The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
2U Inc. COM 90214J101 6,002 439,690 SH   SOLE   290,380 0 149,310
A. O. Smith Corporation COM 831865209 42,428 921,944 SH   SOLE   409,240 0 512,704
AbbVie Inc. COM 00287Y109 3,037 59,086 SH   SOLE   59,086 0 0
ACE Limited COM H0023R105 3,713 37,484 SH   SOLE   37,484 0 0
Actavis Plc COM G0083B108 137,288 666,932 SH   SOLE   449,654 0 217,278
Actuant Corporation Class A COM 00508X203 28 810 SH   SOLE   810 0 0
ADTRAN Inc. COM 00738A106 5,465 223,899 SH   SOLE   148,789 0 75,110
Advance Auto Parts Inc. COM 00751Y106 40,405 319,408 SH   SOLE   218,403 0 101,005
Advanced Energy Industries Inc. COM 007973100 67,191 2,742,507 SH   SOLE   1,244,600 0 1,497,907
Advent Software Inc. COM 007974108 11,121 378,779 SH   SOLE   251,490 0 127,289
Advisory Board Company COM 00762W107 33,695 524,430 SH   SOLE   227,690 0 296,740
Agnico-Eagle Mines Limited COM 008474108 21,218 701,427 SH   SOLE   478,487 0 222,940
Akamai Technologies Inc. COM 00971T101 56,082 963,449 SH   SOLE   657,347 0 306,102
Albemarle Corporation COM 012653101 18,967 285,561 SH   SOLE   189,871 0 95,690
Alkermes Plc COM G01767105 160,407 3,638,178 SH   SOLE   2,080,767 0 1,557,411
Allegheny Technologies Incorporated COM 01741R102 22,700 602,430 SH   SOLE   400,210 0 202,220
Alliance Data Systems Corporation COM 018581108 88,635 325,327 SH   SOLE   222,547 0 102,780
Allied World Assurance Company Holding COM H01531104 82,058 795,213 SH   SOLE   452,429 0 342,784
Allscripts Healthcare Solutions Inc. COM 01988P108 59,428 3,296,045 SH   SOLE   1,946,692 0 1,349,353
Altera Corporation COM 021441100 13,981 385,855 SH   SOLE   256,215 0 129,640
Altra Industrial Motion Corp. COM 02208R106 51,394 1,439,614 SH   SOLE   689,447 0 750,167
American Airlines Group Inc. COM 02376R102 78,231 2,137,468 SH   SOLE   1,393,025 0 744,443
American Eagle Outfitters Inc. COM 02553E106 23,842 1,947,909 SH   SOLE   869,679 0 1,078,230
American International Group Inc. COM 026874784 3,818 76,337 SH   SOLE   76,337 0 0
American Water Works Company Inc. COM 030420103 27 589 SH   SOLE   589 0 0
Amgen Inc. COM 031162100 4,373 35,452 SH   SOLE   35,452 0 0
Amphenol Corporation Class A COM 032095101 75,182 820,312 SH   SOLE   560,772 0 259,540
Aon plc COM G0408V102 70,134 832,154 SH   SOLE   565,829 0 266,325
Apple Inc. COM 037833100 6,646 12,382 SH   SOLE   12,382 0 0
Ares Commercial Real Estate Corporatio COM 04013V108 10,592 789,867 SH   SOLE   519,760 0 270,107
Argo Group International Holdings Ltd. COM G0464B107 53,655 1,170,227 SH   SOLE   588,718 0 581,509
Armstrong World Industries Inc. COM 04247X102 62,319 1,170,301 SH   SOLE   794,036 0 376,265
Arthur J. Gallagher & Co. COM 363576109 49,895 1,048,658 SH   SOLE   717,568 0 331,090
Aspen Insurance Holdings Limited COM G05384105 47,556 1,197,879 SH   SOLE   562,042 0 635,837
Atmel Corporation COM 049513104 107,408 12,847,808 SH   SOLE   7,154,805 0 5,693,003
Atwood Oceanics Inc. COM 050095108 9,287 184,300 SH   SOLE   121,920 0 62,380
Autoliv Inc. COM 052800109 23,689 236,062 SH   SOLE   157,332 0 78,730
Avago Technologies Limited COM Y0486S104 67,806 1,052,723 SH   SOLE   719,343 0 333,380
B/E Aerospace Inc. COM 073302101 178,480 2,056,456 SH   SOLE   1,379,593 0 676,863
Belden Inc. COM 077454106 125,292 1,800,169 SH   SOLE   1,003,081 0 797,088
Berry Plastics Group Inc. COM 08579W103 31,604 1,365,196 SH   SOLE   908,096 0 457,100
BioMarin Pharmaceutical Inc. COM 09061G101 6,066 88,937 SH   SOLE   59,167 0 29,770
Blackhawk Network Holdings Inc COM 09238E104 15,879 651,051 SH   SOLE   350,493 0 300,558
