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 76,126 2,364,884 SH   SOLE   1,045,164 0 1,319,720
3D Systems Corporation COM 88554D205 31,761 1,627,079 SH   SOLE   646,913 0 980,166
A. O. Smith Corporation COM 831865209 64,596 897,418 SH   SOLE   341,658 0 555,760
Activision Blizzard Inc COM 00507V109 50,450 2,083,842 SH   SOLE   1,463,319 0 620,523
Actuant Corporation Class A COM 00508X203 43 1,848 SH   SOLE   1,848 0 0
ADTRAN Inc. COM 00738A106 2,905 178,784 SH   SOLE   114,624 0 64,160
Advent Software Inc. COM 007974108 9,523 215,414 SH   SOLE   126,277 0 89,137
Advisory Board Company COM 00762W107 32,609 596,469 SH   SOLE   225,257 0 371,212
Agnico-Eagle Mines Limited COM 008474108 15,422 543,586 SH   SOLE   357,796 0 185,790
Akamai Technologies Inc. COM 00971T101 111,823 1,601,584 SH   SOLE   1,103,750 0 497,834
Albemarle Corporation COM 012653101 13,382 242,113 SH   SOLE   160,363 0 81,750
Alkermes Plc COM G01767105 91,553 1,422,957 SH   SOLE   831,047 0 591,910
Allegheny Technologies Incorporated COM 01741R102 22,425 742,550 SH   SOLE   488,809 0 253,741
Allergan plc COM G0177J108 3,876 12,773 SH   SOLE   12,773 0 0
Alliance Data Systems Corporation COM 018581108 118,173 404,786 SH   SOLE   280,889 0 123,897
Allied World Assurance Company Holding COM H01531104 115,092 2,662,927 SH   SOLE   1,388,986 0 1,273,941
Allison Transmission Holdings Inc. COM 01973R101 16 554 SH   SOLE   554 0 0
Allscripts Healthcare Solutions Inc. COM 01988P108 27,607 2,018,064 SH   SOLE   912,713 0 1,105,351
Altera Corporation COM 021441100 15,935 311,223 SH   SOLE   204,343 0 106,880
Altra Industrial Motion Corp. COM 02208R106 11,141 409,894 SH   SOLE   150,167 0 259,727
American Airlines Group Inc. COM 02376R102 109,396 2,739,340 SH   SOLE   1,902,024 0 837,316
American Eagle Outfitters Inc. COM 02553E106 44,174 2,565,285 SH   SOLE   972,337 0 1,592,948
American Express Company COM 025816109 1,787 22,999 SH   SOLE   22,999 0 0
American International Group Inc. COM 026874784 2,125 34,377 SH   SOLE   34,377 0 0
American Water Works Company Inc. COM 030420103 28 569 SH   SOLE   569 0 0
Amgen Inc. COM 031162100 2,451 15,967 SH   SOLE   15,967 0 0
Amphenol Corporation Class A COM 032095101 82,994 1,431,664 SH   SOLE   977,314 0 454,350
AmSurg Corp. COM 03232P405 19,642 280,803 SH   SOLE   106,812 0 173,991
Analog Devices Inc. COM 032654105 63,957 996,454 SH   SOLE   695,451 0 301,003
Aon plc COM G0408V102 99,507 998,266 SH   SOLE   686,672 0 311,594
Apple Inc. COM 037833100 3,464 27,621 SH   SOLE   27,621 0 0
Argo Group International Holdings Ltd. COM G0464B107 73,697 1,323,111 SH   SOLE   543,804 0 779,307
Armstrong World Industries Inc. COM 04247X102 14,508 272,298 SH   SOLE   179,245 0 93,053
Artisan Partners Asset Management Inc. COM 04316A108 8,923 192,064 SH   SOLE   126,287 0 65,777
Ascena Retail Group Inc. COM 04351G101 23,568 1,415,071 SH   SOLE   527,530 0 887,541
Aspen Insurance Holdings Limited COM G05384105 47,022 981,663 SH   SOLE   370,260 0 611,403
Atmel Corporation COM 049513104 9,441 958,009 SH   SOLE   630,426 0 327,583
Autoliv Inc. COM 052800109 15,308 131,115 SH   SOLE   86,180 0 44,935
Avago Technologies Limited COM Y0486S104 39,507 297,200 SH   SOLE   212,453 0 84,747
Avalanche Biotechnologies Inc COM 05337G107 13,000 800,499 SH   SOLE   306,075 0 494,424
B/E Aerospace Inc. COM 073302101 24 446 SH   SOLE   446 0 0
Beacon Roofing Supply Inc. COM 073685109 76,196 2,293,671 SH   SOLE   1,015,805 0 1,277,866
Bed Bath & Beyond Inc. COM 075896100 13 194 SH   SOLE   194 0 0
Belden Inc. COM 077454106 124,399 1,531,442 SH   SOLE   802,377 0 729,065
Benefitfocus Inc. COM 08180D106 11,289 257,441 SH   SOLE   99,599 0 157,842
