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
Estimated average burden
hours per response: 23.8
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
AMETEK, Inc. COM 031100100 3,833 74,450 SH   SOLE   52,150 0 22,300
Aceto Corporation COM 004446100 9,575 476,590 SH   SOLE   337,515 0 139,075
Actuant Corporation Class A COM 00508X203 117,296 3,434,740 SH   SOLE   2,436,190 0 998,550
Advance Auto Parts, Inc. COM 00751Y106 28,438 224,810 SH   SOLE   158,950 0 65,860
Allied World Assurance Company COM H01531104 100,869 977,505 SH   SOLE   690,080 0 287,425
Altera Corporation COM 021441100 49,807 1,374,545 SH   SOLE   974,720 0 399,825
American Vanguard Corporation COM 030371108 14,724 680,085 SH   SOLE   481,335 0 198,750
Approach Resources Inc. COM 03834A103 56,952 2,723,685 SH   SOLE   1,927,835 0 795,850
Aptargroup, Inc. COM 038336103 56,170 849,775 SH   SOLE   593,825 0 255,950
Arcos Dorados Holdings, Inc. C COM G0457F107 9,006 893,465 SH   SOLE   628,615 0 264,850
Argo Group International Holdi COM G0464B107 51,781 1,129,357 SH   SOLE   797,257 0 332,100
Arthur J. Gallagher & Co. COM 363576109 43,649 917,390 SH   SOLE   649,865 0 267,525
Aspen Insurance Holdings Limit COM G05384105 45,139 1,137,010 SH   SOLE   804,810 0 332,200
B&G Foods, Inc. COM 05508R106 41,096 1,364,875 SH   SOLE   966,450 0 398,425
BJ's Restaurants, Inc. COM 09180C106 44,551 1,361,985 SH   SOLE   963,510 0 398,475
Beam Inc. COM 073730103 15,203 182,505 SH   SOLE   130,280 0 52,225
Bed Bath & Beyond Inc. COM 075896100 52,004 755,865 SH   SOLE   535,990 0 219,875
Bio-Rad Laboratories, Inc. Cla COM 090572207 102,472 799,810 SH   SOLE   566,145 0 233,665
Blackbaud, Inc. COM 09227Q100 39,215 1,252,890 SH   SOLE   887,915 0 364,975
Bottomline Technologies (de), COM 101388106 64,228 1,827,265 SH   SOLE   1,289,015 0 538,250
Brady Corporation Class A COM 104674106 43,295 1,594,665 SH   SOLE   1,129,615 0 465,050
Bryn Mawr Bank Corporation COM 117665109 24,971 869,150 SH   SOLE   614,500 0 254,650
C. R. Bard, Inc. COM 067383109 45,720 308,960 SH   SOLE   218,110 0 90,850
CLARCOR Inc. COM 179895107 110,648 1,929,340 SH   SOLE   1,367,875 0 561,465
CST Brands, Inc. COM 12646R105 94,735 3,032,475 SH   SOLE   2,148,075 0 884,400
CVB Financial Corp. COM 126600105 36,286 2,282,130 SH   SOLE   1,613,830 0 668,300
Cantel Medical Corp. COM 138098108 4,900 145,300 SH   SOLE   104,895 0 40,405
Cardtronics, Inc. COM 14161H108 53,789 1,384,520 SH   SOLE   967,370 0 417,150
CareFusion Corporation COM 14170T101 51,644 1,284,030 SH   SOLE   911,380 0 372,650
Casey's General Stores, Inc. COM 147528103 62,556 925,525 SH   SOLE   655,800 0 269,725
Cepheid COM 15670R107 103,534 2,007,255 SH   SOLE   1,422,855 0 584,400
Church & Dwight Co., Inc. COM 171340102 12,117 175,435 SH   SOLE   122,685 0 52,750
Commerce Bancshares, Inc. COM 200525103 21,321 459,300 SH   SOLE   326,700 0 132,600
Community Bank System, Inc. COM 203607106 35,642 913,425 SH   SOLE   646,025 0 267,400
Cooper Companies, Inc. COM 216648402 21,786 158,605 SH   SOLE   111,670 0 46,935
Cullen/Frost Bankers, Inc. COM 229899109 42,200 544,300 SH   SOLE   386,525 0 157,775
Denbury Resources Inc. COM 247916208 49,912 3,043,425 SH   SOLE   2,157,425 0 886,000
Dover Corporation COM 260003108 51,623 631,470 SH   SOLE   451,395 0 180,075
E2open, Inc. COM 29788A104 10,961 465,025 SH   SOLE   332,025 0 133,000
Edwards Lifesciences Corporati COM 28176E108 42,249 569,625 SH   SOLE   408,275 0 161,350
Elizabeth Arden, Inc. COM 28660G106 30,190 1,023,050 SH   SOLE   724,360 0 298,690
