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 33,258 1,471,615 SH   SOLE   1,466,315 0 5,300
A.O. Smith Corp. COM 831865209 19,177 251,300 SH   SOLE   187,100 0 64,200
Acadia Healthcare Co Inc COM 00404A109 68,006 1,234,005 SH   SOLE   937,070 0 296,935
ACI Worldwide Inc. COM 004498101 41,876 2,014,250 SH   SOLE   1,494,325 0 519,925
Aercap Holdings NV SHS N00985106 139,084 3,588,350 SH   SOLE   2,729,275 0 859,075
Albany International Corp CL A 012348108 81,257 2,161,675 SH   SOLE   2,154,275 0 7,400
Alexion Pharmaceuticals I COM 015351109 5,507 39,555 SH   SOLE   36,355 0 3,200
Allegiant Travel Co COM 01748X102 121,945 684,851 SH   SOLE   604,036 0 80,815
Allergan PLC SHS G0177J108 8,003 29,859 SH   SOLE   29,859 0 0
Alliance Data Systems Cor COM 018581108 289,837 1,317,442 SH   SOLE   931,992 0 385,450
Allied World Assurance Co SHS H01531104 101,267 2,898,300 SH   SOLE   2,232,350 0 665,950
Alnylam Pharmaceuticals I COM 02043Q107 10,109 161,050 SH   SOLE   120,650 0 40,400
Alphabet Inc Class C CAP STK CL C 02079K107 17,398 23,355 SH   SOLE   21,745 0 1,610
Amdocs Limited SHS G02602103 139,484 2,308,575 SH   SOLE   1,726,250 0 582,325
AMERISAFE Inc. COM 03071H100 26,411 502,680 SH   SOLE   500,980 0 1,700
Ametek Inc COM 031100100 84,206 1,684,800 SH   SOLE   1,297,575 0 387,225
Amphenol Corp. Cl A CL A 032095101 79,011 1,366,500 SH   SOLE   1,053,550 0 312,950
Apollo Global Management CL A SHS 037612306 118,956 6,948,350 SH   SOLE   5,215,350 0 1,733,000
Apple Inc COM 037833100 11,729 107,611 SH   SOLE   100,083 0 7,528
AptarGroup Inc. COM 038336103 48,285 615,800 SH   SOLE   458,150 0 157,650
ARM Holdings Pls Spons AD SPONSORED ADR 042068106 38,884 890,000 SH   SOLE   719,700 0 170,300
Artisan Partners Asset Ma CL A 04316A108 48,727 1,580,000 SH   SOLE   1,172,650 0 407,350
Asbury Automotive Group I COM 043436104 44,772 748,200 SH   SOLE   553,850 0 194,350
Ashland Inc. COM 044209104 40,366 367,100 SH   SOLE   282,850 0 84,250
Aspen Technology Inc. COM 045327103 32,802 907,900 SH   SOLE   673,700 0 234,200
Assured Guaranty Ltd COM G0585R106 69,056 2,729,500 SH   SOLE   2,102,700 0 626,800
Avis Budget Group Inc. COM 053774105 118,758 4,340,555 SH   SOLE   3,330,175 0 1,010,380
Blackhawk Network Holding COM 09238E104 52,155 1,520,565 SH   SOLE   1,515,265 0 5,300
Blue Buffalo Pet Products COM 09531U102 32,083 1,250,300 SH   SOLE   932,100 0 318,200
BofI Holding Inc. COM 05566U108 53,640 2,513,595 SH   SOLE   2,504,695 0 8,900
Booz Allen & Hamilton Inc CL A 099502106 151,682 5,009,300 SH   SOLE   3,812,050 0 1,197,250
Boston Beer Co. Cl A CL A 100557107 27,863 150,556 SH   SOLE   149,906 0 650
Boston Scientific Corpora COM 101137107 98,273 5,224,500 SH   SOLE   4,027,200 0 1,197,300
Bright Horizons Family So COM 109194100 122,258 1,887,279 SH   SOLE   1,662,379 0 224,900
Broadridge Financial Solu COM 11133T103 78,856 1,329,550 SH   SOLE   988,220 0 341,330
Broadsoft Inc COM 11133B409 38,336 950,092 SH   SOLE   946,692 0 3,400
Brown-Forman Corp. Cl B CL B 115637209 61,367 623,200 SH   SOLE   485,450 0 137,750
