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
ABIOMED, Inc. COM 003654100 10,531 93,455 SH   SOLE   83,640 0 9,815
AMETEK, Inc. COM 031100100 60,249 1,239,695 SH   SOLE   1,111,280 0 128,415
ANSYS, Inc. COM 03662Q105 52,378 566,310 SH   SOLE   506,795 0 59,515
Abaxis, Inc. COM 002567105 9,271 175,685 SH   SOLE   123,635 0 52,050
Aceto Corporation COM 004446100 27,344 1,244,600 SH   SOLE   857,300 0 387,300
Actuant Corporation Class A COM 00508X203 46,699 1,799,580 SH   SOLE   1,234,510 0 565,070
Advance Auto Parts, Inc. COM 00751Y106 80,874 478,205 SH   SOLE   428,120 0 50,085
AdvancePierre Foods Holdings, COM 00782L107 40,070 1,345,535 SH   SOLE   928,860 0 416,675
Advisory Board Company COM 00762W107 255 7,680 SH   SOLE   6,650 0 1,030
Akamai Technologies, Inc. COM 00971T101 42,760 641,275 SH   SOLE   573,345 0 67,930
Align Technology, Inc. COM 016255101 56,018 582,735 SH   SOLE   522,385 0 60,350
Allied World Assurance Company COM H01531104 253,154 4,713,355 SH   SOLE   3,737,465 0 975,890
Amplify Snack Brands Inc COM 03211L102 11,073 1,256,825 SH   SOLE   869,525 0 387,300
Aptargroup, Inc. COM 038336103 61,487 837,125 SH   SOLE   749,960 0 87,165
Argo Group International Holdi COM G0464B107 72,028 1,092,983 SH   SOLE   752,825 0 340,158
Arthur J. Gallagher & Co. COM 363576109 75,790 1,458,615 SH   SOLE   1,306,310 0 152,305
B&G Foods, Inc. COM 05508R106 58,907 1,344,900 SH   SOLE   928,420 0 416,480
Balchem Corporation COM 057665200 24,327 289,885 SH   SOLE   200,730 0 89,155
Blackbaud, Inc. COM 09227Q100 131,961 2,061,890 SH   SOLE   1,571,610 0 490,280
Boston Beer Company, Inc. Clas COM 100557107 51,095 300,822 SH   SOLE   207,157 0 93,665
Brady Corporation Class A COM 104674106 43,185 1,150,065 SH   SOLE   792,755 0 357,310
Bryn Mawr Bank Corporation COM 117665109 36,238 859,750 SH   SOLE   591,245 0 268,505
Buffalo Wild Wings, Inc. COM 119848109 43,797 283,659 SH   SOLE   194,454 0 89,205
C. R. Bard, Inc. COM 067383109 57,615 256,455 SH   SOLE   229,725 0 26,730
CLARCOR Inc. COM 179895107 165,789 2,010,295 SH   SOLE   1,539,950 0 470,345
CONMED Corporation COM 207410101 65,585 1,484,835 SH   SOLE   1,023,235 0 461,600
CST Brands, Inc. COM 12646R105 57,530 1,194,800 SH   SOLE   894,715 0 300,085
CVB Financial Corp. COM 126600105 53,765 2,344,750 SH   SOLE   1,613,490 0 731,260
Cantel Medical Corp. COM 138098108 49,346 626,620 SH   SOLE   430,520 0 196,100
Cardiovascular Systems, Inc. COM 141619106 40,026 1,653,275 SH   SOLE   1,145,505 0 507,770
Chase Corporation COM 16150R104 9,930 118,855 SH   SOLE   81,390 0 37,465
CommVault Systems, Inc. COM 204166102 37,702 733,500 SH   SOLE   505,460 0 228,040
Commerce Bancshares, Inc. COM 200525103 56,341 974,585 SH   SOLE   871,779 0 102,806
Community Bank System, Inc. COM 203607106 42,826 693,095 SH   SOLE   478,885 0 214,210
Cooper Companies, Inc. COM 216648402 86,084 492,105 SH   SOLE   448,890 0 43,215
Core Laboratories NV COM N22717107 52,102 434,035 SH   SOLE   388,910 0 45,125
Cullen/Frost Bankers, Inc. COM 229899109 72,995 827,330 SH   SOLE   739,850 0 87,480
DENTSPLY SIRONA, Inc. COM 24906P109 76,971 1,333,295 SH   SOLE   1,193,525 0 139,770
Denbury Resources Inc. COM 247916208 30,350 8,247,350 SH   SOLE   7,514,970 0 732,380
Donaldson Company, Inc. COM 257651109 38,066 904,605 SH   SOLE   808,925 0 95,680
