0001193125-11-129483.txt : 20110506 0001193125-11-129483.hdr.sgml : 20110506 20110506060859 ACCESSION NUMBER: 0001193125-11-129483 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110331 FILED AS OF DATE: 20110506 DATE AS OF CHANGE: 20110506 EFFECTIVENESS DATE: 20110506 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: 11816577 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 13F-HR 1 d13fhr.txt 13F-HR UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 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 May 06, 2011 ------------------------ ------------------- -------------- [Signature] [City, State] [Date] Report Type [X] 13F HOLDINGS REPORT [_] 13F NOTICE [_] 13F COMBINATION REPORT I am signing this report as required by the Securities Exchange Act of 1934. SEC13F.LNS FRONTIER CAPITAL MANAGEMENT FORM 13F SUMMARY PAGE AS OF DATE: 03/31/11 RUN DATE: 03/31/11 12:29 P.M. REPORT SUMMARY: NUMBER OF OTHER INCLUDED MANAGERS: 0 FORM 13F INFORMATION TABLE ENTRY TOTAL: 321 FORM 13F INFORMATION TABLE VALUE TOTAL: $10,576,412,768.00 LIST OF OTHER INCLUDED MANAGERS: NO. 13F FILE NUMBER NAME

TITLE OF VALUE SHARES/ SH/ INVSTMT NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN DSCRETN SOLE SHARED NONE -------------- -------- --------- -------- ------- --- ------- ------- ------ ------- A. Schulman Inc. COM 808194104 4677 189205 SH SOLE 129580 0 59625 A.O. Smith Corp. COM 831865209 28179 635524 SH SOLE 421545 0 213979 Abbott Laboratories COM 002824100 3208 65400 SH SOLE 65400 0 0 Abraxas Petroleum Corp. COM 003830106 19425 3326250 SH SOLE 2158650 0 1167600 Accretive Health Inc. COM 00438V103 35045 1262424 SH SOLE 833700 0 428724 Actuant Corp. (Cl A) COM 00508X203 2601 89697 SH SOLE 69176 0 20521 Adtran Inc. COM 00738A106 56416 1328682 SH SOLE 799429 0 529253 Advanced Analogic Technologies Inc. COM 00752J108 8530 2256596 SH SOLE 1501062 0 755534 Advisory Board Co. COM 00762W107 30148 585393 SH SOLE 391887 0 193506 Agilent Technologies Inc. COM 00846U101 53045 1184579 SH SOLE 748050 0 436529 Alaska Air Group Inc. COM 011659109 46506 733307 SH SOLE 441270 0 292037 Albany International Corp. (Cl A) COM 012348108 4805 192984 SH SOLE 121304 0 71680 Albemarle Corp. COM 012653101 54576 913105 SH SOLE 589775 0 323330 Allegheny Technologies Inc. COM 01741R102 31147 459934 SH SOLE 273120 0 186814 Alliance Data Systems Corp. COM 018581108 93785 1091925 SH SOLE 711880 0 380045 Allied World Assurance Company Holding COM H01531104 2543 40566 SH SOLE 31610 0 8956 Altera Corp. COM 021441100 20628 468599 SH SOLE 294489 0 174110 Altra Holdings Inc. COM 02208R106 3802 160982 SH SOLE 124067 0 36915 Amdocs Ltd. COM G02602103 35617 1234564 SH SOLE 776244 0 458320 Ameresco Inc. Cl A COM 02361E108 12988 918519 SH SOLE 608690 0 309829 American Medical Systems Holdings Inc. COM 02744M108 5656 261371 SH SOLE 172871 0 88500 AmerisourceBergen Corp. COM 03073E105 59 1500 SH SOLE 1500 0 0 Ametek Inc. COM 031100100 91747 2091340 SH SOLE 1172797 0 918543 Amphenol Corp. (Cl A) COM 032095101 51328 943700 SH SOLE 565235 0 378465 Anadarko Petroleum Corp. COM 032511107 4459 54430 SH SOLE 54430 0 0 Analog Devices Inc. COM 032654105 27976 