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 24,582 1,576,749 SH   SOLE   791,454 0 785,295
A. O. Smith Corporation COM 831865209 42,640 901,866 SH   SOLE   370,284 0 531,582
AbbVie Inc. COM 00287Y109 3,070 53,146 SH   SOLE   53,146 0 0
ACE Limited COM H0023R105 3,535 33,704 SH   SOLE   33,704 0 0
Actavis Plc COM G0083B108 7,590 31,456 SH   SOLE   31,456 0 0
Actuant Corporation Class A COM 00508X203 31 1,020 SH   SOLE   1,020 0 0
ADTRAN Inc. COM 00738A106 4,219 205,502 SH   SOLE   141,342 0 64,160
Advance Auto Parts Inc. COM 00751Y106 55,107 422,925 SH   SOLE   286,140 0 136,785
Advanced Energy Industries Inc. COM 007973100 27,335 1,454,746 SH   SOLE   585,752 0 868,994
Advent Software Inc. COM 007974108 10,993 348,334 SH   SOLE   239,435 0 108,899
Advisory Board Company COM 00762W107 22,852 490,500 SH   SOLE   197,840 0 292,660
Agnico-Eagle Mines Limited COM 008474108 16,894 581,954 SH   SOLE   397,564 0 184,390
Akamai Technologies Inc. COM 00971T101 75,437 1,261,488 SH   SOLE   874,586 0 386,902
Albemarle Corporation COM 012653101 15,442 262,180 SH   SOLE   180,430 0 81,750
Alkermes Plc COM G01767105 130,488 3,043,818 SH   SOLE   1,739,690 0 1,304,128
Allegheny Technologies Incorporated COM 01741R102 20,490 552,298 SH   SOLE   379,338 0 172,960
Alliance Data Systems Corporation COM 018581108 77,624 312,658 SH   SOLE   211,363 0 101,295
Allied World Assurance Company Holding COM H01531104 84,048 2,281,446 SH   SOLE   1,189,040 0 1,092,406
Allscripts Healthcare Solutions Inc. COM 01988P108 40,178 2,994,977 SH   SOLE   1,616,894 0 1,378,083
Altera Corporation COM 021441100 12,026 336,101 SH   SOLE   229,221 0 106,880
Altra Industrial Motion Corp. COM 02208R106 32,932 1,129,361 SH   SOLE   439,263 0 690,098
American Airlines Group Inc. COM 02376R102 102,785 2,896,987 SH   SOLE   1,888,444 0 1,008,543
American Eagle Outfitters Inc. COM 02553E106 31,441 2,165,369 SH   SOLE   849,963 0 1,315,406
American International Group Inc. COM 026874784 3,707 68,627 SH   SOLE   68,627 0 0
American Water Works Company Inc. COM 030420103 33 679 SH   SOLE   679 0 0
Amgen Inc. COM 031162100 4,482 31,907 SH   SOLE   31,907 0 0
Amphenol Corporation Class A COM 032095101 80,526 806,392 SH   SOLE   547,902 0 258,490
Aon plc COM G0408V102 77,580 884,910 SH   SOLE   596,935 0 287,975
Apple Inc. COM 037833100 7,122 70,689 SH   SOLE   70,689 0 0
Ares Commercial Real Estate Corporatio COM 04013V108 8,658 740,600 SH   SOLE   498,893 0 241,707
Argo Group International Holdings Ltd. COM G0464B107 59,421 1,181,092 SH   SOLE   504,959 0 676,133
Armstrong World Industries Inc. COM 04247X102 14,525 259,370 SH   SOLE   179,410 0 79,960
Arthur J. Gallagher & Co. COM 363576109 45,660 1,006,607 SH   SOLE   680,887 0 325,720
Aspen Insurance Holdings Limited COM G05384105 36,366 850,271 SH   SOLE   330,439 0 519,832
Aspen Technology Inc. COM 045327103 11,619 308,036 SH   SOLE   127,004 0 181,032
Atmel Corporation COM 049513104 41,560 5,143,508 SH   SOLE   2,458,282 0 2,685,226
Autoliv Inc. COM 052800109 16,963 184,546 SH   SOLE   124,976 0 59,570
Avago Technologies Limited COM Y0486S104 87,954 1,010,960 SH   SOLE   682,945 0 328,015
Avalanche Biotechnologies Inc COM 05337G107 13,537 395,947 SH   SOLE   162,260 0 233,687
B/E Aerospace Inc. COM 073302101 110,953 1,321,818 SH   SOLE   879,358 0 442,460
Belden Inc. COM 077454106 105,451 1,647,159 SH   SOLE   904,555 0 742,604
Berry Plastics Group Inc. COM 08579W103 39,755 1,575,076 SH   SOLE   1,103,556 0 471,520
Bill Barrett Corporation COM 06846N104 19,578 888,304 SH   SOLE   345,267 0 543,037