BlackRock Inc. COM 09247X101 4,630 14,722 SH   SOLE   14,722 0 0
Boise Cascade Co. COM 09739D100 38,519 1,344,939 SH   SOLE   713,269 0 631,670
Briggs & Stratton Corporation COM 109043109 9,572 430,210 SH   SOLE   194,276 0 235,934
Bright Horizons Family Solutions Inc. COM 109194100 37,386 955,914 SH   SOLE   653,034 0 302,880
Brightcove Inc. COM 10921T101 16,586 1,687,236 SH   SOLE   1,120,750 0 566,486
Broadcom Corporation Class A COM 111320107 3,690 117,243 SH   SOLE   117,243 0 0
Brown-Forman Corporation Class B COM 115637209 57,553 641,683 SH   SOLE   460,994 0 180,689
Cabot Corporation COM 127055101 44,121 747,048 SH   SOLE   416,711 0 330,337
Cabot Microelectronics Corporation COM 12709P103 7,989 181,569 SH   SOLE   121,019 0 60,550
Cabot Oil & Gas Corporation COM 127097103 101,464 2,994,817 SH   SOLE   1,980,286 0 1,014,531
Cadence Design Systems Inc. COM 127387108 115,282 7,418,418 SH   SOLE   4,391,134 0 3,027,284
CaesarStone Sdot-Yam Ltd. COM M20598104 62,953 1,157,655 SH   SOLE   664,250 0 493,405
Callidus Software Inc. COM 13123E500 19,434 1,552,234 SH   SOLE   685,038 0 867,196
Cameron International Corporation COM 13342B105 70,746 1,145,317 SH   SOLE   807,807 0 337,510
CapitalSource Inc. COM 14055X102 57,512 3,941,875 SH   SOLE   2,601,505 0 1,340,370
Carlisle Companies Incorporated COM 142339100 69,427 875,052 SH   SOLE   452,768 0 422,284
Carrizo Oil & Gas Inc. COM 144577103 229,646 4,295,653 SH   SOLE   2,523,123 0 1,772,530
Catamaran Corporation COM 148887102 69,106 1,543,931 SH   SOLE   1,060,039 0 483,892
Celadon Group Inc. COM 150838100 42,232 1,756,749 SH   SOLE   810,042 0 946,707
Celanese Corporation Class A COM 150870103 10,092 181,806 SH   SOLE   138,186 0 43,620
Centene Corporation COM 15135B101 3,249 52,194 SH   SOLE   23,140 0 29,054
Cerner Corporation COM 156782104 31,173 554,186 SH   SOLE   380,153 0 174,033
CF Industries Holdings Inc. COM 125269100 18 69 SH   SOLE   69 0 0
Charles River Laboratories Internation COM 159864107 19 317 SH   SOLE   317 0 0
Chart Industries Inc. COM 16115Q308 13,667 172,025 SH   SOLE   75,097 0 96,928
Chicago Bridge & Iron Co. NV COM 167250109 78,240 897,757 SH   SOLE   613,927 0 283,830
Chico's FAS Inc. COM 168615102 42,624 2,659,033 SH   SOLE   1,281,402 0 1,377,631
Chipotle Mexican Grill Inc. COM 169656105 31,369 55,222 SH   SOLE   35,562 0 19,660
CIBER Inc. COM 17163B102 16,734 3,653,775 SH   SOLE   1,625,272 0 2,028,503
Cigna Corporation COM 125509109 31 371 SH   SOLE   371 0 0
CIT Group Inc. COM 125581801 14 283 SH   SOLE   283 0 0
CME Group Inc. Class A COM 12572Q105 3,462 46,765 SH   SOLE   46,765 0 0
Cogent Communications Group Inc. COM 19239V302 159,888 4,500,091 SH   SOLE   2,663,688 0 1,836,403
Cognizant Technology Solutions COM 192446102 4,688 92,645 SH   SOLE   92,645 0 0
Computer Sciences Corporation COM 205363104 23 376 SH   SOLE   376 0 0
Comstock Resources Inc. COM 205768203 31,588 1,382,426 SH   SOLE   625,566 0 756,860
Concho Resources Inc. COM 20605P101 62,578 510,844 SH   SOLE   349,904 0 160,940
CONSOL Energy Inc. COM 20854P109 8,467 211,940 SH   SOLE   138,150 0 73,790
Continental Resources Inc. COM 212015101 117,253 943,535 SH   SOLE   611,480 0 332,055
Control4 Corporation COM 21240D107 8,126 383,123 SH   SOLE   169,304 0 213,819
Cooper Companies Inc. COM 216648402 150,963 1,099,031 SH   SOLE   733,661 0 365,370
Copart Inc. COM 217204106 5,025 138,090 SH   SOLE   94,290 0 43,800
Covance Inc. COM 222816100 105,247 1,012,964 SH   SOLE   631,756 0 381,208