710399 SH SOLE 422515 0 287884 Anaren Inc. COM 032744104 11178 556108 SH SOLE 368473 0 187635 Annaly Capital Management Inc. COM 035710409 24703 1415644 SH SOLE 889302 0 526342 Apple Inc. COM 037833100 6371 18282 SH SOLE 18282 0 0 Argo Group International Holdings Ltd. COM G0464B107 3000 90800 SH SOLE 70078 0 20722 Ariba Inc. COM 04033V203 125511 3676351 SH SOLE 2360000 0 1316351 Arris Group Inc. COM 04269Q100 10940 858683 SH SOLE 542278 0 316405 Aspen Insurance Holdings Ltd. COM G05384105 2224 80694 SH SOLE 62098 0 18596 ATMI Inc. COM 00207R101 11474 607400 SH SOLE 381880 0 225520 Autoliv Inc. COM 052800109 48440 652563 SH SOLE 398932 0 253631 Avid Technology Inc. COM 05367P100 22972 1030134 SH SOLE 653008 0 377126 Bank of the Ozarks Inc. COM 063904106 2755 63025 SH SOLE 48540 0 14485 BE Aerospace Inc. COM 073302101 90817 2556078 SH SOLE 1592752 0 963326 Beacon Roofing Supply Inc. COM 073685109 1923 93959 SH SOLE 72436 0 21523 Bed Bath & Beyond Inc. COM 075896100 40812 845494 SH SOLE 489650 0 355844 Belden Inc. COM 077454106 101690 2708135 SH SOLE 1900917 0 807218 Beneficial Mutual Bancorp Inc. COM 08173R104 2073 240508 SH SOLE 185308 0 55200 BioMarin Pharmaceutical Inc. COM 09061G101 11712 466047 SH SOLE 293117 0 172930 Blackrock Inc. COM 09247X101 6254 31115 SH SOLE 31115 0 0 BOK Financial Corp. COM 05561Q201 1909 36944 SH SOLE 28504 0 8440 Brady Corp. (Cl A) COM 104674106 42793 1199024 SH SOLE 799280 0 399744 Brightpoint Inc. COM 109473405 37841 3490084 SH SOLE 2434988 0 1055096 Cabot Corp. COM 127055101 59591 1287342 SH SOLE 835078 0 452264 Cabot Microelectronics Corp. COM 12709P103 17288 330879 SH SOLE 207929 0 122950 Cabot Oil & Gas Corp. COM 127097103 54356 1026165 SH SOLE 668901 0 357264 CapitalSource Inc. COM 14055X102 34324 4875615 SH SOLE 3066615 0 1809000 Carlisle Cos. COM 142339100 65164 1462713 SH SOLE 1068153 0 394560 Carrizo Oil & Gas Inc. COM 144577103 109508 2965287 SH SOLE 2123141 0 842146 Catalyst Health Solutions Inc. COM 14888B103 53745 960939 SH SOLE 583788 0 377151 CB Richard Ellis Group Inc. (Cl A) COM 12497T101 66451 2488797 SH SOLE 1478900 0 1009897

TITLE OF VALUE SHARES/ SH/ INVSTMT NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN DSCRETN SOLE SHARED NONE -------------- -------- --------- -------- -------- --- ------- ------- ------ ------- Celadon Group Inc. COM 150838100 2627 161775 SH SOLE 124737 0 37038 Cerner Corp. COM 156782104 18253 164147 SH SOLE 97370 0 66777 Check Point Software Technologies Ltd. COM M22465104 29894 585575 SH SOLE 344975 0 240600 Cheesecake Factory Inc. COM 163072101 36594 1216155 SH SOLE 801582 0 414573 Chicago Bridge & Iron Co. N.V. COM 167250109 135429 3330771 SH SOLE 2176926 0 1153845 Chico's FAS Inc. COM 168615102 160049 10748767 SH SOLE 7335966 0 3412801 Chimera Investment Corp. COM 16934Q109 11476 2898081 SH SOLE 1822991 0 1075090 Christopher & Banks Corp. COM 171046105 1312 202461 SH SOLE 155861 0 46600 Ciena Corp. COM 171779309 7059 272128 SH SOLE 172068 0 100060 Cisco Systems Inc. COM 17275R102 3789 220939 SH SOLE 220939 0 0 CLARCOR Inc. COM 179895107 34287 763111 SH SOLE 506311 0 256800 Clean Harbors Inc. COM 184496107 25825 261753 