BioMarin Pharmaceutical Inc. COM 09061G101 5,913 81,938 SH   SOLE   56,098 0 25,840
Blackhawk Network Holdings Inc COM 09238E104 15,559 480,208 SH   SOLE   195,608 0 284,600
Blackhawk Network Holdings Inc Class B COM 09238E203 7,896 244,450 SH   SOLE   183,940 0 60,510
BlackRock Inc. COM 09247X101 4,349 13,247 SH   SOLE   13,247 0 0
Boise Cascade Co. COM 09739D100 30,750 1,020,230 SH   SOLE   531,922 0 488,308
Briggs & Stratton Corporation COM 109043109 9,106 505,329 SH   SOLE   189,183 0 316,146
Bright Horizons Family Solutions Inc. COM 109194100 38,789 922,219 SH   SOLE   623,569 0 298,650
Brightcove Inc. COM 10921T101 13,055 2,339,679 SH   SOLE   1,595,852 0 743,827
Broadcom Corporation Class A COM 111320107 5,150 127,413 SH   SOLE   127,413 0 0
Brown-Forman Corporation Class B COM 115637209 55,431 614,398 SH   SOLE   437,369 0 177,029
Cabot Corporation COM 127055101 37,907 746,633 SH   SOLE   387,790 0 358,843
Cabot Microelectronics Corporation COM 12709P103 6,935 167,306 SH   SOLE   115,516 0 51,790
Cabot Oil & Gas Corporation COM 127097103 74,779 2,287,519 SH   SOLE   1,509,788 0 777,731
Cadence Design Systems Inc. COM 127387108 97,590 5,670,557 SH   SOLE   3,514,784 0 2,155,773
CaesarStone Sdot-Yam Ltd. COM M20598104 54,965 1,063,566 SH   SOLE   607,309 0 456,257
Callidus Software Inc. COM 13123E500 19,853 1,651,704 SH   SOLE   685,886 0 965,818
Cameron International Corporation COM 13342B105 72,576 1,093,348 SH   SOLE   765,029 0 328,319
Career Education Corporation COM 141665109 4,929 970,373 SH   SOLE   376,965 0 593,408
Carlisle Companies Incorporated COM 142339100 45,100 561,091 SH   SOLE   269,999 0 291,092
Carrizo Oil & Gas Inc. COM 144577103 212,911 3,955,976 SH   SOLE   2,414,842 0 1,541,134
Catamaran Corporation COM 148887102 20,025 475,089 SH   SOLE   339,886 0 135,203
Celadon Group Inc. COM 150838100 21,317 1,095,972 SH   SOLE   424,994 0 670,978
Celanese Corporation Class A COM 150870103 10,287 175,793 SH   SOLE   137,983 0 37,810
Celldex Therapeutics Inc. COM 15117B103 12,413 957,806 SH   SOLE   392,031 0 565,775
Centene Corporation COM 15135B101 90,793 1,097,733 SH   SOLE   652,903 0 444,830
Central Garden & Pet Company Class A COM 153527205 8,388 1,043,225 SH   SOLE   399,976 0 643,249
Cerner Corporation COM 156782104 40,574 681,113 SH   SOLE   459,360 0 221,753
Chico's FAS Inc. COM 168615102 46,998 3,181,958 SH   SOLE   1,399,252 0 1,782,706
Chipotle Mexican Grill Inc. COM 169656105 35,906 53,865 SH   SOLE   34,315 0 19,550
CIBER Inc. COM 17163B102 14,268 4,159,899 SH   SOLE   1,522,415 0 2,637,484
Cigna Corporation COM 125509109 34 371 SH   SOLE   371 0 0
CIT Group Inc. COM 125581801 26 563 SH   SOLE   563 0 0
CME Group Inc. Class A COM 12572Q105 3,362 42,050 SH   SOLE   42,050 0 0
Cogent Communications Holdings Inc COM 19239V302 147,172 4,378,815 SH   SOLE   2,578,287 0 1,800,528
Cognizant Technology Solutions COM 192446102 3,728 83,275 SH   SOLE   83,275 0 0
Computer Sciences Corporation COM 205363104 27 446 SH   SOLE   446 0 0
Comstock Resources Inc. COM 205768203 28,364 1,523,333 SH   SOLE   568,046 0 955,287
Concho Resources Inc. COM 20605P101 47,309 377,294 SH   SOLE   254,474 0 122,820
CONSOL Energy Inc. COM 20854P109 7,300 192,806 SH   SOLE   129,956 0 62,850
Continental Resources Inc. COM 212015101 102,161 1,536,711 SH   SOLE   1,001,711 0 535,000
Control4 Corporation COM 21240D107 7,795 602,889 SH   SOLE   343,736 0 259,153
Cooper Companies Inc. COM 216648402 169,142 1,085,987 SH   SOLE   718,985 0 367,002
