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 59,354 1,550,115 SH   SOLE   1,544,815 0 5,300
A.O. Smith Corp. COM 831865209 13,337 135,000 SH   SOLE   105,500 0 29,500
Acadia Healthcare Co Inc COM 00404A109 66,596 1,344,015 SH   SOLE   1,071,865 0 272,150
ACADIA Pharmaceuticals In COM 004225108 12,190 383,200 SH   SOLE   300,200 0 83,000
ACI Worldwide Inc. COM 004498101 37,189 1,918,950 SH   SOLE   1,504,425 0 414,525
Aercap Holdings NV SHS N00985106 122,402 3,180,100 SH   SOLE   2,525,975 0 654,125
Albany International Corp CL A 012348108 86,589 2,043,150 SH   SOLE   2,036,050 0 7,100
Alexion Pharmaceuticals I COM 015351109 3,546 28,940 SH   SOLE   27,140 0 1,800
Allegiant Travel Co COM 01748X102 99,682 754,766 SH   SOLE   682,196 0 72,570
Allergan PLC SHS G0177J108 5,436 23,604 SH   SOLE   23,604 0 0
Alliance Data Systems Cor COM 018581108 212,999 992,862 SH   SOLE   738,517 0 254,345
Allied World Assurance Co SHS H01531104 109,108 2,699,350 SH   SOLE   2,158,600 0 540,750
Alnylam Pharmaceuticals I COM 02043Q107 13,271 195,800 SH   SOLE   154,000 0 41,800
Alphabet Inc Class C CAP STK CL C 02079K107 18,559 23,877 SH   SOLE   22,862 0 1,015
Amdocs Limited SHS G02602103 156,831 2,711,000 SH   SOLE   1,954,950 0 756,050
Amedisys Inc. COM 023436108 19,359 408,070 SH   SOLE   406,670 0 1,400
American Renal Associates COM 029227105 21,750 1,190,450 SH   SOLE   1,185,850 0 4,600
AMERISAFE Inc. COM 03071H100 18,779 319,480 SH   SOLE   318,380 0 1,100
Ametek Inc COM 031100100 69,400 1,452,500 SH   SOLE   1,161,100 0 291,400
Amphenol Corp. Cl A CL A 032095101 86,668 1,335,000 SH   SOLE   1,067,600 0 267,400
Apollo Global Management CL A SHS 037612306 118,891 6,619,750 SH   SOLE   5,232,450 0 1,387,300
Apple Inc COM 037833100 10,896 96,381 SH   SOLE   92,223 0 4,158
AptarGroup Inc. COM 038336103 50,394 651,000 SH   SOLE   509,700 0 141,300
Ariad Pharmaceuticals Inc COM 04033A100 30,320 2,214,765 SH   SOLE   2,207,465 0 7,300
Artisan Partners Asset Ma CL A 04316A108 42,103 1,547,900 SH   SOLE   1,214,450 0 333,450
Asbury Automotive Group I COM 043436104 39,957 717,750 SH   SOLE   562,100 0 155,650
Aspen Technology Inc. COM 045327103 38,985 833,200 SH   SOLE   653,300 0 179,900
Assured Guaranty Ltd COM G0585R106 84,813 3,056,325 SH   SOLE   2,444,025 0 612,300
Atlassian Corporation Plc CL A G06242104 37,471 1,250,300 SH   SOLE   981,200 0 269,100
Avis Budget Group Inc. COM 053774105 109,516 3,201,300 SH   SOLE   2,541,800 0 659,500
Beacon Roofing Supply Inc COM 073685109 17,223 409,390 SH   SOLE   407,990 0 1,400
Blackbaud Inc. COM 09227Q100 41,615 627,300 SH   SOLE   625,200 0 2,100
Blackhawk Network Holding COM 09238E104 40,496 1,342,265 SH   SOLE   1,337,465 0 4,800
Blue Buffalo Pet Products COM 09531U102 35,666 1,501,100 SH   SOLE   1,176,900 0 324,200
