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
51JOB INC COM 316827104 22,709 336,375 SH   SOLE   0 0 336,375
AARON'S INC. COM 002535300 6,913 246,818 SH   SOLE   0 0 246,818
ABERCROMBIE & FITCH COM 002896207 30,155 666,400 SH   SOLE   0 0 666,400
ADVISORY BOARD COM 00762W107 13,724 251,131 SH   SOLE   0 0 251,131
AEGERION PHARMACEUTICALS COM 00767E102 4,773 75,350 SH   SOLE   250 0 75,100
AFFILIATED MANAGERS GROUP COM 008252108 20,511 125,115 SH   SOLE   0 0 125,115
ALIGN TECHNOLOGY COM 016255101 17,848 481,850 SH   SOLE   0 0 481,850
ALKERMES COM G01767105 76,157 2,655,410 SH   SOLE   0 0 2,655,410
ALLIANCE DATA SYSTEMS COM 018581108 12,174 67,250 SH   SOLE   0 0 67,250
ALPHA NATURAL RESOURSES COM 02076X102 2,903 554,100 SH   SOLE   0 0 554,100
ANGIE'S LIST COM 034754101 27,268 1,026,650 SH   SOLE   0 0 1,026,650
ARUBA NETWORKS COM 043176106 17,742 1,155,100 SH   SOLE   0 0 1,155,100
ASPEN TECHNOLOGY INC COM 045327103 11,785 409,350 SH   SOLE   0 0 409,350
ATMI INC COM 00207R101 9,404 397,646 SH   SOLE   650 0 396,996
ATWOOD OCEANICS COM 050095108 7,209 138,500 SH   SOLE   0 0 138,500
AVEO PHARMACEUTICALS COM 053588109 1,187 474,651 SH   SOLE   0 0 474,651
BASIC ENERGY COM 06985P100 4,292 355,000 SH   SOLE   0 0 355,000
BIOMARIN PHARMACEUTICALS COM 09061G101 33,466 600,400 SH   SOLE   0 0 600,400
BIORAD LABS COM 090572207 32,256 287,484 SH   SOLE   0 0 287,484
BJ'S RESTAURANTS COM 09180C106 11,371 306,500 SH   SOLE   0 0 306,500
BLACK DIAMOND COM 09202G101 8,550 910,510 SH   SOLE   3,560 0 906,950
BROADSOFT COM 11133B409 2,574 93,270 SH   SOLE   170 0 93,100
BROCADE COMMUNICATIONS COM 111621306 10,458 1,815,700 SH   SOLE   0 0 1,815,700
BRUKER CORP COM 116794108 37,088 2,296,500 SH   SOLE   0 0 2,296,500
BRUNSWICK CORP COM 117043109 22,416 701,600 SH   SOLE   0 0 701,600
BUFFALO WILD WINGS COM 119848109 53,310 542,650 SH   SOLE   0 0 542,650
CABELA'S COM 126804301 31,415 485,100 SH   SOLE   0 0 485,100
CADENCE DESIGN COM 127387108 36,384 2,512,700 SH   SOLE   0 0 2,512,700
CALAVO GROWERS COM 128246105 4,349 159,964 SH   SOLE   860 0 159,104
CASEYS GENERAL STORES COM 147528103 17,681 293,900 SH   SOLE   0 0 293,900
CASH AMERICA COM 14754D100 10,865 239,000 SH   SOLE   0 0 239,000
CECO ENVIRONMENTAL COM 125141101 10,468 851,033 SH   SOLE   2,640 0 848,393
CELADON GROUP COM 150838100 6,123 335,499 SH   SOLE   0 0 335,499
CEVA COM 157210105 5,239 270,601 SH   SOLE   230 0 270,371
CHICOS FAS COM 168615102 32,706 1,917,100 SH   SOLE   0 0 1,917,100
CINEMARK HOLDINGS COM 17243V102 26,044 932,800 SH   SOLE   0 0 932,800