Copart Inc. COM 217204106 40,278 1,286,214 SH   SOLE   854,159 0 432,055
Covance Inc. COM 222816100 4,680 59,468 SH   SOLE   45,997 0 13,471
Crocs Inc. COM 227046109 26,668 2,119,846 SH   SOLE   959,377 0 1,160,469
CubeSmart COM 229663109 21 1,181 SH   SOLE   1,181 0 0
Cypress Semiconductor Corporation COM 232806109 16,447 1,665,539 SH   SOLE   1,140,316 0 525,223
Cytec Industries Inc. COM 232820100 62,420 1,319,946 SH   SOLE   779,888 0 540,058
Dana Holding Corporation COM 235825205 22 1,133 SH   SOLE   1,133 0 0
DaVita HealthCare Partners Inc. COM 23918K108 36 494 SH   SOLE   494 0 0
Delphi Automotive PLC COM G27823106 283 4,607 SH   SOLE   4,607 0 0
DexCom Inc. COM 252131107 86,637 2,166,470 SH   SOLE   1,164,923 0 1,001,547
Discovery Communications Inc. Class A COM 25470F104 21,963 581,041 SH   SOLE   392,750 0 188,291
Dril-Quip Inc. COM 262037104 19,052 213,106 SH   SOLE   145,226 0 67,880
DSW Inc. Class A COM 23334L102 83,334 2,767,658 SH   SOLE   1,592,723 0 1,174,935
DTS Inc. COM 23335C101 17,488 692,600 SH   SOLE   476,515 0 216,085
Dunkin' Brands Group Inc. COM 265504100 40,002 892,501 SH   SOLE   593,368 0 299,133
Dynamic Materials Corporation COM 267888105 2 90 SH   SOLE   90 0 0
E*TRADE Financial Corporation COM 269246401 86,788 3,841,863 SH   SOLE   2,351,552 0 1,490,311
Eagle Materials Inc. COM 26969P108 239,630 2,353,240 SH   SOLE   1,390,246 0 962,994
Edison International COM 281020107 32 580 SH   SOLE   580 0 0
Edwards Lifesciences Corporation COM 28176E108 15,982 156,455 SH   SOLE   105,455 0 51,000
Electronic Arts Inc. COM 285512109 144,199 4,049,393 SH   SOLE   2,622,133 0 1,427,260
Ellie Mae Inc. COM 28849P100 77,503 2,377,400 SH   SOLE   1,122,587 0 1,254,813
Emerald Oil Inc. COM 29101U209 25,661 4,172,474 SH   SOLE   2,117,963 0 2,054,511
Encore Wire Corporation COM 292562105 9,162 247,032 SH   SOLE   94,795 0 152,237
Endurance Specialty Holdings Ltd. COM G30397106 29,756 539,254 SH   SOLE   207,284 0 331,970
Envestnet Inc. COM 29404K106 23,206 515,687 SH   SOLE   212,446 0 303,241
EP Energy Corp. Class A COM 268785102 29,304 1,676,411 SH   SOLE   1,134,071 0 542,340
Everest RE Group Ltd. COM G3223R108 23,380 144,311 SH   SOLE   99,561 0 44,750
ExOne Co. COM 302104104 1,829 87,569 SH   SOLE   36,217 0 51,352
Fairchild Semiconductor International COM 303726103 42,653 2,746,518 SH   SOLE   1,397,718 0 1,348,800
Fidelity National Financial Inc - FNF COM 31620R303 16 592 SH   SOLE   592 0 0
Fidelity National Information Services COM 31620M106 50 886 SH   SOLE   886 0 0
Fiesta Restaurant Group Inc. COM 31660B101 22,096 444,767 SH   SOLE   182,448 0 262,319
First Horizon National Corporation COM 320517105 33,563 2,733,153 SH   SOLE   1,043,985 0 1,689,168
First Midwest Bancorp Inc. COM 320867104 35,301 2,193,980 SH   SOLE   824,621 0 1,369,359
FleetMatics Group Ltd. COM G35569105 58,642 1,922,694 SH   SOLE   1,069,217 0 853,477
Flextronics International Ltd. COM Y2573F102 23,342 2,261,862 SH   SOLE   1,539,319 0 722,543
FLIR Systems Inc. COM 302445101 19,134 610,531 SH   SOLE   250,358 0 360,173
Flushing Financial Corporation COM 343873105 28,052 1,535,410 SH   SOLE   719,331 0 816,079
FMC Corporation COM 302491303 39,972 698,942 SH   SOLE   489,643 0 209,299
Fortinet Inc. COM 34959E109 103,118 4,081,438 SH   SOLE   2,459,722 0 1,621,716
Fox Factory Holding Corp. COM 35138V102 48,460 3,126,439 SH   SOLE   1,717,677 0 1,408,762
FTI Consulting Inc. COM 302941109 14,627 418,387 SH   SOLE   161,258 0 257,129
Furmanite Corporation COM 361086101 4,114 608,537 SH   SOLE   234,216 0 374,321
