148108     8810  1260321 SH  SOLE      804610      0  455711
IntraLinks Holdings Inc.               COM      46118H104    15959  2125080 SH  SOLE     1352000      0  773080
Intuit Inc.                            COM      461202103    38661   814944 SH  SOLE      489361      0  325583
Intuitive Surgical Inc.                COM      46120E602    23670    64978 SH  SOLE       38857      0   26121
IRIS International Inc.                COM      46270W105     1816   202469 SH  SOLE      160652      0   41817
J.B. Hunt Transport Services Inc.      COM      445658107     4589   127040 SH  SOLE      127040      0       0
Jabil Circuit Inc.                     COM      466313103   142708  8021820 SH  SOLE     5069935      0 2951885
Jacobs Engineering Group Inc.          COM      469814107     5610   173736 SH  SOLE       98886      0   74850
JDS Uniphase Corp.                     COM      46612J507    18834  1889020 SH  SOLE     1141520      0  747500
Jefferies Group Inc.                   COM      472319102    32780  2641440 SH  SOLE     1680683      0  960757
JetBlue Airways Corp.                  COM      477143101     6238  1525190 SH  SOLE      943790      0  581400
K12 Inc.                               COM      48273U102    20448   803158 SH  SOLE      511480      0  291678
Kaman Corp.                            COM      483548103    26352   946218 SH  SOLE      648140      0  298078
Kansas City Southern                   COM      485170302    10167   203499 SH  SOLE      123739      0   79760
Kaydon Corp.                           COM      486587108     9195   320603 SH  SOLE      198462      0  122141
KiOR Inc. Cl A                         COM      497217109    28226  1360928 SH  SOLE      868020      0  492908
Kirby Corp.                            COM      497266106    10064   191185 SH  SOLE      125299      0   65886
Kohl's Corp.                           COM      500255104    11929   242956 SH  SOLE      213906      0   29050
Landstar System Inc.                   COM      515098101    59641  1507610 SH  SOLE      947983      0  559627
Lennox International Inc.              COM      526107107    17208   667486 SH  SOLE      423586      0  243900
Lexmark International Inc.             COM      529771107     1637    60547 SH  SOLE       48106      0   12441
Lions Gate Entertainment Corp.         COM      535919203    11610  1682675 SH  SOLE     1042000      0  640675
Littelfuse Inc.                        COM      537008104     1442    35866 SH  SOLE       28448      0    7418
LKQ Corp.                              COM      501889208   139458  5772256 SH  SOLE     3642398      0 2129858
Magnum Hunter Resources Corp.          COM      55973B102    12128  3664169 SH  SOLE     2330180      0 1333989
MAKO Surgical Corp.                    COM      560879108    17801   520191 SH  SOLE      326738      0  193453
MasTec Inc.                            COM      576323109    81581  4632643 SH  SOLE     3020327      0 1612316
MasterCard Inc. Cl A                   COM      57636Q104     4232    13344 SH  SOLE       13344      0       0
Maxim Integrated Products Inc.         COM      57772K101    17218   738008 SH  SOLE      457318      0  280690
McDermott International Inc.           COM      580037109    48402  4498348 SH  SOLE     2872470      0 1625878
</TABLE>

