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 41,034 1,395,235 SH   SOLE   1,390,435 0 4,800
A.O. Smith Corp. COM 831865209 18,503 210,000 SH   SOLE   164,600 0 45,400
Acadia Healthcare Co Inc COM 00404A109 64,984 1,173,005 SH   SOLE   937,990 0 235,015
ACADIA Pharmaceuticals In COM 004225108 10,673 328,800 SH   SOLE   257,300 0 71,500
ACI Worldwide Inc. COM 004498101 36,965 1,894,650 SH   SOLE   1,482,025 0 412,625
Aercap Holdings NV SHS N00985106 109,837 3,269,925 SH   SOLE   2,601,950 0 667,975
Albany International Corp CL A 012348108 81,531 2,041,850 SH   SOLE   2,034,550 0 7,300
Alexion Pharmaceuticals I COM 015351109 3,487 29,865 SH   SOLE   28,365 0 1,500
Allegiant Travel Co COM 01748X102 113,031 746,076 SH   SOLE   673,811 0 72,265
Allergan PLC SHS G0177J108 5,676 24,564 SH   SOLE   24,564 0 0
Alliance Data Systems Cor COM 018581108 218,123 1,113,327 SH   SOLE   827,617 0 285,710
Allied World Assurance Co SHS H01531104 96,867 2,756,600 SH   SOLE   2,212,550 0 544,050
Alnylam Pharmaceuticals I COM 02043Q107 9,999 180,200 SH   SOLE   140,450 0 39,750
Alphabet Inc Class C CAP STK CL C 02079K107 17,343 25,058 SH   SOLE   23,973 0 1,085
Amdocs Limited SHS G02602103 148,283 2,569,000 SH   SOLE   1,891,125 0 677,875
American Renal Associates COM 029227105 30,708 1,060,000 SH   SOLE   1,056,400 0 3,600
AMERISAFE Inc. COM 03071H100 20,832 340,280 SH   SOLE   339,080 0 1,200
Ametek Inc COM 031100100 72,544 1,569,200 SH   SOLE   1,258,650 0 310,550
Amphenol Corp. Cl A CL A 032095101 79,656 1,389,425 SH   SOLE   1,114,875 0 274,550
Apollo Global Management CL A SHS 037612306 100,429 6,629,000 SH   SOLE   5,257,000 0 1,372,000
Apple Inc COM 037833100 9,840 102,931 SH   SOLE   98,633 0 4,298
AptarGroup Inc. COM 038336103 49,630 627,200 SH   SOLE   492,050 0 135,150
Artisan Partners Asset Ma CL A 04316A108 39,068 1,411,400 SH   SOLE   1,104,250 0 307,150
Asbury Automotive Group I COM 043436104 34,189 648,250 SH   SOLE   507,200 0 141,050
Aspen Technology Inc. COM 045327103 39,178 973,600 SH   SOLE   761,600 0 212,000
Assured Guaranty Ltd COM G0585R106 79,180 3,121,000 SH   SOLE   2,504,900 0 616,100
Atlassian Corporation Plc CL A G06242104 24,087 930,000 SH   SOLE   729,500 0 200,500
Avis Budget Group Inc. COM 053774105 115,931 3,597,000 SH   SOLE   2,872,590 0 724,410
Blackbaud Inc. COM 09227Q100 28,237 415,855 SH   SOLE   414,455 0 1,400
Blackhawk Network Holding COM 09238E104 50,086 1,495,550 SH   SOLE   1,490,450 0 5,100
Blue Buffalo Pet Products COM 09531U102 30,074 1,288,500 SH   SOLE   1,004,200 0 284,300
BofI Holding Inc. COM 05566U108 46,490 2,625,095 SH   SOLE   2,615,795 0 9,300
Booz Allen & Hamilton Inc CL A 099502106 140,033 4,724,450 SH   SOLE   3,757,100 0 967,350
Boston Scientific Corpora COM 101137107 105,888 4,530,950 SH   SOLE   3,636,550 0 894,400
Bright Horizons Family So COM 109194100 140,354 2,116,629 SH   SOLE   1,904,529 0 212,100
Broadridge Financial Solu COM 11133T103 72,307 1,109,000 SH   SOLE   869,850 0 239,150
Broadsoft Inc COM 11133B409 32,284 786,847 SH   SOLE   784,147 0 2,700
Brown-Forman Corp. Cl B CL B 115637209 56,629 567,650 SH   SOLE   461,425 0 106,225
