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 45,628 602,985 SH   SOLE   382,185 0 220,800
Aceto Corporation COM 004446100 17,735 917,960 SH   SOLE   638,785 0 279,175
Actuant Corporation Class A COM 00508X203 109,251 3,579,655 SH   SOLE   2,414,350 0 1,165,305
Advance Auto Parts, Inc. COM 00751Y106 29,607 227,225 SH   SOLE   143,275 0 83,950
Advisory Board Company COM 00762W107 214 4,600 SH   SOLE   4,600 0 0
Allied World Assurance Company COM H01531104 110,663 3,003,885 SH   SOLE   2,016,990 0 986,895
Altera Corporation COM 021441100 50,621 1,414,790 SH   SOLE   895,415 0 519,375
American Vanguard Corporation COM 030371108 17,825 1,591,515 SH   SOLE   1,104,490 0 487,025
Approach Resources Inc. COM 03834A103 36,119 2,490,975 SH   SOLE   1,725,850 0 765,125
Aptargroup, Inc. COM 038336103 36,544 602,045 SH   SOLE   382,395 0 219,650
Argo Group International Holdi COM G0464B107 56,596 1,124,940 SH   SOLE   778,465 0 346,475
Arthur J. Gallagher & Co. COM 363576109 52,382 1,154,800 SH   SOLE   733,385 0 421,415
B&G Foods, Inc. COM 05508R106 45,053 1,635,325 SH   SOLE   1,134,775 0 500,550
BJ's Restaurants, Inc. COM 09180C106 27,824 773,090 SH   SOLE   465,665 0 307,425
Bed Bath & Beyond Inc. COM 075896100 54,756 831,775 SH   SOLE   521,970 0 309,805
Bio-Rad Laboratories, Inc. Cla COM 090572207 79,666 702,525 SH   SOLE   475,185 0 227,340
Blackbaud, Inc. COM 09227Q100 71,402 1,817,300 SH   SOLE   1,260,525 0 556,775
Bottomline Technologies (de), COM 101388106 53,261 1,930,435 SH   SOLE   1,339,185 0 591,250
Brady Corporation Class A COM 104674106 30,433 1,356,185 SH   SOLE   939,310 0 416,875
Bryn Mawr Bank Corporation COM 117665109 26,965 951,835 SH   SOLE   660,185 0 291,650
C. R. Bard, Inc. COM 067383109 34,407 241,100 SH   SOLE   152,880 0 88,220
CLARCOR Inc. COM 179895107 131,321 2,081,815 SH   SOLE   1,409,895 0 671,920
CST Brands, Inc. COM 12646R105 102,742 2,857,925 SH   SOLE   1,940,410 0 917,515
CVB Financial Corp. COM 126600105 52,128 3,632,620 SH   SOLE   2,517,295 0 1,115,325
Cantel Medical Corp. COM 138098108 22,630 658,240 SH   SOLE   455,160 0 203,080
Cardtronics, Inc. COM 14161H108 76,496 2,173,175 SH   SOLE   1,505,115 0 668,060
CareFusion Corporation COM 14170T101 59,545 1,315,905 SH   SOLE   833,920 0 481,985
Casey's General Stores, Inc. COM 147528103 77,046 1,074,555 SH   SOLE   746,110 0 328,445
Cepheid COM 15670R107 126,524 2,873,595 SH   SOLE   1,928,920 0 944,675
Church & Dwight Co., Inc. COM 171340102 16,384 233,530 SH   SOLE   145,915 0 87,615
Clorox Company COM 189054109 13,599 141,600 SH   SOLE   89,075 0 52,525
Coca-Cola Company COM 191216100 218 5,100 SH   SOLE   5,100 0 0
Commerce Bancshares, Inc. COM 200525103 45,929 1,028,770 SH   SOLE   652,910 0 375,860
Community Bank System, Inc. COM 203607106 31,987 952,290 SH   SOLE   660,040 0 292,250