Dover Corporation COM 260003108 101,431 1,353,675 SH   SOLE   1,212,480 0 141,195
El Pollo Loco Holdings Inc COM 268603107 15,774 1,282,460 SH   SOLE   882,470 0 399,990
Endurance Specialty Holdings L COM G30397106 223,695 2,420,940 SH   SOLE   1,909,275 0 511,665
Envestnet, Inc. COM 29404K106 30,973 878,680 SH   SOLE   591,120 0 287,560
Fastenal Company COM 311900104 39,138 833,075 SH   SOLE   745,955 0 87,120
Financial Engines, Inc. COM 317485100 62,740 1,707,210 SH   SOLE   1,172,810 0 534,400
First Financial Bankshares, In COM 32020R109 34,904 772,205 SH   SOLE   533,875 0 238,330
Flowers Foods, Inc. COM 343498101 100,666 5,040,880 SH   SOLE   4,516,045 0 524,835
Fortinet, Inc. COM 34959E109 30,528 1,013,545 SH   SOLE   908,265 0 105,280
Forum Energy Technologies, Inc COM 34984V100 50,837 2,310,795 SH   SOLE   1,596,570 0 714,225
German American Bancorp, Inc. COM 373865104 20,053 381,160 SH   SOLE   261,105 0 120,055
Gorman-Rupp Company COM 383082104 16,008 517,215 SH   SOLE   347,875 0 169,340
Guidewire Software, Inc. COM 40171V100 84,911 1,721,280 SH   SOLE   1,345,715 0 375,565
H.B. Fuller Company COM 359694106 52,242 1,081,385 SH   SOLE   747,990 0 333,395
Helen of Troy Limited COM G4388N106 34,117 403,985 SH   SOLE   278,930 0 125,055
Henry Schein, Inc. COM 806407102 46,708 307,875 SH   SOLE   275,805 0 32,070
Hibbett Sports, Inc. COM 428567101 26,150 701,060 SH   SOLE   479,450 0 221,610
ICU Medical, Inc. COM 44930G107 69,931 474,590 SH   SOLE   324,545 0 150,045
IDEX Corporation COM 45167R104 57,614 639,725 SH   SOLE   573,275 0 66,450
Independent Bank Corp. COM 453836108 40,895 580,485 SH   SOLE   399,920 0 180,565
Innospec Inc. COM 45768S105 55,639 812,250 SH   SOLE   560,410 0 251,840
Insulet Corporation COM 45784P101 36,069 957,245 SH   SOLE   659,860 0 297,385
Integra LifeSciences Holdings COM 457985208 169,059 1,970,615 SH   SOLE   1,508,050 0 462,565
J & J Snack Foods Corp. COM 466032109 23,760 178,072 SH   SOLE   123,615 0 54,457
J. M. Smucker Company COM 832696405 71,816 560,800 SH   SOLE   502,885 0 57,915
John Bean Technologies Corpora COM 477839104 44,404 516,625 SH   SOLE   358,265 0 158,360
John Wiley & Sons, Inc. Class COM 968223206 145,982 2,678,565 SH   SOLE   2,058,925 0 619,640
Laboratory Corporation of Amer COM 50540R409 82,301 641,075 SH   SOLE   574,390 0 66,685
Landstar System, Inc. COM 515098101 24,983 292,880 SH   SOLE   203,725 0 89,155
LogMeIn, Inc. COM 54142L109 76,295 790,215 SH   SOLE   545,965 0 244,250
Lydall, Inc. COM 550819106 57,437 928,645 SH   SOLE   641,685 0 286,960
Manitowoc Foodservice, Inc. COM 563568104 60,086 3,108,450 SH   SOLE   2,149,930 0 958,520
Masimo Corporation COM 574795100 55,654 825,730 SH   SOLE   567,935 0 257,795
Mead Johnson Nutrition Company COM 582839106 57,711 815,590 SH   SOLE   730,700 0 84,890
Medidata Solutions, Inc. COM 58471A105 73,678 1,483,360 SH   SOLE   1,131,235 0 352,125
Mentor Graphics Corporation COM 587200106 50,108 1,358,295 SH   SOLE   933,415 0 424,880
Molson Coors Brewing Company C COM 60871R209 54,418 559,220 SH   SOLE   500,590 0 58,630
Morningstar, Inc. COM 617700109 6,966 94,700 SH   SOLE   85,080 0 9,620
NIC Inc. COM 62914B100 37,044 1,549,975 SH   SOLE   1,068,215 0 481,760