CLEAN ENERGY FUELS CORP COM 184499101 18,650 1,412,900 SH   SOLE   0 0 1,412,900
CLICKSOFTWARE TECHNOLOGIES COM M25082104 1,339 160,600 SH   SOLE   0 0 160,600
COMFORT SYSTEMS COM 199908104 3,653 244,860 SH   SOLE   1,880 0 242,980
COMPUTER TASK GROUP COM 205477102 684 29,790 SH   SOLE   590 0 29,200
CONCUR TECHN COM 206708109 7,981 98,075 SH   SOLE   0 0 98,075
CONSOL ENERGY COM 20854P109 4,770 176,000 SH   SOLE   0 0 176,000
CONSTANT CONTACT COM 210313102 11,318 704,320 SH   SOLE   0 0 704,320
COSTAR CORP COM 22160N109 19,111 148,070 SH   SOLE   0 0 148,070
COVANCE COM 222816100 28,155 369,780 SH   SOLE   0 0 369,780
CROCS INC COM 227046109 44,207 2,679,200 SH   SOLE   0 0 2,679,200
CUTERA COM 232109108 4,514 512,932 SH   SOLE   1,590 0 511,342
CYNOSURE COM 232577205 9,724 374,294 SH   SOLE   746 0 373,548
DENNY'S CORP COM 24869P104 3,778 672,200 SH   SOLE   0 0 672,200
DENTSPLY COM 249030107 25,360 619,150 SH   SOLE   0 0 619,150
DICKS SPORTING GOODS COM 253393102 37,876 756,614 SH   SOLE   0 0 756,614
DIGITAL GLOBE COM 25389M877 3,613 116,500 SH   SOLE   0 0 116,500
DIVERSIFIED RESTAURANT HOLDING COM 25532M105 1,395 175,240 SH   SOLE   2,001 0 173,239
DOUGLAS DYNAMICS COM 25960R105 6,630 510,775 SH   SOLE   1,870 0 508,905
DSW SHOE WAREHOUSE COM 23334L102 2,042 27,800 SH   SOLE   0 0 27,800
DURECT CORP COM 266605104 2,772 2,639,713 SH   SOLE   6,150 0 2,633,563
DXP ENTERPRISES COM 233377407 3,849 57,800 SH   SOLE   0 0 57,800
E2OPEN COM 29788A104 16,010 914,870 SH   SOLE   0 0 914,870
EDWARDS LIFESCIENCES COM 28176E108 13,252 197,200 SH   SOLE   0 0 197,200
ELAN CORP PLC COM 284131208 20,473 1,447,873 SH   SOLE   0 0 1,447,873
ELECTRO RENT COM 285218103 915 54,480 SH   SOLE   1,080 0 53,400
ENCORE WIRE COM 292562105 411 12,060 SH   SOLE   240 0 11,820
ENERGY XXI COM G10082140 2,475 111,600 SH   SOLE   0 0 111,600
ENTROPIC COMMUNICATIONS COM 29384R105 16,502 3,864,600 SH   SOLE   3,220 0 3,861,380
EURONET COM 298736109 49,161 1,543,035 SH   SOLE   0 0 1,543,035
EXPONENT COM 30214U102 7,960 134,667 SH   SOLE   0 0 134,667
FACTSET RESEARCH SYSTEMS COM 303075105 22,483 220,550 SH   SOLE   0 0 220,550
FAIRWAY GROUP HOLDINGS COM 30603D109 4,621 191,200 SH   SOLE   0 0 191,200
FEI COMPANY COM 30241L109 27,861 381,550 SH   SOLE   0 0 381,550
FIESTA RESTAURANT GROUP COM 31660B101 4,810 140,000 SH   SOLE   0 0 140,000
FINISAR COM 31787A507 32,356 1,908,900 SH   SOLE   0 0 1,908,900
FIRSTSERVICE CORP COM 33761N109 4,106 131,250 SH   SOLE   0 0 131,250
FLOW INTL COM 343468104 958 259,650 SH   SOLE   5,150 0 254,500
FRANCESCA'S HOLDINGS COM 351793104 22,532 810,800 SH   SOLE   0 0 810,800
