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 13,829 822,690 SH   SOLE   483,960 0 338,730
A. O. Smith Corporation COM 831865209 46,396 935,778 SH   SOLE   394,944 0 540,834
AbbVie Inc. COM 00287Y109 2,964 52,516 SH   SOLE   52,516 0 0
ACE Limited COM H0023R105 3,455 33,314 SH   SOLE   33,314 0 0
Actavis Plc COM G0083B108 110,724 496,408 SH   SOLE   354,585 0 141,823
Actuant Corporation Class A COM 00508X203 28 810 SH   SOLE   810 0 0
ADTRAN Inc. COM 00738A106 4,771 211,499 SH   SOLE   144,139 0 67,360
Advance Auto Parts Inc. COM 00751Y106 57,094 423,166 SH   SOLE   286,291 0 136,875
Advanced Energy Industries Inc. COM 007973100 52,269 2,715,287 SH   SOLE   1,092,362 0 1,622,925
Advent Software Inc. COM 007974108 11,666 358,189 SH   SOLE   244,190 0 113,999
Advisory Board Company COM 00762W107 26,390 508,970 SH   SOLE   211,240 0 297,730
Agnico-Eagle Mines Limited COM 008474108 23,263 607,390 SH   SOLE   408,000 0 199,390
Akamai Technologies Inc. COM 00971T101 74,707 1,223,504 SH   SOLE   838,932 0 384,572
Albemarle Corporation COM 012653101 19,271 269,521 SH   SOLE   183,771 0 85,750
Alkermes Plc COM G01767105 181,310 3,602,431 SH   SOLE   1,999,755 0 1,602,676
Allegheny Technologies Incorporated COM 01741R102 25,684 569,480 SH   SOLE   388,320 0 181,160
Alliance Data Systems Corporation COM 018581108 88,118 313,309 SH   SOLE   211,944 0 101,365
Allied World Assurance Company Holding COM H01531104 81,949 2,155,414 SH   SOLE   1,179,042 0 976,372
Allscripts Healthcare Solutions Inc. COM 01988P108 52,864 3,293,685 SH   SOLE   1,841,594 0 1,452,091
Allscripts Healthcare Solutions Inc. COM 01988P108 52,580 3,276,040 SH   SOLE   1,823,949 0 1,452,091
Altera Corporation COM 021441100 12,635 363,495 SH   SOLE   247,275 0 116,220
Altra Industrial Motion Corp. COM 02208R106 40,173 1,103,967 SH   SOLE   439,251 0 664,716
American Airlines Group Inc. COM 02376R102 118,899 2,767,656 SH   SOLE   1,795,963 0 971,693
American Eagle Outfitters Inc. COM 02553E106 24,276 2,163,655 SH   SOLE   868,276 0 1,295,379
American International Group Inc. COM 026874784 3,703 67,847 SH   SOLE   67,847 0 0
American Water Works Company Inc. COM 030420103 29 589 SH   SOLE   589 0 0
Amgen Inc. COM 031162100 3,729 31,507 SH   SOLE   31,507 0 0
Amphenol Corporation Class A COM 032095101 77,841 807,978 SH   SOLE   549,318 0 258,660
Aon plc COM G0408V102 78,945 876,291 SH   SOLE   588,126 0 288,165
Apple Inc. COM 037833100 7,160 77,049 SH   SOLE   77,049 0 0
Ares Commercial Real Estate Corporatio COM 04013V108 9,263 746,442 SH   SOLE   504,735 0 241,707
Argo Group International Holdings Ltd. COM G0464B107 60,189 1,177,638 SH   SOLE   517,898 0 659,740
Armstrong World Industries Inc. COM 04247X102 15,430 268,680 SH   SOLE   183,920 0 84,760
Arthur J. Gallagher & Co. COM 363576109 47,040 1,009,439 SH   SOLE   683,509 0 325,930
Aspen Insurance Holdings Limited COM G05384105 37,894 834,298 SH   SOLE   331,931 0 502,367
Aspen Technology Inc. COM 045327103 11,404 245,782 SH   SOLE   103,650 0 142,132
Atmel Corporation COM 049513104 119,746 12,779,685 SH   SOLE   6,801,215 0 5,978,470
Autoliv Inc. COM 052800109 23,713 222,492 SH   SOLE   151,862 0 70,630
Avago Technologies Limited COM Y0486S104 73,014 1,013,092 SH   SOLE   684,867 0 328,225
B/E Aerospace Inc. COM 073302101 141,939 1,534,644 SH   SOLE   1,020,854 0 513,790
Belden Inc. COM 077454106 134,332 1,718,684 SH   SOLE   953,213 0 765,471
Berry Plastics Group Inc. COM 08579W103 40,228 1,559,206 SH   SOLE   1,079,656 0 479,550
Bill Barrett Corporation COM 06846N104 22,943 856,713 SH   SOLE   340,055 0 516,658