Berry Plastics Group Inc. COM 08579W103 42,460 1,310,490 SH   SOLE   899,035 0 411,455
Bill Barrett Corporation COM 06846N104 23,009 2,678,626 SH   SOLE   1,003,824 0 1,674,802
BioDelivery Sciences International Inc COM 09060J106 1,661 208,683 SH   SOLE   79,378 0 129,305
Biogen Inc. COM 09062X103 2,118 5,243 SH   SOLE   5,243 0 0
BioMarin Pharmaceutical Inc. COM 09061G101 60,433 441,823 SH   SOLE   301,596 0 140,227
Blackhawk Network Holdings Inc COM 09238E104 53,603 1,301,050 SH   SOLE   609,639 0 691,411
BlackRock Inc. COM 09247X101 2,294 6,631 SH   SOLE   6,631 0 0
bluebird bio Inc. COM 09609G100 3,713 22,052 SH   SOLE   8,388 0 13,664
Boise Cascade Co. COM 09739D100 41,003 1,117,869 SH   SOLE   541,309 0 576,560
Bonanza Creek Energy Inc. COM 097793103 17,475 957,535 SH   SOLE   366,597 0 590,938
Boot Barn Holdings Inc. COM 099406100 920 28,760 SH   SOLE   9,360 0 19,400
Boston Properties Inc. COM 101121101 15 120 SH   SOLE   120 0 0
Boston Scientific Corporation COM 101137107 17 975 SH   SOLE   975 0 0
Brady Corporation Class A COM 104674106 23,219 938,504 SH   SOLE   356,711 0 581,793
Briggs & Stratton Corporation COM 109043109 13,627 707,538 SH   SOLE   260,931 0 446,607
Bright Horizons Family Solutions Inc. COM 109194100 55,086 953,049 SH   SOLE   658,200 0 294,849
Brightcove Inc. COM 10921T101 16,649 2,426,997 SH   SOLE   1,604,024 0 822,973
Broadcom Corporation Class A COM 111320107 3,044 59,121 SH   SOLE   59,121 0 0
Brown-Forman Corporation Class B COM 115637209 60,127 600,188 SH   SOLE   426,865 0 173,323
Brunswick Corporation COM 117043109 76,863 1,511,267 SH   SOLE   1,036,608 0 474,659
Cabot Corporation COM 127055101 27,162 728,405 SH   SOLE   363,932 0 364,473
Cabot Oil & Gas Corporation COM 127097103 14,549 461,283 SH   SOLE   303,023 0 158,260
Cadence Design Systems Inc. COM 127387108 31,649 1,609,827 SH   SOLE   1,107,785 0 502,042
CaesarStone Sdot-Yam Ltd. COM M20598104 77,689 1,133,491 SH   SOLE   652,985 0 480,506
Callidus Software Inc. COM 13123E500 28,183 1,808,923 SH   SOLE   693,177 0 1,115,746
Campus Crest Communities Inc. COM 13466Y105 17,486 3,156,278 SH   SOLE   1,246,840 0 1,909,438
Career Education Corporation COM 141665109 22,295 6,756,199 SH   SOLE   3,168,171 0 3,588,028
Carlisle Companies Incorporated COM 142339100 45,126 450,720 SH   SOLE   209,236 0 241,484
Carrizo Oil & Gas Inc. COM 144577103 177,991 3,614,772 SH   SOLE   2,222,113 0 1,392,659
Catamaran Corporation COM 148887102 15,514 253,987 SH   SOLE   168,345 0 85,642
CDK Global Inc COM 12508E101 59,669 1,105,389 SH   SOLE   780,829 0 324,560
CEB Inc. COM 125134106 48,294 554,717 SH   SOLE   381,588 0 173,129
Celadon Group Inc. COM 150838100 20,022 968,167 SH   SOLE   364,595 0 603,572
Celgene Corporation COM 151020104 2,129 18,398 SH   SOLE   18,398 0 0
Celldex Therapeutics Inc. COM 15117B103 62,945 2,495,832 SH   SOLE   947,681 0 1,548,151
Centene Corporation COM 15135B101 126,260 1,570,402 SH   SOLE   1,088,032 0 482,370
Central Garden & Pet Company Class A COM 153527205 19,963 1,749,632 SH   SOLE   663,726 0 1,085,906
Cerner Corporation COM 156782104 51,821 750,378 SH   SOLE   517,612 0 232,766
CF Industries Holdings Inc. COM 125269100 43,741 680,481 SH   SOLE   468,577 0 211,904
Chico's FAS Inc. COM 168615102 64,623 3,885,931 SH   SOLE   1,621,906 0 2,264,025
Chipotle Mexican Grill Inc. COM 169656105 33,302 55,045 SH   SOLE   35,971 0 19,074
CIBER Inc. COM 17163B102 15,819 4,585,348 SH   SOLE   1,596,184 0 2,989,164
Cigna Corporation COM 125509109 29 176 SH   SOLE   176 0 0
Cintas Corporation COM 172908105 47,340 559,642 SH   SOLE   385,430 0 174,212
CIT Group Inc. COM 125581801 23 505 SH   SOLE   505 0 0