GENESCO INC COM 371532102 14,537 217,000 SH   SOLE   0 0 217,000
GENESEE & WYOMING COM 371559105 27,196 320,560 SH   SOLE   0 0 320,560
GENTHERM COM 37253A103 5,437 292,760 SH   SOLE   0 0 292,760
GENTIUM COM 37250B104 1,801 226,500 SH   SOLE   0 0 226,500
GLOBAL CASH ACCESS COM 378967103 18,072 2,886,841 SH   SOLE   0 0 2,886,841
GRAND CANYON EDUCATION COM 38526M106 20,909 648,752 SH   SOLE   0 0 648,752
GUESS INC COM 401617105 14,987 483,000 SH   SOLE   0 0 483,000
HANESBRANDS INC COM 410345102 25,895 503,600 SH   SOLE   0 0 503,600
HARRIS & HARRIS COM 413833104 3,286 1,080,818 SH   SOLE   3,230 0 1,077,588
HARVARD BIOSCIENCE COM 416906105 4,607 980,305 SH   SOLE   3,150 0 977,155
HEALTHCARE SVCS COM 421906108 5,789 236,085 SH   SOLE   0 0 236,085
HENRY SCHEIN COM 806407102 35,792 373,850 SH   SOLE   0 0 373,850
HIBBETT SPORTS COM 428567101 23,760 427,570 SH   SOLE   0 0 427,570
HOMEAWAY INC COM 43739Q100 18,893 584,191 SH   SOLE   0 0 584,191
II-VI COM 902104108 2,771 170,400 SH   SOLE   0 0 170,400
IMAX CORP COM 45245E109 24,306 977,700 SH   SOLE   0 0 977,700
IMMUNOGEN COM 45253H101 19,178 1,156,000 SH   SOLE   1,120 0 1,154,880
IMPERVA COM 45321L100 11,751 260,900 SH   SOLE   0 0 260,900
INFOBLOX COM 45672H104 49,385 1,687,800 SH   SOLE   0 0 1,687,800
INNER WORKINGS INC COM 45773Y105 3,969 365,805 SH   SOLE   0 0 365,805
INPHI COM 45772F107 4,175 379,500 SH   SOLE   0 0 379,500
INTERNET CAPITAL GROUP COM 44928D108 1,727 151,510 SH   SOLE   0 0 151,510
INTERSIL COM 46069S109 3,709 475,495 SH   SOLE   0 0 475,495
INTERXION HOLDINGS COM N47279109 500 19,150 SH   SOLE   0 0 19,150
INVACARE COM 461203101 8,004 557,350 SH   SOLE   700 0 556,650
IPG PHOTONICS COM 44980X109 14,557 239,700 SH   SOLE   0 0 239,700
IROBOT COM 462726100 26,363 662,880 SH   SOLE   0 0 662,880
ISIS PHARMACEUTICALS COM 464330109 24,484 911,189 SH   SOLE   0 0 911,189
JAMES RIVER COAL CO COM 470355207 2,524 1,386,600 SH   SOLE   0 0 1,386,600
JETBLUE AIRWAYS COM 477143101 3,082 490,000 SH   SOLE   0 0 490,000
KAMAN CORP COM 483548103 24,693 714,500 SH   SOLE   970 0 713,530
KAR AUCTION SERVICES COM 48238T109 11,138 487,000 SH   SOLE   0 0 487,000
KB HOME COM 48666K109 7,611 387,700 SH   SOLE   0 0 387,700
KENNAMETAL COM 489170100 27,146 699,100 SH   SOLE   0 0 699,100
KEY ENERGY SVCS COM 492914106 11,935 2,005,900 SH   SOLE   0 0 2,005,900
KNIGHT TRANS COM 499064103 14,103 838,480 SH   SOLE   0 0 838,480
LEMAITRE VASCULAR COM 525558201 4,938 754,977 SH   SOLE   5,360 0 749,617
LINKEDIN CORP COM 53578A108 32,019 179,582 SH   SOLE   0 0 179,582
LIQUIDITY SERVICES COM 53635B107 26,089 752,495 SH   SOLE   0 0 752,495