Brunswick Corp. COM 117043109 40,793 850,200 SH   SOLE   631,500 0 218,700
Burlington Stores Inc COM 122017106 61,304 1,090,045 SH   SOLE   1,086,345 0 3,700
Cable One Inc COM 12685J105 58,540 133,918 SH   SOLE   133,453 0 465
Cardinal Health Inc. COM 14149Y108 6,977 85,133 SH   SOLE   79,388 0 5,745
Cardtronics Inc COM 14161H108 32,319 898,013 SH   SOLE   894,863 0 3,150
Catalent Inc COM 148806102 84,452 3,166,550 SH   SOLE   2,408,400 0 758,150
Cavium Inc. COM 14964U108 49,748 813,400 SH   SOLE   604,600 0 208,800
CBRE Group Inc CL A 12504L109 100,052 3,471,600 SH   SOLE   2,673,900 0 797,700
CEB INC. COM 125134106 78,250 1,208,861 SH   SOLE   1,053,981 0 154,880
Cempra Holdings LLC COM 15130J109 35,677 2,036,360 SH   SOLE   1,773,560 0 262,800
Centene Corp. COM 15135B101 79,739 1,295,100 SH   SOLE   997,300 0 297,800
Cepheid COM 15670R107 19,122 573,200 SH   SOLE   426,200 0 147,000
Charter Communications In CL A NEW 16117M305 165,410 817,123 SH   SOLE   605,813 0 211,310
Church and Dwight Co COM 171340102 80,247 870,550 SH   SOLE   670,325 0 200,225
Cimarex Energy Co. COM 171798101 55,269 568,200 SH   SOLE   437,650 0 130,550
Civitas Solutions Inc COM 17887R102 33,370 1,914,505 SH   SOLE   1,907,905 0 6,600
Clarcor Inc COM 179895107 40,517 701,100 SH   SOLE   518,900 0 182,200
Cogent Communications Gro COM NEW 19239V302 39,720 1,017,675 SH   SOLE   1,014,075 0 3,600
Columbia Sportswear Co. COM 198516106 37,196 619,000 SH   SOLE   459,600 0 159,400
CommScope Holding Co Inc COM 20337X109 32,633 1,168,800 SH   SOLE   864,300 0 304,500
comScore Inc. COM 20564W105 24,191 805,285 SH   SOLE   802,485 0 2,800
Copart Inc. COM 217204106 75,212 1,844,800 SH   SOLE   1,421,525 0 423,275
CoreLogic, Inc. COM 21871D103 30,467 878,000 SH   SOLE   653,150 0 224,850
Cornerstone OnDemand Inc. COM 21925Y103 55,761 1,701,601 SH   SOLE   1,260,451 0 441,150
Costar Group Inc COM 22160N109 202,340 1,075,305 SH   SOLE   821,965 0 253,340
Costco Wholesale Corp. COM 22160K105 5,697 36,150 SH   SOLE   33,755 0 2,395
Cynosure Inc. (Cl A) CL A 232577205 38,125 864,110 SH   SOLE   861,210 0 2,900
Davita Healthcare Partner COM 23918K108 330,178 4,499,565 SH   SOLE   3,158,275 0 1,341,290
DBV Technologies SA ADR SPONSORED ADR 23306J101 32,212 989,603 SH   SOLE   907,453 0 82,150
Demandware Inc COM 24802Y105 33,493 856,590 SH   SOLE   853,490 0 3,100
Dermira Inc COM 24983L104 28,743 1,389,881 SH   SOLE   1,385,181 0 4,700
Diamondback Energy Inc COM 25278X109 29,799 386,100 SH   SOLE   286,850 0 99,250
Diplomat Pharmacy Inc COM 25456K101 30,331 1,106,955 SH   SOLE   1,102,655 0 4,300
Dollar Tree Inc. COM 256746108 128,978 1,564,125 SH   SOLE   1,185,325 0 378,800
Domino's Pizza Inc. COM 25754A201 85,037 644,900 SH   SOLE   496,550 0 148,350
Dun & Bradstreet Corp. COM 26483E100 37,861 367,300 SH   SOLE   273,700 0 93,600
Dunkin Brands Group Inc COM 265504100 42,510 901,200 SH   SOLE   669,800 0 231,400
Ecolab Inc COM 278865100 136,189 1,221,210 SH   SOLE   837,005 0 384,205
EMCOR Group Inc COM 29084Q100 47,162 970,404 SH   SOLE   967,004 0 3,400
Endologix Inc. COM 29266S106 22,130 2,647,135 SH   SOLE   2,637,935 0 9,200