EnPro Industries, Inc. COM 29355X107 66,014 908,405 SH   SOLE   643,205 0 265,200
Endurance Specialty Holdings L COM G30397106 110,509 2,052,920 SH   SOLE   1,451,470 0 601,450
Energizer Holdings, Inc. COM 29266R108 32,991 327,490 SH   SOLE   237,300 0 90,190
Esterline Technologies Corpora COM 297425100 97,680 916,840 SH   SOLE   648,290 0 268,550
Express Scripts Holding Compan COM 30219G108 270 3,600 SH   SOLE   3,600 0 0
FleetMatics Group Ltd. COM G35569105 34,260 1,024,210 SH   SOLE   725,560 0 298,650
Flotek Industries, Inc. COM 343389102 19,175 688,525 SH   SOLE   486,475 0 202,050
Forum Energy Technologies, Inc COM 34984V100 81,036 2,615,750 SH   SOLE   1,857,575 0 758,175
Frank's International NV COM N33462107 22,660 914,450 SH   SOLE   647,400 0 267,050
Fresh Market, Inc. COM 35804H106 61,140 1,819,650 SH   SOLE   1,288,600 0 531,050
Genomic Health, Inc. COM 37244C101 32,949 1,250,910 SH   SOLE   886,010 0 364,900
Globus Medical, Inc. Class A COM 379577208 42,208 1,587,345 SH   SOLE   1,122,345 0 465,000
H.B. Fuller Company COM 359694106 19,035 394,260 SH   SOLE   280,185 0 114,075
Haemonetics Corporation COM 405024100 37,077 1,137,670 SH   SOLE   805,420 0 332,250
Hub Group, Inc. Class A COM 443320106 36,597 915,155 SH   SOLE   644,505 0 270,650
ICU Medical, Inc. COM 44930G107 40,659 679,000 SH   SOLE   480,100 0 198,900
IDEX Corporation COM 45167R104 10,815 148,375 SH   SOLE   105,425 0 42,950
IHS Inc. Class A COM 451734107 26,021 214,165 SH   SOLE   151,465 0 62,700
Independent Bank Corp. COM 453836108 19,389 492,485 SH   SOLE   358,810 0 133,675
Informatica Corporation COM 45666Q102 39,262 1,039,235 SH   SOLE   742,385 0 296,850
Innospec Inc. COM 45768S105 22,400 495,240 SH   SOLE   349,340 0 145,900
Integra LifeSciences Holdings COM 457985208 63,292 1,376,215 SH   SOLE   977,715 0 398,500
Intuit Inc. COM 461202103 58,728 755,540 SH   SOLE   535,415 0 220,125
John Wiley & Sons, Inc. Class COM 968223206 90,558 1,571,105 SH   SOLE   1,134,980 0 436,125
Kellogg Company COM 487836108 39,363 627,700 SH   SOLE   447,025 0 180,675
Lancaster Colony Corporation COM 513847103 67,619 680,135 SH   SOLE   480,710 0 199,425
Landstar System, Inc. COM 515098101 54,786 925,130 SH   SOLE   658,405 0 266,725
LogMeIn, Inc. COM 54142L109 71,123 1,584,375 SH   SOLE   1,119,550 0 464,825
Luminex Corporation COM 55027E102 33,183 1,832,280 SH   SOLE   1,300,555 0 531,725
MICROS Systems, Inc. COM 594901100 32,554 615,030 SH   SOLE   435,005 0 180,025
Masimo Corporation COM 574795100 62,064 2,272,575 SH   SOLE   1,609,000 0 663,575
McCormick & Company, Incorpora COM 579780206 22,211 309,600 SH   SOLE   221,500 0 88,100
Mead Johnson Nutrition Company COM 582839106 17,484 210,290 SH   SOLE   149,590 0 60,700
Measurement Specialties, Inc. COM 583421102 54,850 808,405 SH   SOLE   574,780 0 233,625
Mistras Group, Inc. COM 60649T107 21,198 930,965 SH   SOLE   658,790 0 272,175
Molson Coors Brewing Company C COM 60871R209 40,100 681,270 SH   SOLE   481,870 0 199,400
NBT Bancorp Inc. COM 628778102 16,834 688,220 SH   SOLE   488,595 0 199,625
National Oilwell Varco, Inc. COM 637071101 257 3,300 SH   SOLE   3,300 0 0
Northern Oil and Gas, Inc. COM 665531109 19,448 1,330,260 SH   SOLE   957,085 0 373,175
Northern Trust Corporation COM 665859104 64,912 990,110 SH   SOLE   701,760 0 288,350
NuVasive, Inc. COM 670704105 70,527 1,836,150 SH   SOLE   1,300,025 0 536,125
Oasis Petroleum Inc. COM 674215108 12,510 299,780 SH   SOLE   212,530 0 87,250
Omnicell, Inc. COM 68213N109 22,888 799,720 SH   SOLE   566,695 0 233,025
Owens & Minor, Inc. COM 690732102 16,335 466,320 SH   SOLE   333,095 0 133,225
