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 52,983 580,695 SH   SOLE   496,480 0 84,215
Aceto Corporation COM 004446100 23,266 944,640 SH   SOLE   660,340 0 284,300
Actuant Corporation Class A COM 00508X203 77,628 3,361,965 SH   SOLE   2,606,225 0 755,740
Advance Auto Parts, Inc. COM 00751Y106 24,319 152,670 SH   SOLE   130,270 0 22,400
Advisory Board Company COM 00762W107 257 4,710 SH   SOLE   4,710 0 0
Align Technology, Inc. COM 016255101 32,856 523,935 SH   SOLE   447,485 0 76,450
Allied World Assurance Company COM H01531104 140,677 3,254,915 SH   SOLE   2,476,090 0 778,825
Altera Corporation COM 021441100 36,813 718,995 SH   SOLE   614,900 0 104,095
American International Group, COM 026874784 291 4,700 SH   SOLE   4,700 0 0
American Vanguard Corporation COM 030371108 16,189 1,173,080 SH   SOLE   820,055 0 353,025
Aptargroup, Inc. COM 038336103 38,445 602,865 SH   SOLE   515,040 0 87,825
Argo Group International Holdi COM G0464B107 70,700 1,269,306 SH   SOLE   884,184 0 385,122
Arthur J. Gallagher & Co. COM 363576109 54,378 1,149,645 SH   SOLE   982,390 0 167,255
B&G Foods, Inc. COM 05508R106 55,838 1,957,170 SH   SOLE   1,351,895 0 605,275
Baxter International Inc. COM 071813109 210 3,000 SH   SOLE   3,000 0 0
Bed Bath & Beyond Inc. COM 075896100 43,126 625,190 SH   SOLE   534,375 0 90,815
Blackbaud, Inc. COM 09227Q100 90,488 1,588,895 SH   SOLE   1,106,890 0 482,005
Bottomline Technologies (de), COM 101388106 19,391 697,250 SH   SOLE   487,320 0 209,930
Brady Corporation Class A COM 104674106 44,756 1,809,065 SH   SOLE   1,265,080 0 543,985
Bright Horizons Family Solutio COM 109194100 14,750 255,195 SH   SOLE   176,395 0 78,800
Bryn Mawr Bank Corporation COM 117665109 35,859 1,188,975 SH   SOLE   830,575 0 358,400
C. R. Bard, Inc. COM 067383109 33,822 198,140 SH   SOLE   169,605 0 28,535
CLARCOR Inc. COM 179895107 127,427 2,047,350 SH   SOLE   1,502,660 0 544,690
CST Brands, Inc. COM 12646R105 74,419 1,905,250 SH   SOLE   1,414,285 0 490,965
CVB Financial Corp. COM 126600105 59,663 3,388,010 SH   SOLE   2,368,680 0 1,019,330
Cabela's Incorporated COM 126804301 48,844 977,265 SH   SOLE   834,240 0 143,025
Cameco Corporation COM 13321L108 157 11,000 SH   SOLE   11,000 0 0
Cantel Medical Corp. COM 138098108 44,884 836,295 SH   SOLE   567,790 0 268,505
Cardtronics, Inc. COM 14161H108 48,396 1,306,225 SH   SOLE   903,915 0 402,310
Casey's General Stores, Inc. COM 147528103 63,300 661,170 SH   SOLE   461,120 0 200,050
Cepheid COM 15670R107 107,855 1,763,785 SH   SOLE   1,324,295 0 439,490
Commerce Bancshares, Inc. COM 200525103 54,508 1,165,445 SH   SOLE   995,295 0 170,150
Community Bank System, Inc. COM 203607106 47,340 1,253,365 SH   SOLE   879,690 0 373,675
Cooper Companies, Inc. COM 216648402 49,776 279,685 SH   SOLE   244,485 0 35,200
Core Laboratories NV COM N22717107 39,353 345,085 SH   SOLE   295,060 0 50,025