Navigators Group, Inc. COM 638904102 54,830 465,650 SH   SOLE   322,595 0 143,055
New Relic, Inc. COM 64829B100 39,206 1,387,810 SH   SOLE   959,095 0 428,715
Northern Trust Corporation COM 665859104 99,281 1,114,885 SH   SOLE   999,020 0 115,865
NuVasive, Inc. COM 670704105 125,686 1,865,885 SH   SOLE   1,436,610 0 429,275
Omnicell, Inc. COM 68213N109 54,208 1,599,065 SH   SOLE   1,102,395 0 496,670
PTC Inc. COM 69370C100 41,554 898,070 SH   SOLE   803,475 0 94,595
Palo Alto Networks, Inc. COM 697435105 69,052 552,195 SH   SOLE   494,785 0 57,410
Penumbra, Inc. COM 70975L107 19,729 309,230 SH   SOLE   214,110 0 95,120
Prosperity Bancshares, Inc.(R) COM 743606105 111,539 1,553,900 SH   SOLE   1,232,480 0 321,420
Qualys, Inc. COM 74758T303 54,945 1,736,020 SH   SOLE   1,195,980 0 540,040
RBC Bearings Incorporated COM 75524B104 36,017 388,075 SH   SOLE   268,935 0 119,140
Red Hat, Inc. COM 756577102 84,470 1,211,905 SH   SOLE   1,086,845 0 125,060
Ritchie Bros. Auctioneers Inco COM 767744105 51,911 1,526,800 SH   SOLE   1,077,515 0 449,285
Rockwell Automation, Inc. COM 773903109 102,180 760,265 SH   SOLE   681,235 0 79,030
SPS Commerce, Inc. COM 78463M107 43,843 627,320 SH   SOLE   431,115 0 196,205
SVB Financial Group COM 78486Q101 50,782 295,830 SH   SOLE   265,005 0 30,825
Sally Beauty Holdings, Inc. COM 79546E104 74,372 2,814,970 SH   SOLE   2,522,050 0 292,920
Sensient Technologies Corporat COM 81725T100 18,336 233,340 SH   SOLE   161,535 0 71,805
Snyder's-Lance, Inc. COM 833551104 150,137 3,915,930 SH   SOLE   3,031,895 0 884,035
Splunk Inc. COM 848637104 54,467 1,064,850 SH   SOLE   954,855 0 109,995
Standex International Corporat COM 854231107 52,205 594,250 SH   SOLE   409,875 0 184,375
Stericycle, Inc. COM 858912108 58,664 761,480 SH   SOLE   682,280 0 79,200
Steris PLC COM G84720104 73,099 1,084,715 SH   SOLE   971,250 0 113,465
Stock Yards Bancorp, Inc. COM 861025104 33,020 703,292 SH   SOLE   483,172 0 220,120
Synopsys, Inc. COM 871607107 33,055 561,590 SH   SOLE   502,770 0 58,820
Tableau Software, Inc. Class A COM 87336U105 48,637 1,153,900 SH   SOLE   1,034,730 0 119,170
TreeHouse Foods, Inc. COM 89469A104 183,134 2,536,840 SH   SOLE   2,005,360 0 531,480
TriMas Corporation COM 896215209 67,510 2,872,785 SH   SOLE   1,980,460 0 892,325
UMB Financial Corporation COM 902788108 65,395 847,965 SH   SOLE   585,820 0 262,145
W.W. Grainger, Inc. COM 384802104 87,104 375,045 SH   SOLE   335,715 0 39,330
WEX Inc. COM 96208T104 175,511 1,572,680 SH   SOLE   1,251,825 0 320,855
Washington Trust Bancorp, Inc. COM 940610108 43,730 780,205 SH   SOLE   536,720 0 243,485
Waters Corporation COM 941848103 51,998 386,920 SH   SOLE   346,910 0 40,010
Westinghouse Air Brake Technol COM 929740108 47,177 568,255 SH   SOLE   509,130 0 59,125
Whole Foods Market, Inc. COM 966837106 73,373 2,385,330 SH   SOLE   2,137,190 0 248,140
Wolverine World Wide, Inc. COM 978097103 86,272 3,930,405 SH   SOLE   2,699,280 0 1,231,125
Woodward, Inc. COM 980745103 46,264 670,010 SH   SOLE   461,720 0 208,290
Workday, Inc. Class A COM 98138H101 45,641 690,585 SH   SOLE   619,400 0 71,185
Xactly Corp COM 98386L101 11,583 1,053,020 SH   SOLE   726,235 0 326,785
Teva Pharmaceutical Industries ADR 881624209 254 7,000 SH   SOLE   7,000 0 0
Unilever PLC Sponsored ADR ADR 904767704 220 5,400 SH   SOLE   5,400 0 0