SH SOLE 164493 0 97260 CNH Global N.V. COM N20935206 28997 597255 SH SOLE 354730 0 242525 Cogent Communications Group Inc. COM 19239V302 61093 4287194 SH SOLE 2933757 0 1353437 Cognex Corp. COM 192422103 11583 410010 SH SOLE 258770 0 151240 Cognizant Technology Solutions Corp. COM 192446102 34466 423419 SH SOLE 236180 0 187239 Colfax Corp COM 194014106 2106 91746 SH SOLE 70822 0 20924 Columbus McKinnon Corp. COM 199333105 1900 102907 SH SOLE 79422 0 23485 Comfort Systems USA Inc. COM 199908104 19108 1358073 SH SOLE 901350 0 456723 comScore Inc. COM 20564W105 33248 1127034 SH SOLE 737158 0 389876 Comstock Resources Inc. COM 205768203 14611 472245 SH SOLE 322045 0 150200 Concho Resources Inc. COM 20605P101 103837 967725 SH SOLE 564345 0 403380 CONMED Corp. COM 207410101 59987 2282629 SH SOLE 1594228 0 688401 Consol Energy Inc. COM 20854P109 48530 904911 SH SOLE 550931 0 353980 Constant Contact Inc. COM 210313102 50683 1452247 SH SOLE 992473 0 459774 Continental Resources Inc. Oklahoma COM 212015101 74097 1036753 SH SOLE 624778 0 411975 Cooper Cos. COM 216648402 151851 2186480 SH SOLE 1411691 0 774789 Cooper Industries PLC (Cl A) COM G24140108 73150 1127118 SH SOLE 676690 0 450428 Core Laboratories N.V. COM N22717107 22004 215362 SH SOLE 136018 0 79344 CRA International Inc. COM 12618T105 1091 37850 SH SOLE 29298 0 8552 Crown Castle International Corp. COM 228227104 40388 949189 SH SOLE 562355 0 386834 Crown Holdings Inc. COM 228368106 105403 2732074 SH SOLE 1682809 0 1049265 Cumberland Pharmaceuticals Inc. COM 230770109 7443 1345882 SH SOLE 888365 0 457517 Cymer Inc. COM 232572107 67386 1190992 SH SOLE 804887 0 386105 Cytec Industries Inc. COM 232820100 982 18064 SH SOLE 13822 0 4242 DaVita Inc. COM 23918K108 45960 537480 SH SOLE 318050 0 219430 DealerTrack Holdings Inc. COM 242309102 8159 355958 SH SOLE 223540 0 132418 Deere & Co. COM 244199105 3371 34790 SH SOLE 34790 0 0 DemandTec Inc. COM 24802R506 10953 832260 SH SOLE 550960 0 281300 Denbury Resources Inc. COM 247916208 13930 570910 SH SOLE 358810 0 212100 DexCom Inc. COM 252131107 81860 5274485 SH SOLE 3394085 0 1880400 Diebold Inc. COM 253651103 15261 430365 SH SOLE 276897 0 153468 Discovery Communications Inc. (Series COM 25470F104 57173 1432914 SH SOLE 815410 0 617504 Dollar Tree Inc. COM 256746108 130672 2353601 SH SOLE 1503931 0 849670 Dril-Quip Inc. COM 262037104 41435 524292 SH SOLE 361352 0 162940 DTS Inc. COM 23335C101 22290 478016 SH SOLE 300506 0 177510 DXP Enterprises Inc. COM 233377407 2382 103203 SH SOLE 79608 0 23595 Eagle Materials Inc. COM 26969P108 31444 1039115 SH SOLE 676815 0 362300 Edwards Lifesciences Corp. COM 28176E108 26172 300827 SH SOLE 179480 0 121347 Encore Wire Corp. COM 292562105 1408 57867 SH SOLE 44567 0 13300 Equinix Inc. COM 29444U502 44492 488383 SH SOLE 383833 0 104550 Everest Re Group Ltd. COM G3223R108 17123 194183 SH SOLE 122113 0 72070 FactSet Research Systems Inc. COM 303075105 15503 148033 SH SOLE 98283 0 49750 Fairchild Semiconductor International COM 303726103 18460 1014286 SH SOLE 665586 0 348700 First Community Bancshares Inc. (Nevad COM 31983A103 2085 147036 SH SOLE 113642 0 33394 First Financial Holdings Inc. COM 320239106 2098 185520 SH SOLE 143020 0 42500 First Horizon National Corp. COM 320517105 1794 160026 SH SOLE 123282 0 36744