<PAGE>


<TABLE>
<S>                                    <C>      <C>       <C>      <C>      <C> <C>     <C>      <C>    <C>
Medidata Solutions Inc.                COM      58471A105    11570   703793 SH  SOLE      447080      0  256713
Mednax Inc.                            COM      58502B106   123036  1964173 SH  SOLE     1225964      0  738209
MEMC Electronic Materials Inc.         COM      552715104     6519  1244160 SH  SOLE      770670      0  473490
Meredith Corp.                         COM      589433101     1886    83289 SH  SOLE       66168      0   17121
Meritor Inc.                           COM      59001K100    40473  5732732 SH  SOLE     3907370      0 1825362
MetroPCS Communications Inc.           COM      591708102    11114  1276713 SH  SOLE      789693      0  487020
Micros Systems Inc.                    COM      594901100    34064   775413 SH  SOLE      464710      0  310703
Microsemi Corp.                        COM      595137100     9787   612452 SH  SOLE      380142      0  232310
Mine Safety Appliances Co.             COM      602720104    27317  1013250 SH  SOLE      652220      0  361030
Monolithic Power Systems Inc.          COM      609839105    28003  2750800 SH  SOLE     1985077      0  765723
Monster Worldwide Inc.                 COM      611742107    23799  3314678 SH  SOLE     2088990      0 1225688
Moody's Corp.                          COM      615369105    36083  1184990 SH  SOLE      801245      0  383745
MSC Industrial Direct Co. Cl A         COM      553530106    24452   433083 SH  SOLE      260130      0  172953
MTS Systems Corp.                      COM      553777103     2291    74779 SH  SOLE       59362      0   15417
Nanosphere Inc.                        COM      63009F105     1359  1358995 SH  SOLE      829657      0  529338
National Retail Properties Inc.        COM      637417106     2521    93832 SH  SOLE       74558      0   19274
Navigators Group Inc.                  COM      638904102     1675    38764 SH  SOLE       30764      0    8000
Navistar International Corp.           COM      63934E108    72008  2241855 SH  SOLE     1448725      0  793130
NetApp Inc.                            COM      64110D104     3939   116100 SH  SOLE      116100      0       0
Newell Rubbermaid Inc.                 COM      651229106     1762   148410 SH  SOLE      117767      0   30643
NII Holdings Inc.                      COM      62913F201    55757  2068919 SH  SOLE     1366025      0  702894
Noble Corp.                            COM      H5833N103    10448   355991 SH  SOLE      219253      0  136738
Northern Oil & Gas Inc.                COM      665531109    13665   704749 SH  SOLE      449580      0  255169
NPS Pharmaceuticals Inc.               COM      62936P103    11969  1838610 SH  SOLE     1157420      0  681190
Nu Skin Enterprises Inc. (Cl A)        COM      67018T105     9246   228190 SH  SOLE      145040      0   83150
O'Reilly Automotive Inc.               COM      67103H107    75834  1138129 SH  SOLE      658975      0  479154
Oasis Petroleum Inc.                   COM      674215108    11868   531460 SH  SOLE      338800      0  192660
On Assignment Inc.                     COM      682159108     2462   348218 SH  SOLE      276089      0   72129
ON Semiconductor Corp.                 COM      682189105    87172 12140941 SH  SOLE     7728941      0 4412000
Oracle Corp.                           COM      68389X105     5492   191100 SH  SOLE      191100      0       0
Orbital Sciences Corp.                 COM      685564106    12486   975496 SH  SOLE      627858      0  347638
OSI Systems Inc.                       COM      671044105     7088   211457 SH  SOLE      141132      0   70325
P.F. Chang's China Bistro Inc.         COM      69333Y108    13389   491537 SH  SOLE      313662      0  177875
Packaging Corp. of America             COM      695156109     9411   403892 SH  SOLE      250252      0  153640
Pall Corp.                             COM      696429307    62260  1468390 SH  SOLE      909355      0  559035
Pantry Inc.                            COM      698657103     1191    98190 SH  SOLE       78025      0   20165
PEACE MARK HLDGS                       COM      643377906        0   464000 SH  SOLE      464000      0       0
Pentair Inc.                           COM      709631105     3933   122855 SH  SOLE       76975      0   45880
Pericom Semiconductor Corp.            COM      713831105     2161   291622 SH  SOLE      231717      0   59905
Perrigo Co.                            COM      714290103    51196   527191 SH  SOLE      319038      0  208153
Pfizer Inc.                            COM      717081103     3957   223810 SH  SOLE      223810      0       0
Piedmont Natural Gas Co.               COM      720186105     2123    73478 SH  SOLE       58432      0   15046
Pinnacle Financial Partners Inc.       COM      72346Q104     1502   137280 SH  SOLE      109013      0   28267
PMC-Sierra Inc.                        COM      69344F106     7266  1215097 SH  SOLE      751607      0  463490
Portland General Electric Co.          COM      736508847     3167   133689 SH  SOLE      106336      0   27353
Power Integrations Inc.                COM      739276103     2055    67142 SH  SOLE       41870      0   25272
</TABLE>