BioMarin Pharmaceutical Inc. COM 09061G101 5,206 83,687 SH   SOLE   57,147 0 26,540
Blackhawk Network Holdings Inc COM 09238E104 11,960 423,828 SH   SOLE   178,760 0 245,068
Blackhawk Network Holdings Inc Class B COM 09238E203 6,917 257,620 SH   SOLE   191,920 0 65,700
BlackRock Inc. COM 09247X101 4,183 13,087 SH   SOLE   13,087 0 0
Boise Cascade Co. COM 09739D100 37,839 1,321,210 SH   SOLE   662,250 0 658,960
Briggs & Stratton Corporation COM 109043109 9,692 473,723 SH   SOLE   178,421 0 295,302
Bright Horizons Family Solutions Inc. COM 109194100 39,682 924,129 SH   SOLE   625,289 0 298,840
Brightcove Inc. COM 10921T101 20,752 1,968,886 SH   SOLE   1,303,020 0 665,866
Broadcom Corporation Class A COM 111320107 4,404 118,643 SH   SOLE   118,643 0 0
Brown-Forman Corporation Class B COM 115637209 57,968 615,564 SH   SOLE   438,395 0 177,169
Cabot Corporation COM 127055101 43,204 745,026 SH   SOLE   390,714 0 354,312
Cabot Microelectronics Corporation COM 12709P103 7,678 171,969 SH   SOLE   117,679 0 54,290
Cabot Oil & Gas Corporation COM 127097103 101,659 2,977,713 SH   SOLE   1,949,952 0 1,027,761
Cadence Design Systems Inc. COM 127387108 105,668 6,041,615 SH   SOLE   3,690,106 0 2,351,509
CaesarStone Sdot-Yam Ltd. COM M20598104 54,189 1,104,104 SH   SOLE   632,899 0 471,205
Callidus Software Inc. COM 13123E500 17,947 1,503,132 SH   SOLE   633,396 0 869,736
Cameron International Corporation COM 13342B105 74,579 1,101,452 SH   SOLE   770,733 0 330,719
Carlisle Companies Incorporated COM 142339100 50,296 580,650 SH   SOLE   283,430 0 297,220
Carrizo Oil & Gas Inc. COM 144577103 295,818 4,271,130 SH   SOLE   2,562,644 0 1,708,486
Catamaran Corporation COM 148887102 57,769 1,308,180 SH   SOLE   900,995 0 407,185
Celadon Group Inc. COM 150838100 22,830 1,070,829 SH   SOLE   438,977 0 631,852
Celanese Corporation Class A COM 150870103 10,877 169,216 SH   SOLE   130,106 0 39,110
Celldex Therapeutics Inc. COM 15117B103 15,062 922,891 SH   SOLE   388,291 0 534,600
Centene Corporation COM 15135B101 954 12,618 SH   SOLE   5,484 0 7,134
Central Garden & Pet Company Class A COM 153527205 8,763 952,512 SH   SOLE   357,060 0 595,452
Cerner Corporation COM 156782104 27,570 534,517 SH   SOLE   362,754 0 171,763
CF Industries Holdings Inc. COM 125269100 17 69 SH   SOLE   69 0 0
Chico's FAS Inc. COM 168615102 47,106 2,777,474 SH   SOLE   1,246,732 0 1,530,742
Chipotle Mexican Grill Inc. COM 169656105 31,957 53,935 SH   SOLE   34,365 0 19,570
CIBER Inc. COM 17163B102 19,573 3,962,064 SH   SOLE   1,496,516 0 2,465,548
Cigna Corporation COM 125509109 34 371 SH   SOLE   371 0 0
CIT Group Inc. COM 125581801 22 483 SH   SOLE   483 0 0
CME Group Inc. Class A COM 12572Q105 2,949 41,560 SH   SOLE   41,560 0 0
Cogent Communications Holdings Inc COM 19239V302 154,334 4,466,964 SH   SOLE   2,643,511 0 1,823,453
Cognizant Technology Solutions COM 192446102 4,027 82,345 SH   SOLE   82,345 0 0
Computer Sciences Corporation COM 205363104 24 376 SH   SOLE   376 0 0
Comstock Resources Inc. COM 205768203 43,121 1,495,169 SH   SOLE   569,983 0 925,186
Concho Resources Inc. COM 20605P101 71,068 491,823 SH   SOLE   333,003 0 158,820
CONSOL Energy Inc. COM 20854P109 9,153 198,670 SH   SOLE   132,520 0 66,150
Continental Resources Inc. COM 212015101 131,888 834,526 SH   SOLE   540,156 0 294,370
Control4 Corporation COM 21240D107 6,604 337,633 SH   SOLE   142,684 0 194,949
Cooper Companies Inc. COM 216648402 148,859 1,098,344 SH   SOLE   734,392 0 363,952
Copart Inc. COM 217204106 46,354 1,289,050 SH   SOLE   856,725 0 432,325