TITLE OF VALUE SHARES/ SH/ INVSTMT NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN DSCRETN SOLE SHARED NONE -------------- -------- --------- -------- ------- --- ------- ------- ------ ------- Flextronics International Ltd. COM Y2573F102 18130 2427079 SH SOLE 1526366 0 900713 Fluor Corp. COM 343412102 9863 133901 SH SOLE 84201 0 49700 Flushing Financial Corp. COM 343873105 2256 151420 SH SOLE 116720 0 34700 FMC Corp. COM 302491303 43517 512383 SH SOLE 316039 0 196344 Fortinet Inc. COM 34959E109 20866 472620 SH SOLE 312810 0 159810 Foster Wheeler AG COM H27178104 43375 1152973 SH SOLE 701449 0 451524 Furmanite Corp. COM 361086101 1080 134953 SH SOLE 103938 0 31015 General Motors Co. COM 37045V100 2540 81870 SH SOLE 81870 0 0 Gentex Corp. COM 371901109 9627 318237 SH SOLE 198987 0 119250 GFI Group Inc. COM 361652209 6440 1282898 SH SOLE 853281 0 429617 Gilead Sciences Inc. COM 375558103 5707 134370 SH SOLE 134370 0 0 Glatfelter COM 377316104 1928 144748 SH SOLE 111748 0 33000 Global Payments Inc. COM 37940X102 8240 168436 SH SOLE 105347 0 63089 Goodrich Corp. COM 382388106 17785 207944 SH SOLE 130681 0 77263 Google Inc. (Cl A) COM 38259P508 5750 9800 SH SOLE 9800 0 0 Hancock Holding Co. COM 410120109 1568 47756 SH SOLE 36656 0 11100 Hansen Natural Corp. COM 411310105 61534 1021654 SH SOLE 603620 0 418034 Harley-Davidson Inc. COM 412822108 42126 991441 SH SOLE 565240 0 426201 Harman International Industries Inc. COM 413086109 162656 3474074 SH SOLE 2307795 0 1166279 HCC Insurance Holdings Inc. COM 404132102 3070 98048 SH SOLE 75415 0 22633 Hecla Mining Co. COM 422704106 8266 910358 SH SOLE 577388 0 332970 Heidrick & Struggles International Inc COM 422819102 1743 62640 SH SOLE 48140 0 14500 Hewlett-Packard Co. COM 428236103 6229 152050 SH SOLE 152050 0 0 HHGregg Inc. COM 42833L108 15812 1180900 SH SOLE 783000 0 397900 HMS Holdings Corp. COM 40425J101 18803 229725 SH SOLE 151730 0 77995 HNI Corp. COM 404251100 1161 36783 SH SOLE 28347 0 8436 Home BancShares Inc. COM 436893200 929 40841 SH SOLE 31541 0 9300 Hospira Inc. COM 441060100 36649 663930 SH SOLE 393410 0 270520 Hub Group Inc. (Cl A) COM 443320106 121283 3351295 SH SOLE 2177952 0 1173343 Hubbell Inc. (Cl B) COM 443510201 14006 197181 SH SOLE 124111 0 73070 iGATE Corp. COM 45169U105 3337 177758 SH SOLE 117686 0 60072 IHS Inc. Cl A COM 451734107 55492 625263 SH SOLE 368540 0 256723 Illumina Inc. COM 452327109 57408 819300 SH SOLE 552672 0 266628 Ingersoll-Rand Plc COM G47791101 56542 1170396 SH SOLE 695310 0 475086 Ingram Micro Inc. (Cl A) COM 457153104 27966 1329792 SH SOLE 880530 0 449262 Insight Enterprises Inc. COM 45765U103 11570 679376 SH SOLE 556516 0 122860 Insperity Inc. COM 45778Q107 26981 888115 SH SOLE 589500 0 298615 Insulet Corp. COM 45784P101 73442 3561708 SH SOLE 2287874 0 1273834 Integrated Device Technology Inc. COM 458118106 22884 3102973 SH SOLE 1993898 0 1109075 Inter Parfums Inc. COM 458334109 2749 148530 SH SOLE 114452 0 34078 Interface Inc. (Cl A) COM 458665106 2427 131268 SH SOLE 101091 0 30177 