LITTELFUSE COM 537008104 7,461 100,000 SH   SOLE   0 0 100,000
LIVEPERSON COM 538146101 4,751 530,542 SH   SOLE   0 0 530,542
LKQ CORP COM 501889208 7,983 310,000 SH   SOLE   0 0 310,000
LULULEMON ATHLETICA COM 550021109 6,203 94,700 SH   SOLE   0 0 94,700
LUMINEX CORP COM 55027E102 11,314 548,950 SH   SOLE   1,108 0 547,842
MARINEMAX INC COM 567908108 5,715 504,409 SH   SOLE   2,152 0 502,257
MASTEC COM 576323109 14,548 442,178 SH   SOLE   0 0 442,178
MCGRATH RENT COM 580589109 1,207 35,334 SH   SOLE   700 0 34,634
MELLANOX TECHNOLOGIES COM M51363113 3,950 79,800 SH   SOLE   0 0 79,800
MERITAGE HOMES CORP COM 59001A102 6,987 161,150 SH   SOLE   0 0 161,150
METTLER TOLEDO COM 592688105 24,315 120,850 SH   SOLE   0 0 120,850
MICROSEMI COM 595137100 8,911 391,700 SH   SOLE   0 0 391,700
MOBILE MINI COM 60740F105 39,919 1,204,200 SH   SOLE   0 0 1,204,200
MODINE MANUFACTURING COM 607828100 14,342 1,318,244 SH   SOLE   4,770 0 1,313,474
MONOLITHIC POWER COM 609839105 10,021 415,650 SH   SOLE   470 0 415,180
MONOTYPE IMAGING COM 61022P100 17,714 697,137 SH   SOLE   1,060 0 696,077
MONRO MUFFLER COM 610236101 12,286 255,700 SH   SOLE   0 0 255,700
MONSTER BEVG CORP COM 611740101 7,032 115,600 SH   SOLE   0 0 115,600
MWI VETERINARY SUPPLY COM 55402X105 7,906 64,150 SH   SOLE   0 0 64,150
NANOSPHERE COM 63009F105 5,962 1,941,891 SH   SOLE   7,050 0 1,934,841
NEKTAR COM 640268108 33,336 2,886,200 SH   SOLE   1,150 0 2,885,050
NEOGENOMICS COM 64049M209 963 241,950 SH   SOLE   4,800 0 237,150
NUPATHE INC COM 67059M100 3,473 1,135,119 SH   SOLE   4,300 0 1,130,819
OCEANEERING INTERNATIONAL COM 675232102 5,047 69,900 SH   SOLE   0 0 69,900
OM GROUP COM 670872100 15,482 500,700 SH   SOLE   1,370 0 499,330
ONYX PHARMACEUTICALS COM 683399109 46,258 532,800 SH   SOLE   0 0 532,800
OPTIMER PHARMACEUTICALS COM 68401H104 38,149 2,636,421 SH   SOLE   0 0 2,636,421
OSI SYSTEMS COM 671044105 6,077 94,335 SH   SOLE   0 0 94,335
OUTERWALL INC COM 690070107 34,316 584,800 SH   SOLE   0 0 584,800
OXFORD INDUSTRIES COM 691497309 10,752 172,300 SH   SOLE   0 0 172,300
PAIN THERAPEUTICS COM 69562K100 265 119,960 SH   SOLE   2,380 0 117,580
PANDORA COM 698354107 53,470 2,905,960 SH   SOLE   0 0 2,905,960
PERFICIENT COM 71375U101 11,551 865,900 SH   SOLE   700 0 865,200
PERICOM SEMICONDUCTOR COM 713831105 2,590 363,699 SH   SOLE   0 0 363,699
POWER INTEGRATIONS COM 739276103 9,281 228,820 SH   SOLE   310 0 228,510
POWER SOLUTIONS INTERNATIONAL COM 73933G202 9,268 275,918 SH   SOLE   1,400 0 274,518
PRICESMART COM 741511109 20,926 238,800 SH   SOLE   0 0 238,800