Cullen/Frost Bankers, Inc. COM 229899109 61,452 782,025 SH   SOLE   668,465 0 113,560
Darling Ingredients Inc. COM 237266101 161 11,000 SH   SOLE   11,000 0 0
Denbury Resources Inc. COM 247916208 92,293 14,511,435 SH   SOLE   11,001,020 0 3,510,415
Donaldson Company, Inc. COM 257651109 29,139 813,940 SH   SOLE   696,260 0 117,680
Dover Corporation COM 260003108 57,648 821,430 SH   SOLE   701,785 0 119,645
Edwards Lifesciences Corporati COM 28176E108 36,226 254,345 SH   SOLE   217,645 0 36,700
Elizabeth Arden, Inc. COM 28660G106 14,867 1,042,540 SH   SOLE   802,025 0 240,515
Endurance Specialty Holdings L COM G30397106 174,813 2,660,780 SH   SOLE   1,992,610 0 668,170
Esterline Technologies Corpora COM 297425100 80,105 840,205 SH   SOLE   631,020 0 209,185
Express Scripts Holding Compan COM 30219G108 240 2,700 SH   SOLE   2,700 0 0
Fastenal Company COM 311900104 22,989 545,020 SH   SOLE   464,290 0 80,730
Financial Engines, Inc. COM 317485100 76,841 1,808,875 SH   SOLE   1,264,875 0 544,000
First Financial Bankshares, In COM 32020R109 47,525 1,371,960 SH   SOLE   958,035 0 413,925
FleetMatics Group Ltd. COM G35569105 63,527 1,356,535 SH   SOLE   948,705 0 407,830
Flowers Foods, Inc. COM 343498101 73,027 3,452,830 SH   SOLE   2,952,795 0 500,035
Fortinet, Inc. COM 34959E109 14,893 360,345 SH   SOLE   308,030 0 52,315
Forum Energy Technologies, Inc COM 34984V100 39,921 1,968,480 SH   SOLE   1,364,480 0 604,000
Frank's International NV COM N33462107 28,132 1,493,185 SH   SOLE   1,277,185 0 216,000
Fresh Market, Inc. COM 35804H106 84,740 2,636,575 SH   SOLE   1,843,200 0 793,375
General Electric Company COM 369604103 292 11,000 SH   SOLE   11,000 0 0
Globus Medical, Inc. Class A COM 379577208 46,906 1,827,250 SH   SOLE   1,264,175 0 563,075
Gorman-Rupp Company COM 383082104 11,690 416,305 SH   SOLE   292,080 0 124,225
Guidewire Software, Inc. COM 40171V100 139,494 2,635,440 SH   SOLE   1,973,075 0 662,365
H.B. Fuller Company COM 359694106 36,986 910,535 SH   SOLE   632,360 0 278,175
Halyard Health Inc COM 40650V100 36,605 903,830 SH   SOLE   632,140 0 271,690
Helen of Troy Limited COM G4388N106 7,799 80,000 SH   SOLE   0 0 80,000
Hibbett Sports, Inc. COM 428567101 20,172 433,070 SH   SOLE   298,750 0 134,320
ICU Medical, Inc. COM 44930G107 53,530 559,590 SH   SOLE   389,940 0 169,650
Independent Bank Corp. COM 453836108 34,036 725,860 SH   SOLE   508,210 0 217,650
Informatica Corporation COM 45666Q102 51,332 1,059,050 SH   SOLE   871,205 0 187,845
Innospec Inc. COM 45768S105 28,792 639,245 SH   SOLE   443,370 0 195,875
Insulet Corporation COM 45784P101 45,932 1,482,380 SH   SOLE   1,034,080 0 448,300
Integra LifeSciences Holdings COM 457985208 95,880 1,423,185 SH   SOLE   986,810 0 436,375
J. M. Smucker Company COM 832696405 65,738 606,385 SH   SOLE   517,960 0 88,425
James River Group Holdings Ltd COM G5005R107 11,366 439,345 SH   SOLE   304,370 0 134,975