Copart Inc. COM 217204106 45,951 1,277,838 SH   SOLE   845,513 0 432,325
Covance Inc. COM 222816100 47,953 560,328 SH   SOLE   381,774 0 178,554
Crocs Inc. COM 227046109 47,665 3,171,338 SH   SOLE   1,422,666 0 1,748,672
CubeSmart COM 229663109 22 1,181 SH   SOLE   1,181 0 0
Cypress Semiconductor Corporation COM 232806109 18,627 1,707,303 SH   SOLE   1,162,780 0 544,523
Cytec Industries Inc. COM 232820100 60,638 575,204 SH   SOLE   334,957 0 240,247
Dana Holding Corporation COM 235825205 23 923 SH   SOLE   923 0 0
DaVita HealthCare Partners Inc. COM 23918K108 36 494 SH   SOLE   494 0 0
Delphi Automotive PLC COM G27823106 82,725 1,203,447 SH   SOLE   814,487 0 388,960
DexCom Inc. COM 252131107 83,572 2,107,205 SH   SOLE   1,157,285 0 949,920
Discovery Communications Inc. Class A COM 25470F104 43,243 582,168 SH   SOLE   393,757 0 188,411
Dril-Quip Inc. COM 262037104 23,978 219,502 SH   SOLE   148,822 0 70,680
DSW Inc. Class A COM 23334L102 32,977 1,180,276 SH   SOLE   635,076 0 545,200
DTS Inc. COM 23335C101 13,111 712,190 SH   SOLE   485,805 0 226,385
Dunkin' Brands Group Inc. COM 265504100 40,978 894,527 SH   SOLE   595,204 0 299,323
Dynamic Materials Corporation COM 267888105 2,171 98,110 SH   SOLE   64,210 0 33,900
E*TRADE Financial Corporation COM 269246401 74,106 3,485,700 SH   SOLE   2,138,965 0 1,346,735
Eagle Materials Inc. COM 26969P108 225,567 2,392,523 SH   SOLE   1,421,755 0 970,768
Edison International COM 281020107 34 580 SH   SOLE   580 0 0
Edwards Lifesciences Corporation COM 28176E108 13,611 158,560 SH   SOLE   107,560 0 51,000
Electronic Arts Inc. COM 285512109 147,021 4,098,713 SH   SOLE   2,656,293 0 1,442,420
Ellie Mae Inc. COM 28849P100 69,872 2,244,513 SH   SOLE   1,087,168 0 1,157,345
Emerald Oil Inc. COM 29101U209 11,031 1,441,992 SH   SOLE   573,651 0 868,341
Encore Wire Corporation COM 292562105 11,482 234,143 SH   SOLE   91,721 0 142,422
Endurance Specialty Holdings Ltd. COM G30397106 51,389 996,101 SH   SOLE   402,887 0 593,214
Entropic Communications Inc. COM 29384R105 7,780 2,336,371 SH   SOLE   883,921 0 1,452,450
Envestnet Inc. COM 29404K106 28,610 584,826 SH   SOLE   247,653 0 337,173
EP Energy Corp. Class A COM 268785102 33,515 1,454,007 SH   SOLE   980,607 0 473,400
Everest RE Group Ltd. COM G3223R108 23,796 148,268 SH   SOLE   101,518 0 46,750
ExOne Co. COM 302104104 11,280 284,702 SH   SOLE   120,504 0 164,198
Fairchild Semiconductor International COM 303726103 42,512 2,725,103 SH   SOLE   1,410,840 0 1,314,263
Fidelity National Financial Inc - FNF COM 31620R303 19 592 SH   SOLE   592 0 0
Fidelity National Information Services COM 31620M106 49 886 SH   SOLE   886 0 0
Fiesta Restaurant Group Inc. COM 31660B101 21,427 461,684 SH   SOLE   194,649 0 267,035
First Horizon National Corporation COM 320517105 31,625 2,666,494 SH   SOLE   1,038,121 0 1,628,373
First Midwest Bancorp Inc. COM 320867104 36,697 2,154,837 SH   SOLE   833,340 0 1,321,497
FleetMatics Group Ltd. COM G35569105 61,866 1,912,989 SH   SOLE   1,081,798 0 831,191
Flextronics International Ltd. COM Y2573F102 25,733 2,324,579 SH   SOLE   1,569,236 0 755,343
FLIR Systems Inc. COM 302445101 22,018 633,982 SH   SOLE   267,281 0 366,701
Flushing Financial Corporation COM 343873105 27,587 1,342,421 SH   SOLE   718,919 0 623,502
FMC Corporation COM 302491303 102,316 1,437,228 SH   SOLE   956,219 0 481,009
Fortinet Inc. COM 34959E109 99,797 3,971,210 SH   SOLE   2,379,418 0 1,591,792
Fox Factory Holding Corp. COM 35138V102 18,118 1,030,033 SH   SOLE   435,671 0 594,362