Citizens Financial Group Inc. COM 174610105 22 802 SH   SOLE   802 0 0
Cloud Peak Energy Inc. COM 18911Q102 8,334 1,788,445 SH   SOLE   675,891 0 1,112,554
Coeur Mining Inc. COM 192108504 8,613 1,508,435 SH   SOLE   992,206 0 516,229
Cogent Communications Holdings Inc COM 19239V302 125,238 3,700,880 SH   SOLE   2,324,301 0 1,376,579
Cognizant Technology Solutions COM 192446102 2,938 48,098 SH   SOLE   48,098 0 0
Computer Sciences Corporation COM 205363104 29 446 SH   SOLE   446 0 0
CONSOL Energy Inc. COM 20854P109 3,921 180,346 SH   SOLE   117,496 0 62,850
Continental Resources Inc. COM 212015101 60,276 1,421,933 SH   SOLE   974,002 0 447,931
Control4 Corporation COM 21240D107 10,909 1,227,078 SH   SOLE   807,940 0 419,138
Cooper Companies Inc. COM 216648402 149,875 842,137 SH   SOLE   582,792 0 259,345
Copart Inc. COM 217204106 61,566 1,735,236 SH   SOLE   1,183,418 0 551,818
Cornerstone Ondemand Inc. COM 21925Y103 21,693 623,360 SH   SOLE   238,655 0 384,705
Cree Inc. COM 225447101 12,990 499,030 SH   SOLE   328,238 0 170,792
Crocs Inc. COM 227046109 31,352 2,131,356 SH   SOLE   795,758 0 1,335,598
CubeSmart COM 229663109 23 1,012 SH   SOLE   1,012 0 0
Cypress Semiconductor Corporation COM 232806109 34,635 2,945,126 SH   SOLE   1,626,358 0 1,318,768
Cytec Industries Inc. COM 232820100 89,202 1,473,675 SH   SOLE   878,165 0 595,510
Dana Holding Corporation COM 235825205 5,805 282,078 SH   SOLE   185,961 0 96,117
DaVita HealthCare Partners Inc. COM 23918K108 23 290 SH   SOLE   290 0 0
Deckers Outdoor Corporation COM 243537107 32,130 446,433 SH   SOLE   170,963 0 275,470
DexCom Inc. COM 252131107 192,553 2,407,516 SH   SOLE   1,354,772 0 1,052,744
Dollar General Corporation COM 256677105 108,678 1,397,968 SH   SOLE   961,535 0 436,433
Dollar Tree Inc. COM 256746108 40,472 512,371 SH   SOLE   352,365 0 160,006
Dorman Products Inc. COM 258278100 25,763 540,552 SH   SOLE   207,143 0 333,409
Dril-Quip Inc. COM 262037104 14,897 197,964 SH   SOLE   130,084 0 67,880
DSW Inc. Class A COM 23334L102 159,468 4,778,797 SH   SOLE   2,629,844 0 2,148,953
DTS Inc. COM 23335C101 21,625 709,264 SH   SOLE   466,545 0 242,719
Dunkin' Brands Group Inc. COM 265504100 47,668 866,684 SH   SOLE   568,364 0 298,320
E*TRADE Financial Corporation COM 269246401 100,061 3,340,946 SH   SOLE   2,309,601 0 1,031,345
Eagle Materials Inc. COM 26969P108 141,986 1,860,162 SH   SOLE   1,132,523 0 727,639
Edison International COM 281020107 45 801 SH   SOLE   801 0 0
Edwards Lifesciences Corporation COM 28176E108 20,878 146,584 SH   SOLE   95,584 0 51,000
Electronic Arts Inc. COM 285512109 239,301 3,598,511 SH   SOLE   2,512,385 0 1,086,126
Ellie Mae Inc. COM 28849P100 112,637 1,613,945 SH   SOLE   763,824 0 850,121
Encore Wire Corporation COM 292562105 24,585 555,082 SH   SOLE   241,402 0 313,680
Endurance Specialty Holdings Ltd. COM G30397106 41,344 629,290 SH   SOLE   235,231 0 394,059
Envestnet Inc. COM 29404K106 6,628 163,929 SH   SOLE   62,841 0 101,088
Envision Healthcare Holdings Inc. COM 29413U103 7,676 194,419 SH   SOLE   153,840 0 40,579
EP Energy Corp. Class A COM 268785102 25 1,935 SH   SOLE   1,935 0 0
Equifax Inc. COM 294429105 59,294 610,713 SH   SOLE   420,046 0 190,667
Euronet Worldwide Inc. COM 298736109 8,768 142,100 SH   SOLE   97,343 0 44,757
Everest RE Group Ltd. COM G3223R108 24,251 133,239 SH   SOLE   88,489 0 44,750
Fair Isaac Corporation COM 303250104 80,775 889,789 SH   SOLE   529,574 0 360,215
Fairchild Semiconductor International COM 303726103 47,449 2,730,078 SH   SOLE   1,318,578 0 1,411,500
Fidelity National Financial Inc - FNF COM 31620R303 23 620 SH   SOLE   620 0 0
Fidelity National Information Services COM 31620M106 55 886 SH   SOLE   886 0 0