International Rectifier Corp. COM 460254105 23238 702894 SH SOLE 441304 0 261590 International Speedway Corp. (Cl A) COM 460335201 1267 42510 SH SOLE 32810 0 9700 InterOil Corp. COM 460951106 104851 1404752 SH SOLE 865355 0 539397 Intevac Inc. COM 461148108 14915 1201831 SH SOLE 796420 0 405411 Intuit Inc. COM 461202103 38829 731113 SH SOLE 434430 0 296683 IRIS International Inc. COM 46270W105 916 101607 SH SOLE 78307 0 23300 J.B. Hunt Transport Services Inc. COM 445658107 5158 113570 SH SOLE 113570 0 0 Jabil Circuit Inc. COM 466313103 167354 8191595 SH SOLE 5322660 0 2868935 Jacobs Engineering Group Inc. COM 469814107 10436 202926 SH SOLE 127476 0 75450 Jefferies Group Inc. COM 472319102 54020 2166010 SH SOLE 1434003 0 732007 JetBlue Airways Corp. COM 477143101 8865 1413910 SH SOLE 888810 0 525100 Johnson Controls Inc. COM 478366107 4782 115040 SH SOLE 115040 0 0 Juniper Networks Inc. COM 48203R104 40218 955754 SH SOLE 568520 0 387234 K12 Inc. COM 48273U102 12881 382218 SH SOLE 253170 0 129048 Kaman Corp. COM 483548103 19619 557353 SH SOLE 398000 0 159353 Kansas City Southern COM 485170302 11443 210159 SH SOLE 129799 0 80360

TITLE OF VALUE SHARES/ SH/ INVSTMT NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN DSCRETN SOLE SHARED NONE -------------- -------- --------- -------- -------- --- ------- ------- ------ ------- Kaydon Corp. COM 486587108 12972 331013 SH SOLE 208072 0 122941 Kirby Corp. COM 497266106 10760 187809 SH SOLE 122263 0 65546 Kohl's Corp. COM 500255104 13403 252696 SH SOLE 222396 0 30300 Landstar System Inc. COM 515098101 69787 1527740 SH SOLE 1010063 0 517677 Lennox International Inc. COM 526107107 39110 743816 SH SOLE 413370 0 330446 Lexmark International Inc. COM 529771107 1517 40967 SH SOLE 31766 0 9201 Littelfuse Inc. COM 537008104 2765 48419 SH SOLE 37341 0 11078 LKQ Corp. COM 501889208 121287 5032636 SH SOLE 3100498 0 1932138 LoopNet Inc. COM 543524300 21180 1496846 SH SOLE 995229 0 501617 Magnum Hunter Resources Corp. COM 55973B102 24845 2899090 SH SOLE 1919890 0 979200 MAKO Surgical Corp. COM 560879108 39951 1656331 SH SOLE 1066948 0 589383 Manhattan Associates Inc. COM 562750109 11671 356473 SH SOLE 224733 0 131740 Massey Energy Co. COM 576206106 14860 217372 SH SOLE 136980 0 80392 MasTec Inc. COM 576323109 106448 5117693 SH SOLE 3521997 0 1595696 MasterCard Inc. (Cl A) COM 57636Q104 4149 16484 SH SOLE 16484 0 0 Materion Corp. COM 576690101 6109 149734 SH SOLE 93950 0 55784 Maxim Integrated Products Inc. COM 57772K101 19517 762378 SH SOLE 479588 0 282790 McDermott International Inc. COM 580037109 29886 1177088 SH SOLE 699670 0 477418 Medidata Solutions Inc. COM 58471A105 13718 536498 SH SOLE 354400 0 182098 Mednax Inc. COM 58502B106 147381 2212598 SH SOLE 1417764 0 794834 MEMC Electronic Materials Inc. COM 552715104 9521 734620 SH SOLE 461530 0 273090 Meredith Corp. COM 589433101 2400 70754 SH SOLE 54593 0 16161 Meritor Inc. COM 59001K100 76034 4480510 SH SOLE 3138410 0 1342100 MetroPCS Communications Inc. COM 591708102 20815 1281713 SH SOLE 805193 0 476520 Microsemi Corp. COM 595137100 13112 633122 SH SOLE 399112 0 234010 Mine Safety Appliances Co. COM 602720104 32087 875021 