Booz Allen & Hamilton Inc CL A 099502106 135,869 4,298,300 SH   SOLE   3,410,825 0 887,475
Boston Scientific Corpora COM 101137107 103,631 4,354,225 SH   SOLE   3,480,425 0 873,800
Bright Horizons Family So COM 109194100 149,699 2,237,989 SH   SOLE   2,017,989 0 220,000
Broadridge Financial Solu COM 11133T103 67,790 1,000,000 SH   SOLE   785,050 0 214,950
Broadsoft Inc COM 11133B409 34,043 731,317 SH   SOLE   728,817 0 2,500
Brown-Forman Corp. Cl B CL B 115637209 53,844 1,135,000 SH   SOLE   915,600 0 219,400
Brunswick Corp. COM 117043109 29,024 595,000 SH   SOLE   465,900 0 129,100
Burlington Stores Inc COM 122017106 49,847 615,245 SH   SOLE   613,045 0 2,200
BWX Technologies, Inc. COM 05605H100 40,016 1,042,900 SH   SOLE   817,350 0 225,550
Cable One Inc COM 12685J105 67,757 116,023 SH   SOLE   115,598 0 425
CardConnect Corp COM 14141X108 12,679 1,297,700 SH   SOLE   1,289,500 0 8,200
Cardinal Health Inc. COM 14149Y108 6,747 86,828 SH   SOLE   83,083 0 3,745
Cardtronics Plc SHS CL A G1991C105 36,326 814,477 SH   SOLE   811,727 0 2,750
Carter's Inc. COM 146229109 41,499 478,600 SH   SOLE   375,050 0 103,550
CBRE Group Inc CL A 12504L109 119,100 4,256,600 SH   SOLE   3,225,650 0 1,030,950
CEB INC. COM 125134106 72,851 1,337,451 SH   SOLE   1,208,371 0 129,080
Cempra Inc COM 15130J109 46,739 1,931,360 SH   SOLE   1,746,960 0 184,400
Centene Corp. COM 15135B101 85,428 1,275,800 SH   SOLE   1,019,300 0 256,500
Charter Communications In CL A 16119P108 11,793 43,683 SH   SOLE   41,717 0 1,966
Chegg Inc COM 163092109 24,553 3,463,080 SH   SOLE   3,451,080 0 12,000
Church and Dwight Co COM 171340102 61,910 1,291,950 SH   SOLE   1,031,750 0 260,200
Cimarex Energy Co. COM 171798101 53,251 396,300 SH   SOLE   317,250 0 79,050
Civitas Solutions Inc COM 17887R102 38,964 2,133,855 SH   SOLE   2,126,355 0 7,500
Clarcor Inc COM 179895107 35,523 546,500 SH   SOLE   427,950 0 118,550
Cogent Communications Gro COM NEW 19239V302 36,783 999,275 SH   SOLE   995,675 0 3,600
Columbia Sportswear Co. COM 198516106 35,394 623,800 SH   SOLE   488,750 0 135,050
CommScope Holding Co Inc COM 20337X109 41,892 1,391,300 SH   SOLE   1,090,600 0 300,700
comScore Inc. COM 20564W105 21,571 703,570 SH   SOLE   701,070 0 2,500
Copart Inc. COM 217204106 83,805 1,564,700 SH   SOLE   1,251,150 0 313,550
CoreLogic, Inc. COM 21871D103 33,129 844,700 SH   SOLE   661,850 0 182,850
Cornerstone OnDemand Inc. COM 21925Y103 58,228 1,267,201 SH   SOLE   991,701 0 275,500
Costar Group Inc COM 22160N109 188,436 870,255 SH   SOLE   696,290 0 173,965
Costco Wholesale Corp. COM 22160K105 5,503 36,080 SH   SOLE   34,570 0 1,510
CubeSmart COM 229663109 34,244 1,256,200 SH   SOLE   985,000 0 271,200
Cynosure Inc. (Cl A) CL A 232577205 24,935 489,500 SH   SOLE   487,900 0 1,600