Fiesta Restaurant Group Inc. COM 31660B101 24,454 489,087 SH   SOLE   187,571 0 301,516
First Horizon National Corporation COM 320517105 47,894 3,056,411 SH   SOLE   1,132,641 0 1,923,770
First Midwest Bancorp Inc. COM 320867104 43,319 2,283,544 SH   SOLE   823,187 0 1,460,357
FleetMatics Group Ltd. COM G35569105 86,011 1,836,662 SH   SOLE   1,021,067 0 815,595
Flextronics International Ltd. COM Y2573F102 23,594 2,086,123 SH   SOLE   1,363,580 0 722,543
FLIR Systems Inc. COM 302445101 17,646 572,542 SH   SOLE   216,528 0 356,014
Flushing Financial Corporation COM 343873105 33,825 1,609,924 SH   SOLE   718,099 0 891,825
FMC Corporation COM 302491303 21,858 415,954 SH   SOLE   303,048 0 112,906
Fortinet Inc. COM 34959E109 202,288 4,894,450 SH   SOLE   3,047,769 0 1,846,681
Fox Factory Holding Corp. COM 35138V102 49,977 3,108,007 SH   SOLE   1,681,765 0 1,426,242
Freeport-McMoRan Inc. COM 35671D857 11 594 SH   SOLE   594 0 0
FTI Consulting Inc. COM 302941109 27,301 661,993 SH   SOLE   250,907 0 411,086
Furmanite Corporation COM 361086101 12,367 1,522,992 SH   SOLE   568,531 0 954,461
Gartner Inc. COM 366651107 35,278 411,264 SH   SOLE   272,177 0 139,087
Generac Holdings Inc. COM 368736104 21,444 539,482 SH   SOLE   207,401 0 332,081
Genesee & Wyoming Inc. Class A COM 371559105 1,774 23,285 SH   SOLE   23,285 0 0
Global Eagle Entertainment Inc. COM 37951D102 37,720 2,897,065 SH   SOLE   2,037,155 0 859,910
Global Payments Inc. COM 37940X102 124,790 1,206,288 SH   SOLE   822,296 0 383,992
Globe Specialty Metals Inc. COM 37954N206 42,213 2,384,914 SH   SOLE   1,307,342 0 1,077,572
GNC Holdings Inc. Class A COM 36191G107 62,423 1,403,391 SH   SOLE   977,709 0 425,682
Gogo Inc. COM 38046C109 41,318 1,928,063 SH   SOLE   1,169,995 0 758,068
Google Inc. Class C COM 38259P706 2,749 5,281 SH   SOLE   5,281 0 0
Green Dot Corporation Class A COM 39304D102 9,627 503,519 SH   SOLE   331,655 0 171,864
Hain Celestial Group Inc. COM 405217100 76,563 1,162,516 SH   SOLE   797,382 0 365,134
Harman International Industries Incorp COM 413086109 145,744 1,225,356 SH   SOLE   747,052 0 478,304
Harsco Corporation COM 415864107 34,751 2,106,134 SH   SOLE   1,025,470 0 1,080,664
Hawaiian Holdings Inc. COM 419879101 946 39,820 SH   SOLE   26,169 0 13,651
HCC Insurance Holdings Inc. COM 404132102 77,008 1,002,180 SH   SOLE   444,284 0 557,896
HealthSouth Corporation COM 421924309 125,198 2,718,153 SH   SOLE   1,466,667 0 1,251,486
HeartWare International Inc. COM 422368100 8,894 122,361 SH   SOLE   80,631 0 41,730
HNI Corporation COM 404251100 36,298 709,638 SH   SOLE   260,300 0 449,338
Horsehead Holding Corp. COM 440694305 4,035 344,247 SH   SOLE   225,267 0 118,980
Host Hotels & Resorts Inc. COM 44107P104 30 1,493 SH   SOLE   1,493 0 0
Humana Inc. COM 444859102 54,945 287,250 SH   SOLE   197,678 0 89,572
Illumina Inc. COM 452327109 162,711 745,152 SH   SOLE   524,831 0 220,321
IMAX Corporation COM 45245E109 125,877 3,125,832 SH   SOLE   2,014,560 0 1,111,272
Incyte Corporation COM 45337C102 87,088 835,693 SH   SOLE   579,590 0 256,103
Ingram Micro Inc. Class A COM 457153104 25,702 1,026,866 SH   SOLE   385,293 0 641,573
Insight Enterprises Inc. COM 45765U103 33,632 1,124,440 SH   SOLE   416,775 0 707,665
Insulet Corporation COM 45784P101 53,055 1,712,278 SH   SOLE   1,146,251 0 566,027
Insys Therapeutics Inc. COM 45824V209 10,151 282,589 SH   SOLE   107,345 0 175,244
Integrated Device Technology Inc. COM 458118106 60,351 2,781,146 SH   SOLE   1,282,748 0 1,498,398
Intercept Pharmaceuticals Inc. COM 45845P108 10,619 43,993 SH   SOLE   16,734 0 27,259
International Speedway Corporation Cla COM 460335201 3,303 90,069 SH   SOLE   30,417 0 59,652
