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
ANSYS, Inc. COM 03662Q105 43,649 494,940 SH   SOLE   421,565 0 73,375
Aceto Corporation COM 004446100 20,542 933,725 SH   SOLE   665,225 0 268,500
Actuant Corporation Class A COM 00508X203 75,617 3,185,195 SH   SOLE   2,401,705 0 783,490
Advance Auto Parts, Inc. COM 00751Y106 19,938 133,195 SH   SOLE   113,420 0 19,775
Advisory Board Company COM 00762W107 254 4,770 SH   SOLE   4,770 0 0
Align Technology, Inc. COM 016255101 23,462 436,215 SH   SOLE   371,815 0 64,400
Allied World Assurance Company COM H01531104 117,005 2,896,170 SH   SOLE   2,200,740 0 695,430
Altera Corporation COM 021441100 37,974 884,975 SH   SOLE   754,375 0 130,600
American International Group, COM 026874784 258 4,700 SH   SOLE   4,700 0 0
American Vanguard Corporation COM 030371108 16,876 1,589,090 SH   SOLE   1,140,290 0 448,800
Aptargroup, Inc. COM 038336103 31,509 496,045 SH   SOLE   423,195 0 72,850
Argo Group International Holdi COM G0464B107 63,771 1,271,606 SH   SOLE   907,784 0 363,822
Arthur J. Gallagher & Co. COM 363576109 45,091 964,520 SH   SOLE   823,490 0 141,030
B&G Foods, Inc. COM 05508R106 58,363 1,983,125 SH   SOLE   1,410,225 0 572,900
Baxter International Inc. COM 071813109 206 3,000 SH   SOLE   3,000 0 0
Bed Bath & Beyond Inc. COM 075896100 39,746 517,695 SH   SOLE   440,880 0 76,815
Blackbaud, Inc. COM 09227Q100 89,899 1,897,410 SH   SOLE   1,353,110 0 544,300
Bottomline Technologies (de), COM 101388106 33,283 1,216,055 SH   SOLE   863,405 0 352,650
Brady Corporation Class A COM 104674106 49,511 1,750,120 SH   SOLE   1,240,745 0 509,375
Bright Horizons Family Solutio COM 109194100 13,044 254,415 SH   SOLE   179,915 0 74,500
Bryn Mawr Bank Corporation COM 117665109 34,919 1,148,270 SH   SOLE   826,370 0 321,900
C. R. Bard, Inc. COM 067383109 28,050 167,610 SH   SOLE   142,990 0 24,620
CLARCOR Inc. COM 179895107 127,772 1,934,180 SH   SOLE   1,426,615 0 507,565
CST Brands, Inc. COM 12646R105 79,526 1,814,425 SH   SOLE   1,359,335 0 455,090
CVB Financial Corp. COM 126600105 57,456 3,604,500 SH   SOLE   2,584,150 0 1,020,350
Cabela's Incorporated COM 126804301 41,954 749,440 SH   SOLE   639,315 0 110,125
Cantel Medical Corp. COM 138098108 41,086 864,975 SH   SOLE   610,795 0 254,180
Cardtronics, Inc. COM 14161H108 49,853 1,325,880 SH   SOLE   945,120 0 380,760
Casey's General Stores, Inc. COM 147528103 60,094 666,975 SH   SOLE   477,875 0 189,100
Cepheid COM 15670R107 110,932 1,949,600 SH   SOLE   1,497,025 0 452,575
Commerce Bancshares, Inc. COM 200525103 40,721 962,220 SH   SOLE   820,840 0 141,380
Community Bank System, Inc. COM 203607106 40,990 1,158,235 SH   SOLE   835,735 0 322,500
Cooper Companies, Inc. COM 216648402 38,809 207,070 SH   SOLE   175,680 0 31,390
Core Laboratories NV COM N22717107 30,058 287,665 SH   SOLE   245,790 0 41,875
Cullen/Frost Bankers, Inc. COM 229899109 40,728 589,575 SH   SOLE   502,465 0 87,110
Deere & Company COM 244199105 219 2,500 SH   SOLE   2,500 0 0
Denbury Resources Inc. COM 247916208 55,788 7,652,625 SH   SOLE   5,908,240 0 1,744,385
Donaldson Company, Inc. COM 257651109 12,593 333,940 SH   SOLE   285,090 0 48,850
Dover Corporation COM 260003108 40,867 591,240 SH   SOLE   504,555 0 86,685
Edwards Lifesciences Corporati COM 28176E108 31,962 224,355 SH   SOLE   191,135 0 33,220
Elizabeth Arden, Inc. COM 28660G106 17,969 1,151,875 SH   SOLE   830,660 0 321,215
EnPro Industries, Inc. COM 29355X107 28,651 434,440 SH   SOLE   308,265 0 126,175
Endurance Specialty Holdings L COM G30397106 144,885 2,369,725 SH   SOLE   1,774,045 0 595,680