Envestnet Inc. COM 29404K106 70,476 2,591,040 SH   SOLE   2,581,940 0 9,100
Envision Healthcare Holdi COM 29413U103 163,263 8,003,075 SH   SOLE   5,729,610 0 2,273,465
EOG Resources Inc. COM 26875P101 3,196 44,035 SH   SOLE   41,130 0 2,905
Equifax Inc. COM 294429105 229,111 2,004,650 SH   SOLE   1,431,600 0 573,050
Evolent Health Inc Cl A CL A 30050B101 12,595 1,192,755 SH   SOLE   1,188,255 0 4,500
ExamWorks Group Inc. COM 30066A105 42,866 1,450,145 SH   SOLE   1,445,445 0 4,700
Exlservice Holdings Inc COM 302081104 79,395 1,532,731 SH   SOLE   1,527,231 0 5,500
Facebook Inc CL A 30303M102 8,205 71,910 SH   SOLE   67,125 0 4,785
Fair Isaac Corp COM 303250104 25,618 241,470 SH   SOLE   240,620 0 850
FARO Technologies Inc. COM 311642102 24,862 771,860 SH   SOLE   768,960 0 2,900
Fastenal Co. COM 311900104 65,175 1,330,100 SH   SOLE   1,024,800 0 305,300
Fidelity National Informa COM 31620M106 55,281 873,180 SH   SOLE   692,135 0 181,045
Financial Engines Inc. COM 317485100 24,007 763,815 SH   SOLE   761,015 0 2,800
Five Below Inc COM 33829M101 19,620 474,600 SH   SOLE   353,300 0 121,300
Forum Energy Technologies COM 34984V100 34,063 2,580,500 SH   SOLE   1,916,000 0 664,500
G-III Apparel Group Ltd. COM 36237H101 46,462 950,345 SH   SOLE   947,045 0 3,300
Gartner Inc COM 366651107 203,810 2,281,025 SH   SOLE   1,625,800 0 655,225
Genesee and Wyoming Inc CL A 371559105 128,855 2,055,100 SH   SOLE   1,558,625 0 496,475
Gentherm Incorporated COM 37253A103 29,995 721,200 SH   SOLE   533,100 0 188,100
Global Eagle Entertainmen COM 37951D102 16,876 1,980,744 SH   SOLE   1,973,444 0 7,300
Global Payments Inc COM 37940X102 140,963 2,158,700 SH   SOLE   1,640,550 0 518,150
Globus Medical Inc Class CL A 379577208 46,386 1,953,104 SH   SOLE   1,946,504 0 6,600
Graco Inc COM 384109104 23,786 283,300 SH   SOLE   209,900 0 73,400
Grand Canyon Education In COM 38526M106 39,350 920,683 SH   SOLE   681,793 0 238,890
Gulfport Energy Corp COM NEW 402635304 28,857 1,018,250 SH   SOLE   1,014,750 0 3,500
Hanesbrands Inc COM 410345102 90,535 3,194,600 SH   SOLE   2,460,275 0 734,325
Healthcare Services Group COM 421906108 46,315 1,258,210 SH   SOLE   1,253,960 0 4,250
Hexcel Corp. COM 428291108 89,295 2,042,900 SH   SOLE   1,574,700 0 468,200
HFF Inc. Cl A CL A 40418F108 50,143 1,821,400 SH   SOLE   1,815,200 0 6,200
Hibbett Sports Inc. COM 428567101 30,167 840,300 SH   SOLE   837,400 0 2,900
Home Depot Inc. COM 437076102 8,662 64,915 SH   SOLE   60,495 0 4,420
Horizon Pharma Plc SHS G4617B105 67,375 4,066,100 SH   SOLE   3,569,050 0 497,050
HSN Inc. COM 404303109 34,284 655,400 SH   SOLE   486,900 0 168,500
Hubbell Incorporated COM 443510607 63,145 596,100 SH   SOLE   459,200 0 136,900
Huron Consulting Group In COM 447462102 75,259 1,293,327 SH   SOLE   1,138,457 0 154,870
ICF International Inc. COM 44925C103 22,221 646,514 SH   SOLE   644,514 0 2,000
IHS Inc CL A 451734107 32,120 258,700 SH   SOLE   199,525 0 59,175
Imax Corporation COM 45245E109 102,268 3,289,411 SH   SOLE   2,942,711 0 346,700
Inc Research Holdings Inc CL A 45329R109 62,608 1,519,250 SH   SOLE   1,128,450 0 390,800