Davita Inc COM 23918K108 289,304 4,378,750 SH   SOLE   3,217,950 0 1,160,800
DBV Technologies SA ADR SPONSORED ADR 23306J101 35,985 990,503 SH   SOLE   914,153 0 76,350
Dermira Inc COM 24983L104 77,086 2,279,311 SH   SOLE   2,056,811 0 222,500
Diamondback Energy Inc COM 25278X109 27,031 280,000 SH   SOLE   219,600 0 60,400
Dick's Sporting Goods Inc COM 253393102 24,957 440,000 SH   SOLE   345,400 0 94,600
Diplomat Pharmacy Inc COM 25456K101 43,743 1,561,700 SH   SOLE   1,556,400 0 5,300
Dolby Laboratories Inc. C COM 25659T107 67,108 1,236,100 SH   SOLE   987,450 0 248,650
Dollar Tree Inc. COM 256746108 130,643 1,655,175 SH   SOLE   1,276,535 0 378,640
Domino's Pizza Inc. COM 25754A201 90,047 593,000 SH   SOLE   473,950 0 119,050
Dun & Bradstreet Corp. COM 26483E100 37,762 276,400 SH   SOLE   217,150 0 59,250
Dunkin Brands Group Inc COM 265504100 29,701 570,300 SH   SOLE   446,200 0 124,100
Ecolab Inc COM 278865100 106,852 877,850 SH   SOLE   669,350 0 208,500
Electronic Arts Inc. COM 285512109 83,777 981,000 SH   SOLE   783,600 0 197,400
Electronics for Imaging I COM 286082102 27,390 559,900 SH   SOLE   558,100 0 1,800
EMCOR Group Inc COM 29084Q100 39,772 667,094 SH   SOLE   664,794 0 2,300
Endologix Inc. COM 29266S106 43,453 3,394,785 SH   SOLE   3,381,885 0 12,900
Envestnet Inc. COM 29404K106 61,958 1,699,800 SH   SOLE   1,694,200 0 5,600
Envision Healthcare Holdi COM 29413U103 53,034 2,381,400 SH   SOLE   1,872,900 0 508,500
Equifax Inc. COM 294429105 238,540 1,772,480 SH   SOLE   1,308,060 0 464,420
Evolent Health Inc Cl A CL A 30050B101 26,791 1,088,200 SH   SOLE   1,084,700 0 3,500
Exlservice Holdings Inc COM 302081104 72,615 1,456,971 SH   SOLE   1,452,071 0 4,900
Exponent Inc. COM 30214U102 44,524 872,000 SH   SOLE   868,800 0 3,200
Facebook Inc CL A 30303M102 7,532 58,720 SH   SOLE   56,260 0 2,460
Fair Isaac Corp COM 303250104 47,044 377,590 SH   SOLE   376,340 0 1,250
FARO Technologies Inc. COM 311642102 19,977 555,700 SH   SOLE   553,900 0 1,800
Fidelity National Informa COM 31620M106 90,388 1,173,410 SH   SOLE   954,565 0 218,845
Fleetcor Technologies Inc COM 339041105 85,336 491,200 SH   SOLE   392,425 0 98,775
Foot Locker Inc COM 344849104 67,260 993,200 SH   SOLE   791,150 0 202,050
Forum Energy Technologies COM 34984V100 28,102 1,415,000 SH   SOLE   1,109,000 0 306,000
G&K Services Inc. Cl A CL A 361268105 23,144 242,375 SH   SOLE   241,575 0 800
G-III Apparel Group Ltd. COM 36237H101 72,752 2,495,795 SH   SOLE   2,248,195 0 247,600
Gartner Inc COM 366651107 195,260 2,207,575 SH   SOLE   1,637,775 0 569,800
Genesee and Wyoming Inc CL A 371559105 125,234 1,816,300 SH   SOLE   1,440,550 0 375,750
Global Eagle Entertainmen COM 37951D102 16,526 1,988,700 SH   SOLE   1,980,400 0 8,300