FTI Consulting Inc. COM 302941109 15,189 401,604 SH   SOLE   157,577 0 244,027
Furmanite Corporation COM 361086101 15,934 1,368,925 SH   SOLE   544,809 0 824,116
Gartner Inc. COM 366651107 33,080 469,089 SH   SOLE   317,020 0 152,069
General Motors Company COM 37045V100 2,618 72,120 SH   SOLE   72,120 0 0
Genesee & Wyoming Inc. Class A COM 371559105 78,241 745,151 SH   SOLE   513,226 0 231,925
Gilead Sciences Inc. COM 375558103 2,766 33,356 SH   SOLE   33,356 0 0
Global Payments Inc. COM 37940X102 68,123 935,116 SH   SOLE   636,207 0 298,909
Globe Specialty Metals Inc. COM 37954N206 55,141 2,653,576 SH   SOLE   1,428,536 0 1,225,040
GNC Holdings Inc. Class A COM 36191G107 2,340 68,625 SH   SOLE   68,625 0 0
Gogo Inc. COM 38046C109 10,186 520,760 SH   SOLE   354,560 0 166,200
Google Inc. Class A COM 38259P508 2,991 5,116 SH   SOLE   5,116 0 0
Google Inc. Class C COM 38259P706 2,943 5,116 SH   SOLE   5,116 0 0
Green Dot Corporation Class A COM 39304D102 9,392 494,840 SH   SOLE   337,200 0 157,640
Harley-Davidson Inc. COM 412822108 97,628 1,397,675 SH   SOLE   936,054 0 461,621
Harman International Industries Incorp COM 413086109 105,285 980,034 SH   SOLE   577,669 0 402,365
Harsco Corporation COM 415864107 40,312 1,513,779 SH   SOLE   751,308 0 762,471
HCC Insurance Holdings Inc. COM 404132102 60,028 1,226,555 SH   SOLE   561,657 0 664,898
Heartland Payment Systems Inc. COM 42235N108 30,475 739,502 SH   SOLE   310,384 0 429,118
HeartWare International Inc. COM 422368100 11,948 135,010 SH   SOLE   91,680 0 43,330
HNI Corporation COM 404251100 23,486 600,514 SH   SOLE   229,854 0 370,660
Horsehead Holding Corp. COM 440694305 12,800 701,007 SH   SOLE   476,160 0 224,847
Host Hotels & Resorts Inc. COM 44107P104 31 1,391 SH   SOLE   1,391 0 0
Hub Group Inc. Class A COM 443320106 74,413 1,476,450 SH   SOLE   716,150 0 760,300
Hubbell Incorporated Class B COM 443510201 11,272 91,531 SH   SOLE   62,171 0 29,360
IHS Inc. Class A COM 451734107 127,838 942,272 SH   SOLE   613,039 0 329,233
Illumina Inc. COM 452327109 139,268 780,038 SH   SOLE   550,729 0 229,309
IMAX Corporation COM 45245E109 95,000 3,335,668 SH   SOLE   2,154,449 0 1,181,219
Incyte Corporation COM 45337C102 54,404 963,931 SH   SOLE   660,336 0 303,595
Ingram Micro Inc. Class A COM 457153104 60,980 2,087,656 SH   SOLE   840,668 0 1,246,988
Insight Enterprises Inc. COM 45765U103 28,212 917,747 SH   SOLE   358,846 0 558,901
Insperity Inc. COM 45778Q107 29,973 908,258 SH   SOLE   379,289 0 528,969
Insulet Corporation COM 45784P101 96,007 2,420,130 SH   SOLE   1,454,688 0 965,442
Integrated Device Technology Inc. COM 458118106 68,488 4,430,013 SH   SOLE   2,050,930 0 2,379,083
InterMune Inc. COM 45884X103 57,477 1,301,860 SH   SOLE   714,224 0 587,636
International Paper Company COM 460146103 33 657 SH   SOLE   657 0 0
International Rectifier Corporation COM 460254105 13,857 496,684 SH   SOLE   330,684 0 166,000
International Speedway Corporation Cla COM 460335201 13,091 393,367 SH   SOLE   132,226 0 261,141
Interoil Corporation COM 460951106 46,055 720,291 SH   SOLE   471,760 0 248,531
IntraLinks Holdings Inc. COM 46118H104 3,023 340,020 SH   SOLE   229,460 0 110,560
Intrexon Corporation COM 46122T102 61,031 2,428,627 SH   SOLE   1,017,784 0 1,410,843
Itron Inc. COM 465741106 28,649 706,501 SH   SOLE   377,591 0 328,910
J.B. Hunt Transport Services Inc. COM 445658107 39,051 529,284 SH   SOLE   356,918 0 172,366
Jabil Circuit Inc. COM 466313103 49,941 2,389,540 SH   SOLE   1,183,215 0 1,206,325