Cooper Companies, Inc. COM 216648402 33,996 218,275 SH   SOLE   135,685 0 82,590
Core Laboratories NV COM N22717107 39,100 267,170 SH   SOLE   170,930 0 96,240
Cullen/Frost Bankers, Inc. COM 229899109 43,616 570,070 SH   SOLE   361,695 0 208,375
Deere & Company COM 244199105 205 2,500 SH   SOLE   2,500 0 0
Denbury Resources Inc. COM 247916208 47,238 3,142,915 SH   SOLE   1,991,195 0 1,151,720
Dover Corporation COM 260003108 51,408 639,965 SH   SOLE   404,975 0 234,990
E2open, Inc. COM 29788A104 9,536 1,024,290 SH   SOLE   711,040 0 313,250
Edwards Lifesciences Corporati COM 28176E108 40,824 399,650 SH   SOLE   252,930 0 146,720
Elizabeth Arden, Inc. COM 28660G106 15,232 909,910 SH   SOLE   631,295 0 278,615
EnPro Industries, Inc. COM 29355X107 35,718 590,090 SH   SOLE   406,115 0 183,975
Endurance Specialty Holdings L COM G30397106 134,324 2,434,280 SH   SOLE   1,651,650 0 782,630
Esterline Technologies Corpora COM 297425100 108,256 972,910 SH   SOLE   652,385 0 320,525
Express Scripts Holding Compan COM 30219G108 367 5,200 SH   SOLE   5,200 0 0
Financial Engines, Inc. COM 317485100 30,834 901,185 SH   SOLE   623,135 0 278,050
First Financial Bankshares, In COM 32020R109 18,788 676,080 SH   SOLE   467,605 0 208,475
FleetMatics Group Ltd. COM G35569105 58,924 1,931,940 SH   SOLE   1,340,640 0 591,300
Flowers Foods, Inc. COM 343498101 50,855 2,769,900 SH   SOLE   1,755,375 0 1,014,525
Forum Energy Technologies, Inc COM 34984V100 87,059 2,844,125 SH   SOLE   1,924,360 0 919,765
Frank's International NV COM N33462107 24,140 1,290,920 SH   SOLE   822,020 0 468,900
Fresh Market, Inc. COM 35804H106 79,251 2,268,855 SH   SOLE   1,573,405 0 695,450
General Electric Company COM 369604103 205 8,000 SH   SOLE   8,000 0 0
Genomic Health, Inc. COM 37244C101 34,957 1,234,780 SH   SOLE   853,680 0 381,100
Globus Medical, Inc. Class A COM 379577208 46,700 2,374,180 SH   SOLE   1,642,405 0 731,775
Guidewire Software, Inc. COM 40171V100 101,200 2,282,365 SH   SOLE   1,541,925 0 740,440
H.B. Fuller Company COM 359694106 23,393 589,240 SH   SOLE   408,540 0 180,700
Helen of Troy Limited COM G4388N106 12,058 229,580 SH   SOLE   159,880 0 69,700
ICU Medical, Inc. COM 44930G107 43,278 674,330 SH   SOLE   466,430 0 207,900
Independent Bank Corp. COM 453836108 20,394 570,950 SH   SOLE   396,525 0 174,425
Informatica Corporation COM 45666Q102 36,657 1,070,590 SH   SOLE   678,975 0 391,615
Innospec Inc. COM 45768S105 17,667 492,120 SH   SOLE   339,620 0 152,500
Insulet Corporation COM 45784P101 10,178 276,205 SH   SOLE   192,380 0 83,825
Integra LifeSciences Holdings COM 457985208 67,657 1,362,945 SH   SOLE   944,895 0 418,050
Intuit Inc. COM 461202103 27,880 318,080 SH   SOLE   200,405 0 117,675
J. M. Smucker Company COM 832696405 57,029 576,105 SH   SOLE   360,695 0 215,410
John Wiley & Sons, Inc. Class COM 968223206 68,587 1,222,370 SH   SOLE   888,725 0 333,645