Gartner Inc. COM 366651107 49,611 675,260 SH   SOLE   455,831 0 219,429
Genesee & Wyoming Inc. Class A COM 371559105 71,850 753,854 SH   SOLE   522,079 0 231,775
Gilead Sciences Inc. COM 375558103 3,592 33,746 SH   SOLE   33,746 0 0
Global Payments Inc. COM 37940X102 65,034 930,649 SH   SOLE   633,210 0 297,439
Globe Specialty Metals Inc. COM 37954N206 46,763 2,570,783 SH   SOLE   1,377,578 0 1,193,205
GNC Holdings Inc. Class A COM 36191G107 2,436 62,882 SH   SOLE   62,882 0 0
Gogo Inc. COM 38046C109 9,824 582,660 SH   SOLE   398,250 0 184,410
Google Inc. Class A COM 38259P508 3,063 5,206 SH   SOLE   5,206 0 0
Google Inc. Class C COM 38259P706 3,006 5,206 SH   SOLE   5,206 0 0
Green Dot Corporation Class A COM 39304D102 10,131 479,220 SH   SOLE   329,280 0 149,940
Hain Celestial Group Inc. COM 405217100 37,415 365,555 SH   SOLE   246,055 0 119,500
Harley-Davidson Inc. COM 412822108 30,067 516,614 SH   SOLE   349,173 0 167,441
Harman International Industries Incorp COM 413086109 105,566 1,076,763 SH   SOLE   639,678 0 437,085
Harsco Corporation COM 415864107 32,621 1,523,624 SH   SOLE   746,703 0 776,921
HCC Insurance Holdings Inc. COM 404132102 59,444 1,230,988 SH   SOLE   550,566 0 680,422
Heartland Payment Systems Inc. COM 42235N108 44,488 932,270 SH   SOLE   383,926 0 548,344
HeartWare International Inc. COM 422368100 10,186 131,217 SH   SOLE   89,987 0 41,230
HNI Corporation COM 404251100 22,442 623,555 SH   SOLE   234,743 0 388,812
Horsehead Holding Corp. COM 440694305 10,657 644,727 SH   SOLE   440,350 0 204,377
Host Hotels & Resorts Inc. COM 44107P104 30 1,391 SH   SOLE   1,391 0 0
Hub Group Inc. Class A COM 443320106 44,711 1,103,165 SH   SOLE   543,945 0 559,220
Hubbell Incorporated Class B COM 443510201 6,616 54,888 SH   SOLE   36,088 0 18,800
Humana Inc. COM 444859102 53,650 411,770 SH   SOLE   277,570 0 134,200
IHS Inc. Class A COM 451734107 132,640 1,059,509 SH   SOLE   686,506 0 373,003
Illumina Inc. COM 452327109 125,778 767,315 SH   SOLE   542,606 0 224,709
IMAX Corporation COM 45245E109 83,176 3,028,979 SH   SOLE   1,948,739 0 1,080,240
Incyte Corporation COM 45337C102 53,776 1,096,354 SH   SOLE   740,389 0 355,965
Ingram Micro Inc. Class A COM 457153104 53,411 2,069,375 SH   SOLE   809,499 0 1,259,876
Insight Enterprises Inc. COM 45765U103 21,170 935,498 SH   SOLE   355,212 0 580,286
Insperity Inc. COM 45778Q107 2,167 79,271 SH   SOLE   33,829 0 45,442
Insulet Corporation COM 45784P101 88,290 2,395,938 SH   SOLE   1,413,934 0 982,004
Integrated Device Technology Inc. COM 458118106 77,306 4,846,801 SH   SOLE   2,191,352 0 2,655,449
International Paper Company COM 460146103 27 567 SH   SOLE   567 0 0
International Rectifier Corporation COM 460254105 19,246 490,467 SH   SOLE   324,467 0 166,000
International Speedway Corporation Cla COM 460335201 12,896 407,573 SH   SOLE   133,689 0 273,884
Interoil Corporation COM 460951106 39,425 726,587 SH   SOLE   478,156 0 248,431
Intersect ENT Inc COM 46071F103 1,652 106,590 SH   SOLE   71,180 0 35,410
IntraLinks Holdings Inc. COM 46118H104 2,078 256,514 SH   SOLE   173,284 0 83,230
Intrexon Corporation COM 46122T102 43,774 2,355,950 SH   SOLE   970,044 0 1,385,906
Itron Inc. COM 465741106 30,072 765,006 SH   SOLE   410,732 0 354,274
J.B. Hunt Transport Services Inc. COM 445658107 46,729 631,048 SH   SOLE   426,312 0 204,736
Jabil Circuit Inc. COM 466313103 48,451 2,402,142 SH   SOLE   1,171,986 0 1,230,156
Jack Henry & Associates Inc. COM 426281101 75,429 1,355,172 SH   SOLE   742,954 0 612,218
Jacobs Engineering Group Inc. COM 469814107 49,939 1,022,914 SH   SOLE   691,154 0 331,760