Brunswick Corp. COM 117043109 28,398 626,600 SH   SOLE   491,000 0 135,600
Burlington Stores Inc COM 122017106 56,951 853,715 SH   SOLE   850,715 0 3,000
BWX Technologies, Inc. COM 05605H100 31,764 888,000 SH   SOLE   727,300 0 160,700
Cable One Inc COM 12685J105 64,444 126,013 SH   SOLE   125,568 0 445
Cardinal Health Inc. COM 14149Y108 7,093 90,928 SH   SOLE   87,133 0 3,795
Cardtronics Plc COM G1991C105 35,989 904,018 SH   SOLE   900,768 0 3,250
Carter's Inc. COM 146229109 36,434 342,200 SH   SOLE   267,500 0 74,700
Cavium Inc. COM 14964U108 19,300 500,000 SH   SOLE   393,200 0 106,800
CBRE Group Inc CL A 12504L109 94,764 3,578,700 SH   SOLE   2,812,300 0 766,400
CEB INC. COM 125134106 73,746 1,195,616 SH   SOLE   1,069,736 0 125,880
Cempra Inc COM 15130J109 33,819 2,050,860 SH   SOLE   1,842,160 0 208,700
Centene Corp. COM 15135B101 91,048 1,275,725 SH   SOLE   1,023,325 0 252,400
Church and Dwight Co COM 171340102 68,103 661,900 SH   SOLE   530,900 0 131,000
Cimarex Energy Co. COM 171798101 51,036 427,725 SH   SOLE   343,425 0 84,300
Civitas Solutions Inc COM 17887R102 41,928 2,012,855 SH   SOLE   2,005,855 0 7,000
Clarcor Inc COM 179895107 41,364 680,000 SH   SOLE   533,000 0 147,000
Cogent Communications Gro COM NEW 19239V302 39,057 974,975 SH   SOLE   971,375 0 3,600
Columbia Sportswear Co. COM 198516106 40,632 706,150 SH   SOLE   552,550 0 153,600
CommScope Holding Co Inc COM 20337X109 34,021 1,096,400 SH   SOLE   858,000 0 238,400
comScore Inc. COM 20564W105 19,290 807,785 SH   SOLE   804,985 0 2,800
Copart Inc. COM 217204106 83,892 1,711,725 SH   SOLE   1,374,050 0 337,675
CoreLogic, Inc. COM 21871D103 30,053 781,000 SH   SOLE   612,650 0 168,350
Cornerstone OnDemand Inc. COM 21925Y103 51,503 1,353,201 SH   SOLE   1,061,001 0 292,200
Costar Group Inc COM 22160N109 192,789 881,685 SH   SOLE   707,115 0 174,570
Costco Wholesale Corp. COM 22160K105 7,934 50,520 SH   SOLE   48,410 0 2,110
Cynosure Inc. (Cl A) CL A 232577205 27,859 572,700 SH   SOLE   570,700 0 2,000
Davita Healthcare Partner COM 23918K108 320,721 4,147,975 SH   SOLE   3,038,275 0 1,109,700
DBV Technologies SA ADR SPONSORED ADR 23306J101 32,116 984,553 SH   SOLE   909,603 0 74,950
Dermira Inc COM 24983L104 72,877 2,491,526 SH   SOLE   2,279,726 0 211,800
Diamondback Energy Inc COM 25278X109 25,539 280,000 SH   SOLE   219,200 0 60,800
Dick's Sporting Goods Inc COM 253393102 23,666 525,200 SH   SOLE   410,900 0 114,300
Diplomat Pharmacy Inc COM 25456K101 49,121 1,403,455 SH   SOLE   1,398,655 0 4,800
Dollar Tree Inc. COM 256746108 142,529 1,512,400 SH   SOLE   1,175,355 0 337,045
Domino's Pizza Inc. COM 25754A201 87,874 668,850 SH   SOLE   536,500 0 132,350
Dun & Bradstreet Corp. COM 26483E100 35,723 293,200 SH   SOLE   229,800 0 63,400
Dunkin Brands Group Inc COM 265504100 41,020 940,400 SH   SOLE   737,400 0 203,000
Ecolab Inc COM 278865100 125,553 1,058,625 SH   SOLE   760,675 0 297,950
Electronic Arts Inc. COM 285512109 69,889 922,500 SH   SOLE   740,250 0 182,250
EMCOR Group Inc COM 29084Q100 47,103 956,204 SH   SOLE   952,804 0 3,400