Interoil Corporation COM 460951106 50,438 837,846 SH   SOLE   562,973 0 274,873
Intersect ENT Inc COM 46071F103 2,832 98,927 SH   SOLE   63,517 0 35,410
Intrexon Corporation COM 46122T102 76,295 1,563,422 SH   SOLE   597,391 0 966,031
Invensense Inc. COM 46123D205 19,171 1,269,603 SH   SOLE   641,897 0 627,706
Itron Inc. COM 465741106 38,792 1,126,358 SH   SOLE   581,620 0 544,738
J.B. Hunt Transport Services Inc. COM 445658107 80,570 981,487 SH   SOLE   679,687 0 301,800
Jabil Circuit Inc. COM 466313103 55,030 2,584,770 SH   SOLE   1,182,810 0 1,401,960
Jack Henry & Associates Inc. COM 426281101 86,767 1,341,071 SH   SOLE   735,728 0 605,343
James River Group Holdings Ltd COM G5005R107 7,478 289,050 SH   SOLE   108,121 0 180,929
JetBlue Airways Corporation COM 477143101 28,471 1,371,454 SH   SOLE   901,174 0 470,280
Jones Lang LaSalle Incorporated COM 48020Q107 36,316 212,372 SH   SOLE   80,930 0 131,442
JPMorgan Chase & Co. COM 46625H100 1,983 29,270 SH   SOLE   29,270 0 0
Kansas City Southern COM 485170302 7,286 79,888 SH   SOLE   52,738 0 27,150
KAR Auction Services Inc. COM 48238T109 113,954 3,046,908 SH   SOLE   1,758,588 0 1,288,320
KBR Inc. COM 48242W106 4,432 227,517 SH   SOLE   150,087 0 77,430
Kennametal Inc. COM 489170100 17 498 SH   SOLE   498 0 0
Kirby Corporation COM 497266106 47,463 619,136 SH   SOLE   375,896 0 243,240
Kite Pharma Inc. COM 49803L109 60,702 995,604 SH   SOLE   380,441 0 615,163
Kohl's Corporation COM 500255104 13 212 SH   SOLE   212 0 0
Kraton Performance Polymers Inc. COM 50077C106 58,100 2,432,996 SH   SOLE   1,267,109 0 1,165,887
Kulicke & Soffa Industries Inc. COM 501242101 8,137 694,909 SH   SOLE   283,148 0 411,761
L Brands Inc. COM 501797104 56,329 657,602 SH   SOLE   447,905 0 209,697
Laboratory Corporation of America Hold COM 50540R409 20 169 SH   SOLE   169 0 0
Lam Research Corporation COM 512807108 58,958 724,749 SH   SOLE   495,969 0 228,780
Lennox International Inc. COM 526107107 37,942 352,330 SH   SOLE   231,845 0 120,485
Leucadia National Corporation COM 527288104 13,209 544,016 SH   SOLE   360,633 0 183,383
LGI Homes Inc. COM 50187T106 10,764 544,192 SH   SOLE   204,343 0 339,849
Liberty Interactive Corporation QVC Gr COM 53071M104 37 1,347 SH   SOLE   1,347 0 0
Lions Gate Entertainment Corp. COM 535919203 27,972 754,993 SH   SOLE   499,498 0 255,495
Littelfuse Inc. COM 537008104 11,767 124,011 SH   SOLE   46,119 0 77,892
LKQ Corporation COM 501889208 151,222 4,999,909 SH   SOLE   2,927,532 0 2,072,377
Louisiana-Pacific Corporation COM 546347105 30,534 1,792,969 SH   SOLE   1,166,459 0 626,510
LPL Financial Holdings Inc. COM 50212V100 11,228 241,524 SH   SOLE   158,774 0 82,750
LSB Industries Inc. COM 502160104 15,972 391,082 SH   SOLE   147,455 0 243,627
Lululemon Athletica Inc COM 550021109 43,159 660,933 SH   SOLE   454,695 0 206,238
M&T Bank Corporation COM 55261F104 19 152 SH   SOLE   152 0 0
MarineMax Inc. COM 567908108 14,237 605,586 SH   SOLE   392,647 0 212,939
Martin Marietta Materials Inc. COM 573284106 13,209 93,346 SH   SOLE   61,816 0 31,530
MasTec Inc. COM 576323109 55,113 2,773,677 SH   SOLE   1,177,904 0 1,595,773
Mattson Technology Inc. COM 577223100 6,584 1,965,239 SH   SOLE   1,291,951 0 673,288
Maxim Integrated Products Inc. COM 57772K101 18,194 526,230 SH   SOLE   349,140 0 177,090
MAXIMUS Inc. COM 577933104 10,123 154,004 SH   SOLE   59,326 0 94,678
McDermott International Inc. COM 580037109 30,664 5,742,402 SH   SOLE   3,770,919 0 1,971,483
MDU Resources Group Inc. COM 552690109 11,630 595,519 SH   SOLE   223,154 0 372,365
Mead Johnson Nutrition Company COM 582839106 31,627 350,550 SH   SOLE   242,618 0 107,932