PROGRESS SFTWR COM 743312100 7,785 338,310 SH   SOLE   860 0 337,450
PROOFPOINT COM 743424103 7,874 324,700 SH   SOLE   700 0 324,000
PROS HOLDING COM 74346Y103 17,179 573,600 SH   SOLE   0 0 573,600
PROTHENA CORP PLC COM G72800108 483 37,394 SH   SOLE   0 0 37,394
PROTO LABS COM 743713109 2,125 32,710 SH   SOLE   0 0 32,710
PTC INC COM 69370C100 36,367 1,482,570 SH   SOLE   0 0 1,482,570
QC HOLDINGS COM 74729T101 1,459 511,829 SH   SOLE   0 0 511,829
QIAGEN NV COM N72482107 18,194 913,800 SH   SOLE   0 0 913,800
QLIK TECHNOLOGIES COM 74733T105 31,394 1,110,500 SH   SOLE   0 0 1,110,500
QUALYS INC COM 74758T303 8,040 498,750 SH   SOLE   1,100 0 497,650
RADWARE COM M81873107 24,260 1,759,222 SH   SOLE   740 0 1,758,482
RBC BEARINGS COM 75524B104 35,788 688,898 SH   SOLE   470 0 688,428
REALD INC COM 75604L105 16,017 1,152,300 SH   SOLE   0 0 1,152,300
RED HAT INC COM 756577102 30,107 629,600 SH   SOLE   0 0 629,600
REGENERON COM 75886F107 31,011 137,900 SH   SOLE   0 0 137,900
RESPONSYS INC COM 761248103 7,806 545,490 SH   SOLE   0 0 545,490
RIVERBED TECHNOLOGY COM 768573107 27,429 1,762,800 SH   SOLE   0 0 1,762,800
ROCKY BRANDS COM 774515100 3,607 238,580 SH   SOLE   0 0 238,580
ROVI COM 779376102 14,889 651,900 SH   SOLE   0 0 651,900
RPC INC COM 749660106 11,977 867,250 SH   SOLE   0 0 867,250
RUCKUS WIRELESS COM 781220108 17,964 1,402,350 SH   SOLE   0 0 1,402,350
RUDOLPH TECH COM 781270103 3,213 286,897 SH   SOLE   1,060 0 285,837
RUSH ENTERPRISES COM 781846209 648 26,170 SH   SOLE   520 0 25,650
RYLAND GROUP COM 783764103 4,006 99,900 SH   SOLE   0 0 99,900
SAFEGUARD SCIENTIFICS COM 786449207 9,634 600,219 SH   SOLE   2,000 0 598,219
SALESFORCE.COM COM 79466L302 16,668 436,560 SH   SOLE   0 0 436,560
SANDSTORM GOLD COM 80013R206 302 51,704 SH   SOLE   0 0 51,704
SANTARUS COM 802817304 35,405 1,681,946 SH   SOLE   2,070 0 1,679,876
SAPIENT COM 803062108 10,048 769,400 SH   SOLE   0 0 769,400
SAREPTA THERAPEUTICS COM 803607100 13,193 346,840 SH   SOLE   290 0 346,550
SCHWEITZER MAUDUIT INT'L COM 808541106 36,687 735,500 SH   SOLE   0 0 735,500
SCIQUEST INC COM 80908T101 2,471 98,631 SH   SOLE   0 0 98,631
SEATTLE GENETICS COM 812578102 12,508 397,600 SH   SOLE   0 0 397,600
SHORETEL INC COM 825211105 5,160 1,280,410 SH   SOLE   3,480 0 1,276,930
SILICON LABORATORIES INC COM 826919102 27,452 662,920 SH   SOLE   0 0 662,920
SODASTREAM INTERNATIONAL COM M9068E105 1,831 25,200 SH   SOLE   500 0 24,700
SOLTA MEDICAL COM 83438K103 3,377 1,481,195 SH   SOLE   6,350 0 1,474,845
SOTHEBY'S COM 835898107 14,186 374,200 SH   SOLE   0 0 374,200
SOTHERLY HOTELS COM 83600C103 1,861 422,989 SH   SOLE   1,350 0 421,639