<PAGE>


<TABLE>
<S>                                    <C>      <C>       <C>      <C>      <C> <C>     <C>      <C>    <C>
Premiere Global Services Inc.          COM      740585104    31425  4894905 SH  SOLE     3082040      0 1812865
Qiagen N.V.                            COM      N72482107     9057   654850 SH  SOLE      408030      0  246820
Quanta Services Inc.                   COM      74762E102    81264  4324847 SH  SOLE     2674087      0 1650760
QuinStreet Inc.                        COM      74874Q100    46954  4536600 SH  SOLE     2871640      0 1664960
Radware Ltd.                           COM      M81873107    11675   540741 SH  SOLE      336200      0  204541
RailAmerica Inc.                       COM      750753402     2505   192228 SH  SOLE      152474      0   39754
Raymond James Financial Inc.           COM      754730109   138672  5341741 SH  SOLE     3344987      0 1996754
Renasant Corp.                         COM      75970E107     2075   162999 SH  SOLE      129388      0   33611
Republic Services Inc.                 COM      760759100    13113   467327 SH  SOLE      289886      0  177441
Rex Energy Corp.                       COM      761565100    49318  3898624 SH  SOLE     2821594      0 1077030
RF Micro Devices Inc.                  COM      749941100    91611 14449664 SH  SOLE     9144200      0 5305464
RightNow Technologies Inc.             COM      76657R106    32440   981531 SH  SOLE      624371      0  357160
Ritchie Bros. Auctioneers Inc.         COM      767744105     5325   263739 SH  SOLE      163251      0  100488
Riverbed Technology Inc.               COM      768573107     1231    61658 SH  SOLE       38030      0   23628
Rogers Corp.                           COM      775133101    53360  1363649 SH  SOLE      848139      0  515510
Rovi Corp.                             COM      779376102    89962  2093124 SH  SOLE     1340699      0  752425
RSC Holdings Inc.                      COM      74972L102    15846  2222498 SH  SOLE     1409000      0  813498
RTI International Metals Inc.          COM      74973W107    18897   810319 SH  SOLE      518066      0  292253
Rue21 Inc.                             COM      781295100    11606   511510 SH  SOLE      326010      0  185500
Saia Inc.                              COM      78709Y105     1699   161522 SH  SOLE      128306      0   33216
Sanmina-SCI Corp.                      COM      800907206    14353  2148670 SH  SOLE     1370310      0  778360
SBA Communications Corp.               COM      78388J106    34367   996721 SH  SOLE      768030      0  228691
Select Comfort Corp.                   COM      81616X103    16520  1182502 SH  SOLE      750840      0  431662
Selective Insurance Group Inc.         COM      816300107     1664   127482 SH  SOLE      101182      0   26300
Semtech Corp.                          COM      816850101    19375   918224 SH  SOLE      580460      0  337764
Shire PLC ADS                          COM      82481R106    68167   725720 SH  SOLE      429790      0  295930
Silicon Laboratories Inc.              COM      826919102     8089   241160 SH  SOLE      149100      0   92060
Skyworks Solutions Inc.                COM      83088M102    39934  2223496 SH  SOLE     1350420      0  873076
SM Energy Co.                          COM      78454L100    34343   566255 SH  SOLE      367825      0  198430
Smithfield Foods Inc.                  COM      832248108     7156   366955 SH  SOLE      227615      0  139340
Snap-On Inc.                           COM      833034101     2320    52256 SH  SOLE       41361      0   10895
Sotheby's                              COM      835898107     3578   129780 SH  SOLE       80350      0   49430
Southwest Gas Corp.                    COM      844895102     1718    47496 SH  SOLE       37601      0    9895
Spirit Airlines Inc.                   COM      848577102      106     8463 SH  SOLE        5010      0    3453
Starbucks Corp.                        COM      855244109    53506  1434856 SH  SOLE      857890      0  576966
Starwood Hotels & Resorts Worldwide In COM      85590A401    31261   805284 SH  SOLE      481840      0  323444
Superior Energy Services Inc.          COM      868157108    24905   949138 SH  SOLE      569510      0  379628
SXC Health Solutions Corp.             COM      78505P100    21097   378760 SH  SOLE      225260      0  153500
Synaptics Inc.                         COM      87157D109     7009   293248 SH  SOLE      181350      0  111898
Syneron Medical Ltd.                   COM      M87245102    15170  1530738 SH  SOLE      949408      0  581330
Synovis Life Technologies Inc.         COM      87162G105     1523    91202 SH  SOLE       72327      0   18875
T. Rowe Price Group Inc.               COM      74144T108    24711   517291 SH  SOLE      310260      0  207031
TASER International Inc.               COM      87651B104     6698  1554027 SH  SOLE      962496      0  591531
TD Ameritrade Holding Corp.            COM      87236Y108    17968  1221905 SH  SOLE      821295      0  400610
Tech Data Corp.                        COM      878237106    16096   372338 SH  SOLE      236878      0  135460
Tenneco Inc.                           COM      880349105    18483   721715 SH  SOLE      432440      0  289275
</TABLE>