Endologix Inc. COM 29266S106 39,076 3,136,135 SH   SOLE   3,125,135 0 11,000
Envestnet Inc. COM 29404K106 67,638 2,030,555 SH   SOLE   2,023,655 0 6,900
Envision Healthcare Holdi COM 29413U103 102,376 4,035,300 SH   SOLE   3,200,700 0 834,600
Equifax Inc. COM 294429105 237,784 1,851,900 SH   SOLE   1,369,645 0 482,255
Evolent Health Inc Cl A CL A 30050B101 21,121 1,100,055 SH   SOLE   1,095,855 0 4,200
ExamWorks Group Inc. COM 30066A105 24,395 700,000 SH   SOLE   697,400 0 2,600
Exlservice Holdings Inc COM 302081104 81,837 1,561,481 SH   SOLE   1,555,781 0 5,700
Facebook Inc CL A 30303M102 7,649 66,930 SH   SOLE   64,135 0 2,795
Fair Isaac Corp COM 303250104 38,427 340,030 SH   SOLE   338,880 0 1,150
FARO Technologies Inc. COM 311642102 23,027 680,660 SH   SOLE   678,260 0 2,400
Fastenal Co. COM 311900104 48,741 1,098,025 SH   SOLE   880,825 0 217,200
Fidelity National Informa COM 31620M106 76,282 1,035,310 SH   SOLE   846,930 0 188,380
Financial Engines Inc. COM 317485100 12,317 476,100 SH   SOLE   474,500 0 1,600
Fleetcor Technologies Inc COM 339041105 75,659 528,600 SH   SOLE   424,350 0 104,250
Forum Energy Technologies COM 34984V100 27,144 1,568,100 SH   SOLE   1,225,000 0 343,100
G&K Services Inc. Cl A CL A 361268105 42,640 556,875 SH   SOLE   554,975 0 1,900
G-III Apparel Group Ltd. COM 36237H101 96,604 2,112,945 SH   SOLE   1,899,445 0 213,500
Gartner Inc COM 366651107 199,919 2,052,350 SH   SOLE   1,524,450 0 527,900
Genesee and Wyoming Inc CL A 371559105 111,312 1,888,250 SH   SOLE   1,501,450 0 386,800
Global Eagle Entertainmen COM 37951D102 13,354 2,011,144 SH   SOLE   2,002,844 0 8,300
Global Payments Inc COM 37940X102 171,883 2,408,000 SH   SOLE   1,848,675 0 559,325
Globus Medical Inc Class CL A 379577208 45,766 1,920,504 SH   SOLE   1,914,104 0 6,400
Grand Canyon Education In COM 38526M106 32,398 811,583 SH   SOLE   636,593 0 174,990
Gulfport Energy Corp COM NEW 402635304 45,014 1,440,000 SH   SOLE   1,435,100 0 4,900
Hanesbrands Inc COM 410345102 81,367 3,237,825 SH   SOLE   2,599,475 0 638,350
Healthcare Services Group COM 421906108 47,021 1,136,310 SH   SOLE   1,131,960 0 4,350
Hexcel Corp. COM 428291108 71,023 1,705,650 SH   SOLE   1,369,150 0 336,500
HFF Inc. Cl A CL A 40418F108 53,558 1,854,500 SH   SOLE   1,847,900 0 6,600
Hibbett Sports Inc. COM 428567101 44,189 1,270,150 SH   SOLE   1,265,850 0 4,300
Home Depot Inc. COM 437076102 8,471 66,340 SH   SOLE   63,495 0 2,845
Horizon Pharma Plc SHS G4617B105 63,563 3,859,290 SH   SOLE   3,462,090 0 397,200
HSN Inc. COM 404303109 28,242 577,200 SH   SOLE   454,050 0 123,150
Hubbell Incorporated COM 443510607 57,167 542,025 SH   SOLE   435,250 0 106,775
Huron Consulting Group In COM 447462102 76,259 1,262,147 SH   SOLE   1,140,077 0 122,070
ICF International Inc. COM 44925C103 25,886 632,914 SH   SOLE   630,914 0 2,000
Imax Corporation COM 45245E109 99,864 3,387,511 SH   SOLE   3,076,111 0 311,400
Inc Research Holdings Inc CL A 45329R109 49,569 1,300,000 SH   SOLE   1,018,900 0 281,100
Inogen Inc. COM 45780L104 58,234 1,162,120 SH   SOLE   1,158,220 0 3,900
Inter Parfums Inc COM 458334109 22,113 773,979 SH   SOLE   770,479 0 3,500