Medicines Company COM 584688105 35,953 1,256,653 SH   SOLE   477,267 0 779,386
Medidata Solutions Inc. COM 58471A105 33,501 616,729 SH   SOLE   234,172 0 382,557
Medivation Inc. COM 58501N101 38,153 334,091 SH   SOLE   229,915 0 104,176
MEDNAX Inc. COM 58502B106 181,356 2,447,117 SH   SOLE   1,351,617 0 1,095,500
Merit Medical Systems Inc. COM 589889104 27,713 1,286,588 SH   SOLE   477,914 0 808,674
Meritor Inc. COM 59001K100 51,935 3,958,475 SH   SOLE   1,916,997 0 2,041,478
MFA Financial Inc. COM 55272X102 17 2,273 SH   SOLE   2,273 0 0
MGM Resorts International COM 552953101 23,387 1,281,473 SH   SOLE   923,172 0 358,301
Micron Technology Inc. COM 595112103 13 693 SH   SOLE   693 0 0
Modine Manufacturing Company COM 607828100 43,217 4,027,646 SH   SOLE   1,677,348 0 2,350,298
Molina Healthcare Inc. COM 60855R100 79,689 1,133,551 SH   SOLE   579,114 0 554,437
Monolithic Power Systems Inc. COM 609839105 46,828 923,439 SH   SOLE   644,560 0 278,879
Monster Beverage Corporation COM 61174X109 42,050 313,756 SH   SOLE   216,138 0 97,618
MRC Global Inc. COM 55345K103 27,912 1,807,762 SH   SOLE   879,961 0 927,801
MSA Safety Inc. COM 553498106 17,964 370,312 SH   SOLE   126,984 0 243,328
Mylan N.V. COM N59465109 33,648 495,841 SH   SOLE   341,004 0 154,837
Myriad Genetics Inc. COM 62855J104 38,613 1,136,006 SH   SOLE   551,343 0 584,663
National Retail Properties Inc. COM 637417106 28,166 804,503 SH   SOLE   310,206 0 494,297
Natural Grocers by Vitamin Cottage Inc COM 63888U108 25,667 1,042,507 SH   SOLE   398,987 0 643,520
Navigators Group Inc. COM 638904102 55,574 716,535 SH   SOLE   268,817 0 447,718
NETGEAR Inc. COM 64111Q104 15,559 518,300 SH   SOLE   194,623 0 323,677
New Relic Inc. COM 64829B100 264 7,500 SH   SOLE   3,982 0 3,518
Noble Energy Inc. COM 655044105 20 462 SH   SOLE   462 0 0
Noodles & Co. Class A COM 65540B105 5,012 343,265 SH   SOLE   132,156 0 211,109
Northern Trust Corporation COM 665859104 25 326 SH   SOLE   326 0 0
NRG Energy Inc. COM 629377508 25 1,098 SH   SOLE   1,098 0 0
Nuance Communications Inc. COM 67020Y100 7,430 424,330 SH   SOLE   283,840 0 140,490
NXP Semiconductors NV COM N6596X109 120,621 1,228,320 SH   SOLE   865,037 0 363,283
Oasis Petroleum Inc. COM 674215108 17,316 1,092,500 SH   SOLE   418,421 0 674,079
ON Semiconductor Corporation COM 682189105 53,236 4,553,949 SH   SOLE   2,076,875 0 2,477,074
Oracle Corporation COM 68389X105 1,868 46,359 SH   SOLE   46,359 0 0
O'Reilly Automotive Inc. COM 67103H107 73,364 324,647 SH   SOLE   223,149 0 101,498
P. H. Glatfelter Company COM 377316104 14,749 670,709 SH   SOLE   251,481 0 419,228
PacWest Bancorp COM 695263103 44,365 948,781 SH   SOLE   623,697 0 325,084
Pall Corporation COM 696429307 16,777 134,813 SH   SOLE   88,546 0 46,267
PAREXEL International Corporation COM 699462107 105,102 1,634,299 SH   SOLE   1,015,579 0 618,720
Parkway Properties Inc. COM 70159Q104 27,018 1,549,197 SH   SOLE   597,770 0 951,427
Pericom Semiconductor Corporation COM 713831105 13,317 1,012,678 SH   SOLE   382,484 0 630,194
PerkinElmer Inc. COM 714046109 15 288 SH   SOLE   288 0 0
Perrigo Co. Plc COM G97822103 64,598 349,502 SH   SOLE   240,239 0 109,263
Piedmont Natural Gas Company Inc. COM 720186105 16,033 454,059 SH   SOLE   161,752 0 292,307
Pinnacle Financial Partners Inc. COM 72346Q104 38,961 716,597 SH   SOLE   268,580 0 448,017
Popular Inc. COM 733174700 64,303 2,228,118 SH   SOLE   1,014,217 0 1,213,901
Portland General Electric Company COM 736508847 38,853 1,171,680 SH   SOLE   424,107 0 747,573
Power Integrations Inc. COM 739276103 7,608 168,397 SH   SOLE   64,553 0 103,844
Premiere Global Services Inc. COM 740585104 17,925 1,741,979 SH   SOLE   1,146,456 0 595,523