Global Payments Inc COM 37940X102 219,164 2,855,180 SH   SOLE   2,121,050 0 734,130
Globus Medical Inc Class CL A 379577208 34,910 1,546,744 SH   SOLE   1,541,444 0 5,300
Grand Canyon Education In COM 38526M106 33,204 822,083 SH   SOLE   643,393 0 178,690
Gulfport Energy Corp COM NEW 402635304 47,984 1,698,555 SH   SOLE   1,692,755 0 5,800
Hanesbrands Inc COM 410345102 85,207 3,374,525 SH   SOLE   2,700,900 0 673,625
Harman International Indu COM 413086109 44,818 530,700 SH   SOLE   415,400 0 115,300
Healthcare Services Group COM 421906108 47,164 1,191,610 SH   SOLE   1,187,260 0 4,350
Hexcel Corp. COM 428291108 77,416 1,747,550 SH   SOLE   1,397,450 0 350,100
HFF Inc. Cl A CL A 40418F108 53,659 1,937,860 SH   SOLE   1,931,460 0 6,400
Hibbett Sports Inc. COM 428567101 50,781 1,272,700 SH   SOLE   1,268,100 0 4,600
Home Depot Inc. COM 437076102 8,333 64,755 SH   SOLE   62,005 0 2,750
Horizon Pharma Plc SHS G4617B105 43,666 2,408,475 SH   SOLE   2,160,975 0 247,500
HSN Inc. COM 404303109 28,582 718,150 SH   SOLE   564,150 0 154,000
Hubbell Incorporated COM 443510607 61,627 572,000 SH   SOLE   457,250 0 114,750
Huron Consulting Group In COM 447462102 79,711 1,333,847 SH   SOLE   1,203,877 0 129,970
ICF International Inc. COM 44925C103 32,075 723,714 SH   SOLE   721,114 0 2,600
Imax Corporation COM 45245E109 98,109 3,386,561 SH   SOLE   3,076,361 0 310,200
Inc Research Holdings Inc CL A 45329R109 54,566 1,224,000 SH   SOLE   958,500 0 265,500
Inogen Inc. COM 45780L104 43,521 726,565 SH   SOLE   724,165 0 2,400
Inter Parfums Inc COM 458334109 25,975 804,929 SH   SOLE   801,529 0 3,400
Intercontinental Exchange COM 45866F104 7,755 28,790 SH   SOLE   27,540 0 1,250
International Flavors & F COM 459506101 73,101 511,300 SH   SOLE   408,725 0 102,575
Intra-Cellular Therapies COM 46116X101 26,770 1,756,575 SH   SOLE   1,567,675 0 188,900
Intuit Inc. COM 461202103 7,700 69,995 SH   SOLE   66,990 0 3,005
IPG Photonics Corp. COM 44980X109 20,620 250,400 SH   SOLE   196,600 0 53,800
iShares Russell 2000 Grow RUS 2000 GRW ETF 464287648 10,423 70,000 SH   SOLE   70,000 0 0
iShares Russell Midcap Gr RUS MD CP GR ETF 464287481 1,159 11,900 SH   SOLE   7,500 0 4,400
J.B. Hunt Transport Servi COM 445658107 80,989 998,140 SH   SOLE   809,155 0 188,985
J2 Global Inc. COM 48123V102 129,204 1,939,707 SH   SOLE   1,759,007 0 180,700
Jack Henry and Associates COM 426281101 74,570 871,650 SH   SOLE   682,650 0 189,000
K2M Group Holdings Inc COM 48273J107 26,376 1,483,480 SH   SOLE   1,478,480 0 5,000
KBR Inc. COM 48242W106 37,619 2,486,415 SH   SOLE   2,478,115 0 8,300
Kennedy-Wilson Holdings I COM 489398107 79,817 3,539,561 SH   SOLE   3,527,211 0 12,350
Knight Transportation Inc COM 499064103 55,223 1,924,800 SH   SOLE   1,918,400 0 6,400