SH SOLE 580171 0 294850 Monolithic Power Systems Inc. COM 609839105 38946 2744590 SH SOLE 1993417 0 751173 Monster Worldwide Inc. COM 611742107 47736 3002278 SH SOLE 1954940 0 1047338 Moody's Corp. COM 615369105 70766 2086875 SH SOLE 1304620 0 782255 Motricity Inc. COM 620107102 41559 2765094 SH SOLE 1791950 0 973144 MSC Industrial Direct Co. (Cl A) COM 553530106 29648 433003 SH SOLE 257450 0 175553 MTS Systems Corp. COM 553777103 2587 56792 SH SOLE 43725 0 13067 Nanosphere Inc. COM 63009F105 4524 1391875 SH SOLE 862337 0 529538 National Retail Properties Inc. COM 637417106 2076 79468 SH SOLE 61164 0 18304 National Semiconductor Corp. COM 637640103 8591 599110 SH SOLE 379808 0 219302 Navistar International Corp. COM 63934E108 134427 1938941 SH SOLE 1280821 0 658120 Neenah Paper Inc. COM 640079109 9522 433424 SH SOLE 277559 0 155865 Ness Technologies Inc. COM 64104X108 10021 1565805 SH SOLE 1019138 0 546667 NetApp Inc. COM 64110D104 33328 692204 SH SOLE 412820 0 279384 Newell Rubbermaid Inc. COM 651229106 873 45624 SH SOLE 35121 0 10503 NII Holdings Inc. COM 62913F201 89211 2140904 SH SOLE 1392830 0 748074 Noble Corp. COM H5833N103 16781 367841 SH SOLE 230103 0 137738 Northern Oil & Gas Inc. COM 665531109 20452 765999 SH SOLE 507060 0 258939 Nu Skin Enterprises Inc. (Cl A) COM 67018T105 6709 233350 SH SOLE 154420 0 78930 O'Reilly Automotive Inc. COM 67103H107 37952 660499 SH SOLE 392745 0 267754 Oasis Petroleum Inc. COM 674215108 14329 453160 SH SOLE 300060 0 153100 On Assignment Inc. COM 682159108 2783 294198 SH SOLE 226629 0 67569 ON Semiconductor Corp. COM 682189105 123425 12517701 SH SOLE 8113861 0 4403840 Oracle Corp. COM 68389X105 5169 154600 SH SOLE 154600 0 0 Orbital Sciences Corp. COM 685564106 35677 1885654 SH SOLE 1427926 0 457728 OSI Systems Inc. COM 671044105 6789 180896 SH SOLE 116891 0 64005 P.F. Chang's China Bistro Inc. COM 69333Y108 13751 297702 SH SOLE 197392 0 100310 Packaging Corp. of America COM 695156109 12064 417592 SH SOLE 262852 0 154740 Pall Corp. COM 696429307 139755 2425880 SH SOLE 1498855 0 927025 Pantry Inc. COM 698657103 695 46862 SH SOLE 36064 0 10798 PEACE MARK HLDGS COM 643377906 0 464000 SH SOLE 464000 0 0 Penson Worldwide Inc. COM 709600100 5966 889170 SH SOLE 576770 0 312400

TITLE OF VALUE SHARES/ SH/ INVSTMT NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN DSCRETN SOLE SHARED NONE -------------- -------- --------- -------- -------- --- ------- -------- ------ ------- Pentair Inc. COM 709631105 4809 127255 SH SOLE 80975 0 46280 Pericom Semiconductor Corp. COM 713831105 2440 235311 SH SOLE 181271 0 54040 Perrigo Co. COM 714290103 42062 528951 SH SOLE 320398 0 208553 Pharmaceutical Product Development Inc COM 717124101 8740 315530 SH SOLE 198470 0 117060 Piedmont Natural Gas Co. COM 720186105 1887 62165 SH SOLE 47779 0 14386 Pinnacle Financial Partners Inc. COM 72346Q104 1922 116180 SH SOLE 89613 0 26567 PMC-Sierra Inc. COM 69344F106 9428 1255407 SH SOLE 788617 0 466790 Portland General Electric Co. COM 736508847 2696 113439 SH SOLE 87286 0 26153 Power Integrations Inc. COM 739276103 2632 68662 SH SOLE 43190 0 25472 Premiere Global Services Inc. COM 740585104 38360 