<PAGE>


<TABLE>
<S>                                    <C>      <C>       <C>      <C>      <C> <C>     <C>      <C>    <C>
Teradata Corp.                         COM      88076W103    34392   642488 SH  SOLE      384990      0  257498
Tessera Technologies Inc.              COM      88164L100    30838  2582735 SH  SOLE     1644670      0  938065
Tetra Tech Inc.                        COM      88162G103    26118  1393728 SH  SOLE      882910      0  510818
Teva Pharmaceutical Industries Ltd. AD COM      881624209     5761   154770 SH  SOLE      154770      0       0
Texas Capital Bancshares Inc.          COM      88224Q107     3242   141876 SH  SOLE      112706      0   29170
Thomas & Betts Corp.                   COM      884315102     3924    98315 SH  SOLE       60835      0   37480
Thor Industries Inc.                   COM      885160101      976    44083 SH  SOLE       34983      0    9100
Thoratec Corp.                         COM      885175307    37913  1161550 SH  SOLE      766680      0  394870
Tiffany & Co.                          COM      886547108    23997   394563 SH  SOLE      237990      0  156573
TiVo Inc.                              COM      888706108    16453  1761576 SH  SOLE     1089086      0  672490
TJX Cos.                               COM      872540109     6617   119290 SH  SOLE      119290      0       0
Tractor Supply Co.                     COM      892356106    47673   762396 SH  SOLE      469965      0  292431
Trex Co. Inc.                          COM      89531P105     3694   230420 SH  SOLE      142660      0   87760
TriQuint Semiconductor Inc.            COM      89674K103     5747  1144917 SH  SOLE      709560      0  435357
Ultratech Inc.                         COM      904034105    11325   660350 SH  SOLE      408650      0  251700
United Continental Holdings Inc.       COM      910047109    60967  3145890 SH  SOLE     1927390      0 1218500
United Parcel Service Inc. (Cl B)      COM      911312106     7084   112180 SH  SOLE      112180      0       0
United Therapeutics Corp.              COM      91307C102    24680   658300 SH  SOLE      447930      0  210370
Unitil Corp.                           COM      913259107     2209    86038 SH  SOLE       68268      0   17770
UTi Worldwide Inc.                     COM      G87210103    62104  4762539 SH  SOLE     3166134      0 1596405
VCA Antech Inc.                        COM      918194101     5475   342590 SH  SOLE      211890      0  130700
Veeco Instruments Inc.                 COM      922417100    16896   692440 SH  SOLE      440420      0  252020
VeriFone Systems Inc.                  COM      92342Y109    60240  1720167 SH  SOLE     1093445      0  626722
Verint Systems Inc.                    COM      92343X100    14402   547804 SH  SOLE      348661      0  199143
VeriSign Inc.                          COM      92343E102     6169   215610 SH  SOLE      133410      0   82200
Virtusa Corp                           COM      92827P102    26115  1978379 SH  SOLE     1265791      0  712588
W.R. Berkley Corp.                     COM      084423102    55748  1877657 SH  SOLE     1182217      0  695440
Wabash National Corp.                  COM      929566107    14933  3130530 SH  SOLE     1937040      0 1193490
WABCO Holdings Inc.                    COM      92927K102    55786  1473474 SH  SOLE      934206      0  539268
Waddell & Reed Financial Inc. (Cl A)   COM      930059100    51540  2060758 SH  SOLE     1306288      0  754470
Warnaco Group Inc.                     COM      934390402    22565   489575 SH  SOLE      294630      0  194945
Waste Connections Inc.                 COM      941053100   100930  2984334 SH  SOLE     1830911      0 1153423
Watsco Inc.                            COM      942622200    66469  1300759 SH  SOLE      819781      0  480978
Watson Pharmaceuticals Inc.            COM      942683103   158580  2323523 SH  SOLE     1422260      0  901263
Web.com Group Inc.                     COM      94733A104     6915   990715 SH  SOLE      630250      0  360465
Wesco International Inc.               COM      95082P105    42546  1268131 SH  SOLE      796212      0  471919
Westar Energy Inc.                     COM      95709T100     3757   142190 SH  SOLE      113025      0   29165
Western Digital Corp.                  COM      958102105    14939   580824 SH  SOLE      359524      0  221300
Willis Group Holdings PLC              COM      G96666105    13429   390733 SH  SOLE      241803      0  148930
WMS Industries Inc.                    COM      929297109    17249   980627 SH  SOLE      618897      0  361730
World Fuel Services Corp.              COM      981475106    78707  2410643 SH  SOLE     1523641      0  887002
WSFS Financial Corp.                   COM      929328102     2342    74182 SH  SOLE       58846      0   15336
ZAGG Inc.                              COM      98884U108     2385   240403 SH  SOLE      148440      0   91963


Line count: 317
</TABLE>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>