Primoris Services Corporation COM 74164F103 19,272 973,331 SH   SOLE   373,789 0 599,542
PTC Therapeutics Inc. COM 69366J200 29,779 618,725 SH   SOLE   235,003 0 383,722
Puma Biotechnology Inc. COM 74587V107 1,538 13,171 SH   SOLE   5,000 0 8,171
PVH Corp. COM 693656100 25 214 SH   SOLE   214 0 0
QIAGEN NV COM N72482107 9,459 381,563 SH   SOLE   252,543 0 129,020
QLogic Corporation COM 747277101 100,692 7,095,990 SH   SOLE   3,074,123 0 4,021,867
Qorvo Inc. COM 74736K101 200,071 2,492,472 SH   SOLE   1,368,388 0 1,124,084
Quanta Services Inc. COM 74762E102 39,197 1,360,046 SH   SOLE   654,124 0 705,922
QuickLogic Corporation COM 74837P108 8,730 5,490,752 SH   SOLE   3,676,874 0 1,813,878
QuinStreet Inc. COM 74874Q100 6,710 1,040,373 SH   SOLE   685,107 0 355,266
Ralph Lauren Corporation Class A COM 751212101 32 240 SH   SOLE   240 0 0
Raymond James Financial Inc. COM 754730109 249,062 4,180,302 SH   SOLE   2,384,845 0 1,795,457
RealPage Inc. COM 75606N109 23,163 1,214,654 SH   SOLE   465,623 0 749,031
Red Hat Inc. COM 756577102 67,173 884,672 SH   SOLE   609,223 0 275,449
Renasant Corporation COM 75970E107 45,346 1,390,984 SH   SOLE   524,586 0 866,398
Rentrak Corporation COM 760174102 11,368 162,866 SH   SOLE   62,741 0 100,125
Ritchie Bros. Auctioneers Incorporated COM 767744105 28,481 1,020,099 SH   SOLE   465,244 0 554,855
RLJ Lodging Trust COM 74965L101 28 941 SH   SOLE   941 0 0
Rogers Corporation COM 775133101 29,157 440,838 SH   SOLE   289,901 0 150,937
Roper Technologies Inc. COM 776696106 66,930 388,092 SH   SOLE   267,825 0 120,267
Ross Stores Inc. COM 778296103 97,011 1,995,696 SH   SOLE   1,374,032 0 621,664
Rovi Corporation COM 779376102 69,301 4,344,899 SH   SOLE   2,534,636 0 1,810,263
RTI International Metals Inc. COM 74973W107 639 20,274 SH   SOLE   20,274 0 0
Saia Inc. COM 78709Y105 26,267 668,534 SH   SOLE   333,977 0 334,557
Sangamo BioSciences Inc. COM 800677106 21,089 1,901,604 SH   SOLE   869,628 0 1,031,976
Santander Consumer USA Holdings Inc. COM 80283M101 27 1,045 SH   SOLE   1,045 0 0
SeaChange International Inc. COM 811699107 10,167 1,450,293 SH   SOLE   966,795 0 483,498
Selective Insurance Group Inc. COM 816300107 52,668 1,877,632 SH   SOLE   790,436 0 1,087,196
Semtech Corporation COM 816850101 34,230 1,724,432 SH   SOLE   727,224 0 997,208
Sherwin-Williams Company COM 824348106 109,376 397,703 SH   SOLE   273,574 0 124,129
Signature Bank COM 82669G104 162,704 1,111,443 SH   SOLE   652,861 0 458,582
Silicon Laboratories Inc. COM 826919102 32,664 604,772 SH   SOLE   274,013 0 330,759
Silver Spring Networks Inc. COM 82817Q103 16,018 1,290,759 SH   SOLE   856,141 0 434,618
Skullcandy Inc. COM 83083J104 10,493 1,368,021 SH   SOLE   514,086 0 853,935
Skyworks Solutions Inc. COM 83088M102 52,258 501,994 SH   SOLE   330,375 0 171,619
SLM Corp COM 78442P106 31 3,177 SH   SOLE   3,177 0 0
Southwest Gas Corporation COM 844895102 21,408 402,332 SH   SOLE   146,687 0 255,645
Spirit Airlines Inc. COM 848577102 70,577 1,136,503 SH   SOLE   785,943 0 350,560
Stericycle Inc. COM 858912108 43,632 325,828 SH   SOLE   225,223 0 100,605
Stock Building Supply Holdings Inc. COM 86101X104 23,250 1,189,246 SH   SOLE   697,030 0 492,216
SunEdison Inc. COM 86732Y109 23,128 773,239 SH   SOLE   511,889 0 261,350
SVB Financial Group COM 78486Q101 35,480 246,422 SH   SOLE   169,551 0 76,871
Swift Transportation Company Class A COM 87074U101 26,788 1,181,669 SH   SOLE   504,153 0 677,516
Synaptics Incorporated COM 87157D109 85,316 983,645 SH   SOLE   626,693 0 356,952
Synchronoss Technologies Inc. COM 87157B103 13,450 294,128 SH   SOLE   113,310 0 180,818
Tandem Diabetes Care Inc. COM 875372104 19,024 1,754,967 SH   SOLE   1,154,692 0 600,275