John Bean Technologies Corpora COM 477839104 7,033 187,095 SH   SOLE   127,095 0 60,000
John Wiley & Sons, Inc. Class COM 968223206 107,032 1,968,590 SH   SOLE   1,489,725 0 478,865
Laboratory Corporation of Amer COM 50540R409 44,053 363,410 SH   SOLE   310,535 0 52,875
Lancaster Colony Corporation COM 513847103 57,777 635,955 SH   SOLE   434,735 0 201,220
LogMeIn, Inc. COM 54142L109 72,775 1,128,465 SH   SOLE   788,865 0 339,600
Lydall, Inc. COM 550819106 30,309 1,025,335 SH   SOLE   717,985 0 307,350
Masimo Corporation COM 574795100 48,932 1,263,100 SH   SOLE   859,225 0 403,875
McCormick & Company, Incorpora COM 579780206 80,512 994,595 SH   SOLE   850,555 0 144,040
Medidata Solutions, Inc. COM 58471A105 49,447 910,300 SH   SOLE   638,125 0 272,175
Mentor Graphics Corporation COM 587200106 35,856 1,356,650 SH   SOLE   948,315 0 408,335
Mettler-Toledo International I COM 592688105 24,587 72,005 SH   SOLE   61,650 0 10,355
Molson Coors Brewing Company C COM 60871R209 24,949 357,380 SH   SOLE   306,215 0 51,165
NBT Bancorp Inc. COM 628778102 22,880 874,265 SH   SOLE   603,765 0 270,500
NIC Inc. COM 62914B100 14,769 807,950 SH   SOLE   564,100 0 243,850
National Beverage Corp. COM 635017106 1,187 52,800 SH   SOLE   37,410 0 15,390
Navigators Group, Inc. COM 638904102 34,941 450,500 SH   SOLE   314,560 0 135,940
Northern Trust Corporation COM 665859104 58,310 762,625 SH   SOLE   652,255 0 110,370
NuVasive, Inc. COM 670704105 53,474 1,128,610 SH   SOLE   788,700 0 339,910
Omnicell, Inc. COM 68213N109 48,278 1,280,235 SH   SOLE   875,710 0 404,525
Owens & Minor, Inc. COM 690732102 30,454 895,710 SH   SOLE   626,035 0 269,675
PROS Holdings, Inc. COM 74346Y103 48,017 2,274,600 SH   SOLE   1,595,975 0 678,625
PTC Inc. COM 69370C100 62,117 1,514,320 SH   SOLE   1,295,370 0 218,950
Panera Bread Company Class A COM 69840W108 50,194 287,200 SH   SOLE   245,640 0 41,560
Parker-Hannifin Corporation COM 701094104 41,690 358,380 SH   SOLE   306,580 0 51,800
Phibro Animal Health Corporati COM 71742Q106 18,030 463,010 SH   SOLE   326,310 0 136,700
Philip Morris International In COM 718172109 361 4,500 SH   SOLE   4,500 0 0
Potash Corporation of Saskatch COM 73755L107 310 10,000 SH   SOLE   10,000 0 0
Prosperity Bancshares, Inc.(R) COM 743606105 103,956 1,800,410 SH   SOLE   1,399,385 0 401,025
QUALCOMM Incorporated COM 747525103 282 4,500 SH   SOLE   4,500 0 0
Qlik Technologies Inc. COM 74733T105 47,969 1,372,110 SH   SOLE   950,020 0 422,090
Qualys, Inc. COM 74758T303 85,764 2,125,500 SH   SOLE   1,486,865 0 638,635
RBC Bearings Incorporated COM 75524B104 62,634 872,825 SH   SOLE   603,275 0 269,550
Raven Industries, Inc. COM 754212108 36,275 1,784,315 SH   SOLE   1,287,215 0 497,100
Red Hat, Inc. COM 756577102 74,411 979,990 SH   SOLE   838,250 0 141,740
Ritchie Bros. Auctioneers Inco COM 767744105 36,054 1,291,350 SH   SOLE   948,015 0 343,335