CRA International Inc. COM 12618T105 7,258 330,361 SH   SOLE   154,952 0 175,409
Crocs Inc. COM 227046109 47,270 3,030,135 SH   SOLE   1,496,298 0 1,533,837
CubeSmart COM 229663109 14 791 SH   SOLE   791 0 0
Cypress Semiconductor Corporation COM 232806109 18,417 1,793,293 SH   SOLE   1,185,680 0 607,613
Cytec Industries Inc. COM 232820100 51,278 525,335 SH   SOLE   317,938 0 207,397
Dana Holding Corporation COM 235825205 21 923 SH   SOLE   923 0 0
DaVita HealthCare Partners Inc. COM 23918K108 34 494 SH   SOLE   494 0 0
Delphi Automotive PLC COM G27823106 84,860 1,250,513 SH   SOLE   855,388 0 395,125
DexCom Inc. COM 252131107 92,993 2,248,379 SH   SOLE   1,241,839 0 1,006,540
Dick's Sporting Goods Inc. COM 253393102 32,712 599,008 SH   SOLE   414,528 0 184,480
Discovery Communications Inc. Class A COM 25470F104 49,938 603,842 SH   SOLE   413,041 0 190,801
Dril-Quip Inc. COM 262037104 26,093 232,762 SH   SOLE   153,992 0 78,770
DTS Inc. COM 23335C101 14,887 753,410 SH   SOLE   500,755 0 252,655
Dunkin' Brands Group Inc. COM 265504100 37,396 745,242 SH   SOLE   504,744 0 240,498
Dynamic Materials Corporation COM 267888105 2,146 112,720 SH   SOLE   74,810 0 37,910
E*TRADE Financial Corporation COM 269246401 116,256 5,050,202 SH   SOLE   3,365,372 0 1,684,830
Eagle Materials Inc. COM 26969P108 215,077 2,425,868 SH   SOLE   1,480,411 0 945,457
Edison International COM 281020107 33 580 SH   SOLE   580 0 0
Edwards Lifesciences Corporation COM 28176E108 12,447 167,820 SH   SOLE   110,970 0 56,850
Electronic Arts Inc. COM 285512109 123,248 4,248,467 SH   SOLE   2,765,272 0 1,483,195
Ellie Mae Inc. COM 28849P100 50,443 1,749,066 SH   SOLE   771,861 0 977,205
Emerald Oil Inc. COM 29101U209 4,624 688,148 SH   SOLE   304,284 0 383,864
Emulex Corporation COM 292475209 24,651 3,335,684 SH   SOLE   1,681,418 0 1,654,266
Encore Wire Corporation COM 292562105 10,836 223,378 SH   SOLE   104,883 0 118,495
Endurance Specialty Holdings Ltd. COM G30397106 53,479 993,488 SH   SOLE   448,605 0 544,883
Entropic Communications Inc. COM 29384R105 8,576 2,096,721 SH   SOLE   950,848 0 1,145,873
Envestnet Inc. COM 29404K106 20,818 518,122 SH   SOLE   229,059 0 289,063
Everest RE Group Ltd. COM G3223R108 23,937 156,398 SH   SOLE   104,218 0 52,180
ExOne Co. COM 302104104 14,664 409,264 SH   SOLE   180,766 0 228,498
Fairchild Semiconductor International COM 303726103 35,935 2,605,865 SH   SOLE   1,464,391 0 1,141,474
Fidelity National Financial Inc. Class COM 31620R105 19 592 SH   SOLE   592 0 0
Fidelity National Information Services COM 31620M106 47 886 SH   SOLE   886 0 0
Fiesta Restaurant Group Inc. COM 31660B101 19,104 419,029 SH   SOLE   184,374 0 234,655
First Horizon National Corporation COM 320517105 29,879 2,421,274 SH   SOLE   1,117,663 0 1,303,611
First Midwest Bancorp Inc. COM 320867104 35,939 2,104,183 SH   SOLE   960,750 0 1,143,433
FleetMatics Group Ltd. COM G35569105 56,067 1,676,147 SH   SOLE   946,012 0 730,135
Flextronics International Ltd. COM Y2573F102 22,755 2,462,639 SH   SOLE   1,617,946 0 844,693
FLIR Systems Inc. COM 302445101 15,343 426,184 SH   SOLE   186,753 0 239,431
Flushing Financial Corporation COM 343873105 29,075 1,379,947 SH   SOLE   834,534 0 545,413
FMC Corporation COM 302491303 140,947 1,840,996 SH   SOLE   1,227,981 0 613,015
Fortinet Inc. COM 34959E109 47,273 2,145,857 SH   SOLE   1,191,630 0 954,227
Foundation Medicine Inc. COM 350465100 9,095 280,982 SH   SOLE   123,579 0 157,403
Fox Factory Holding Corp. COM 35138V102 17,015 900,267 SH   SOLE   397,347 0 502,920