Jack Henry & Associates Inc. COM 426281101 82,102 1,381,491 SH   SOLE   762,503 0 618,988
Jacobs Engineering Group Inc. COM 469814107 54,742 1,027,440 SH   SOLE   695,500 0 331,940
JetBlue Airways Corporation COM 477143101 14,069 1,296,700 SH   SOLE   884,310 0 412,390
Jones Lang LaSalle Incorporated COM 48020Q107 29,590 234,120 SH   SOLE   99,141 0 134,979
JPMorgan Chase & Co. COM 46625H100 3,326 57,720 SH   SOLE   57,720 0 0
Kansas City Southern COM 485170302 9,518 88,529 SH   SOLE   59,979 0 28,550
KAR Auction Services Inc. COM 48238T109 114,184 3,582,796 SH   SOLE   2,119,495 0 1,463,301
KBR Inc. COM 48242W106 6,037 253,130 SH   SOLE   172,400 0 80,730
Kennametal Inc. COM 489170100 19 420 SH   SOLE   420 0 0
KiOR Inc. Class A COM 497217109 2,995 8,318,239 SH   SOLE   4,376,847 0 3,941,392
Kirby Corporation COM 497266106 117,049 999,225 SH   SOLE   649,353 0 349,872
Kite Pharma Inc. COM 49803L109 2,428 83,960 SH   SOLE   35,163 0 48,797
Kohl's Corporation COM 500255104 18 346 SH   SOLE   346 0 0
Kraton Performance Polymers Inc. COM 50077C106 22,046 978,921 SH   SOLE   669,537 0 309,384
Kulicke & Soffa Industries Inc. COM 501242101 22,509 1,578,466 SH   SOLE   704,796 0 873,670
Laboratory Corporation of America Hold COM 50540R409 21 208 SH   SOLE   208 0 0
Lam Research Corporation COM 512807108 58,456 864,991 SH   SOLE   566,116 0 298,875
Lennox International Inc. COM 526107107 60,640 677,010 SH   SOLE   395,168 0 281,842
Leucadia National Corporation COM 527288104 15,836 603,954 SH   SOLE   412,071 0 191,883
Liberty Interactive Corporation Class COM 53071M104 45 1,540 SH   SOLE   1,540 0 0
LifeLock Inc. COM 53224V100 14,139 1,012,788 SH   SOLE   427,938 0 584,850
Lions Gate Entertainment Corp. COM 535919203 23,850 834,515 SH   SOLE   567,720 0 266,795
Littelfuse Inc. COM 537008104 10,412 112,014 SH   SOLE   44,364 0 67,650
LKQ Corporation COM 501889208 90,414 3,387,569 SH   SOLE   1,848,872 0 1,538,697
Louisiana-Pacific Corporation COM 546347105 28,393 1,890,350 SH   SOLE   1,288,100 0 602,250
LPL Financial Holdings Inc. COM 50212V100 10,192 204,910 SH   SOLE   139,760 0 65,150
LSB Industries Inc. COM 502160104 11,220 269,253 SH   SOLE   107,006 0 162,247
M&T Bank Corporation COM 55261F104 17 134 SH   SOLE   134 0 0
MarineMax Inc. COM 567908108 10,843 647,719 SH   SOLE   434,780 0 212,939
Martin Marietta Materials Inc. COM 573284106 13,773 104,300 SH   SOLE   70,870 0 33,430
MasTec Inc. COM 576323109 108,619 3,524,308 SH   SOLE   1,881,141 0 1,643,167
Matrix Service Company COM 576853105 30,603 933,300 SH   SOLE   389,127 0 544,173
Maxim Integrated Products Inc. COM 57772K101 19,797 585,548 SH   SOLE   399,958 0 185,590
McDermott International Inc. COM 580037109 5,998 741,410 SH   SOLE   505,470 0 235,940
Medicines Company COM 584688105 6,083 209,341 SH   SOLE   87,906 0 121,435
MEDNAX Inc. COM 58502B106 166,280 2,859,502 SH   SOLE   1,622,036 0 1,237,466
Merit Medical Systems Inc. COM 589889104 15,541 1,029,204 SH   SOLE   394,559 0 634,645
Meritor Inc. COM 59001K100 51,524 3,951,235 SH   SOLE   2,084,589 0 1,866,646
MFA Financial Inc. COM 55272X102 34 4,123 SH   SOLE   4,123 0 0
MGM Resorts International COM 552953101 52,439 1,986,329 SH   SOLE   1,395,799 0 590,530
Micron Technology Inc. COM 595112103 33 1,010 SH   SOLE   1,010 0 0
Microsemi Corporation COM 595137100 51,573 1,927,226 SH   SOLE   945,144 0 982,082
Modine Manufacturing Company COM 607828100 57,691 3,665,220 SH   SOLE   1,617,558 0 2,047,662
MoneyGram International Inc. COM 60935Y208 17,551 1,191,530 SH   SOLE   806,910 0 384,620