Inogen Inc. COM 45780L104 53,379 1,186,720 SH   SOLE   1,182,720 0 4,000
Inovalon Holdings Inc Cla COM CL A 45781D101 4,063 219,400 SH   SOLE   163,400 0 56,000
Inter Parfums Inc COM 458334109 24,722 800,079 SH   SOLE   796,579 0 3,500
Intercontinental Exchange COM 45866F104 6,892 29,310 SH   SOLE   27,325 0 1,985
International Flavors & F COM 459506101 51,103 449,175 SH   SOLE   347,200 0 101,975
Intra-Cellular Therapies COM 46116X101 42,378 1,524,375 SH   SOLE   1,318,875 0 205,500
Intuit Inc. COM 461202103 3,477 33,425 SH   SOLE   31,215 0 2,210
INVESCO Ltd. SHS G491BT108 77,254 2,510,700 SH   SOLE   1,935,900 0 574,800
IPG Photonics Corp. COM 44980X109 29,823 310,400 SH   SOLE   231,700 0 78,700
iShares Russell Midcap Gr RUS MD CP GR ETF 464287481 1,097 11,900 SH   SOLE   7,500 0 4,400
J2 Global Inc. COM 48123V102 104,390 1,695,187 SH   SOLE   1,509,237 0 185,950
Jack Henry and Associates COM 426281101 78,650 930,000 SH   SOLE   691,250 0 238,750
KBR Inc. COM 48242W106 23,559 1,521,915 SH   SOLE   1,516,215 0 5,700
Kennedy-Wilson Holdings I COM 489398107 62,642 2,860,371 SH   SOLE   2,850,221 0 10,150
Knight Transportation Inc COM 499064103 53,041 2,028,320 SH   SOLE   2,014,680 0 13,640
L-3 Communications Holdin COM 502424104 118,858 1,003,025 SH   SOLE   762,085 0 240,940
Level 3 Communications In COM NEW 52729N308 55,762 1,055,100 SH   SOLE   812,700 0 242,400
Lithia Motors Inc. Cl A CL A 536797103 37,482 429,201 SH   SOLE   427,701 0 1,500
Littelfuse Inc. COM 537008104 54,673 444,100 SH   SOLE   442,600 0 1,500
MA-Com Technology Solutio COM 55405Y100 73,396 1,676,095 SH   SOLE   1,670,395 0 5,700
Markit Limited SHS G58249106 36,743 1,039,400 SH   SOLE   799,950 0 239,450
Marriott Vacations Worldw COM 57164Y107 33,860 501,630 SH   SOLE   372,150 0 129,480
Martin Marietta Materials COM 573284106 94,366 591,600 SH   SOLE   455,750 0 135,850
Matador Resources Company COM 576485205 25,860 1,363,925 SH   SOLE   1,359,375 0 4,550
Mattress Firm Holding Cor COM 57722W106 40,762 961,585 SH   SOLE   958,285 0 3,300
Maximus Inc COM 577933104 47,789 907,848 SH   SOLE   904,448 0 3,400
McGraw Hill Financial Inc COM 580645109 202,059 2,041,415 SH   SOLE   1,432,625 0 608,790
Medivation Inc. COM 58501N101 143,807 3,127,600 SH   SOLE   2,379,825 0 747,775
Mednax Inc COM 58502B106 55,706 862,050 SH   SOLE   639,100 0 222,950
Memorial Resource Develop COM 58605Q109 20,321 1,996,200 SH   SOLE   1,481,700 0 514,500
Microsoft Corp. COM 594918104 6,604 119,580 SH   SOLE   111,470 0 8,110
Milacron Holdings Corp COM 59870L106 21,153 1,282,800 SH   SOLE   1,278,200 0 4,600
MKS Instruments Inc. COM 55306N104 80,807 2,146,280 SH   SOLE   2,138,880 0 7,400
Monro Muffler Inc COM 610236101 74,514 1,042,589 SH   SOLE   1,039,039 0 3,550
Nasdaq Inc COM 631103108 79,148 1,192,350 SH   SOLE   919,050 0 273,300
Neustar Inc CL A 64126X201 61,185 2,487,200 SH   SOLE   1,916,600 0 570,600
NIC Inc COM 62914B100 40,491 2,245,777 SH   SOLE   2,238,077 0 7,700
NICE Systems Ltd - ADR SPONSORED ADR 653656108 41,900 646,700 SH   SOLE   496,950 0 149,750