Intercontinental Exchange COM 45866F104 7,735 30,220 SH   SOLE   28,955 0 1,265
International Flavors & F COM 459506101 67,838 538,100 SH   SOLE   431,700 0 106,400
Intra-Cellular Therapies COM 46116X101 62,884 1,619,875 SH   SOLE   1,434,575 0 185,300
Intuit Inc. COM 461202103 6,615 59,265 SH   SOLE   56,790 0 2,475
IPG Photonics Corp. COM 44980X109 24,376 304,700 SH   SOLE   238,800 0 65,900
iShares Russell Midcap Gr RUS MD CP GR ETF 464287481 1,114 11,900 SH   SOLE   7,500 0 4,400
J2 Global Inc. COM 48123V102 125,475 1,986,307 SH   SOLE   1,799,707 0 186,600
Jack Henry and Associates COM 426281101 79,678 913,000 SH   SOLE   716,400 0 196,600
KBR Inc. COM 48242W106 23,856 1,801,815 SH   SOLE   1,795,615 0 6,200
Kennedy-Wilson Holdings I COM 489398107 64,814 3,418,461 SH   SOLE   3,406,711 0 11,750
Knight Transportation Inc COM 499064103 59,821 2,250,590 SH   SOLE   2,234,465 0 16,125
L-3 Communications Holdin COM 502424104 142,430 970,960 SH   SOLE   761,870 0 209,090
Level 3 Communications In COM NEW 52729N308 72,936 1,416,500 SH   SOLE   1,137,075 0 279,425
Lincoln Electric Holdings COM 533900106 14,404 243,800 SH   SOLE   195,925 0 47,875
Lithia Motors Inc. Cl A CL A 536797103 37,362 525,701 SH   SOLE   523,801 0 1,900
Littelfuse Inc. COM 537008104 54,403 460,300 SH   SOLE   458,700 0 1,600
Macom Technology Solution COM 55405Y100 45,842 1,390,000 SH   SOLE   1,385,300 0 4,700
Marriott Vacations Worldw COM 57164Y107 31,929 466,180 SH   SOLE   364,100 0 102,080
Martin Marietta Materials COM 573284106 97,618 508,425 SH   SOLE   401,250 0 107,175
Matador Resources Company COM 576485205 29,331 1,481,365 SH   SOLE   1,476,315 0 5,050
Mattress Firm Holding Cor COM 57722W106 28,453 848,070 SH   SOLE   845,270 0 2,800
Maximus Inc COM 577933104 50,821 917,848 SH   SOLE   914,248 0 3,600
Medivation Inc. COM 58501N101 160,817 2,666,950 SH   SOLE   2,097,150 0 569,800
Mednax Inc COM 58502B106 57,944 800,000 SH   SOLE   626,900 0 173,100
Memorial Resource Develop COM 58605Q109 31,844 2,005,300 SH   SOLE   1,567,000 0 438,300
Microsoft Corp. COM 594918104 6,936 135,550 SH   SOLE   129,890 0 5,660
Milacron Holdings Corp COM 59870L106 32,683 2,252,430 SH   SOLE   2,242,830 0 9,600
MKS Instruments Inc. COM 55306N104 88,276 2,050,080 SH   SOLE   2,042,980 0 7,100
Monro Muffler Inc COM 610236101 82,362 1,295,814 SH   SOLE   1,291,364 0 4,450
Monsanto Co. COM 61166W101 3,303 31,940 SH   SOLE   30,255 0 1,685
Nasdaq Inc COM 631103108 66,946 1,035,200 SH   SOLE   830,525 0 204,675
Neurocrine Biosciences In COM 64125C109 19,875 437,300 SH   SOLE   342,100 0 95,200
Neustar Inc CL A 64126X201 56,250 2,392,600 SH   SOLE   1,920,600 0 472,000
New Charter Class A Commo CL A 16119P108 11,097 48,535 SH   SOLE   46,509 0 2,026
NIC Inc COM 62914B100 49,169 2,241,077 SH   SOLE   2,233,377 0 7,700
NICE Ltd SPONSORED ADR 653656108 41,158 644,600 SH   SOLE   504,350 0 140,250
Nielsen Holdings PLC SHS EUR G6518L108 312,547 6,013,981 SH   SOLE   4,418,021 0 1,595,960
Nike Inc CL B 654106103 7,232 131,020 SH   SOLE   125,545 0 5,475
Nord Anglia Education Inc SHS G6583A102 38,572 1,824,591 SH   SOLE   1,817,591 0 7,000
