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
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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
Acadia Healthcare Co., Inc. COM 00404A109 19,916 437,716 SH   SOLE   250,129 0 187,587
Actavis Plc. COM G0083B108 9,354 41,937 SH   SOLE   41,937 0 0
Acuity Brands COM 00508Y102 5,830 42,170 SH   SOLE   42,170 0 0
Adobe Systems, Inc. COM 00724F101 3,615 49,952 SH   SOLE   49,952 0 0
Air Methods Corp. COM 009128307 20,457 396,072 SH   SOLE   164,233 0 231,839
Akamai Technologies, Inc. COM 00971T101 15,897 260,345 SH   SOLE   21,358 0 238,987
Akorn Inc COM 009728106 29,746 894,606 SH   SOLE   373,206 0 521,400
Alexion Pharmaceuticals, Inc. COM 015351109 13,188 84,400 SH   SOLE   33,138 0 51,262
Alkermes, Inc. COM G01767105 6,536 129,866 SH   SOLE   129,866 0 0
Alliance Data Systems Corp COM 018581108 6,460 22,970 SH   SOLE   22,970 0 0
American Equity Invt Life HL COM 025676206 17,448 709,273 SH   SOLE   231,544 0 477,729
American Tower Corp COM 03027X100 8,109 90,115 SH   SOLE   90,115 0 0
Apple, Inc. COM 037833100 6,679 71,869 SH   SOLE   71,869 0 0
BE Aerospace, Inc. COM 073302101 14,387 155,555 SH   SOLE   155,555 0 0
Bally Technologies, Inc COM 05874B107 4,994 75,985 SH   SOLE   75,985 0 0
Berkshire Hathaway, Inc. - Cla COM 084670108 760 4 SH   SOLE   4 0 0
Big Lots Inc COM 089302103 6,507 142,391 SH   SOLE   142,391 0 0
Brookdale Senior Living, Inc. COM 112463104 29,499 884,786 SH   SOLE   332,018 0 552,768
Bruker Corp. COM 116794108 4,882 201,160 SH   SOLE   201,160 0 0
Buffalo Wild Wings, Inc. COM 119848109 8,712 52,571 SH   SOLE   52,571 0 0
C&J Energy Services, Inc. COM 12467B304 14,446 427,661 SH   SOLE   427,661 0 0
CAI International, Inc. COM 12477X106 20,177 916,699 SH   SOLE   553,469 0 363,230
CBRE Group Inc COM 12504L109 8,974 280,085 SH   SOLE   280,085 0 0
CVS Caremark Corp. COM 126650100 5,715 75,823 SH   SOLE   75,823 0 0
Calgon Carbon Corp. COM 129603106 1,235 55,314 SH   SOLE   19,801 0 35,513
Callidus Software Inc COM 13123E500 5,729 479,818 SH   SOLE   479,818 0 0
Cambrex Corp COM 132011107 10,952 529,073 SH   SOLE   529,073 0 0
Carbo Ceramics COM 140781105 3,474 22,544 SH   SOLE   22,544 0 0
Cardtronics, Inc. COM 14161H108 6,648 195,063 SH   SOLE   195,063 0 0
CareFusion COM 14170T101 23,483 529,483 SH   SOLE   107,075 0 422,408
Catamaran Corp. COM 148887102 9,483 214,741 SH   SOLE   17,584 0 197,157
Cavium Inc. COM 14964U108 7,046 141,890 SH   SOLE   50,803 0 91,087
Celgene Corp. COM 151020104 6,632 77,228 SH   SOLE   77,228 0 0
Cogent Communications Holdings COM 19239V302 5,794 167,700 SH   SOLE   167,700 0 0
Cohen & Steers, Inc. COM 19247A100 31,151 718,086 SH   SOLE   372,734 0 345,352
Constant Contact, Inc. COM 210313102 32,876 1,023,860 SH   SOLE   363,795 0 660,065
Copart, Inc. COM 217204106 15,903 442,243 SH   SOLE   36,235 0 406,008
Cumulus Media Inc - CL A COM 231082108 17,632 2,675,501 SH   SOLE   1,069,553 0 1,605,948
Cyberonics, Inc. COM 23251P102 21,585 345,586 SH   SOLE   205,990 0 139,596
D R Horton COM 23331A109 11,650 473,956 SH   SOLE   473,956 0 0
DIRECTV COM 25490A101 6,330 74,465 SH   SOLE   74,465 0 0
DSW, Inc. COM 23334L102 7,510 268,793 SH   SOLE   102,922 0 165,871
DealerTrack Technology COM 242309102 38,614 851,665 SH   SOLE   299,027 0 552,638
Deckers Outdoor COM 243537107 6,450 74,716 SH   SOLE   74,716 0 0
Demandware Inc COM 24802Y105 25,084 361,603 SH   SOLE   167,573 0 194,030