Nielsen Holdings PLC SHS EUR G6518L108 336,073 6,381,936 SH   SOLE   4,495,511 0 1,886,425
Nike Inc CL B 654106103 6,799 110,605 SH   SOLE   102,865 0 7,740
Nord Anglia Education Inc SHS G6583A102 43,037 2,060,166 SH   SOLE   2,052,866 0 7,300
Nordson Corporation COM 655663102 21,504 282,800 SH   SOLE   209,900 0 72,900
NXP Semiconductors NV COM N6596X109 79,335 978,600 SH   SOLE   752,925 0 225,675
O'Reilly Automotive Inc COM 67103H107 142,759 521,665 SH   SOLE   379,600 0 142,065
Och-Ziff Capital Manageme CL A 67551U105 43,507 10,001,600 SH   SOLE   7,503,500 0 2,498,100
Old Dominion Freight Line COM 679580100 34,034 488,850 SH   SOLE   363,400 0 125,450
Ollie s Bargain Outlet Ho COM 681116109 36,551 1,560,000 SH   SOLE   1,554,600 0 5,400
On Assignment Inc COM 682159108 93,403 2,529,886 SH   SOLE   2,507,766 0 22,120
Orbital ATK Inc COM 68557N103 81,608 938,666 SH   SOLE   842,257 0 96,409
Park-Ohio Holdings Corp. COM 700666100 23,474 548,206 SH   SOLE   546,506 0 1,700
Paycom Software Inc. COM 70432V102 61,060 1,715,170 SH   SOLE   1,697,100 0 18,070
Paylocity Holding Corp COM 70438V106 29,756 908,870 SH   SOLE   674,620 0 234,250
PDC Energy Inc COM 69327R101 32,629 548,849 SH   SOLE   546,749 0 2,100
PepsiCo Inc. COM 713448108 3,759 36,685 SH   SOLE   34,240 0 2,445
PolyOne Corp. COM 73179P106 86,509 2,859,789 SH   SOLE   2,834,899 0 24,890
Pool Corporation COM 73278L105 82,098 935,700 SH   SOLE   720,425 0 215,275
Pra Health Sciences Inc COM 69354M108 62,210 1,454,855 SH   SOLE   1,449,805 0 5,050
Premier Inc CL A 74051N102 88,474 2,652,100 SH   SOLE   2,038,450 0 613,650
Press Ganey Holdings Inc COM 74113L102 41,882 1,392,365 SH   SOLE   1,387,765 0 4,600
Proassurance Corporation COM 74267C106 68,862 1,360,900 SH   SOLE   1,010,750 0 350,150
Proto Labs Inc COM 743713109 29,680 385,000 SH   SOLE   286,100 0 98,900
Q2 Holdings Inc COM 74736L109 54,081 2,249,638 SH   SOLE   2,242,038 0 7,600
Qlik Technologies Inc. COM 74733T105 178,634 6,176,835 SH   SOLE   5,080,085 0 1,096,750
Range Resources Corp. COM 75281A109 47,450 1,465,400 SH   SOLE   1,128,700 0 336,700
RBC Bearings Inc COM 75524B104 63,321 864,328 SH   SOLE   861,328 0 3,000
Renaissancere Holdings Lt COM G7496G103 180,275 1,504,425 SH   SOLE   1,119,375 0 385,050
Rexnord Holdings Inc COM 76169B102 99,895 4,940,392 SH   SOLE   4,302,192 0 638,200
Robert Half International COM 770323103 48,269 1,036,250 SH   SOLE   769,200 0 267,050
Rockwell Collins Inc COM 774341101 90,642 983,000 SH   SOLE   758,125 0 224,875
Ross Stores Inc. COM 778296103 87,244 1,506,800 SH   SOLE   1,160,875 0 345,925
RPM International Inc COM 749685103 195,523 4,131,060 SH   SOLE   3,140,585 0 990,475
Ryanair Holdings plc - SP SPONSORED ADR NE 783513203 78,199 911,200 SH   SOLE   736,650 0 174,550
SBA Communications Corp COM 78388J106 377,699 3,770,580 SH   SOLE   2,673,015 0 1,097,565
Science Applications Inte COM 808625107 46,673 875,000 SH   SOLE   875,000 0 0
Seres Therapeutics Inc COM 81750R102 13,104 493,385 SH   SOLE   491,585 0 1,800
Servicemaster Global Hold COM 81761R109 147,297 3,909,150 SH   SOLE   2,976,300 0 932,850