Monolithic Power Systems Inc. COM 609839105 55,286 1,305,455 SH   SOLE   860,903 0 444,552
Move Inc. COM 62458M207 2,708 183,069 SH   SOLE   77,298 0 105,771
MRC Global Inc. COM 55345K103 63,575 2,247,245 SH   SOLE   1,131,676 0 1,115,569
MSA Safety Inc. COM 553498106 39,401 685,477 SH   SOLE   266,047 0 419,430
Mylan Inc. COM 628530107 64,327 1,247,605 SH   SOLE   840,508 0 407,097
Myriad Genetics Inc. COM 62855J104 40,098 1,030,270 SH   SOLE   541,439 0 488,831
National Retail Properties Inc. COM 637417106 28,222 758,859 SH   SOLE   309,998 0 448,861
Navient Corp COM 63938C108 37 2,077 SH   SOLE   2,077 0 0
Navigators Group Inc. COM 638904102 44,232 659,681 SH   SOLE   262,933 0 396,748
Netflix Inc. COM 64110L106 29,928 67,925 SH   SOLE   45,835 0 22,090
NII Holdings Inc. Class B COM 62913F201 4,492 8,166,991 SH   SOLE   5,546,671 0 2,620,320
Noble Energy Inc. COM 655044105 35 454 SH   SOLE   454 0 0
Northern Trust Corporation COM 665859104 16 244 SH   SOLE   244 0 0
NXP Semiconductors NV COM N6596X109 144,675 2,186,080 SH   SOLE   1,413,860 0 772,220
ON Semiconductor Corporation COM 682189105 107,714 11,784,918 SH   SOLE   5,201,459 0 6,583,459
Oracle Corporation COM 68389X105 3,708 91,491 SH   SOLE   91,491 0 0
Orbital Sciences Corporation COM 685564106 2,256 76,341 SH   SOLE   58,260 0 18,081
O'Reilly Automotive Inc. COM 67103H107 79,716 529,325 SH   SOLE   359,788 0 169,537
P. H. Glatfelter Company COM 377316104 12,197 459,744 SH   SOLE   177,802 0 281,942
Packaging Corporation of America COM 695156109 13,933 194,892 SH   SOLE   133,062 0 61,830
PacWest Bancorp COM 695263103 45,901 1,063,272 SH   SOLE   722,439 0 340,833
Pall Corporation COM 696429307 73,772 863,940 SH   SOLE   561,082 0 302,858
Pandora Media Inc. COM 698354107 273 9,249 SH   SOLE   4,070 0 5,179
Parkway Properties Inc. COM 70159Q104 27,793 1,345,911 SH   SOLE   523,400 0 822,511
Pentair plc COM G7S00T104 59,777 828,797 SH   SOLE   562,062 0 266,735
Pericom Semiconductor Corporation COM 713831105 15,685 1,735,088 SH   SOLE   834,364 0 900,724
PerkinElmer Inc. COM 714046109 19,469 415,639 SH   SOLE   174,619 0 241,020
Perrigo Co. Plc COM G97822103 108,445 743,995 SH   SOLE   477,830 0 266,165
Piedmont Natural Gas Company Inc. COM 720186105 12,804 342,271 SH   SOLE   122,944 0 219,327
Pinnacle Financial Partners Inc. COM 72346Q104 49,312 1,249,045 SH   SOLE   483,756 0 765,289
Popular Inc. COM 733174700 78,717 2,303,004 SH   SOLE   1,200,756 0 1,102,248
Portland General Electric Company COM 736508847 38,687 1,115,858 SH   SOLE   432,828 0 683,030
Premiere Global Services Inc. COM 740585104 24,302 1,820,386 SH   SOLE   1,227,904 0 592,482
Primoris Services Corporation COM 74164F103 55,035 1,908,283 SH   SOLE   856,568 0 1,051,715
PVH Corp. COM 693656100 25 214 SH   SOLE   214 0 0
QIAGEN NV COM N72482107 10,355 423,500 SH   SOLE   288,780 0 134,720
QLogic Corporation COM 747277101 14,030 1,390,474 SH   SOLE   546,927 0 843,547
QUALCOMM Incorporated COM 747525103 3,500 44,190 SH   SOLE   44,190 0 0
Quanta Services Inc. COM 74762E102 52,992 1,532,453 SH   SOLE   796,704 0 735,749
QuickLogic Corporation COM 74837P108 11,821 2,286,500 SH   SOLE   1,536,350 0 750,150
Quiksilver Inc. COM 74838C106 8,674 2,422,844 SH   SOLE   847,496 0 1,575,348
QuinStreet Inc. COM 74874Q100 15,309 2,778,414 SH   SOLE   1,514,282 0 1,264,132
Raymond James Financial Inc. COM 754730109 170,047 3,351,992 SH   SOLE   1,831,503 0 1,520,489
RE/MAX Holdings Inc. COM 75524W108 503 16,987 SH   SOLE   8,528 0 8,459
RealPage Inc. COM 75606N109 18,558 825,516 SH   SOLE   348,148 0 477,368