JetBlue Airways Corporation COM 477143101 13,392 1,261,019 SH   SOLE   867,429 0 393,590
Jones Lang LaSalle Incorporated COM 48020Q107 28,530 225,816 SH   SOLE   93,116 0 132,700
JPMorgan Chase & Co. COM 46625H100 3,523 58,480 SH   SOLE   58,480 0 0
Kansas City Southern COM 485170302 10,426 86,025 SH   SOLE   58,875 0 27,150
KAR Auction Services Inc. COM 48238T109 89,763 3,135,268 SH   SOLE   1,818,962 0 1,316,306
KBR Inc. COM 48242W106 4,642 246,536 SH   SOLE   169,106 0 77,430
Kennametal Inc. COM 489170100 17 420 SH   SOLE   420 0 0
Kirby Corporation COM 497266106 118,499 1,005,505 SH   SOLE   646,803 0 358,702
Kite Pharma Inc. COM 49803L109 3,328 116,775 SH   SOLE   47,993 0 68,782
Kohl's Corporation COM 500255104 21 346 SH   SOLE   346 0 0
Kraton Performance Polymers Inc. COM 50077C106 31,279 1,756,260 SH   SOLE   1,050,656 0 705,604
Kulicke & Soffa Industries Inc. COM 501242101 22,527 1,583,074 SH   SOLE   692,240 0 890,834
Laboratory Corporation of America Hold COM 50540R409 21 208 SH   SOLE   208 0 0
Lam Research Corporation COM 512807108 64,459 862,905 SH   SOLE   564,210 0 298,695
Lennox International Inc. COM 526107107 40,943 532,622 SH   SOLE   328,840 0 203,782
Leucadia National Corporation COM 527288104 14,008 587,579 SH   SOLE   404,196 0 183,383
Liberty Interactive Corporation Class COM 53071M104 44 1,540 SH   SOLE   1,540 0 0
LifeLock Inc. COM 53224V100 13,938 975,335 SH   SOLE   400,842 0 574,493
Lions Gate Entertainment Corp. COM 535919203 26,786 812,429 SH   SOLE   556,934 0 255,495
Littelfuse Inc. COM 537008104 10,134 118,971 SH   SOLE   46,175 0 72,796
LKQ Corporation COM 501889208 122,582 4,610,096 SH   SOLE   2,579,688 0 2,030,408
Louisiana-Pacific Corporation COM 546347105 26,271 1,933,134 SH   SOLE   1,306,624 0 626,510
LPL Financial Holdings Inc. COM 50212V100 9,202 199,836 SH   SOLE   137,386 0 62,450
LSB Industries Inc. COM 502160104 10,078 282,213 SH   SOLE   108,535 0 173,678
M&T Bank Corporation COM 55261F104 17 134 SH   SOLE   134 0 0
MarineMax Inc. COM 567908108 10,833 642,896 SH   SOLE   429,957 0 212,939
Martin Marietta Materials Inc. COM 573284106 12,998 100,804 SH   SOLE   69,274 0 31,530
MasTec Inc. COM 576323109 127,832 4,174,798 SH   SOLE   2,303,629 0 1,871,169
Matrix Service Company COM 576853105 28,842 1,195,781 SH   SOLE   487,730 0 708,051
Maxim Integrated Products Inc. COM 57772K101 17,217 569,348 SH   SOLE   392,258 0 177,090
McDermott International Inc. COM 580037109 3,510 613,709 SH   SOLE   389,769 0 223,940
Mead Johnson Nutrition Company COM 582839106 31,254 324,819 SH   SOLE   213,019 0 111,800
Medidata Solutions Inc. COM 58471A105 9,636 217,574 SH   SOLE   88,330 0 129,244
Medivation Inc. COM 58501N101 32,473 328,438 SH   SOLE   221,338 0 107,100
MEDNAX Inc. COM 58502B106 146,864 2,679,030 SH   SOLE   1,500,090 0 1,178,940
Merit Medical Systems Inc. COM 589889104 12,868 1,083,126 SH   SOLE   410,527 0 672,599
Meritor Inc. COM 59001K100 43,790 4,035,984 SH   SOLE   2,089,021 0 1,946,963
MFA Financial Inc. COM 55272X102 32 4,123 SH   SOLE   4,123 0 0
MGM Resorts International COM 552953101 45,095 1,979,578 SH   SOLE   1,389,498 0 590,080
Micron Technology Inc. COM 595112103 35 1,010 SH   SOLE   1,010 0 0
Microsemi Corporation COM 595137100 36,512 1,436,927 SH   SOLE   727,183 0 709,744
Modine Manufacturing Company COM 607828100 45,630 3,844,144 SH   SOLE   1,696,089 0 2,148,055
MoneyGram International Inc. COM 60935Y208 5,353 426,892 SH   SOLE   288,829 0 138,063
Monolithic Power Systems Inc. COM 609839105 57,132 1,296,988 SH   SOLE   848,436 0 448,552
