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 53,329 650,350 SH   SOLE   429,800 0 220,550
Aceto Corporation COM 004446100 20,865 961,510 SH   SOLE   664,010 0 297,500
Actuant Corporation Class A COM 00508X203 92,172 3,383,685 SH   SOLE   2,302,070 0 1,081,615
Advance Auto Parts, Inc. COM 00751Y106 28,641 179,815 SH   SOLE   118,340 0 61,475
Advisory Board Company COM 00762W107 229 4,680 SH   SOLE   4,680 0 0
Allied World Assurance Company COM H01531104 121,320 3,199,370 SH   SOLE   2,160,490 0 1,038,880
Altera Corporation COM 021441100 60,167 1,628,765 SH   SOLE   1,076,110 0 552,655
American Vanguard Corporation COM 030371108 18,742 1,612,950 SH   SOLE   1,103,150 0 509,800
Approach Resources Inc. COM 03834A103 8,412 1,316,450 SH   SOLE   900,300 0 416,150
Aptargroup, Inc. COM 038336103 42,734 639,345 SH   SOLE   421,695 0 217,650
Argo Group International Holdi COM G0464B107 64,335 1,159,825 SH   SOLE   798,350 0 361,475
Arthur J. Gallagher & Co. COM 363576109 58,415 1,240,770 SH   SOLE   820,740 0 420,030
B&G Foods, Inc. COM 05508R106 55,066 1,841,665 SH   SOLE   1,273,515 0 568,150
Bed Bath & Beyond Inc. COM 075896100 64,577 847,795 SH   SOLE   559,115 0 288,680
Bio-Rad Laboratories, Inc. Cla COM 090572207 13,121 108,830 SH   SOLE   74,015 0 34,815
Blackbaud, Inc. COM 09227Q100 83,799 1,937,105 SH   SOLE   1,340,205 0 596,900
Bottomline Technologies (de), COM 101388106 45,954 1,817,810 SH   SOLE   1,248,110 0 569,700
Brady Corporation Class A COM 104674106 39,954 1,461,360 SH   SOLE   1,000,035 0 461,325
Bright Horizons Family Solutio COM 109194100 10,576 224,970 SH   SOLE   152,870 0 72,100
Bryn Mawr Bank Corporation COM 117665109 29,404 939,425 SH   SOLE   647,575 0 291,850
C. R. Bard, Inc. COM 067383109 43,425 260,625 SH   SOLE   172,105 0 88,520
CLARCOR Inc. COM 179895107 140,256 2,104,685 SH   SOLE   1,430,070 0 674,615
CST Brands, Inc. COM 12646R105 124,905 2,864,140 SH   SOLE   1,947,025 0 917,115
CVB Financial Corp. COM 126600105 57,127 3,565,950 SH   SOLE   2,449,900 0 1,116,050
Cabela's Incorporated COM 126804301 34,817 660,545 SH   SOLE   434,380 0 226,165
Cantel Medical Corp. COM 138098108 33,138 766,030 SH   SOLE   526,150 0 239,880
Cardtronics, Inc. COM 14161H108 85,567 2,217,920 SH   SOLE   1,523,235 0 694,685
CareFusion Corporation COM 14170T101 75,774 1,276,945 SH   SOLE   799,460 0 477,485
Casey's General Stores, Inc. COM 147528103 80,031 886,080 SH   SOLE   609,930 0 276,150
Cepheid COM 15670R107 143,235 2,645,645 SH   SOLE   1,789,490 0 856,155
Church & Dwight Co., Inc. COM 171340102 14,186 180,000 SH   SOLE   117,195 0 62,805
Commerce Bancshares, Inc. COM 200525103 51,847 1,192,165 SH   SOLE   790,240 0 401,925
Community Bank System, Inc. COM 203607106 35,853 940,275 SH   SOLE   647,825 0 292,450
Cooper Companies, Inc. COM 216648402 43,545 268,645 SH   SOLE   176,010 0 92,635
Core Laboratories NV COM N22717107 44,208 367,355 SH   SOLE   243,370 0 123,985
Cullen/Frost Bankers, Inc. COM 229899109 44,205 625,780 SH   SOLE   415,770 0 210,010
Deere & Company COM 244199105 221 2,500 SH   SOLE   2,500 0 0
Denbury Resources Inc. COM 247916208 42,108 5,179,315 SH   SOLE   3,478,095 0 1,701,220
Dover Corporation COM 260003108 51,868 723,200 SH   SOLE   478,300 0 244,900
Edwards Lifesciences Corporati COM 28176E108 38,253 300,310 SH   SOLE   198,375 0 101,935
Elizabeth Arden, Inc. COM 28660G106 20,375 952,535 SH   SOLE   661,920 0 290,615
EnPro Industries, Inc. COM 29355X107 36,615 583,410 SH   SOLE   400,785 0 182,625
Endurance Specialty Holdings L COM G30397106 148,578 2,482,915 SH   SOLE   1,688,770 0 794,145
Esterline Technologies Corpora COM 297425100 113,413 1,034,035 SH   SOLE   701,335 0 332,700