Tangoe Inc. COM 87582Y108 45,807 3,641,247 SH   SOLE   1,636,134 0 2,005,113
Tenneco Inc. COM 880349105 5,430 94,527 SH   SOLE   62,957 0 31,570
Tessera Technologies Inc. COM 88164L100 64,587 1,700,551 SH   SOLE   951,834 0 748,717
Teva Pharmaceutical Industries Limited COM 881624209 1,454 24,600 SH   SOLE   24,600 0 0
Tilly's Inc. Class A COM 886885102 12,389 1,281,228 SH   SOLE   490,715 0 790,513
TiVo Inc. COM 888706108 16,083 1,586,104 SH   SOLE   1,043,227 0 542,877
TJX Companies Inc. COM 872540109 2,848 43,034 SH   SOLE   43,034 0 0
TransUnion COM 89400J107 9,592 382,135 SH   SOLE   145,904 0 236,231
Trex Company Inc. COM 89531P105 16,972 343,356 SH   SOLE   227,396 0 115,960
Tronox Ltd. COM Q9235V101 15,132 1,034,327 SH   SOLE   680,877 0 353,450
Ultratech Inc COM 904034105 35,219 1,897,600 SH   SOLE   1,097,957 0 799,643
Unilife Corporation COM 90478E103 18,972 8,823,960 SH   SOLE   4,149,911 0 4,674,049
United Continental Holdings Inc. COM 910047109 115,025 2,169,878 SH   SOLE   1,429,323 0 740,555
United Natural Foods Inc. COM 911163103 58,148 913,122 SH   SOLE   627,094 0 286,028
United Therapeutics Corporation COM 91307C102 20,890 120,094 SH   SOLE   74,529 0 45,565
UnitedHealth Group Incorporated COM 91324P102 2,999 24,583 SH   SOLE   24,583 0 0
Unitil Corporation COM 913259107 21,769 659,269 SH   SOLE   264,876 0 394,393
Universal Display Corporation COM 91347P105 20,691 399,979 SH   SOLE   263,069 0 136,910
Universal Health Services Inc. Class B COM 913903100 77,075 542,401 SH   SOLE   374,875 0 167,526
UTi Worldwide Inc. COM G87210103 25,561 2,558,647 SH   SOLE   1,778,521 0 780,126
V.F. Corporation COM 918204108 514 7,473 SH   SOLE   7,473 0 0
Vantiv Inc. Class A COM 92210H105 69,713 1,825,414 SH   SOLE   1,254,022 0 571,392
VeriFone Systems Inc. COM 92342Y109 8,079 237,910 SH   SOLE   157,360 0 80,550
Virtusa Corporation COM 92827P102 17,672 343,806 SH   SOLE   129,258 0 214,548
Vitamin Shoppe Inc. COM 92849E101 9,970 267,509 SH   SOLE   182,298 0 85,211
Volaris Aviation Holding Company ADR C COM 21240E105 31,908 2,672,385 SH   SOLE   1,762,215 0 910,170
W. R. Berkley Corporation COM 084423102 20,769 399,940 SH   SOLE   264,080 0 135,860
W.P. Carey Inc. COM 92936U109 38 649 SH   SOLE   649 0 0
W.W. Grainger Inc. COM 384802104 12 49 SH   SOLE   49 0 0
Wabash National Corporation COM 929566107 6,412 511,353 SH   SOLE   336,411 0 174,942
WABCO Holdings Inc. COM 92927K102 61,962 500,822 SH   SOLE   233,474 0 267,348
Waddell & Reed Financial Inc. Class A COM 930059100 6,658 140,724 SH   SOLE   93,064 0 47,660
Washington Federal Inc. COM 938824109 31,123 1,332,886 SH   SOLE   498,884 0 834,002
Watsco Inc. COM 942622200 117,510 949,650 SH   SOLE   422,144 0 527,506
Web.com Group Inc. COM 94733A104 36,283 1,498,057 SH   SOLE   662,123 0 835,934
WESCO International Inc. COM 95082P105 40,743 593,576 SH   SOLE   225,258 0 368,318
Westar Energy Inc. COM 95709T100 33,422 976,689 SH   SOLE   367,139 0 609,550
Western Digital Corporation COM 958102105 21 268 SH   SOLE   268 0 0
Westinghouse Air Brake Technologies Co COM 929740108 113,423 1,203,551 SH   SOLE   828,931 0 374,620
WEX Inc. COM 96208T104 3,216 28,222 SH   SOLE   10,812 0 17,410
Weyerhaeuser Company COM 962166104 60 1,894 SH   SOLE   1,894 0 0
Wisdomtree Investments Inc. COM 97717P104 42,803 1,948,706 SH   SOLE   1,336,291 0 612,415
WPX Energy Inc. Class A COM 98212B103 48,524 3,951,443 SH   SOLE   2,032,552 0 1,918,891
WSFS Financial Corporation COM 929328102 41,769 1,527,218 SH   SOLE   663,443 0 863,775
Zions Bancorporation COM 989701107 26 817 SH   SOLE   817 0 0
Zynga Inc. Class A COM 98986T108 22,193 7,759,718 SH   SOLE   5,323,784 0 2,435,934