MRC Global Inc. COM 55345K103 52,145 2,236,062 SH   SOLE   1,113,578 0 1,122,484
MSA Safety Inc. COM 553498106 37,099 751,002 SH   SOLE   286,741 0 464,261
Mylan Inc. COM 628530107 45,495 1,000,104 SH   SOLE   675,817 0 324,287
Myriad Genetics Inc. COM 62855J104 39,797 1,031,801 SH   SOLE   540,139 0 491,662
National Retail Properties Inc. COM 637417106 26,762 774,125 SH   SOLE   310,581 0 463,544
Natural Grocers by Vitamin Cottage Inc COM 63888U108 16,943 1,040,730 SH   SOLE   427,515 0 613,215
Navient Corp COM 63938C108 27 1,547 SH   SOLE   1,547 0 0
Navigators Group Inc. COM 638904102 41,323 671,913 SH   SOLE   260,580 0 411,333
Netflix Inc. COM 64110L106 48,927 108,443 SH   SOLE   72,973 0 35,470
Noble Energy Inc. COM 655044105 17 244 SH   SOLE   244 0 0
Northern Trust Corporation COM 665859104 17 244 SH   SOLE   244 0 0
NXP Semiconductors NV COM N6596X109 150,152 2,194,242 SH   SOLE   1,407,742 0 786,500
ON Semiconductor Corporation COM 682189105 63,430 7,095,097 SH   SOLE   3,163,072 0 3,932,025
Oracle Corporation COM 68389X105 3,545 92,601 SH   SOLE   92,601 0 0
O'Reilly Automotive Inc. COM 67103H107 51,570 342,978 SH   SOLE   231,711 0 111,267
P. H. Glatfelter Company COM 377316104 10,885 495,920 SH   SOLE   190,256 0 305,664
Packaging Corporation of America COM 695156109 12,073 189,171 SH   SOLE   130,441 0 58,730
PacWest Bancorp COM 695263103 42,544 1,031,862 SH   SOLE   706,329 0 325,533
Pall Corporation COM 696429307 58,159 694,853 SH   SOLE   452,565 0 242,288
Pandora Media Inc. COM 698354107 2,717 112,478 SH   SOLE   43,311 0 69,167
Parkway Properties Inc. COM 70159Q104 25,629 1,364,714 SH   SOLE   524,012 0 840,702
Pentair plc COM G7S00T104 53,011 809,453 SH   SOLE   543,668 0 265,785
Pericom Semiconductor Corporation COM 713831105 17,050 1,750,496 SH   SOLE   810,558 0 939,938
PerkinElmer Inc. COM 714046109 16,143 370,244 SH   SOLE   152,159 0 218,085
Perrigo Co. Plc COM G97822103 111,398 745,214 SH   SOLE   475,589 0 269,625
Piedmont Natural Gas Company Inc. COM 720186105 11,976 357,170 SH   SOLE   126,171 0 230,999
Pinnacle Financial Partners Inc. COM 72346Q104 46,306 1,282,727 SH   SOLE   486,347 0 796,380
Popular Inc. COM 733174700 70,519 2,395,764 SH   SOLE   1,242,014 0 1,153,750
Portland General Electric Company COM 736508847 36,261 1,128,934 SH   SOLE   424,866 0 704,068
Premiere Global Services Inc. COM 740585104 21,460 1,792,828 SH   SOLE   1,204,446 0 588,382
Primoris Services Corporation COM 74164F103 29,536 1,100,443 SH   SOLE   509,277 0 591,166
Puma Biotechnology Inc. COM 74587V107 50,011 209,630 SH   SOLE   108,760 0 100,870
PVH Corp. COM 693656100 26 214 SH   SOLE   214 0 0
QIAGEN NV COM N72482107 9,389 412,320 SH   SOLE   283,300 0 129,020
QLogic Corporation COM 747277101 59,933 6,542,945 SH   SOLE   2,836,393 0 3,706,552
QUALCOMM Incorporated COM 747525103 3,346 44,750 SH   SOLE   44,750 0 0
Quanta Services Inc. COM 74762E102 52,765 1,453,992 SH   SOLE   742,944 0 711,048
QuickLogic Corporation COM 74837P108 12,251 4,097,228 SH   SOLE   2,797,443 0 1,299,785
QuinStreet Inc. COM 74874Q100 11,156 2,688,304 SH   SOLE   1,458,494 0 1,229,810
Raymond James Financial Inc. COM 754730109 181,887 3,394,673 SH   SOLE   1,855,768 0 1,538,905
RE/MAX Holdings Inc. COM 75524W108 500 16,819 SH   SOLE   8,420 0 8,399
RealPage Inc. COM 75606N109 12,323 795,020 SH   SOLE   326,243 0 468,777
Regions Financial Corporation COM 7591EP100 25 2,466 SH   SOLE   2,466 0 0
Renasant Corporation COM 75970E107 34,399 1,271,666 SH   SOLE   497,826 0 773,840