Nordson Corporation COM 655663102 15,869 189,800 SH   SOLE   148,200 0 41,600
NXP Semiconductors NV COM N6596X109 63,957 816,400 SH   SOLE   654,800 0 161,600
O'Reilly Automotive Inc COM 67103H107 166,998 616,000 SH   SOLE   446,875 0 169,125
Old Dominion Freight Line COM 679580100 29,473 488,700 SH   SOLE   382,250 0 106,450
Ollie s Bargain Outlet Ho COM 681116109 40,695 1,635,000 SH   SOLE   1,629,400 0 5,600
On Assignment Inc COM 682159108 100,539 2,720,946 SH   SOLE   2,703,941 0 17,005
Orbital ATK Inc COM 68557N103 96,965 1,138,888 SH   SOLE   1,025,206 0 113,682
Paycom Software Inc. COM 70432V102 68,425 1,583,545 SH   SOLE   1,578,045 0 5,500
Paylocity Holding Corp COM 70438V106 40,504 937,600 SH   SOLE   735,000 0 202,600
PDC Energy Inc COM 69327R101 35,099 609,249 SH   SOLE   607,249 0 2,000
Performance Foods Group C COM 71377A103 30,015 1,115,400 SH   SOLE   874,500 0 240,900
PolyOne Corp. COM 73179P106 78,878 2,238,309 SH   SOLE   2,224,234 0 14,075
Pool Corporation COM 73278L105 73,804 784,900 SH   SOLE   629,625 0 155,275
Pra Health Sciences Inc COM 69354M108 56,520 1,353,455 SH   SOLE   1,348,805 0 4,650
Premier Inc CL A 74051N102 83,595 2,556,425 SH   SOLE   2,053,075 0 503,350
Press Ganey Holdings Inc COM 74113L102 42,339 1,075,965 SH   SOLE   1,071,565 0 4,400
Proassurance Corporation COM 74267C106 102,204 1,908,580 SH   SOLE   1,614,830 0 293,750
Proto Labs Inc COM 743713109 40,263 699,500 SH   SOLE   548,400 0 151,100
Q2 Holdings Inc COM 74736L109 58,011 2,070,346 SH   SOLE   2,062,946 0 7,400
Qlik Technologies Inc. COM 74733T105 132,718 4,486,735 SH   SOLE   3,895,485 0 591,250
Range Resources Corp. COM 75281A109 43,649 1,011,800 SH   SOLE   812,000 0 199,800
RBC Bearings Inc COM 75524B104 46,373 639,628 SH   SOLE   637,328 0 2,300
Renaissancere Holdings Lt COM G7496G103 150,203 1,278,975 SH   SOLE   992,325 0 286,650
Rexnord Holdings Inc COM 76169B102 94,340 4,805,892 SH   SOLE   4,293,192 0 512,700
Robert Half International COM 770323103 35,229 923,200 SH   SOLE   721,200 0 202,000
Rockwell Collins Inc COM 774341101 75,543 887,275 SH   SOLE   712,075 0 175,200
Ross Stores Inc. COM 778296103 96,345 1,699,500 SH   SOLE   1,364,275 0 335,225
RPM International Inc COM 749685103 143,556 2,874,000 SH   SOLE   2,286,650 0 587,350
Ryanair Holdings plc - SP SPONSORED ADR NE 783513203 76,438 1,099,200 SH   SOLE   882,050 0 217,150
S S and C Technologies Ho COM 78467J100 69,742 2,483,700 SH   SOLE   1,993,600 0 490,100
S&P Global COM 78409V104 191,016 1,780,870 SH   SOLE   1,305,885 0 474,985
SBA Communications Corp COM 78388J106 386,236 3,578,245 SH   SOLE   2,643,815 0 934,430
Science Applications Inte COM 808625107 56,308 965,000 SH   SOLE   965,000 0 0
Sealed Air Corp. COM 81211K100 77,193 1,679,200 SH   SOLE   1,347,850 0 331,350
Seres Therapeutics Inc COM 81750R102 14,266 491,085 SH   SOLE   489,285 0 1,800
Servicemaster Global Hold COM 81761R109 152,979 3,843,700 SH   SOLE   3,062,200 0 781,500
Signet Jewelers Ltd. SHS G81276100 40,216 488,000 SH   SOLE   391,450 0 96,550
Spirit Airlines Inc. COM 848577102 25,804 575,092 SH   SOLE   573,092 0 2,000