5034162 SH SOLE 3267287 0 1766875 PSS World Medical Inc. COM 69366A100 8172 301429 SH SOLE 199329 0 102100 Qiagen N.V. COM N72482107 13419 669260 SH SOLE 420740 0 248520 QLogic Corp. COM 747277101 23517 1267757 SH SOLE 839470 0 428287 Quanta Services Inc. COM 74762E102 49954 2227087 SH SOLE 1454387 0 772700 QuinStreet Inc. COM 74874Q100 84291 3708350 SH SOLE 2428370 0 1279980 RailAmerica Inc. COM 750753402 2780 163172 SH SOLE 125768 0 37404 Raymond James Financial Inc. COM 754730109 201093 5258700 SH SOLE 3370736 0 1887964 Realty Income Corp. COM 756109104 1642 46993 SH SOLE 36032 0 10961 Renasant Corp. COM 75970E107 1750 103045 SH SOLE 79424 0 23621 Republic Services Inc. COM 760759100 14516 483217 SH SOLE 304476 0 178741 Rex Energy Corp. COM 761565100 46429 3988714 SH SOLE 2921904 0 1066810 RF Micro Devices Inc. COM 749941100 119798 18689158 SH SOLE 12227168 0 6461990 RightNow Technologies Inc. COM 76657R106 58529 1869041 SH SOLE 1238811 0 630230 Ritchie Bros. Auctioneers Inc. COM 767744105 7669 272429 SH SOLE 171141 0 101288 Rockwell Collins Inc. COM 774341101 26085 402362 SH SOLE 238990 0 163372 Rogers Corp. COM 775133101 62720 1391919 SH SOLE 880469 0 511450 Rovi Corp. COM 779376102 92555 1725168 SH SOLE 1141144 0 584024 RTI International Metals Inc. COM 74973W107 25658 823679 SH SOLE 541506 0 282173 Saia Inc. COM 78709Y105 2244 136917 SH SOLE 105421 0 31496 Sanmina-SCI Corp. COM 800907206 22660 2021380 SH SOLE 1338180 0 683200 SBA Communications Corp. COM 78388J106 13268 334371 SH SOLE 210260 0 124111 Scripps Networks Interactive Inc. Cl A COM 811065101 42239 843261 SH SOLE 502520 0 340741 Semtech Corp. COM 816850101 47773 1909400 SH SOLE 1264400 0 645000 Shire PLC ADS COM 82481R106 42184 484710 SH SOLE 297180 0 187530 Silicon Laboratories Inc. COM 826919102 10776 249380 SH SOLE 156620 0 92760 Skyworks Solutions Inc. COM 83088M102 157502 4861188 SH SOLE 2928412 0 1932776 SM Energy Co. COM 78454L100 78718 1061029 SH SOLE 709926 0 351103 Smithfield Foods Inc. COM 832248108 9118 378965 SH SOLE 238625 0 140340 Snap-On Inc. COM 833034101 2692 44828 SH SOLE 34373 0 10455 Sotheby's COM 835898107 12078 229620 SH SOLE 144290 0 85330 Southwest Gas Corp. COM 844895102 1572 40344 SH SOLE 31089 0 9255 St. Jude Medical Inc. COM 790849103 13008 253770 SH SOLE 211010 0 42760 Starbucks Corp. COM 855244109 52886 1431286 SH SOLE 846220 0 585066 Starwood Hotels & Resorts Worldwide In COM 85590A401 46750 804364 SH SOLE 475620 0 328744 Superior Energy Services Inc. COM 868157108 38803 946418 SH SOLE 562190 0 384228 Synaptics Inc. COM 87157D109 6809 251988 SH SOLE 158190 0 93798 Syneron Medical Ltd. COM M87245102 14271 1094397 SH SOLE 686348 0 408049 Synovis Life Technologies Inc. COM 87162G105 1076 56183 SH SOLE 43383 0 12800 T. Rowe Price Group Inc. COM 74144T108 34238 515481 SH SOLE 306750 0 208731 TASER International Inc. COM 87651B104 6510 1603457 SH SOLE 1007626 0 595831 TE Connectivity Ltd. COM H84989104 40847 1173098 SH SOLE 704010 0 469088 Tech Data Corp. COM 878237106 47102 926108 SH SOLE 613388 0 312720 Tenneco Inc. COM 880349105 30538 719395 SH SOLE 427020 0 292375 Teradata Corp. COM 88076W103 34346 677430 SH SOLE 402810 0 274620 Tessera Technologies Inc. COM 88164L100 63008 3450625 SH SOLE 2285620 0 1165005 Teva Pharmaceutical Industries Ltd. AD COM 881624209 5759 114790 SH SOLE 114790 0 0 Texas Capital Bancshares Inc. COM 88224Q107 3124 120206 SH SOLE 92646 0 27560