Discovery Communications COM 25470F302 6,467 89,087 SH   SOLE   89,087 0 0
Eagle Bancorp, Inc. COM 268948106 8,276 245,208 SH   SOLE   245,208 0 0
Eagle Materials COM 26969P108 23,792 252,354 SH   SOLE   80,172 0 172,182
Ebay, Inc. COM 278642103 5,451 108,895 SH   SOLE   108,895 0 0
Endo Pharmaceuticals COM G30401106 6,824 97,456 SH   SOLE   97,456 0 0
Express Scripts Holding Co. COM 30219G108 5,444 78,528 SH   SOLE   78,528 0 0
F5 Networks, Inc. COM 315616102 4,926 44,206 SH   SOLE   44,206 0 0
FMC Technologies, Inc. COM 30249U101 8,534 139,745 SH   SOLE   139,745 0 0
FTI Consulting, Inc. COM 302941109 6,394 169,056 SH   SOLE   169,056 0 0
Ferro Corp COM 315405100 5,628 448,065 SH   SOLE   448,065 0 0
Fleetcor Technologies COM 339041105 6,409 48,629 SH   SOLE   48,629 0 0
Fluor Corp. COM 343412102 6,108 79,426 SH   SOLE   79,426 0 0
Generac Holdings Inc COM 368736104 37,155 762,320 SH   SOLE   313,935 0 448,385
Gentherm Inc COM 37253A103 27,891 627,466 SH   SOLE   324,743 0 302,723
Globus Medical Inc COM 379577208 32,364 1,353,003 SH   SOLE   632,594 0 720,409
Google, Inc. - Class A COM 38259P508 5,234 8,952 SH   SOLE   8,952 0 0
Google, Inc. - Class C COM 38259P706 5,150 8,952 SH   SOLE   8,952 0 0
Grand Canyon Education Inc. COM 38526M106 6,597 143,513 SH   SOLE   143,513 0 0
Greenbrier Companies, Inc. COM 393657101 6,482 112,530 SH   SOLE   112,530 0 0
Grifols SA - ADR COM 398438408 4,657 105,728 SH   SOLE   105,728 0 0
Gulfport Energy Corp COM 402635304 19,282 307,046 SH   SOLE   117,265 0 189,781
Hanesbrands, Inc. COM 410345102 36,019 365,902 SH   SOLE   187,295 0 178,607
Herman Miller, Inc. COM 600544100 39,094 1,292,792 SH   SOLE   457,143 0 835,649
Homeaway, Inc. COM 43739Q100 36,527 1,049,021 SH   SOLE   440,375 0 608,646
ITT Corp COM 450911201 7,019 145,916 SH   SOLE   145,916 0 0
Integrated Device Tech Inc COM 458118106 27,681 1,790,465 SH   SOLE   927,252 0 863,213
International Business Machine COM 459200101 4,926 27,177 SH   SOLE   27,177 0 0
J2 Global Inc. COM 48123V102 40,014 786,744 SH   SOLE   306,648 0 480,096
Jarden Corp. COM 471109108 9,756 164,382 SH   SOLE   63,943 0 100,439
Jazz Pharmaceuticals plc COM G50871105 10,793 73,416 SH   SOLE   22,007 0 51,409
Kansas City Southern COM 485170302 6,160 57,295 SH   SOLE   57,295 0 0
Kate Spade & Co. COM 485865109 6,209 162,807 SH   SOLE   162,807 0 0
Key Energy Services Inc COM 492914106 19,291 2,110,574 SH   SOLE   772,195 0 1,338,379
Kforce, Inc. COM 493732101 10,819 499,706 SH   SOLE   499,706 0 0
Lannett Co Inc COM 516012101 18,976 382,429 SH   SOLE   217,913 0 164,516
Lear Corp COM 521865204 6,712 75,147 SH   SOLE   75,147 0 0
LyondellBasell Indu - Cl A COM N53745100 10,366 106,153 SH   SOLE   106,153 0 0
MSC Indsutrial Direct Co. - Cl COM 553530106 6,523 68,202 SH   SOLE   68,202 0 0
Marlin Business Services, Inc. COM 571157106 6,438 353,956 SH   SOLE   353,956 0 0
Marriott International COM 571903202 6,696 104,455 SH   SOLE   104,455 0 0
Marvell Technology Group COM G5876H105 2,681 187,099 SH   SOLE   187,099 0 0
Maximus, Inc. COM 577933104 6,221 144,605 SH   SOLE   144,605 0 0
Medidata Solutions Inc COM 58471A105 3,203 74,816 SH   SOLE   40,032 0 34,784
Mellanox Technologies COM M51363113 19,407 556,725 SH   SOLE   234,674 0 322,051
Monolithic Power Systems, Inc. COM 609839105 22,279 526,065 SH   SOLE   169,675 0 356,390
Monsanto Company COM 61166W101 7,127 57,134 SH   SOLE   57,134 0 0