Sportsmans Warehouse Hold COM 84920Y106 16,120 2,000,000 SH   SOLE   1,992,700 0 7,300
Starbucks Corp. COM 855244109 5,717 100,087 SH   SOLE   95,907 0 4,180
Stemline Therapeutics Inc COM 85858C107 6,432 950,005 SH   SOLE   946,105 0 3,900
Summit Materials Inc CL A 86614U100 43,928 2,147,042 SH   SOLE   2,139,652 0 7,390
Surgery Partners Inc COM 86881A100 35,711 1,995,000 SH   SOLE   1,562,800 0 432,200
Surgical Care Affiliates COM 86881L106 69,837 1,465,000 SH   SOLE   1,333,850 0 131,150
SVB Financial Group COM 78486Q101 118,960 1,250,100 SH   SOLE   991,250 0 258,850
Taylor Morrison Home Corp CL A 87724P106 27,304 1,839,900 SH   SOLE   1,438,450 0 401,450
Team Health Holding Inc. COM 87817A107 99,535 2,447,384 SH   SOLE   2,234,634 0 212,750
Tempur Sealy Internationa COM 88023U101 95,081 1,718,750 SH   SOLE   1,365,525 0 353,225
The Advisory Board Co COM 00762W107 93,188 2,633,187 SH   SOLE   2,374,057 0 259,130
The Ultimate Software Gro COM 90385D107 183,574 872,955 SH   SOLE   780,630 0 92,325
Tractor Supply Company COM 892356106 74,686 819,100 SH   SOLE   658,200 0 160,900
Transdigm Group Inc COM 893641100 67,254 255,050 SH   SOLE   204,375 0 50,675
Transunion COM 89400J107 72,458 2,166,800 SH   SOLE   1,694,900 0 471,900
Trinet Group Inc COM 896288107 26,406 1,270,125 SH   SOLE   1,265,025 0 5,100
Tyler Technologies Inc. COM 902252105 57,917 347,410 SH   SOLE   272,020 0 75,390
Union Pacific Corp. COM 907818108 2,027 23,230 SH   SOLE   22,135 0 1,095
Universal Health Services CL B 913903100 93,816 699,600 SH   SOLE   562,950 0 136,650
Vantiv Inc CL A 92210H105 152,741 2,698,600 SH   SOLE   2,148,650 0 549,950
Verisk Analytics Inc. Cl COM 92345Y106 84,184 1,038,280 SH   SOLE   843,105 0 195,175
Vertex Pharmaceuticals In COM 92532F100 61,066 709,910 SH   SOLE   570,335 0 139,575
Visa Inc. COM CL A 92826C839 8,830 119,050 SH   SOLE   113,900 0 5,150
Wabco Holdings Inc COM 92927K102 117,706 1,285,425 SH   SOLE   1,029,925 0 255,500
WageWorks Inc COM 930427109 105,259 1,759,889 SH   SOLE   1,624,059 0 135,830
Watsco Inc. COM 942622200 29,608 210,450 SH   SOLE   164,500 0 45,950
Watts Water Technologies CL A 942749102 24,928 427,870 SH   SOLE   426,470 0 1,400
Wesco International Inc COM 95082P105 41,977 815,240 SH   SOLE   736,440 0 78,800
West Corporation COM 952355204 29,424 1,496,663 SH   SOLE   1,489,613 0 7,050
Wex Inc COM 96208T104 129,216 1,457,274 SH   SOLE   1,307,484 0 149,790
Whitewave Foods Company COM 966244105 168,275 3,584,905 SH   SOLE   2,883,235 0 701,670
William Lyon Homes Shs A CL A NEW 552074700 29,413 1,824,655 SH   SOLE   1,817,155 0 7,500
Williams-Sonoma Inc. COM 969904101 103,208 1,979,825 SH   SOLE   1,573,550 0 406,275
WisdomTree Investments In COM 97717P104 62,141 6,347,435 SH   SOLE   5,800,855 0 546,580
WNS Holdings Ltd ADR SPON ADR 92932M101 53,668 1,987,700 SH   SOLE   1,558,200 0 429,500
Woodward Inc. COM 980745103 59,859 1,038,500 SH   SOLE   811,550 0 226,950
Wyndham Worldwide Corp. COM 98310W108 79,199 1,111,875 SH   SOLE   894,600 0 217,275
Xilinx Inc. COM 983919101 91,587 1,985,400 SH   SOLE   1,593,500 0 391,900