L-3 Communications Holdin COM 502424104 131,524 872,580 SH   SOLE   679,540 0 193,040
Level 3 Communications In COM NEW 52729N308 54,065 1,165,700 SH   SOLE   931,825 0 233,875
Lincoln Electric Holdings COM 533900106 33,358 532,700 SH   SOLE   425,475 0 107,225
Lithia Motors Inc. Cl A CL A 536797103 56,961 596,326 SH   SOLE   594,226 0 2,100
Littelfuse Inc. COM 537008104 48,291 374,900 SH   SOLE   373,600 0 1,300
Macom Technology Solution COM 55405Y100 53,340 1,259,800 SH   SOLE   1,255,700 0 4,100
Marriott Vacations Worldw COM 57164Y107 19,920 271,680 SH   SOLE   213,150 0 58,530
Martin Marietta Materials COM 573284106 110,746 618,315 SH   SOLE   481,165 0 137,150
Matador Resources Company COM 576485205 35,423 1,455,335 SH   SOLE   1,450,285 0 5,050
Maximus Inc COM 577933104 53,383 943,828 SH   SOLE   940,428 0 3,400
Medivation Inc. COM 58501N101 35,250 433,050 SH   SOLE   345,950 0 87,100
Mednax Inc COM 58502B106 51,702 780,400 SH   SOLE   610,900 0 169,500
Microsoft Corp. COM 594918104 7,450 129,345 SH   SOLE   123,760 0 5,585
Milacron Holdings Corp COM 59870L106 43,408 2,719,795 SH   SOLE   2,709,395 0 10,400
MKS Instruments Inc. COM 55306N104 90,822 1,826,300 SH   SOLE   1,820,000 0 6,300
Monro Muffler Inc COM 610236101 101,015 1,651,384 SH   SOLE   1,642,359 0 9,025
Monsanto Co. COM 61166W101 3,405 33,320 SH   SOLE   31,735 0 1,585
Nasdaq Inc COM 631103108 68,413 1,012,925 SH   SOLE   809,550 0 203,375
National Storage Affiliat COM SHS BEN IN 637870106 12,210 583,100 SH   SOLE   581,300 0 1,800
Neurocrine Biosciences In COM 64125C109 25,487 503,300 SH   SOLE   394,700 0 108,600
Neustar Inc CL A 64126X201 61,691 2,320,075 SH   SOLE   1,855,075 0 465,000
NIC Inc COM 62914B100 53,420 2,273,177 SH   SOLE   2,265,477 0 7,700
NICE Ltd SPONSORED ADR 653656108 42,878 640,550 SH   SOLE   502,200 0 138,350
Nielsen Holdings PLC SHS EUR G6518L108 316,265 5,903,776 SH   SOLE   4,322,611 0 1,581,165
Nike Inc CL B 654106103 6,828 129,685 SH   SOLE   124,250 0 5,435
Nord Anglia Education Inc SHS G6583A102 40,580 1,863,191 SH   SOLE   1,856,291 0 6,900
Nordson Corporation COM 655663102 13,151 132,000 SH   SOLE   103,600 0 28,400
NXP Semiconductors NV COM N6596X109 72,404 709,775 SH   SOLE   567,375 0 142,400
O'Reilly Automotive Inc COM 67103H107 146,189 521,900 SH   SOLE   381,175 0 140,725
Old Dominion Freight Line COM 679580100 32,933 480,000 SH   SOLE   376,900 0 103,100
Ollie s Bargain Outlet Ho COM 681116109 42,448 1,619,549 SH   SOLE   1,614,149 0 5,400
On Assignment Inc COM 682159108 103,107 2,841,196 SH   SOLE   2,823,216 0 17,980
Orbital ATK Inc COM 68557N103 105,673 1,386,236 SH   SOLE   1,248,054 0 138,182
Patheon NV SHS N6865W105 50,137 1,692,100 SH   SOLE   1,353,300 0 338,800