SOURCEFIRE COM 83616T108 43,751 787,600 SH   SOLE   0 0 787,600
SPARTON CORPORATION COM 847235108 797 46,242 SH   SOLE   1,000 0 45,242
SPS COMMERCE COM 78463M107 31,159 566,521 SH   SOLE   620 0 565,901
STAAR SURGICAL COM 852312305 829 81,710 SH   SOLE   1,620 0 80,090
STAG INDUSTRIAL COM 85254J102 20,331 1,019,090 SH   SOLE   1,590 0 1,017,500
STAGE STORES COM 85254C305 14,678 624,600 SH   SOLE   0 0 624,600
STEINER LEISURE LTD COM P8744Y102 18,442 348,890 SH   SOLE   0 0 348,890
STEVEN MADDEN COM 556269108 21,609 446,650 SH   SOLE   0 0 446,650
STRATASYS LTD COM M85548101 14,892 177,831 SH   SOLE   0 0 177,831
SUCAMPO PHARMACEUTICALS COM 864909106 7,314 1,111,569 SH   SOLE   2,580 0 1,108,989
SUPER MICRO COMPUTER COM 86800U104 17,611 1,655,201 SH   SOLE   570 0 1,654,631
SUPERIOR ENERGY COM 868157108 7,772 299,601 SH   SOLE   0 0 299,601
SYNERON MEDICAL LTD COM M87245102 6,550 752,824 SH   SOLE   2,160 0 750,664
TENNANT CO COM 880345103 11,960 247,766 SH   SOLE   420 0 247,346
TERADYNE COM 880770102 26,033 1,481,680 SH   SOLE   0 0 1,481,680
TESLA MOTORS COM 88160R101 6,676 62,185 SH   SOLE   0 0 62,185
TEXTURA CORP COM 883211104 1,655 63,630 SH   SOLE   0 0 63,630
THE FRESH MARKET COM 35804H106 25,445 511,770 SH   SOLE   0 0 511,770
TIFFANY COM 886547108 9,899 135,900 SH   SOLE   0 0 135,900
TITAN MACHINERY COM 88830R101 8,206 418,030 SH   SOLE   1,130 0 416,900
TIVO INC COM 888706108 41,503 3,755,920 SH   SOLE   0 0 3,755,920
TRIPADVISOR COM 896945201 7,874 129,360 SH   SOLE   0 0 129,360
TRIUMPH GROUP INC COM 896818101 32,111 405,700 SH   SOLE   0 0 405,700
TYLER TECHNOLOGIES COM 902252105 13,659 199,250 SH   SOLE   0 0 199,250
UBIQUITI NETWORKS COM 90347A100 22,765 1,297,900 SH   SOLE   0 0 1,297,900
ULTIMATE SOFTWARE GROUP COM 90385D107 58,252 496,650 SH   SOLE   0 0 496,650
UNDER ARMOUR COM 904311107 15,823 265,000 SH   SOLE   0 0 265,000
UNIVERSAL HEALTH SERVICES COM 913903100 17,651 263,600 SH   SOLE   0 0 263,600
VASCULAR SOLUTIONS COM 92231M109 6,007 408,385 SH   SOLE   1,020 0 407,365
VERA BRADLEY COM 92335C106 10,390 479,700 SH   SOLE   0 0 479,700
VERIFONE SYSTEMS INC COM 92342Y109 9,651 574,110 SH   SOLE   0 0 574,110
VERTEX PHARM COM 92532F100 34,330 428,800 SH   SOLE   0 0 428,800
VIRTUSA CORP COM 92827P102 9,958 449,351 SH   SOLE   680 0 448,671
WALTER ENERGY COM 93317Q105 1,713 164,700 SH   SOLE   0 0 164,700
WEST PHARMA SVCS COM 955306105 57,055 812,050 SH   SOLE   0 0 812,050
WNS HOLDINGS LTD COM 92932M101 19,382 1,161,300 SH   SOLE   0 0 1,161,300
ZELTIQ COM 98933Q108 2,173 340,017 SH   SOLE   8,000 0 332,017