Kellogg Company COM 487836108 37,992 616,755 SH   SOLE   391,825 0 224,930
Lancaster Colony Corporation COM 513847103 54,905 643,825 SH   SOLE   445,830 0 197,995
Landstar System, Inc. COM 515098101 22,160 306,970 SH   SOLE   183,695 0 123,275
LogMeIn, Inc. COM 54142L109 52,356 1,136,455 SH   SOLE   788,705 0 347,750
Luminex Corporation COM 55027E102 35,350 1,812,840 SH   SOLE   1,257,215 0 555,625
Masimo Corporation COM 574795100 38,177 1,794,025 SH   SOLE   1,237,900 0 556,125
McCormick & Company, Incorpora COM 579780206 35,057 524,020 SH   SOLE   332,110 0 191,910
Measurement Specialties, Inc. COM 583421102 63,238 738,675 SH   SOLE   510,400 0 228,275
Medidata Solutions, Inc. COM 58471A105 20,053 452,755 SH   SOLE   313,580 0 139,175
Mettler-Toledo International I COM 592688105 31,308 122,235 SH   SOLE   77,375 0 44,860
Mistras Group, Inc. COM 60649T107 9,216 451,750 SH   SOLE   312,575 0 139,175
Molson Coors Brewing Company C COM 60871R209 31,685 425,650 SH   SOLE   269,950 0 155,700
NBT Bancorp Inc. COM 628778102 19,475 864,780 SH   SOLE   599,005 0 265,775
National Oilwell Varco, Inc. COM 637071101 251 3,300 SH   SOLE   3,300 0 0
Navigators Group, Inc. COM 638904102 25,157 409,060 SH   SOLE   283,860 0 125,200
Northern Oil and Gas, Inc. COM 665531109 12,796 899,825 SH   SOLE   622,025 0 277,800
Northern Trust Corporation COM 665859104 54,460 800,525 SH   SOLE   506,785 0 293,740
NuVasive, Inc. COM 670704105 63,371 1,817,360 SH   SOLE   1,257,335 0 560,025
Oasis Petroleum Inc. COM 674215108 13,897 332,390 SH   SOLE   210,100 0 122,290
Omnicell, Inc. COM 68213N109 28,666 1,048,875 SH   SOLE   727,075 0 321,800
Owens & Minor, Inc. COM 690732102 22,123 675,720 SH   SOLE   467,295 0 208,425
PROS Holdings, Inc. COM 74346Y103 41,000 1,626,980 SH   SOLE   1,125,930 0 501,050
Panera Bread Company Class A COM 69840W108 39,502 242,760 SH   SOLE   154,370 0 88,390
Parker-Hannifin Corporation COM 701094104 46,683 408,965 SH   SOLE   260,065 0 148,900
PepsiCo, Inc. COM 713448108 214 2,300 SH   SOLE   2,300 0 0
PetSmart, Inc. COM 716768106 44,986 641,825 SH   SOLE   406,810 0 235,015
Philip Morris International In COM 718172109 375 4,500 SH   SOLE   4,500 0 0
Post Holdings, Inc. COM 737446104 30,158 908,930 SH   SOLE   630,380 0 278,550
Prestige Brands Holdings, Inc. COM 74112D101 29,093 898,775 SH   SOLE   621,425 0 277,350
Prosperity Bancshares, Inc.(R) COM 743606105 78,889 1,379,910 SH   SOLE   915,800 0 464,110
QIAGEN NV COM N72482107 24,792 1,088,800 SH   SOLE   689,570 0 399,230
Qlik Technologies Inc. COM 74733T105 58,304 2,156,205 SH   SOLE   1,490,855 0 665,350
Qualys, Inc. COM 74758T303 54,198 2,037,510 SH   SOLE   1,411,160 0 626,350
RBC Bearings Incorporated COM 75524B104 30,939 545,655 SH   SOLE   378,255 0 167,400
Raven Industries, Inc. COM 754212108 44,352 1,817,725 SH   SOLE   1,257,075 0 560,650