Paycom Software Inc. COM 70432V102 68,137 1,359,200 SH   SOLE   1,354,600 0 4,600
Paylocity Holding Corp COM 70438V106 38,333 862,200 SH   SOLE   675,650 0 186,550
PDC Energy Inc COM 69327R101 48,301 720,259 SH   SOLE   717,859 0 2,400
Performance Foods Group C COM 71377A103 27,831 1,122,210 SH   SOLE   879,310 0 242,900
PolyOne Corp. COM 73179P106 71,774 2,122,854 SH   SOLE   2,111,869 0 10,985
Pool Corporation COM 73278L105 65,831 696,475 SH   SOLE   556,625 0 139,850
Pra Health Sciences Inc COM 69354M108 73,484 1,300,370 SH   SOLE   1,295,920 0 4,450
Premier Inc CL A 74051N102 85,581 2,646,300 SH   SOLE   2,115,100 0 531,200
Press Ganey Holdings Inc COM 74113L102 10,504 260,000 SH   SOLE   259,300 0 700
Proassurance Corporation COM 74267C106 109,456 2,085,680 SH   SOLE   1,791,930 0 293,750
Proto Labs Inc COM 743713109 86,840 1,449,500 SH   SOLE   1,266,800 0 182,700
Q2 Holdings Inc COM 74736L109 62,200 2,170,256 SH   SOLE   2,162,656 0 7,600
Range Resources Corp. COM 75281A109 89,529 2,310,428 SH   SOLE   1,832,879 0 477,549
RBC Bearings Inc COM 75524B104 43,771 572,318 SH   SOLE   569,918 0 2,400
Renaissancere Holdings Lt COM G7496G103 150,074 1,248,950 SH   SOLE   965,100 0 283,850
Repligen Corp. COM 759916109 42,351 1,402,825 SH   SOLE   1,257,925 0 144,900
Rexnord Holdings Inc COM 76169B102 97,126 4,536,487 SH   SOLE   4,071,587 0 464,900
Robert Half International COM 770323103 33,411 882,500 SH   SOLE   692,250 0 190,250
Rockwell Collins Inc COM 774341101 75,815 898,925 SH   SOLE   717,975 0 180,950
Ross Stores Inc. COM 778296103 95,260 1,481,500 SH   SOLE   1,184,675 0 296,825
RPM International Inc COM 749685103 140,601 2,617,300 SH   SOLE   2,078,150 0 539,150
Ryanair Holdings plc - SP SPONSORED ADR NE 783513203 94,920 1,265,100 SH   SOLE   1,010,700 0 254,400
S S and C Technologies Ho COM 78467J100 78,202 2,432,425 SH   SOLE   1,945,425 0 487,000
S&P Global COM 78409V104 215,037 1,699,090 SH   SOLE   1,241,625 0 457,465
Salesforce.com Inc. COM 79466L302 3,619 50,740 SH   SOLE   48,615 0 2,125
SBA Communications Corp COM 78388J106 376,269 3,354,755 SH   SOLE   2,481,690 0 873,065
Science Applications Inte COM 808625107 57,251 825,300 SH   SOLE   825,300 0 0
Sealed Air Corp. COM 81211K100 93,450 2,039,500 SH   SOLE   1,632,150 0 407,350
Servicemaster Global Hold COM 81761R109 113,715 3,376,325 SH   SOLE   2,681,225 0 695,100
Shenandoah Telecommunicat COM 82312B106 30,344 1,115,165 SH   SOLE   1,111,865 0 3,300
Sportsmans Warehouse Hold COM 84920Y106 20,629 1,960,900 SH   SOLE   1,953,900 0 7,000
Sprouts Farmers Markets L COM 85208M102 53,835 2,607,000 SH   SOLE   2,082,500 0 524,500
Starbucks Corp. COM 855244109 6,708 123,897 SH   SOLE   118,577 0 5,320
Summit Materials Inc CL A 86614U100 46,913 2,528,977 SH   SOLE   2,520,487 0 8,490