FTI Consulting Inc. COM 302941109 10,556 316,623 SH   SOLE   148,823 0 167,800
Furmanite Corporation COM 361086101 12,604 1,283,513 SH   SOLE   609,010 0 674,503
Gartner Inc. COM 366651107 37,875 545,430 SH   SOLE   372,796 0 172,634
General Motors Company COM 37045V100 2,793 81,145 SH   SOLE   81,145 0 0
Genesee & Wyoming Inc. Class A COM 371559105 70,549 724,917 SH   SOLE   509,152 0 215,765
Gilead Sciences Inc. COM 375558103 2,659 37,531 SH   SOLE   37,531 0 0
Global Payments Inc. COM 37940X102 68,260 959,918 SH   SOLE   655,279 0 304,639
Globe Specialty Metals Inc. COM 37954N206 57,902 2,781,067 SH   SOLE   1,510,557 0 1,270,510
GNC Holdings Inc. Class A COM 36191G107 42,443 964,178 SH   SOLE   681,292 0 282,886
Google Inc. Class A COM 38259P508 6,421 5,761 SH   SOLE   5,761 0 0
Green Dot Corporation Class A COM 39304D102 10,271 525,900 SH   SOLE   349,990 0 175,910
Guidewire Software Inc. COM 40171V100 6,997 142,642 SH   SOLE   63,029 0 79,613
Harley-Davidson Inc. COM 412822108 96,740 1,452,332 SH   SOLE   983,166 0 469,166
Harman International Industries Incorp COM 413086109 64,076 602,219 SH   SOLE   331,744 0 270,475
Harsco Corporation COM 415864107 33,743 1,440,144 SH   SOLE   782,413 0 657,731
HCC Insurance Holdings Inc. COM 404132102 55,748 1,225,509 SH   SOLE   627,990 0 597,519
Heartland Payment Systems Inc. COM 42235N108 30,310 731,238 SH   SOLE   319,075 0 412,163
HeartWare International Inc. COM 422368100 13,467 143,600 SH   SOLE   95,230 0 48,370
HNI Corporation COM 404251100 19,235 526,123 SH   SOLE   238,656 0 287,467
Horsehead Holding Corp. COM 440694305 12,449 740,117 SH   SOLE   491,780 0 248,337
Host Hotels & Resorts Inc. COM 44107P104 28 1,391 SH   SOLE   1,391 0 0
Hub Group Inc. Class A COM 443320106 60,189 1,505,111 SH   SOLE   763,008 0 742,103
Hubbell Incorporated Class B COM 443510201 18,697 155,981 SH   SOLE   102,971 0 53,010
IHS Inc. Class A COM 451734107 98,092 807,342 SH   SOLE   556,176 0 251,166
Illumina Inc. COM 452327109 121,405 816,662 SH   SOLE   574,974 0 241,688
IMAX Corporation COM 45245E109 93,755 3,430,494 SH   SOLE   2,221,995 0 1,208,499
Incyte Corporation COM 45337C102 37,597 702,483 SH   SOLE   479,029 0 223,454
Ingram Micro Inc. Class A COM 457153104 59,012 1,996,330 SH   SOLE   922,347 0 1,073,983
Insight Enterprises Inc. COM 45765U103 22,280 887,312 SH   SOLE   410,873 0 476,439
Insperity Inc. COM 45778Q107 29,001 936,114 SH   SOLE   408,895 0 527,219
Insulet Corporation COM 45784P101 93,282 1,967,144 SH   SOLE   1,163,422 0 803,722
Integrated Device Technology Inc. COM 458118106 39,318 3,214,907 SH   SOLE   1,653,691 0 1,561,216
InterMune Inc. COM 45884X103 55,681 1,663,624 SH   SOLE   884,168 0 779,456
International Paper Company COM 460146103 27 597 SH   SOLE   597 0 0
International Rectifier Corporation COM 460254105 13,783 503,034 SH   SOLE   334,654 0 168,380
International Speedway Corporation Cla COM 460335201 12,402 364,859 SH   SOLE   145,840 0 219,019
Interoil Corporation COM 460951106 46,396 716,429 SH   SOLE   458,578 0 257,851
IntraLinks Holdings Inc. COM 46118H104 3,770 368,560 SH   SOLE   245,060 0 123,500
Intrexon Corporation COM 46122T102 60,639 2,306,536 SH   SOLE   1,194,298 0 1,112,238
iShares Russell 2000 ETF COM 464287655 118,993 1,022,800 SH   SOLE   1,022,800 0 0
Itron Inc. COM 465741106 20,828 586,049 SH   SOLE   342,758 0 243,291
J.B. Hunt Transport Services Inc. COM 445658107 33,666 468,105 SH   SOLE   320,730 0 147,375
Jabil Circuit Inc. COM 466313103 43,134 2,396,324 SH   SOLE   1,276,376 0 1,119,948
Jack Henry & Associates Inc. COM 426281101 79,819 1,431,482 SH   SOLE   809,699 0 621,783