TITLE OF VALUE SHARES/ SH/ INVSTMT NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN DSCRETN SOLE SHARED NONE -------------- -------- --------- -------- ------- --- ------- ------- ------ ------- Thomas & Betts Corp. COM 884315102 6048 101695 SH SOLE 63915 0 37780 Tiffany & Co. COM 886547108 24408 397273 SH SOLE 235700 0 161573 Titan Machinery Inc. COM 88830R101 796 31506 SH SOLE 24240 0 7266 TiVo Inc. COM 888706108 7863 898606 SH SOLE 564716 0 333890 TJX Cos. COM 872540109 5289 106350 SH SOLE 106350 0 0 Tractor Supply Co. COM 892356106 46136 770736 SH SOLE 484025 0 286711 TriQuint Semiconductor Inc. COM 89674K103 48345 3744780 SH SOLE 2302140 0 1442640 United Continental Holdings Inc. COM 910047109 30724 1336420 SH SOLE 979220 0 357200 United Parcel Service Inc. (Cl B) COM 911312106 7396 99510 SH SOLE 99510 0 0 United Therapeutics Corp. COM 91307C102 136824 2041545 SH SOLE 1296455 0 745090 Unitil Corp. COM 913259107 1732 73496 SH SOLE 56696 0 16800 UTi Worldwide Inc. COM G87210103 96483 4783476 SH SOLE 3120711 0 1662765 Validus Holdings Ltd. COM G9319H102 2853 85613 SH SOLE 66040 0 19573 VCA Antech Inc. COM 918194101 8923 354510 SH SOLE 222910 0 131600 Veeco Instruments Inc. COM 922417100 47920 942572 SH SOLE 617710 0 324862 VeriFone Systems Inc. COM 92342Y109 104207 1896392 SH SOLE 1176360 0 720032 Verint Systems Inc. COM 92343X100 20122 561444 SH SOLE 372391 0 189053 VeriSign Inc. COM 92343E102 8074 222970 SH SOLE 140170 0 82800 ViaSat Inc. COM 92552V100 4915 123368 SH SOLE 102618 0 20750 Virtusa Corp COM 92827P102 37875 2022163 SH SOLE 1344865 0 677298 Vistaprint N.V. COM N93540107 16050 309244 SH SOLE 257094 0 52150 W.R. Berkley Corp. COM 084423102 62206 1931277 SH SOLE 1256777 0 674500 WABCO Holdings Inc. COM 92927K102 92763 1504912 SH SOLE 983614 0 521298 Waddell & Reed Financial Inc. (Cl A) COM 930059100 116446 2867428 SH SOLE 1845963 0 1021465 Wal-Mart Stores Inc. COM 931142103 3862 74200 SH SOLE 74200 0 0 Warnaco Group Inc. COM 934390402 40952 716065 SH SOLE 396720 0 319345 Waste Connections Inc. COM 941053100 62061 2155634 SH SOLE 1366281 0 789353 Watsco Inc. COM 942622200 93087 1335349 SH SOLE 872091 0 463258 Watson Pharmaceuticals Inc. COM 942683103 74963 1338393 SH SOLE 864760 0 473633 Web.com Group Inc. COM 94733A104 16390 1124545 SH SOLE 745670 0 378875 Wesco International Inc. COM 95082P105 72274 1156386 SH SOLE 736897 0 419489 Westar Energy Inc. COM 95709T100 3182 120424 SH SOLE 92969 0 27455 Western Digital Corp. COM 958102105 22376 600044 SH SOLE 377244 0 222800 Willis Group Holdings PLC COM G96666105 16291 403633 SH SOLE 253703 0 149930 WMS Industries Inc. COM 929297109 35632 1007977 SH SOLE 658377 0 349600 World Fuel Services Corp. COM 981475106 100470 2474033 SH SOLE 1617941 0 856092 WSFS Financial Corp. COM 929328102 1728 36684 SH SOLE 28278 0 8406 Zagg Inc. COM 98884U108 6084 810103 SH SOLE 499340 0 310763 LINE COUNT: 321