Rex Energy Corporation COM 761565100 6,393 504,594 SH   SOLE   345,104 0 159,490
Ritchie Bros. Auctioneers Incorporated COM 767744105 20,908 933,798 SH   SOLE   454,635 0 479,163
RLJ Lodging Trust COM 74965L101 34 1,188 SH   SOLE   1,188 0 0
Rogers Corporation COM 775133101 28,289 516,607 SH   SOLE   352,857 0 163,750
Ross Stores Inc. COM 778296103 36,084 477,425 SH   SOLE   320,725 0 156,700
Rovi Corporation COM 779376102 70,171 3,553,874 SH   SOLE   2,117,686 0 1,436,188
RPX Corporation COM 74972G103 22,215 1,617,994 SH   SOLE   820,617 0 797,377
RTI International Metals Inc. COM 74973W107 504 20,427 SH   SOLE   20,427 0 0
Saia Inc. COM 78709Y105 36,464 735,750 SH   SOLE   358,335 0 377,415
SanDisk Corporation COM 80004C101 103,102 1,052,603 SH   SOLE   662,233 0 390,370
SandRidge Energy Inc. COM 80007P307 93,392 21,769,672 SH   SOLE   12,082,874 0 9,686,798
Sangamo BioSciences Inc. COM 800677106 23,211 2,152,179 SH   SOLE   1,001,303 0 1,150,876
SBA Communications Corporation COM 78388J106 18,479 166,629 SH   SOLE   113,618 0 53,011
SeaChange International Inc. COM 811699107 552 79,348 SH   SOLE   52,078 0 27,270
Seattle Genetics Inc. COM 812578102 215 5,789 SH   SOLE   2,499 0 3,290
Select Comfort Corporation COM 81616X103 50,816 2,429,076 SH   SOLE   1,361,918 0 1,067,158
Selective Insurance Group Inc. COM 816300107 38,477 1,737,914 SH   SOLE   766,254 0 971,660
Semtech Corporation COM 816850101 55,767 2,054,030 SH   SOLE   911,835 0 1,142,195
Sherwin-Williams Company COM 824348106 58,767 268,357 SH   SOLE   180,835 0 87,522
Signature Bank COM 82669G104 109,473 976,912 SH   SOLE   544,587 0 432,325
Silicon Laboratories Inc. COM 826919102 6,698 164,807 SH   SOLE   113,017 0 51,790
Silver Spring Networks Inc. COM 82817Q103 10,978 1,137,619 SH   SOLE   503,333 0 634,286
Skyworks Solutions Inc. COM 83088M102 32,267 555,849 SH   SOLE   381,679 0 174,170
SLM Corp COM 78442P106 27 3,177 SH   SOLE   3,177 0 0
Southwest Gas Corporation COM 844895102 18,817 387,342 SH   SOLE   147,542 0 239,800
Spirit Airlines Inc. COM 848577102 82,062 1,186,891 SH   SOLE   746,296 0 440,595
Starwood Hotels & Resorts Worldwide In COM 85590A401 73,774 886,596 SH   SOLE   573,832 0 312,764
Stericycle Inc. COM 858912108 30,969 265,694 SH   SOLE   179,864 0 85,830
Stock Building Supply Holdings Inc. COM 86101X104 29,246 1,861,585 SH   SOLE   901,413 0 960,172
SunEdison Inc. COM 86732Y109 15,768 835,186 SH   SOLE   573,836 0 261,350
SVB Financial Group COM 78486Q101 44,940 400,929 SH   SOLE   271,184 0 129,745
Symmetry Medical Inc. COM 871546206 4,833 478,967 SH   SOLE   304,220 0 174,747
Synaptics Incorporated COM 87157D109 75,277 1,028,374 SH   SOLE   501,372 0 527,002
Synchronoss Technologies Inc. COM 87157B103 17,827 389,412 SH   SOLE   160,657 0 228,755
Syneron Medical Ltd COM M87245102 1,458 145,511 SH   SOLE   82,731 0 62,780
Tangoe Inc. COM 87582Y108 41,388 3,054,496 SH   SOLE   1,427,824 0 1,626,672
Tenneco Inc. COM 880349105 5,397 103,179 SH   SOLE   71,609 0 31,570
Teradyne Inc. COM 880770102 10,180 525,029 SH   SOLE   215,243 0 309,786
Terex Corporation COM 880779103 22,365 703,972 SH   SOLE   288,139 0 415,833
Tessera Technologies Inc. COM 88164L100 87,989 3,310,361 SH   SOLE   1,580,823 0 1,729,538
Teva Pharmaceutical Industries Limited COM 881624209 2,638 49,086 SH   SOLE   49,086 0 0
Tiffany & Co. COM 886547108 40,058 415,927 SH   SOLE   280,332 0 135,595
Tilly's Inc. Class A COM 886885102 12,371 1,645,030 SH   SOLE   681,866 0 963,164
TiVo Inc. COM 888706108 16,672 1,302,990 SH   SOLE   894,620 0 408,370