Jacobs Engineering Group Inc. COM 469814107 68,055 1,071,736 SH   SOLE   729,431 0 342,305
JetBlue Airways Corporation COM 477143101 11,930 1,372,850 SH   SOLE   912,590 0 460,260
Jive Software Inc. COM 47760A108 6,551 817,813 SH   SOLE   360,578 0 457,235
Jones Lang LaSalle Incorporated COM 48020Q107 28,633 241,632 SH   SOLE   107,113 0 134,519
JPMorgan Chase & Co. COM 46625H100 3,943 64,945 SH   SOLE   64,945 0 0
Kansas City Southern COM 485170302 9,656 94,609 SH   SOLE   62,799 0 31,810
KAR Auction Services Inc. COM 48238T109 113,326 3,733,981 SH   SOLE   2,240,994 0 1,492,987
KBR Inc. COM 48242W106 7,085 265,570 SH   SOLE   175,460 0 90,110
Kennametal Inc. COM 489170100 19 420 SH   SOLE   420 0 0
KiOR Inc. Class A COM 497217109 4,861 8,483,619 SH   SOLE   4,531,027 0 3,952,592
Kirby Corporation COM 497266106 105,403 1,041,015 SH   SOLE   683,233 0 357,782
Kohl's Corporation COM 500255104 20 346 SH   SOLE   346 0 0
Kraton Performance Polymers Inc. COM 50077C106 34,323 1,313,050 SH   SOLE   825,464 0 487,586
Kulicke & Soffa Industries Inc. COM 501242101 20,022 1,587,776 SH   SOLE   740,106 0 847,670
Laboratory Corporation of America Hold COM 50540R409 20 208 SH   SOLE   208 0 0
Lam Research Corporation COM 512807108 42,059 764,710 SH   SOLE   523,355 0 241,355
Lennox International Inc. COM 526107107 87,324 960,553 SH   SOLE   541,729 0 418,824
Leucadia National Corporation COM 527288104 17,904 639,445 SH   SOLE   425,351 0 214,094
Liberty Interactive Corporation Class COM 53071M104 44 1,540 SH   SOLE   1,540 0 0
LifeLock Inc. COM 53224V100 13,925 813,823 SH   SOLE   360,273 0 453,550
Lions Gate Entertainment Corp. COM 535919203 23,492 878,855 SH   SOLE   581,200 0 297,655
Littelfuse Inc. COM 537008104 14,912 159,249 SH   SOLE   78,076 0 81,173
LKQ Corporation COM 501889208 92,279 3,502,066 SH   SOLE   1,958,564 0 1,543,502
Louisiana-Pacific Corporation COM 546347105 27,408 1,624,670 SH   SOLE   1,074,690 0 549,980
LPL Financial Holdings Inc. COM 50212V100 11,377 216,540 SH   SOLE   143,770 0 72,770
M&T Bank Corporation COM 55261F104 16 134 SH   SOLE   134 0 0
MarineMax Inc. COM 567908108 8,632 568,270 SH   SOLE   376,030 0 192,240
Martin Marietta Materials Inc. COM 573284106 14,298 111,400 SH   SOLE   73,940 0 37,460
MasTec Inc. COM 576323109 231,670 5,333,099 SH   SOLE   2,691,918 0 2,641,181
Matrix Service Company COM 576853105 32,519 962,664 SH   SOLE   420,281 0 542,383
Maxim Integrated Products Inc. COM 57772K101 20,495 618,798 SH   SOLE   411,588 0 207,210
McDermott International Inc. COM 580037109 6,174 789,570 SH   SOLE   526,310 0 263,260
Medicines Company COM 584688105 42,153 1,483,219 SH   SOLE   651,384 0 831,835
MEDNAX Inc. COM 58502B106 235,693 3,802,727 SH   SOLE   2,079,991 0 1,722,736
Merit Medical Systems Inc. COM 589889104 11,878 830,632 SH   SOLE   379,873 0 450,759
Meritor Inc. COM 59001K100 50,470 4,119,978 SH   SOLE   2,198,302 0 1,921,676
MFA Financial Inc. COM 55272X102 32 4,123 SH   SOLE   4,123 0 0
MGM Resorts International COM 552953101 48,750 1,885,144 SH   SOLE   1,347,614 0 537,530
Micron Technology Inc. COM 595112103 17 730 SH   SOLE   730 0 0
Microsemi Corporation COM 595137100 44,698 1,785,784 SH   SOLE   905,312 0 880,472
Modine Manufacturing Company COM 607828100 53,750 3,668,949 SH   SOLE   1,835,470 0 1,833,479
MoneyGram International Inc. COM 60935Y208 13,569 768,800 SH   SOLE   507,200 0 261,600
Monolithic Power Systems Inc. COM 609839105 54,074 1,394,729 SH   SOLE   896,145 0 498,584