Esterline Technologies Corpora COM 297425100 108,514 948,385 SH   SOLE   718,185 0 230,200
Express Scripts Holding Compan COM 30219G108 278 3,200 SH   SOLE   3,200 0 0
Financial Engines, Inc. COM 317485100 65,534 1,566,670 SH   SOLE   1,120,995 0 445,675
First Financial Bankshares, In COM 32020R109 38,458 1,391,405 SH   SOLE   1,006,830 0 384,575
FleetMatics Group Ltd. COM G35569105 73,428 1,637,200 SH   SOLE   1,175,250 0 461,950
Flowers Foods, Inc. COM 343498101 65,214 2,867,830 SH   SOLE   2,442,145 0 425,685
Fortinet, Inc. COM 34959E109 5,105 146,080 SH   SOLE   124,410 0 21,670
Forum Energy Technologies, Inc COM 34984V100 38,108 1,944,285 SH   SOLE   1,372,785 0 571,500
Frank's International NV COM N33462107 23,137 1,237,275 SH   SOLE   1,054,170 0 183,105
Fresh Market, Inc. COM 35804H106 100,756 2,479,225 SH   SOLE   1,777,575 0 701,650
General Electric Company COM 369604103 273 11,000 SH   SOLE   11,000 0 0
Genomic Health, Inc. COM 37244C101 30,781 1,007,555 SH   SOLE   713,180 0 294,375
Globus Medical, Inc. Class A COM 379577208 57,977 2,297,020 SH   SOLE   1,655,345 0 641,675
Gorman-Rupp Company COM 383082104 2,721 90,850 SH   SOLE   66,465 0 24,385
Guidewire Software, Inc. COM 40171V100 124,972 2,375,445 SH   SOLE   1,779,555 0 595,890
H.B. Fuller Company COM 359694106 34,538 805,640 SH   SOLE   581,465 0 224,175
Helen of Troy Limited COM G4388N106 19,700 241,745 SH   SOLE   148,070 0 93,675
ICU Medical, Inc. COM 44930G107 52,520 563,880 SH   SOLE   403,555 0 160,325
Independent Bank Corp. COM 453836108 28,050 639,395 SH   SOLE   451,920 0 187,475
Informatica Corporation COM 45666Q102 49,104 1,119,700 SH   SOLE   955,005 0 164,695
Innospec Inc. COM 45768S105 26,396 569,005 SH   SOLE   407,780 0 161,225
Insulet Corporation COM 45784P101 45,895 1,376,175 SH   SOLE   991,550 0 384,625
Integra LifeSciences Holdings COM 457985208 88,454 1,434,775 SH   SOLE   1,022,150 0 412,625
J. M. Smucker Company COM 832696405 58,353 504,220 SH   SOLE   429,470 0 74,750
James River Group Holdings Ltd COM G5005R107 3,551 150,900 SH   SOLE   108,140 0 42,760
John Bean Technologies Corpora COM 477839104 6,849 191,735 SH   SOLE   134,735 0 57,000
John Wiley & Sons, Inc. Class COM 968223206 91,419 1,495,245 SH   SOLE   1,154,340 0 340,905
Lancaster Colony Corporation COM 513847103 62,515 656,880 SH   SOLE   466,485 0 190,395
LogMeIn, Inc. COM 54142L109 61,846 1,104,595 SH   SOLE   786,420 0 318,175
Lydall, Inc. COM 550819106 25,980 819,045 SH   SOLE   574,270 0 244,775
Masimo Corporation COM 574795100 43,099 1,306,830 SH   SOLE   924,905 0 381,925
McCormick & Company, Incorpora COM 579780206 56,763 736,130 SH   SOLE   627,125 0 109,005
Medidata Solutions, Inc. COM 58471A105 37,685 768,460 SH   SOLE   550,810 0 217,650
Mentor Graphics Corporation COM 587200106 22,486 935,755 SH   SOLE   673,155 0 262,600
Mettler-Toledo International I COM 592688105 23,268 70,800 SH   SOLE   60,310 0 10,490
Molson Coors Brewing Company C COM 60871R209 21,800 292,815 SH   SOLE   249,300 0 43,515
NBT Bancorp Inc. COM 628778102 21,895 873,715 SH   SOLE   617,915 0 255,800
Navigators Group, Inc. COM 638904102 35,267 453,075 SH   SOLE   324,560 0 128,515
Northern Trust Corporation COM 665859104 45,970 660,015 SH   SOLE   562,700 0 97,315
NuVasive, Inc. COM 670704105 63,748 1,386,130 SH   SOLE   1,000,330 0 385,800
Omnicell, Inc. COM 68213N109 46,208 1,316,460 SH   SOLE   933,860 0 382,600
Owens & Minor, Inc. COM 690732102 29,752 879,210 SH   SOLE   623,985 0 255,225
PROS Holdings, Inc. COM 74346Y103 56,809 2,299,025 SH   SOLE   1,658,650 0 640,375
PTC Inc. COM 69370C100 45,065 1,245,935 SH   SOLE   1,062,655 0 183,280