Regions Financial Corporation COM 7591EP100 26 2,466 SH   SOLE   2,466 0 0
Renasant Corporation COM 75970E107 36,124 1,242,669 SH   SOLE   500,872 0 741,797
Rex Energy Corporation COM 761565100 9,195 519,200 SH   SOLE   352,010 0 167,190
Ritchie Bros. Auctioneers Incorporated COM 767744105 5,170 209,741 SH   SOLE   143,531 0 66,210
RLJ Lodging Trust COM 74965L101 34 1,188 SH   SOLE   1,188 0 0
Rogers Corporation COM 775133101 45,210 681,385 SH   SOLE   463,075 0 218,310
Rovi Corporation COM 779376102 89,025 3,715,556 SH   SOLE   2,206,572 0 1,508,984
RPX Corporation COM 74972G103 43,680 2,460,852 SH   SOLE   1,268,428 0 1,192,424
RTI International Metals Inc. COM 74973W107 4,699 176,702 SH   SOLE   79,943 0 96,759
Saia Inc. COM 78709Y105 36,755 836,683 SH   SOLE   444,882 0 391,801
SanDisk Corporation COM 80004C101 89,616 858,147 SH   SOLE   573,577 0 284,570
SandRidge Energy Inc. COM 80007P307 167,412 23,414,242 SH   SOLE   12,977,215 0 10,437,027
Sangamo BioSciences Inc. COM 800677106 33,936 2,222,395 SH   SOLE   1,053,641 0 1,168,754
SBA Communications Corporation COM 78388J106 17,519 171,251 SH   SOLE   115,840 0 55,411
SeaChange International Inc. COM 811699107 638 79,630 SH   SOLE   52,360 0 27,270
Seattle Genetics Inc. COM 812578102 227 5,938 SH   SOLE   2,579 0 3,359
Select Comfort Corporation COM 81616X103 52,008 2,517,326 SH   SOLE   1,417,676 0 1,099,650
Selective Insurance Group Inc. COM 816300107 40,893 1,654,255 SH   SOLE   765,846 0 888,409
Semtech Corporation COM 816850101 33,905 1,296,562 SH   SOLE   627,215 0 669,347
Sherwin-Williams Company COM 824348106 44,990 217,436 SH   SOLE   146,151 0 71,285
Signature Bank COM 82669G104 124,171 984,078 SH   SOLE   550,587 0 433,491
Silicon Laboratories Inc. COM 826919102 8,350 169,550 SH   SOLE   115,260 0 54,290
Silver Spring Networks Inc. COM 82817Q103 10,355 776,818 SH   SOLE   327,689 0 449,129
Skyworks Solutions Inc. COM 83088M102 26,841 571,582 SH   SOLE   389,112 0 182,470
SLM Corp COM 78442P106 25 3,017 SH   SOLE   3,017 0 0
Southwest Gas Corporation COM 844895102 19,798 375,035 SH   SOLE   145,472 0 229,563
Spirit Airlines Inc. COM 848577102 69,776 1,103,357 SH   SOLE   694,052 0 409,305
Starwood Hotels & Resorts Worldwide In COM 85590A401 103,788 1,284,192 SH   SOLE   810,948 0 473,244
Stericycle Inc. COM 858912108 31,523 266,195 SH   SOLE   180,315 0 85,880
Stock Building Supply Holdings Inc. COM 86101X104 29,199 1,479,926 SH   SOLE   665,833 0 814,093
SunEdison Inc. COM 86732Y109 19,405 858,620 SH   SOLE   584,970 0 273,650
SVB Financial Group COM 78486Q101 46,852 401,751 SH   SOLE   271,916 0 129,835
Symmetry Medical Inc. COM 871546206 27,792 3,136,753 SH   SOLE   1,489,531 0 1,647,222
Synaptics Incorporated COM 87157D109 51,001 562,681 SH   SOLE   312,993 0 249,688
Synchronoss Technologies Inc. COM 87157B103 16,740 478,823 SH   SOLE   202,360 0 276,463
Syneron Medical Ltd COM M87245102 2,130 206,350 SH   SOLE   130,700 0 75,650
Tangoe Inc. COM 87582Y108 36,175 2,402,080 SH   SOLE   1,014,168 0 1,387,912
Tenneco Inc. COM 880349105 6,999 106,528 SH   SOLE   73,058 0 33,470
Teradyne Inc. COM 880770102 10,683 545,058 SH   SOLE   229,740 0 315,318
Terex Corporation COM 880779103 30,021 730,441 SH   SOLE   307,147 0 423,294
Tessera Technologies Inc. COM 88164L100 76,474 3,463,488 SH   SOLE   1,675,089 0 1,788,399
Teva Pharmaceutical Industries Limited COM 881624209 2,544 48,526 SH   SOLE   48,526 0 0
Texas Capital Bancshares Inc. COM 88224Q107 14,262 264,359 SH   SOLE   110,261 0 154,098