Move Inc. COM 62458M207 5,437 470,341 SH   SOLE   207,890 0 262,451
MRC Global Inc. COM 55345K103 64,911 2,407,670 SH   SOLE   1,327,386 0 1,080,284
MSA Safety Inc. COM 553498106 38,864 681,816 SH   SOLE   291,639 0 390,177
Mylan Inc. COM 628530107 89,792 1,838,871 SH   SOLE   1,263,599 0 575,272
Myriad Genetics Inc. COM 62855J104 33,441 978,105 SH   SOLE   553,066 0 425,039
National Retail Properties Inc. COM 637417106 25,550 744,458 SH   SOLE   352,004 0 392,454
Navigators Group Inc. COM 638904102 38,193 622,131 SH   SOLE   293,252 0 328,879
Netflix Inc. COM 64110L106 24,776 70,381 SH   SOLE   48,081 0 22,300
NII Holdings Inc. Class B COM 62913F201 10,085 8,474,411 SH   SOLE   5,631,431 0 2,842,980
Noble Energy Inc. COM 655044105 32 454 SH   SOLE   454 0 0
Northern Trust Corporation COM 665859104 16 244 SH   SOLE   244 0 0
NXP Semiconductors NV COM N6596X109 124,087 2,109,963 SH   SOLE   1,388,508 0 721,455
O'Reilly Automotive Inc. COM 67103H107 81,615 550,006 SH   SOLE   378,359 0 171,647
ON Semiconductor Corporation COM 682189105 94,476 10,050,653 SH   SOLE   4,818,888 0 5,231,765
Oracle Corporation COM 68389X105 4,211 102,941 SH   SOLE   102,941 0 0
Orbital Sciences Corporation COM 685564106 15,597 559,030 SH   SOLE   371,070 0 187,960
P. H. Glatfelter Company COM 377316104 11,632 427,351 SH   SOLE   197,026 0 230,325
Packaging Corporation of America COM 695156109 14,337 203,742 SH   SOLE   134,632 0 69,110
Pall Corporation COM 696429307 85,904 960,147 SH   SOLE   622,014 0 338,133
Pandora Media Inc. COM 698354107 293 9,661 SH   SOLE   4,492 0 5,169
Parkway Properties Inc. COM 70159Q104 24,172 1,324,485 SH   SOLE   599,317 0 725,168
Pentair Ltd. COM H6169Q108 68,616 864,832 SH   SOLE   591,502 0 273,330
Pericom Semiconductor Corporation COM 713831105 13,559 1,731,715 SH   SOLE   971,184 0 760,531
PerkinElmer Inc. COM 714046109 14,691 326,040 SH   SOLE   143,950 0 182,090
Perrigo Co. Plc COM G97822103 119,714 774,049 SH   SOLE   505,054 0 268,995
Piedmont Natural Gas Company Inc. COM 720186105 11,216 316,926 SH   SOLE   135,872 0 181,054
Pinnacle Financial Partners Inc. COM 72346Q104 45,959 1,225,909 SH   SOLE   560,112 0 665,797
Popular Inc. COM 733174700 69,952 2,257,235 SH   SOLE   1,266,592 0 990,643
Portland General Electric Company COM 736508847 35,156 1,087,064 SH   SOLE   499,020 0 588,044
Premiere Global Services Inc. COM 740585104 20,177 1,673,056 SH   SOLE   1,107,374 0 565,682
Primoris Services Corporation COM 74164F103 54,545 1,819,393 SH   SOLE   875,695 0 943,698
PVH Corp. COM 693656100 27 214 SH   SOLE   214 0 0
QIAGEN NV COM N72482107 9,457 448,420 SH   SOLE   298,180 0 150,240
QLogic Corporation COM 747277101 14,299 1,121,467 SH   SOLE   527,449 0 594,018
QUALCOMM Incorporated COM 747525103 3,921 49,720 SH   SOLE   49,720 0 0
Quanta Services Inc. COM 74762E102 58,783 1,593,032 SH   SOLE   837,703 0 755,329
QuickLogic Corporation COM 74837P108 4,919 944,197 SH   SOLE   625,150 0 319,047
Quiksilver Inc. COM 74838C106 14,512 1,932,327 SH   SOLE   793,031 0 1,139,296
QuinStreet Inc. COM 74874Q100 21,947 3,305,211 SH   SOLE   1,781,227 0 1,523,984
Raymond James Financial Inc. COM 754730109 194,409 3,475,929 SH   SOLE   1,938,650 0 1,537,279
RE/MAX Holdings Inc. COM 75524W108 511 17,734 SH   SOLE   8,941 0 8,793
RealPage Inc. COM 75606N109 14,192 781,506 SH   SOLE   343,918 0 437,588
Regions Financial Corporation COM 7591EP100 27 2,466 SH   SOLE   2,466 0 0
Renasant Corporation COM 75970E107 35,631 1,226,532 SH   SOLE   583,412 0 643,120
Rex Energy Corporation COM 761565100 10,398 555,760 SH   SOLE   369,140 0 186,620