Signet Jewelers Ltd. SHS G81276100 68,564 552,800 SH   SOLE   425,850 0 126,950
Spirit Airlines Inc. COM 848577102 37,009 771,342 SH   SOLE   768,642 0 2,700
Starbucks Corp. COM 855244109 8,408 140,845 SH   SOLE   131,485 0 9,360
Stemline Therapeutics Inc COM 85858C107 5,434 1,166,005 SH   SOLE   1,161,505 0 4,500
Summit Materials Inc CL A 86614U100 34,521 1,774,862 SH   SOLE   1,768,822 0 6,040
Surgery Partners Inc COM 86881A100 26,189 1,975,000 SH   SOLE   1,464,450 0 510,550
Surgical Care Affiliates COM 86881L106 83,313 1,800,190 SH   SOLE   1,630,790 0 169,400
SVB Financial Group COM 78486Q101 48,872 478,900 SH   SOLE   355,900 0 123,000
Taylor Morrison Home Corp CL A 87724P106 27,574 1,952,800 SH   SOLE   1,449,550 0 503,250
Team Health Holding Inc. COM 87817A107 95,930 2,294,434 SH   SOLE   2,043,034 0 251,400
Tempur Sealy Internationa COM 88023U101 101,000 1,661,450 SH   SOLE   1,262,825 0 398,625
The Advisory Board Co COM 00762W107 80,390 2,492,722 SH   SOLE   2,180,692 0 312,030
The Ultimate Software Gro COM 90385D107 177,802 918,875 SH   SOLE   801,245 0 117,630
Tractor Supply Company COM 892356106 91,934 1,016,300 SH   SOLE   784,175 0 232,125
Transdigm Group Inc COM 893641100 76,083 345,300 SH   SOLE   265,875 0 79,425
Transunion COM 89400J107 69,163 2,505,000 SH   SOLE   1,860,000 0 645,000
Trinet Group Inc COM 896288107 28,959 2,018,025 SH   SOLE   1,826,525 0 191,500
Tyler Technologies Inc. COM 902252105 55,626 432,520 SH   SOLE   320,830 0 111,690
Union Pacific Corp. COM 907818108 4,612 57,975 SH   SOLE   54,135 0 3,840
United Natural Foods Inc COM 911163103 26,960 668,994 SH   SOLE   666,294 0 2,700
Universal Health Services CL B 913903100 95,211 763,400 SH   SOLE   590,300 0 173,100
Vantiv Inc CL A 92210H105 142,410 2,643,100 SH   SOLE   2,014,625 0 628,475
Verisk Analytics Inc. Cl COM 92345Y106 69,031 863,750 SH   SOLE   666,025 0 197,725
Visa Inc. COM CL A 92826C839 9,081 118,740 SH   SOLE   110,675 0 8,065
Wabco Holdings Inc COM 92927K102 116,190 1,086,700 SH   SOLE   827,625 0 259,075
WageWorks Inc COM 930427109 121,215 2,395,079 SH   SOLE   2,094,449 0 300,630
Watsco Inc. COM 942622200 31,664 235,000 SH   SOLE   174,350 0 60,650
Wesco International Inc COM 95082P105 64,842 1,186,065 SH   SOLE   1,033,565 0 152,500
West Corporation COM 952355204 38,738 1,697,553 SH   SOLE   1,690,503 0 7,050
Wex Inc COM 96208T104 110,965 1,331,154 SH   SOLE   1,172,364 0 158,790
Whitewave Foods Company COM 966244105 149,645 3,682,210 SH   SOLE   2,833,585 0 848,625
William Lyon Homes Shs A CL A NEW 552074700 26,610 1,836,455 SH   SOLE   1,828,955 0 7,500
Williams-Sonoma Inc. COM 969904101 84,186 1,537,925 SH   SOLE   1,166,175 0 371,750
WisdomTree Investments In COM 97717P104 69,454 6,076,505 SH   SOLE   5,406,950 0 669,555
WNS Holdings Ltd ADR SPON ADR 92932M101 61,632 2,011,500 SH   SOLE   1,544,900 0 466,600
Woodward Inc. COM 980745103 57,745 1,110,050 SH   SOLE   823,200 0 286,850
Wyndham Worldwide Corp. COM 98310W108 82,713 1,082,200 SH   SOLE   836,025 0 246,175
Xilinx Inc. COM 983919101 92,645 1,953,300 SH   SOLE   1,505,600 0 447,700