Movado Group, Inc. COM 624580106 31,440 754,488 SH   SOLE   274,966 0 479,522
NCI Building Systems Inc COM 628852204 18,416 947,833 SH   SOLE   295,441 0 652,392
NPS Pharmaceuticals, Inc. COM 62936P103 5,601 169,459 SH   SOLE   169,459 0 0
NXP Semiconductors COM N6596X109 7,238 109,367 SH   SOLE   109,367 0 0
Och-Ziff Capital Management Gr COM 67551U105 30,929 2,236,380 SH   SOLE   180,804 0 2,055,576
Oracle Corp. COM 68389X105 6,397 157,841 SH   SOLE   157,841 0 0
Palo Alto Networks COM 697435105 29,650 353,604 SH   SOLE   153,979 0 199,625
Penn Virginia Corp. COM 707882106 23,063 1,360,675 SH   SOLE   801,979 0 558,696
PepsiCo, Inc. COM 713448108 7,275 81,428 SH   SOLE   81,428 0 0
Perkin Elmer Inc COM 714046109 19,846 423,704 SH   SOLE   34,707 0 388,997
Pharmerica Corp COM 71714F104 16,927 592,060 SH   SOLE   185,475 0 406,585
Power Integrations, Inc. COM 739276103 6,163 107,116 SH   SOLE   107,116 0 0
PriceSmart Inc COM 741511109 14,507 166,668 SH   SOLE   51,615 0 115,053
PrivateBancorp, Inc. COM 742962103 4,752 163,527 SH   SOLE   163,527 0 0
Proofpoint Inc COM 743424103 31,010 827,806 SH   SOLE   351,659 0 476,147
Robert Half International, Inc COM 770323103 23,006 481,912 SH   SOLE   39,485 0 442,427
Ruth's Hospitality Group COM 783332109 4,104 332,298 SH   SOLE   332,298 0 0
Ryland Group, Inc. COM 783764103 34,562 876,329 SH   SOLE   325,074 0 551,255
SAIA Inc COM 78709Y105 24,346 554,198 SH   SOLE   238,686 0 315,512
Salix Pharmaceuticals Ltd. COM 795435106 28,741 233,005 SH   SOLE   62,384 0 170,621
Signature Bank COM 82669G104 19,274 152,752 SH   SOLE   12,515 0 140,237
Snap-On Inc COM 833034101 4,687 39,546 SH   SOLE   39,546 0 0
Sotheby's COM 835898107 8,682 206,775 SH   SOLE   74,026 0 132,749
Spirit Airlines Inc COM 848577102 6,743 106,622 SH   SOLE   106,622 0 0
Starbucks Corp. COM 855244109 6,880 88,917 SH   SOLE   88,917 0 0
Superior Energy Services, Inc. COM 868157108 18,668 516,554 SH   SOLE   42,367 0 474,187
Susser Holdings Corp. COM 869233106 5,303 65,696 SH   SOLE   65,696 0 0
TAL International Group COM 874083108 7,442 167,766 SH   SOLE   13,747 0 154,019
The Cooper Cos, Inc. COM 216648402 18,491 136,438 SH   SOLE   54,280 0 82,158
TherapeuticsMD Inc COM 88338N107 8,425 1,906,082 SH   SOLE   738,226 0 1,167,856
Tower Semiconductor COM M87915274 2,916 321,161 SH   SOLE   321,161 0 0
TripAdvisor Inc COM 896945201 6,235 57,384 SH   SOLE   57,384 0 0
Tyler Technologies COM 902252105 16,600 181,996 SH   SOLE   58,529 0 123,467
US Silica Holdings Inc COM 90346E103 31,477 567,762 SH   SOLE   207,542 0 360,220
Ubiquiti Networks Inc COM 90347A100 38,949 861,889 SH   SOLE   397,030 0 464,859
Union Pacific Corp COM 907818108 7,118 71,362 SH   SOLE   71,362 0 0
United Rentals Inc COM 911363109 7,138 68,160 SH   SOLE   68,160 0 0
Universal Forest Products COM 913543104 24,563 508,864 SH   SOLE   185,943 0 322,921
Universal Health Services COM 913903100 6,356 66,372 SH   SOLE   66,372 0 0
Visa, Inc. COM 92826C839 5,344 25,363 SH   SOLE   25,363 0 0
Web.com Group COM 94733A104 41,330 1,431,575 SH   SOLE   654,875 0 776,700
Western Union COM 959802109 8,560 493,649 SH   SOLE   493,649 0 0
Whitewave Goods COM 966244105 6,233 192,546 SH   SOLE   192,546 0 0
Wuxi Pharmatech, Inc. - ADR COM 929352102 18,300 556,918 SH   SOLE   218,260 0 338,658
comScore, Inc. COM 20564W105 10,841 305,539 SH   SOLE   109,658 0 195,881
priceline.com, Inc. COM 741503403 4,322 3,593 SH   SOLE   3,593 0 0