Ritchie Bros. Auctioneers Incorporated COM 767744105 5,333 221,031 SH   SOLE   147,181 0 73,850
RLJ Lodging Trust COM 74965L101 22 808 SH   SOLE   808 0 0
Rogers Corporation COM 775133101 51,491 824,915 SH   SOLE   546,025 0 278,890
Rovi Corporation COM 779376102 86,524 3,798,254 SH   SOLE   2,279,011 0 1,519,243
RPX Corporation COM 74972G103 42,137 2,588,290 SH   SOLE   1,353,176 0 1,235,114
RTI International Metals Inc. COM 74973W107 9,528 342,980 SH   SOLE   155,433 0 187,547
Saia Inc. COM 78709Y105 55,860 1,461,924 SH   SOLE   767,835 0 694,089
SanDisk Corporation COM 80004C101 35,535 437,675 SH   SOLE   299,275 0 138,400
SandRidge Energy Inc. COM 80007P307 134,985 21,984,545 SH   SOLE   12,877,398 0 9,107,147
Sangamo BioSciences Inc. COM 800677106 23,815 1,317,190 SH   SOLE   580,320 0 736,870
SBA Communications Corporation COM 78388J106 16,634 182,871 SH   SOLE   120,990 0 61,881
SeaChange International Inc. COM 811699107 852 81,620 SH   SOLE   53,980 0 27,640
Seattle Genetics Inc. COM 812578102 275 6,046 SH   SOLE   2,697 0 3,349
Select Comfort Corporation COM 81616X103 47,286 2,615,403 SH   SOLE   1,476,732 0 1,138,671
Selective Insurance Group Inc. COM 816300107 35,961 1,542,080 SH   SOLE   849,047 0 693,033
Semtech Corporation COM 816850101 28,335 1,118,189 SH   SOLE   567,092 0 551,097
Sherwin-Williams Company COM 824348106 44,926 227,901 SH   SOLE   155,686 0 72,215
Signature Bank COM 82669G104 149,121 1,187,367 SH   SOLE   699,081 0 488,286
Silicon Laboratories Inc. COM 826919102 9,408 180,050 SH   SOLE   119,510 0 60,540
Silver Spring Networks Inc. COM 82817Q103 13,942 802,200 SH   SOLE   354,371 0 447,829
Sirona Dental Systems Inc. COM 82966C103 9,828 131,620 SH   SOLE   96,180 0 35,440
Skyworks Solutions Inc. COM 83088M102 22,646 603,582 SH   SOLE   399,992 0 203,590
SLM Corporation COM 78442P106 51 2,077 SH   SOLE   2,077 0 0
Southwest Gas Corporation COM 844895102 19,122 357,764 SH   SOLE   164,689 0 193,075
Spirit Airlines Inc. COM 848577102 48,313 813,350 SH   SOLE   512,650 0 300,700
Starwood Hotels & Resorts Worldwide In COM 85590A401 91,048 1,143,813 SH   SOLE   738,099 0 405,714
Stericycle Inc. COM 858912108 31,478 277,044 SH   SOLE   189,829 0 87,215
Stock Building Supply Holdings Inc. COM 86101X104 18,870 928,620 SH   SOLE   408,406 0 520,214
SunEdison Inc. COM 86732Y109 17,134 909,460 SH   SOLE   604,100 0 305,360
SVB Financial Group COM 78486Q101 53,742 417,319 SH   SOLE   285,729 0 131,590
Symmetry Medical Inc. COM 871546206 31,527 3,133,873 SH   SOLE   1,649,295 0 1,484,578
Synaptics Incorporated COM 87157D109 18,302 304,938 SH   SOLE   203,110 0 101,828
Synchronoss Technologies Inc. COM 87157B103 28,523 831,811 SH   SOLE   367,598 0 464,213
Syneron Medical Ltd COM M87245102 2,936 235,820 SH   SOLE   153,170 0 82,650
Tangoe Inc. COM 87582Y108 46,105 2,480,114 SH   SOLE   1,096,242 0 1,383,872
Tenneco Inc. COM 880349105 6,610 113,828 SH   SOLE   76,328 0 37,500
Teradyne Inc. COM 880770102 12,444 625,649 SH   SOLE   276,451 0 349,198
Terex Corporation COM 880779103 33,395 753,838 SH   SOLE   331,804 0 422,034
Tessera Technologies Inc. COM 88164L100 80,125 3,390,832 SH   SOLE   1,687,493 0 1,703,339
Teva Pharmaceutical Industries Limited COM 881624209 3,671 69,481 SH   SOLE   69,481 0 0
Texas Capital Bancshares Inc. COM 88224Q107 16,173 249,051 SH   SOLE   123,705 0 125,346
Tidewater Inc. COM 886423102 15,960 328,256 SH   SOLE   142,236 0 186,020
Tiffany & Co. COM 886547108 34,477 400,202 SH   SOLE   272,987 0 127,215
Tilly's Inc. Class A COM 886885102 19,720 1,685,477 SH   SOLE   753,598 0 931,879