Tiffany & Co. COM 886547108 38,626 385,297 SH   SOLE   259,622 0 125,675
Tilly's Inc. Class A COM 886885102 13,099 1,629,222 SH   SOLE   694,623 0 934,599
TiVo Inc. COM 888706108 17,297 1,339,836 SH   SOLE   912,166 0 427,670
TJX Companies Inc. COM 872540109 4,514 84,926 SH   SOLE   84,926 0 0
Trex Company Inc. COM 89531P105 10,998 381,610 SH   SOLE   260,050 0 121,560
TriQuint Semiconductor Inc. COM 89674K103 112,462 7,113,348 SH   SOLE   3,528,011 0 3,585,337
Tronox Ltd. COM Q9235V101 17,798 661,620 SH   SOLE   451,005 0 210,615
TRW Automotive Holdings Corp. COM 87264S106 111,918 1,250,200 SH   SOLE   867,450 0 382,750
Ultratech Inc COM 904034105 57,386 2,587,272 SH   SOLE   1,384,136 0 1,203,136
Unilife Corporation COM 90478E103 25,684 8,677,136 SH   SOLE   4,463,320 0 4,213,816
United Continental Holdings Inc. COM 910047109 116,891 2,846,150 SH   SOLE   1,935,700 0 910,450
United Parcel Service Inc. Class B COM 911312106 4,358 42,450 SH   SOLE   42,450 0 0
United Therapeutics Corporation COM 91307C102 21,005 237,368 SH   SOLE   125,349 0 112,019
UnitedHealth Group Incorporated COM 91324P102 3,967 48,522 SH   SOLE   48,522 0 0
Unitil Corporation COM 913259107 20,234 598,098 SH   SOLE   260,576 0 337,522
Universal Display Corporation COM 91347P105 15,883 494,789 SH   SOLE   322,635 0 172,154
UTi Worldwide Inc. COM G87210103 17,561 1,698,357 SH   SOLE   1,189,689 0 508,668
V.F. Corporation COM 918204108 53,368 847,119 SH   SOLE   624,053 0 223,066
Vera Bradley Inc. COM 92335C106 21,539 984,867 SH   SOLE   606,430 0 378,437
VeriFone Systems Inc. COM 92342Y109 9,562 260,200 SH   SOLE   175,550 0 84,650
Virtusa Corporation COM 92827P102 38,244 1,068,267 SH   SOLE   435,709 0 632,558
Vitamin Shoppe Inc. COM 92849E101 29,948 696,152 SH   SOLE   337,414 0 358,738
Volaris Aviation Holding Company ADR C COM 21240E105 24,140 2,682,200 SH   SOLE   1,813,570 0 868,630
W. R. Berkley Corporation COM 084423102 20,375 439,977 SH   SOLE   298,117 0 141,860
Wabash National Corporation COM 929566107 42,143 2,957,389 SH   SOLE   1,761,670 0 1,195,719
WABCO Holdings Inc. COM 92927K102 95,237 891,568 SH   SOLE   422,814 0 468,754
Waddell & Reed Financial Inc. Class A COM 930059100 27,836 444,730 SH   SOLE   226,741 0 217,989
Washington Federal Inc. COM 938824109 27,804 1,239,596 SH   SOLE   495,535 0 744,061
Watsco Inc. COM 942622200 108,840 1,059,169 SH   SOLE   529,195 0 529,974
Web.com Group Inc. COM 94733A104 59,010 2,043,983 SH   SOLE   956,663 0 1,087,320
WESCO International Inc. COM 95082P105 84,746 981,089 SH   SOLE   525,672 0 455,417
Westar Energy Inc. COM 95709T100 44,284 1,159,564 SH   SOLE   453,155 0 706,409
Westinghouse Air Brake Technologies Co COM 929740108 61,714 747,234 SH   SOLE   483,789 0 263,445
WEX Inc. COM 96208T104 72,319 688,947 SH   SOLE   391,263 0 297,684
Weyerhaeuser Company COM 962166104 455 6,652 SH   SOLE   6,652 0 0
WGL Holdings Inc. COM 92924F106 25,002 580,100 SH   SOLE   229,039 0 351,061
Wisdomtree Investments Inc. COM 97717P104 20,008 1,618,749 SH   SOLE   1,088,374 0 530,375
World Fuel Services Corporation COM 981475106 16,585 336,895 SH   SOLE   229,341 0 107,554
WPX Energy Inc. Class A COM 98212B103 22 917 SH   SOLE   917 0 0
WSFS Financial Corporation COM 929328102 33,590 455,952 SH   SOLE   218,602 0 237,350
Xilinx Inc. COM 983919101 44,912 949,309 SH   SOLE   676,592 0 272,717
Yelp Inc. Class A COM 985817105 36,900 481,215 SH   SOLE   281,231 0 199,984
Zions Bancorporation COM 989701107 22 762 SH   SOLE   762 0 0
Zynga Inc. Class A COM 98986T108 34,030 10,601,206 SH   SOLE   7,261,445 0 3,339,761