Express Scripts Holding Compan COM 30219G108 271 3,200 SH   SOLE   3,200 0 0
Financial Engines, Inc. COM 317485100 49,352 1,350,270 SH   SOLE   931,545 0 418,725
First Financial Bankshares, In COM 32020R109 26,925 901,095 SH   SOLE   621,045 0 280,050
FleetMatics Group Ltd. COM G35569105 66,677 1,878,760 SH   SOLE   1,298,210 0 580,550
Flowers Foods, Inc. COM 343498101 69,633 3,628,590 SH   SOLE   2,397,515 0 1,231,075
Forum Energy Technologies, Inc COM 34984V100 37,511 1,809,515 SH   SOLE   1,249,390 0 560,125
Frank's International NV COM N33462107 24,463 1,470,990 SH   SOLE   975,860 0 495,130
Fresh Market, Inc. COM 35804H106 93,580 2,271,360 SH   SOLE   1,567,760 0 703,600
General Electric Company COM 369604103 227 9,000 SH   SOLE   9,000 0 0
Genomic Health, Inc. COM 37244C101 38,913 1,217,175 SH   SOLE   835,700 0 381,475
Globus Medical, Inc. Class A COM 379577208 54,833 2,306,825 SH   SOLE   1,599,375 0 707,450
Guidewire Software, Inc. COM 40171V100 121,774 2,405,165 SH   SOLE   1,633,400 0 771,765
H.B. Fuller Company COM 359694106 32,360 726,710 SH   SOLE   499,460 0 227,250
Helen of Troy Limited COM G4388N106 24,050 369,655 SH   SOLE   256,205 0 113,450
ICU Medical, Inc. COM 44930G107 47,254 576,970 SH   SOLE   401,145 0 175,825
Independent Bank Corp. COM 453836108 25,173 588,025 SH   SOLE   405,550 0 182,475
Informatica Corporation COM 45666Q102 55,520 1,455,870 SH   SOLE   963,775 0 492,095
Innospec Inc. COM 45768S105 24,485 573,425 SH   SOLE   410,300 0 163,125
Insulet Corporation COM 45784P101 21,250 461,355 SH   SOLE   320,180 0 141,175
Integra LifeSciences Holdings COM 457985208 78,364 1,445,025 SH   SOLE   992,900 0 452,125
J. M. Smucker Company COM 832696405 66,828 661,795 SH   SOLE   433,945 0 227,850
John Bean Technologies Corpora COM 477839104 550 16,725 SH   SOLE   11,825 0 4,900
John Wiley & Sons, Inc. Class COM 968223206 82,747 1,396,815 SH   SOLE   1,034,930 0 361,885
Lancaster Colony Corporation COM 513847103 62,220 664,460 SH   SOLE   453,565 0 210,895
LogMeIn, Inc. COM 54142L109 52,897 1,072,100 SH   SOLE   738,375 0 333,725
Luminex Corporation COM 55027E102 12,664 675,050 SH   SOLE   465,025 0 210,025
Lydall, Inc. COM 550819106 15,974 486,715 SH   SOLE   319,340 0 167,375
Masimo Corporation COM 574795100 35,234 1,337,680 SH   SOLE   918,755 0 418,925
McCormick & Company, Incorpora COM 579780206 47,189 635,110 SH   SOLE   419,240 0 215,870
Medidata Solutions, Inc. COM 58471A105 33,765 707,130 SH   SOLE   483,180 0 223,950
Mettler-Toledo International I COM 592688105 32,285 106,740 SH   SOLE   70,035 0 36,705
Molson Coors Brewing Company C COM 60871R209 34,088 457,430 SH   SOLE   302,830 0 154,600
NBT Bancorp Inc. COM 628778102 22,317 849,510 SH   SOLE   583,560 0 265,950
National Oilwell Varco, Inc. COM 637071101 216 3,300 SH   SOLE   3,300 0 0
Navigators Group, Inc. COM 638904102 32,819 447,485 SH   SOLE   309,195 0 138,290
Northern Oil and Gas, Inc. COM 665531109 705 124,780 SH   SOLE   85,655 0 39,125
Northern Trust Corporation COM 665859104 57,862 858,490 SH   SOLE   567,350 0 291,140
NuVasive, Inc. COM 670704105 84,262 1,786,730 SH   SOLE   1,226,155 0 560,575
Oasis Petroleum Inc. COM 674215108 13,323 805,480 SH   SOLE   545,615 0 259,865
Omnicell, Inc. COM 68213N109 37,623 1,135,975 SH   SOLE   785,175 0 350,800
Oracle Corporation COM 68389X105 202 4,500 SH   SOLE   4,500 0 0
Owens & Minor, Inc. COM 690732102 23,573 671,400 SH   SOLE   455,100 0 216,300
PROS Holdings, Inc. COM 74346Y103 55,571 2,022,245 SH   SOLE   1,389,420 0 632,825
PTC Inc. COM 69370C100 40,446 1,103,580 SH   SOLE   733,140 0 370,440
Panera Bread Company Class A COM 69840W108 51,280 293,365 SH   SOLE   194,775 0 98,590