RealPage, Inc. COM 75606N109 35,130 2,266,475 SH   SOLE   1,571,125 0 695,350
Red Hat, Inc. COM 756577102 53,978 961,325 SH   SOLE   610,325 0 351,000
Resolute Energy Corporation COM 76116A108 14,300 2,280,760 SH   SOLE   1,584,035 0 696,725
Ritchie Bros. Auctioneers Inco COM 767744105 38,093 1,701,335 SH   SOLE   1,246,935 0 454,400
Rockwell Automation, Inc. COM 773903109 26,828 244,155 SH   SOLE   154,685 0 89,470
SciQuest, Inc. COM 80908T101 2,490 165,555 SH   SOLE   111,580 0 53,975
Sensient Technologies Corporat COM 81725T100 59,035 1,127,690 SH   SOLE   780,090 0 347,600
Sirius XM Holdings, Inc. COM 82968B103 105 30,000 SH   SOLE   30,000 0 0
Sirona Dental Systems, Inc. COM 82966C103 52,606 686,040 SH   SOLE   437,110 0 248,930
Snyder's-Lance, Inc. COM 833551104 65,996 2,490,425 SH   SOLE   1,725,350 0 765,075
Solera Holdings, Inc. COM 83421A104 27,447 486,990 SH   SOLE   308,725 0 178,265
St. Jude Medical, Inc. COM 790849103 67,165 1,116,990 SH   SOLE   709,390 0 407,600
Standex International Corporat COM 854231107 33,612 453,355 SH   SOLE   314,075 0 139,280
STERIS Corporation COM 859152100 63,623 1,179,070 SH   SOLE   818,195 0 360,875
Suncor Energy Inc. COM 867224107 343 9,500 SH   SOLE   9,500 0 0
Teleflex Incorporated COM 879369106 24,839 236,475 SH   SOLE   151,215 0 85,260
Thermon Group Holdings, Inc. COM 88362T103 358 14,670 SH   SOLE   10,345 0 4,325
TreeHouse Foods, Inc. COM 89469A104 45,189 561,360 SH   SOLE   388,035 0 173,325
TriMas Corporation COM 896215209 66,388 2,728,655 SH   SOLE   1,893,280 0 835,375
UMB Financial Corporation COM 902788108 89,750 1,645,280 SH   SOLE   1,138,555 0 506,725
VCA Inc. COM 918194101 3,941 100,215 SH   SOLE   215 0 100,000
Verisk Analytics, Inc. Class A COM 92345Y106 59,077 970,220 SH   SOLE   614,805 0 355,415
Volcano Corporation COM 928645100 22,475 2,112,295 SH   SOLE   1,458,230 0 654,065
WEX Inc. COM 96208T104 98,023 888,535 SH   SOLE   595,065 0 293,470
WOODWARD, INC. COM 980745103 65,008 1,365,135 SH   SOLE   945,985 0 419,150
Washington Trust Bancorp, Inc. COM 940610108 29,795 903,150 SH   SOLE   622,500 0 280,650
West Pharmaceutical Services, COM 955306105 60,897 1,360,525 SH   SOLE   943,750 0 416,775
Willis Group Holdings Plc COM G96666105 45,058 1,088,360 SH   SOLE   692,650 0 395,710
Wolverine World Wide, Inc. COM 978097103 60,716 2,422,825 SH   SOLE   1,679,125 0 743,700
Xilinx, Inc. COM 983919101 40,853 964,650 SH   SOLE   613,080 0 351,570
Zimmer Holdings, Inc. COM 98956P102 36,909 367,075 SH   SOLE   232,345 0 134,730
Zoetis, Inc. Class A COM 98978V103 56,669 1,533,655 SH   SOLE   973,170 0 560,485
BP p.l.c. Sponsored ADR ADR 055622104 264 6,000 SH   SOLE   6,000 0 0
Credit Suisse Group AG Sponsor ADR 225401108 229 8,300 SH   SOLE   8,300 0 0
Diageo plc Sponsored ADR ADR 25243Q205 254 2,200 SH   SOLE   2,200 0 0
Sanofi Sponsored ADR ADR 80105N105 214 3,800 SH   SOLE   3,800 0 0