Rockwell Automation, Inc. COM 773903109 67,940 545,090 SH   SOLE   466,010 0 79,080
STERIS Corporation COM 859152100 73,557 1,141,485 SH   SOLE   866,425 0 275,060
Sally Beauty Holdings, Inc. COM 79546E104 22,961 727,070 SH   SOLE   621,785 0 105,285
Sensient Technologies Corporat COM 81725T100 31,206 456,630 SH   SOLE   314,735 0 141,895
Sirona Dental Systems, Inc. COM 82966C103 45,671 454,800 SH   SOLE   388,885 0 65,915
Snyder's-Lance, Inc. COM 833551104 75,693 2,345,630 SH   SOLE   1,605,680 0 739,950
SolarWinds, Inc. COM 83416B109 54,451 1,180,375 SH   SOLE   1,009,275 0 171,100
Splunk Inc. COM 848637104 25,044 359,720 SH   SOLE   308,130 0 51,590
St. Jude Medical, Inc. COM 790849103 86,948 1,189,925 SH   SOLE   1,017,200 0 172,725
Standex International Corporat COM 854231107 45,714 571,925 SH   SOLE   393,070 0 178,855
Stock Yards Bancorp, Inc. COM 861025104 2,830 74,900 SH   SOLE   52,350 0 22,550
Suncor Energy Inc. COM 867224107 261 9,500 SH   SOLE   9,500 0 0
Teleflex Incorporated COM 879369106 37,831 279,300 SH   SOLE   239,115 0 40,185
TreeHouse Foods, Inc. COM 89469A104 109,122 1,346,690 SH   SOLE   988,945 0 357,745
TriMas Corporation COM 896215209 87,416 2,953,245 SH   SOLE   2,072,270 0 880,975
Tupperware Brands Corporation COM 899896104 37,358 578,830 SH   SOLE   495,580 0 83,250
UMB Financial Corporation COM 902788108 105,439 1,849,160 SH   SOLE   1,292,200 0 556,960
WEX Inc. COM 96208T104 170,121 1,492,685 SH   SOLE   1,136,205 0 356,480
WOODWARD, INC. COM 980745103 86,210 1,567,745 SH   SOLE   1,091,995 0 475,750
Wal-Mart Stores, Inc. COM 931142103 277 3,900 SH   SOLE   3,900 0 0
Washington Trust Bancorp, Inc. COM 940610108 37,823 958,020 SH   SOLE   672,095 0 285,925
Waters Corporation COM 941848103 33,009 257,120 SH   SOLE   219,945 0 37,175
West Pharmaceutical Services, COM 955306105 53,112 914,465 SH   SOLE   642,790 0 271,675
Willis Group Holdings Plc COM G96666105 42,509 906,380 SH   SOLE   776,010 0 130,370
Wolverine World Wide, Inc. COM 978097103 71,017 2,493,590 SH   SOLE   1,745,235 0 748,355
Workday, Inc. Class A COM 98138H101 14,155 185,295 SH   SOLE   157,565 0 27,730
Xilinx, Inc. COM 983919101 35,514 804,215 SH   SOLE   687,440 0 116,775
BP p.l.c. Sponsored ADR ADR 055622104 240 6,000 SH   SOLE   6,000 0 0
Diageo plc Sponsored ADR ADR 25243Q205 383 3,300 SH   SOLE   3,300 0 0
Sanofi Sponsored ADR ADR 80105N105 248 5,000 SH   SOLE   5,000 0 0
Ambev SA Americas ADR ADR 02319V103 549 90,000 SH   SOLE   90,000 0 0
Banco Macro SA Spons ADR ADR 05961W105 365 8,000 SH   SOLE   8,000 0 0
Alibaba Group Hldg ADR 01609W102 1,283 15,600 SH   SOLE   15,600 0 0
Itau Unibanco Hldg. ADR ADR 465562106 656 59,900 SH   SOLE   59,900 0 0
Wuxi Pharmatech ADR ADR 929352102 2,383 56,400 SH   SOLE   56,400 0 0
Pampa Energia SA Spons ADR ADR 697660207 276 20,000 SH   SOLE   20,000 0 0
BanColombia SA Spons ADR ADR 05968L102 516 12,000 SH   SOLE   12,000 0 0