TJX Companies Inc. COM 872540109 5,086 85,956 SH   SOLE   85,956 0 0
Trex Company Inc. COM 89531P105 12,829 371,108 SH   SOLE   255,148 0 115,960
TriQuint Semiconductor Inc. COM 89674K103 131,867 6,914,879 SH   SOLE   3,406,889 0 3,507,990
Tronox Ltd. COM Q9235V101 17,490 671,414 SH   SOLE   458,649 0 212,765
TRW Automotive Holdings Corp. COM 87264S106 28,325 279,755 SH   SOLE   209,535 0 70,220
Ultratech Inc COM 904034105 58,713 2,580,813 SH   SOLE   1,365,002 0 1,215,811
Unilife Corporation COM 90478E103 19,248 8,386,779 SH   SOLE   4,274,740 0 4,112,039
United Continental Holdings Inc. COM 910047109 126,274 2,698,734 SH   SOLE   1,841,904 0 856,830
United Natural Foods Inc. COM 911163103 33,474 544,651 SH   SOLE   366,151 0 178,500
United Parcel Service Inc. Class B COM 911312106 4,218 42,910 SH   SOLE   42,910 0 0
United Therapeutics Corporation COM 91307C102 16,008 124,430 SH   SOLE   76,379 0 48,051
UnitedHealth Group Incorporated COM 91324P102 4,232 49,062 SH   SOLE   49,062 0 0
Unitil Corporation COM 913259107 19,628 631,314 SH   SOLE   265,340 0 365,974
Universal Display Corporation COM 91347P105 15,753 482,641 SH   SOLE   315,653 0 166,988
UTi Worldwide Inc. COM G87210103 31,288 2,943,389 SH   SOLE   1,737,486 0 1,205,903
V.F. Corporation COM 918204108 66,358 1,004,967 SH   SOLE   677,601 0 327,366
Vera Bradley Inc. COM 92335C106 17,865 863,857 SH   SOLE   439,815 0 424,042
VeriFone Systems Inc. COM 92342Y109 8,683 252,554 SH   SOLE   172,004 0 80,550
Virtusa Corporation COM 92827P102 37,616 1,057,830 SH   SOLE   422,318 0 635,512
Vitamin Shoppe Inc. COM 92849E101 33,091 745,450 SH   SOLE   375,728 0 369,722
Volaris Aviation Holding Company ADR C COM 21240E105 24,878 2,866,157 SH   SOLE   1,955,987 0 910,170
W. R. Berkley Corporation COM 084423102 20,471 428,274 SH   SOLE   292,414 0 135,860
W.P. Carey Inc. COM 92936U109 31 490 SH   SOLE   490 0 0
W.W. Grainger Inc. COM 384802104 28 110 SH   SOLE   110 0 0
Wabash National Corporation COM 929566107 38,480 2,888,907 SH   SOLE   1,696,393 0 1,192,514
WABCO Holdings Inc. COM 92927K102 78,461 862,678 SH   SOLE   401,647 0 461,031
Waddell & Reed Financial Inc. Class A COM 930059100 22,230 430,063 SH   SOLE   217,203 0 212,860
Washington Federal Inc. COM 938824109 26,061 1,280,027 SH   SOLE   500,388 0 779,639
Watsco Inc. COM 942622200 92,583 1,074,301 SH   SOLE   531,690 0 542,611
Web.com Group Inc. COM 94733A104 39,384 1,973,170 SH   SOLE   907,184 0 1,065,986
WESCO International Inc. COM 95082P105 83,239 1,063,616 SH   SOLE   577,725 0 485,891
Westar Energy Inc. COM 95709T100 40,506 1,187,165 SH   SOLE   450,951 0 736,214
Westinghouse Air Brake Technologies Co COM 929740108 73,616 908,394 SH   SOLE   613,739 0 294,655
WEX Inc. COM 96208T104 74,750 677,577 SH   SOLE   382,888 0 294,689
Weyerhaeuser Company COM 962166104 41 1,294 SH   SOLE   1,294 0 0
WGL Holdings Inc. COM 92924F106 25,430 603,759 SH   SOLE   234,694 0 369,065
Wisdomtree Investments Inc. COM 97717P104 18,400 1,616,841 SH   SOLE   1,086,466 0 530,375
World Fuel Services Corporation COM 981475106 8,375 209,806 SH   SOLE   132,202 0 77,604
WPX Energy Inc. Class A COM 98212B103 22 917 SH   SOLE   917 0 0
WSFS Financial Corporation COM 929328102 34,890 487,226 SH   SOLE   221,518 0 265,708
Xilinx Inc. COM 983919101 10,908 257,561 SH   SOLE   211,119 0 46,442
Yelp Inc. Class A COM 985817105 41,422 606,913 SH   SOLE   330,951 0 275,962
Zions Bancorporation COM 989701107 22 762 SH   SOLE   762 0 0
Zynga Inc. Class A COM 98986T108 29,769 11,025,449 SH   SOLE   7,543,095 0 3,482,354