TiVo Inc. COM 888706108 18,754 1,417,556 SH   SOLE   940,266 0 477,290
TJX Companies Inc. COM 872540109 5,795 95,551 SH   SOLE   95,551 0 0
Trex Company Inc. COM 89531P105 14,666 200,460 SH   SOLE   132,620 0 67,840
TriQuint Semiconductor Inc. COM 89674K103 87,221 6,513,900 SH   SOLE   3,450,896 0 3,063,004
Tronox Ltd. COM Q9235V101 16,654 700,620 SH   SOLE   465,585 0 235,035
TRW Automotive Holdings Corp. COM 87264S106 100,973 1,237,115 SH   SOLE   868,460 0 368,655
Ultratech Inc COM 904034105 66,108 2,264,741 SH   SOLE   1,240,357 0 1,024,384
Unilife Corporation COM 90478E103 36,758 9,031,425 SH   SOLE   4,710,279 0 4,321,146
United Continental Holdings Inc. COM 910047109 185,558 4,157,691 SH   SOLE   2,776,266 0 1,381,425
United Parcel Service Inc. Class B COM 911312106 4,651 47,765 SH   SOLE   47,765 0 0
United Therapeutics Corporation COM 91307C102 40,530 431,034 SH   SOLE   219,049 0 211,985
UnitedHealth Group Incorporated COM 91324P102 4,476 54,592 SH   SOLE   54,592 0 0
Unitil Corporation COM 913259107 18,796 572,366 SH   SOLE   295,819 0 276,547
Universal Display Corporation COM 91347P105 21,786 682,727 SH   SOLE   387,263 0 295,464
UTi Worldwide Inc. COM G87210103 18,824 1,777,509 SH   SOLE   1,214,989 0 562,520
V.F. Corporation COM 918204108 59,645 963,878 SH   SOLE   657,287 0 306,591
Vera Bradley Inc. COM 92335C106 27,587 1,022,120 SH   SOLE   626,126 0 395,994
VeriFone Systems Inc. COM 92342Y109 9,588 283,490 SH   SOLE   189,050 0 94,440
Virtusa Corporation COM 92827P102 48,873 1,458,467 SH   SOLE   653,582 0 804,885
Vitamin Shoppe Inc. COM 92849E101 34,096 717,516 SH   SOLE   357,071 0 360,445
Volaris Aviation Holding Company ADR C COM 21240E105 19,972 2,406,240 SH   SOLE   1,589,390 0 816,850
W. R. Berkley Corporation COM 084423102 19,406 466,267 SH   SOLE   307,977 0 158,290
Wabash National Corporation COM 929566107 53,403 3,881,008 SH   SOLE   2,304,614 0 1,576,394
WABCO Holdings Inc. COM 92927K102 97,767 926,176 SH   SOLE   451,852 0 474,324
Waddell & Reed Financial Inc. Class A COM 930059100 34,047 462,463 SH   SOLE   239,254 0 223,209
Washington Federal Inc. COM 938824109 27,985 1,201,065 SH   SOLE   567,633 0 633,432
Watsco Inc. COM 942622200 110,364 1,104,630 SH   SOLE   567,126 0 537,504
Web.com Group Inc. COM 94733A104 65,281 1,918,327 SH   SOLE   929,200 0 989,127
WESCO International Inc. COM 95082P105 85,713 1,029,951 SH   SOLE   591,167 0 438,784
Westar Energy Inc. COM 95709T100 39,967 1,136,709 SH   SOLE   523,034 0 613,675
Westinghouse Air Brake Technologies Co COM 929740108 45,782 590,738 SH   SOLE   405,183 0 185,555
WEX Inc. COM 96208T104 67,930 714,674 SH   SOLE   415,310 0 299,364
Weyerhaeuser Company COM 962166104 19 664 SH   SOLE   664 0 0
WGL Holdings Inc. COM 92924F106 20,499 511,708 SH   SOLE   240,124 0 271,584
Wisdomtree Investments Inc. COM 97717P104 21,973 1,674,795 SH   SOLE   1,145,495 0 529,300
World Fuel Services Corporation COM 981475106 17,150 388,895 SH   SOLE   259,371 0 129,524
WPX Energy Inc. Class A COM 98212B103 17 917 SH   SOLE   917 0 0
WSFS Financial Corporation COM 929328102 32,138 449,919 SH   SOLE   254,152 0 195,767
Wyndham Worldwide Corporation COM 98310W108 50,061 683,611 SH   SOLE   466,496 0 217,115
Xilinx Inc. COM 983919101 94,714 1,745,245 SH   SOLE   1,230,795 0 514,450
Yelp Inc. Class A COM 985817105 25,393 330,084 SH   SOLE   216,244 0 113,840
Zions Bancorporation COM 989701107 16 522 SH   SOLE   522 0 0
Zynga Inc. Class A COM 98986T108 36,345 8,452,405 SH   SOLE   5,791,285 0 2,661,120