Parker-Hannifin Corporation COM 701094104 46,368 359,585 SH   SOLE   236,915 0 122,670
PetSmart, Inc. COM 716768106 28,966 356,310 SH   SOLE   234,230 0 122,080
Philip Morris International In COM 718172109 367 4,500 SH   SOLE   4,500 0 0
Post Holdings, Inc. COM 737446104 37,619 898,035 SH   SOLE   618,985 0 279,050
Prestige Brands Holdings, Inc. COM 74112D101 25,671 739,375 SH   SOLE   507,250 0 232,125
Prosperity Bancshares, Inc.(R) COM 743606105 84,484 1,526,090 SH   SOLE   1,026,130 0 499,960
QIAGEN NV COM N72482107 13,201 562,705 SH   SOLE   371,465 0 191,240
QUALCOMM Incorporated COM 747525103 223 3,000 SH   SOLE   3,000 0 0
Qlik Technologies Inc. COM 74733T105 65,341 2,115,295 SH   SOLE   1,454,520 0 660,775
Qualys, Inc. COM 74758T303 79,240 2,099,070 SH   SOLE   1,443,395 0 655,675
RBC Bearings Incorporated COM 75524B104 45,780 709,430 SH   SOLE   485,580 0 223,850
Raven Industries, Inc. COM 754212108 45,445 1,817,800 SH   SOLE   1,250,975 0 566,825
RealPage, Inc. COM 75606N109 19,428 884,695 SH   SOLE   607,120 0 277,575
Red Hat, Inc. COM 756577102 75,245 1,088,305 SH   SOLE   717,305 0 371,000
Ritchie Bros. Auctioneers Inco COM 767744105 44,925 1,670,685 SH   SOLE   1,215,610 0 455,075
Rockwell Automation, Inc. COM 773903109 61,881 556,480 SH   SOLE   368,010 0 188,470
Sensient Technologies Corporat COM 81725T100 53,578 887,940 SH   SOLE   608,610 0 279,330
Sirius XM Holdings, Inc. COM 82968B103 105 30,000 SH   SOLE   30,000 0 0
Sirona Dental Systems, Inc. COM 82966C103 63,416 725,835 SH   SOLE   478,105 0 247,730
Snyder's-Lance, Inc. COM 833551104 76,008 2,487,985 SH   SOLE   1,715,360 0 772,625
Solera Holdings, Inc. COM 83421A104 46,210 902,900 SH   SOLE   595,895 0 307,005
St. Jude Medical, Inc. COM 790849103 84,069 1,292,780 SH   SOLE   854,130 0 438,650
Standex International Corporat COM 854231107 40,167 519,900 SH   SOLE   358,245 0 161,655
STERIS Corporation COM 859152100 79,875 1,231,695 SH   SOLE   847,395 0 384,300
Suncor Energy Inc. COM 867224107 302 9,500 SH   SOLE   9,500 0 0
Teleflex Incorporated COM 879369106 35,030 305,085 SH   SOLE   200,525 0 104,560
TreeHouse Foods, Inc. COM 89469A104 48,197 563,515 SH   SOLE   380,990 0 182,525
TriMas Corporation COM 896215209 87,523 2,797,160 SH   SOLE   1,925,310 0 871,850
Tupperware Brands Corporation COM 899896104 37,724 598,790 SH   SOLE   396,200 0 202,590
UMB Financial Corporation COM 902788108 93,254 1,639,200 SH   SOLE   1,124,625 0 514,575
Verisk Analytics, Inc. Class A COM 92345Y106 69,751 1,089,005 SH   SOLE   718,220 0 370,785
WEX Inc. COM 96208T104 134,654 1,361,240 SH   SOLE   919,105 0 442,135
WOODWARD, INC. COM 980745103 68,395 1,389,295 SH   SOLE   956,120 0 433,175
Wal-Mart Stores, Inc. COM 931142103 223 2,600 SH   SOLE   2,600 0 0
Washington Trust Bancorp, Inc. COM 940610108 35,730 889,255 SH   SOLE   608,430 0 280,825
Waters Corporation COM 941848103 20,756 184,140 SH   SOLE   121,930 0 62,210
West Pharmaceutical Services, COM 955306105 71,221 1,337,730 SH   SOLE   920,505 0 417,225
Willis Group Holdings Plc COM G96666105 51,787 1,155,695 SH   SOLE   763,485 0 392,210
Wolverine World Wide, Inc. COM 978097103 88,782 3,012,630 SH   SOLE   2,071,655 0 940,975
Xilinx, Inc. COM 983919101 39,043 901,895 SH   SOLE   595,195 0 306,700
Zimmer Holdings, Inc. COM 98956P102 34,583 304,910 SH   SOLE   200,350 0 104,560
Zoetis, Inc. Class A COM 98978V103 46,775 1,087,035 SH   SOLE   717,120 0 369,915
BP p.l.c. Sponsored ADR ADR 055622104 229 6,000 SH   SOLE   6,000 0 0
Diageo plc Sponsored ADR ADR 25243Q205 342 3,000 SH   SOLE   3,000 0 0
Sanofi Sponsored ADR ADR 80105N105 228 5,000 SH   SOLE   5,000 0 0