Surgery Partners Inc COM 86881A100 37,764 1,865,800 SH   SOLE   1,462,200 0 403,600
Surgical Care Affiliates COM 86881L106 79,645 1,633,400 SH   SOLE   1,489,350 0 144,050
SVB Financial Group COM 78486Q101 123,341 1,115,800 SH   SOLE   884,475 0 231,325
Taylor Morrison Home Corp CL A 87724P106 29,283 1,663,800 SH   SOLE   1,301,150 0 362,650
Team Health Holding Inc. COM 87817A107 83,548 2,565,984 SH   SOLE   2,341,534 0 224,450
Tempur Sealy Internationa COM 88023U101 59,949 1,056,550 SH   SOLE   838,400 0 218,150
The Advisory Board Co COM 00762W107 120,822 2,700,537 SH   SOLE   2,449,007 0 251,530
The Ultimate Software Gro COM 90385D107 181,742 889,190 SH   SOLE   793,715 0 95,475
Tractor Supply Company COM 892356106 61,130 907,650 SH   SOLE   725,800 0 181,850
Transdigm Group Inc COM 893641100 68,254 236,075 SH   SOLE   188,850 0 47,225
Transunion COM 89400J107 82,655 2,395,800 SH   SOLE   1,875,800 0 520,000
Trinet Group Inc COM 896288107 33,264 1,537,875 SH   SOLE   1,532,375 0 5,500
Tyler Technologies Inc. COM 902252105 98,446 574,935 SH   SOLE   452,550 0 122,385
Universal Health Services CL B 913903100 94,695 768,500 SH   SOLE   616,800 0 151,700
Valvoline Inc COM 92047W101 25,369 1,080,000 SH   SOLE   848,200 0 231,800
Vantiv Inc CL A 92210H105 158,805 2,822,200 SH   SOLE   2,239,950 0 582,250
Verisk Analytics Inc. Cl COM 92345Y106 73,823 908,250 SH   SOLE   726,350 0 181,900
Vertex Pharmaceuticals In COM 92532F100 64,092 734,910 SH   SOLE   588,910 0 146,000
Visa Inc. COM CL A 92826C839 9,394 113,590 SH   SOLE   108,690 0 4,900
Wabco Holdings Inc COM 92927K102 147,397 1,298,310 SH   SOLE   1,037,335 0 260,975
WageWorks Inc COM 930427109 104,792 1,720,439 SH   SOLE   1,589,509 0 130,930
Watsco Inc. COM 942622200 26,616 188,900 SH   SOLE   148,050 0 40,850
Watts Water Technologies CL A 942749102 27,626 426,070 SH   SOLE   424,670 0 1,400
Wesco International Inc COM 95082P105 29,094 473,150 SH   SOLE   431,950 0 41,200
West Corporation COM 952355204 32,794 1,485,258 SH   SOLE   1,479,108 0 6,150
Wex Inc COM 96208T104 170,835 1,580,484 SH   SOLE   1,419,034 0 161,450
William Lyon Homes Shs A CL A NEW 552074700 34,454 1,857,355 SH   SOLE   1,849,655 0 7,700
Williams-Sonoma Inc. COM 969904101 58,017 1,135,800 SH   SOLE   901,450 0 234,350
WisdomTree Investments In COM 97717P104 65,136 6,329,990 SH   SOLE   5,782,045 0 547,945
WNS Holdings Ltd ADR SPON ADR 92932M101 70,205 2,344,060 SH   SOLE   1,865,630 0 478,430
Woodward Inc. COM 980745103 52,077 833,500 SH   SOLE   652,700 0 180,800
Wyndham Worldwide Corp. COM 98310W108 68,279 1,014,100 SH   SOLE   813,075 0 201,025
Xilinx Inc. COM 983919101 100,029 1,840,800 SH   SOLE   1,470,800 0 370,000
Zayo Group Holdings Inc COM 98919V105 66,244 2,229,700 SH   SOLE   1,779,100 0 450,600