Panera Bread Company Class A COM 69840W108 37,907 236,925 SH   SOLE   201,765 0 35,160
Parker-Hannifin Corporation COM 701094104 33,141 279,010 SH   SOLE   237,640 0 41,370
Phibro Animal Health Corporati COM 71742Q106 16,310 460,615 SH   SOLE   331,815 0 128,800
Philip Morris International In COM 718172109 339 4,500 SH   SOLE   4,500 0 0
Post Holdings, Inc. COM 737446104 30,397 648,960 SH   SOLE   457,960 0 191,000
Potash Corporation of Saskatch COM 73755L107 210 6,500 SH   SOLE   6,500 0 0
Prosperity Bancshares, Inc.(R) COM 743606105 86,907 1,656,000 SH   SOLE   1,291,050 0 364,950
QUALCOMM Incorporated COM 747525103 243 3,500 SH   SOLE   3,500 0 0
Qlik Technologies Inc. COM 74733T105 65,201 2,094,470 SH   SOLE   1,490,695 0 603,775
Qualys, Inc. COM 74758T303 81,842 1,760,795 SH   SOLE   1,252,970 0 507,825
RBC Bearings Incorporated COM 75524B104 67,092 876,555 SH   SOLE   621,330 0 255,225
Raven Industries, Inc. COM 754212108 37,870 1,850,905 SH   SOLE   1,334,330 0 516,575
Red Hat, Inc. COM 756577102 62,424 824,085 SH   SOLE   702,345 0 121,740
Ritchie Bros. Auctioneers Inco COM 767744105 43,796 1,756,055 SH   SOLE   1,329,180 0 426,875
Rockwell Automation, Inc. COM 773903109 50,996 439,660 SH   SOLE   374,900 0 64,760
STERIS Corporation COM 859152100 105,290 1,498,365 SH   SOLE   1,103,875 0 394,490
Sally Beauty Holdings, Inc. COM 79546E104 10,539 306,620 SH   SOLE   260,785 0 45,835
Sensient Technologies Corporat COM 81725T100 44,714 649,160 SH   SOLE   458,110 0 191,050
Sirona Dental Systems, Inc. COM 82966C103 49,963 555,210 SH   SOLE   473,260 0 81,950
Snyder's-Lance, Inc. COM 833551104 78,974 2,471,035 SH   SOLE   1,768,710 0 702,325
Solera Holdings, Inc. COM 83421A104 26,665 516,170 SH   SOLE   439,820 0 76,350
Splunk Inc. COM 848637104 10,511 177,545 SH   SOLE   151,340 0 26,205
St. Jude Medical, Inc. COM 790849103 65,600 1,003,055 SH   SOLE   855,705 0 147,350
Standex International Corporat COM 854231107 47,750 581,390 SH   SOLE   412,185 0 169,205
Suncor Energy Inc. COM 867224107 278 9,500 SH   SOLE   9,500 0 0
Teleflex Incorporated COM 879369106 28,349 234,615 SH   SOLE   199,805 0 34,810
TreeHouse Foods, Inc. COM 89469A104 56,934 669,660 SH   SOLE   478,110 0 191,550
TriMas Corporation COM 896215209 92,097 2,991,145 SH   SOLE   2,159,845 0 831,300
Tupperware Brands Corporation COM 899896104 31,912 462,360 SH   SOLE   393,760 0 68,600
UMB Financial Corporation COM 902788108 96,490 1,824,355 SH   SOLE   1,311,755 0 512,600
Verisk Analytics, Inc. Class A COM 92345Y106 42,005 588,305 SH   SOLE   501,620 0 86,685
WEX Inc. COM 96208T104 145,380 1,354,135 SH   SOLE   1,036,105 0 318,030
WOODWARD, INC. COM 980745103 81,489 1,597,520 SH   SOLE   1,147,295 0 450,225
Washington Trust Bancorp, Inc. COM 940610108 33,940 888,705 SH   SOLE   633,755 0 254,950
Waters Corporation COM 941848103 27,133 218,250 SH   SOLE   186,365 0 31,885
West Pharmaceutical Services, COM 955306105 61,997 1,029,675 SH   SOLE   735,350 0 294,325
Willis Group Holdings Plc COM G96666105 42,428 880,615 SH   SOLE   750,080 0 130,535
Wolverine World Wide, Inc. COM 978097103 101,580 3,036,785 SH   SOLE   2,147,910 0 888,875
Xilinx, Inc. COM 983919101 28,154 665,575 SH   SOLE   566,875 0 98,700
Zimmer Holdings, Inc. COM 98956P102 27,591 234,780 SH   SOLE   200,020 0 34,760
Zoetis, Inc. Class A COM 98978V103 32,952 711,870 SH   SOLE   606,460 0 105,410
BP p.l.c. Sponsored ADR ADR 055622104 235 6,000 SH   SOLE   6,000 0 0
Diageo plc Sponsored ADR ADR 25243Q205 332 3,000 SH   SOLE   3,000 0 0
Sanofi Sponsored ADR ADR 80105N105 247 5,000 SH   SOLE   5,000 0 0