PROS Holdings, Inc. COM 74346Y103 35,836 1,137,290 SH   SOLE   805,040 0 332,250
Parker-Hannifin Corporation COM 701094104 55,380 462,615 SH   SOLE   329,315 0 133,300
Pentair Ltd. COM H6169Q108 11,924 150,290 SH   SOLE   106,615 0 43,675
PetSmart, Inc. COM 716768106 42,158 611,790 SH   SOLE   435,465 0 176,325
Philip Morris International In COM 718172109 270 3,300 SH   SOLE   3,300 0 0
Post Holdings, Inc. COM 737446104 37,570 681,610 SH   SOLE   481,835 0 199,775
Prestige Brands Holdings, Inc. COM 74112D101 24,797 909,985 SH   SOLE   644,235 0 265,750
Prosperity Bancshares, Inc.(R) COM 743606105 85,659 1,294,925 SH   SOLE   918,715 0 376,210
QIAGEN NV COM N72482107 22,393 1,061,790 SH   SOLE   753,240 0 308,550
Qlik Technologies Inc. COM 74733T105 57,915 2,178,065 SH   SOLE   1,546,715 0 631,350
Qualys, Inc. COM 74758T303 46,722 1,837,270 SH   SOLE   1,302,495 0 534,775
RBC Bearings Incorporated COM 75524B104 29,953 470,225 SH   SOLE   331,675 0 138,550
Raven Industries, Inc. COM 754212108 52,066 1,589,800 SH   SOLE   1,125,025 0 464,775
RealPage, Inc. COM 75606N109 49,846 2,744,800 SH   SOLE   1,947,275 0 797,525
Red Hat, Inc. COM 756577102 43,969 829,910 SH   SOLE   589,535 0 240,375
Resolute Energy Corporation COM 76116A108 24,618 3,419,160 SH   SOLE   2,423,935 0 995,225
Ritchie Bros. Auctioneers Inco COM 767744105 51,870 2,149,600 SH   SOLE   1,611,425 0 538,175
Rockwell Automation, Inc. COM 773903109 37,683 302,555 SH   SOLE   214,505 0 88,050
STERIS Corporation COM 859152100 54,983 1,151,470 SH   SOLE   817,020 0 334,450
SciQuest, Inc. COM 80908T101 13,302 492,390 SH   SOLE   347,615 0 144,775
Sensient Technologies Corporat COM 81725T100 103,256 1,830,460 SH   SOLE   1,298,785 0 531,675
Sigma-Aldrich Corporation COM 826552101 20,742 222,130 SH   SOLE   155,980 0 66,150
Sirona Dental Systems, Inc. COM 82966C103 45,935 615,175 SH   SOLE   435,900 0 179,275
Snyder's-Lance, Inc. COM 833551104 52,721 1,870,195 SH   SOLE   1,321,570 0 548,625
SolarWinds, Inc. COM 83416B109 12,497 293,140 SH   SOLE   206,940 0 86,200
Solera Holdings, Inc. COM 83421A104 29,480 465,430 SH   SOLE   330,880 0 134,550
St. Jude Medical, Inc. COM 790849103 49,551 757,780 SH   SOLE   536,830 0 220,950
Standex International Corporat COM 854231107 28,238 527,020 SH   SOLE   374,290 0 152,730
Suncor Energy Inc. COM 867224107 276 7,900 SH   SOLE   7,900 0 0
TIBCO Software Inc. COM 88632Q103 38,927 1,915,705 SH   SOLE   1,364,905 0 550,800
Teleflex Incorporated COM 879369106 39,278 366,260 SH   SOLE   260,075 0 106,185
The Advisory Board Company COM 00762W107 360 5,610 SH   SOLE   5,610 0 0
The Clorox Company COM 189054109 27,616 313,780 SH   SOLE   223,320 0 90,460
The J. M. Smucker Company COM 832696405 48,413 497,870 SH   SOLE   354,845 0 143,025
The Navigators Group, Inc. COM 638904102 28,352 461,840 SH   SOLE   323,215 0 138,625
Thermon Group Holdings, Inc. COM 88362T103 338 14,590 SH   SOLE   10,265 0 4,325
TreeHouse Foods, Inc. COM 89469A104 85,826 1,192,195 SH   SOLE   844,270 0 347,925
TriMas Corporation COM 896215209 76,784 2,312,770 SH   SOLE   1,633,770 0 679,000
UMB Financial Corporation COM 902788108 103,611 1,601,405 SH   SOLE   1,134,930 0 466,475
VCA Antech, Inc. COM 918194101 32,804 1,017,815 SH   SOLE   719,165 0 298,650
Volcano Corporation COM 928645100 44,847 2,275,365 SH   SOLE   1,611,100 0 664,265
WEX Inc. COM 96208T104 74,375 782,485 SH   SOLE   549,800 0 232,685
WOODWARD, INC. COM 980745103 57,315 1,380,095 SH   SOLE   980,445 0 399,650
Washington Trust Bancorp, Inc. COM 940610108 32,585 869,635 SH   SOLE   614,710 0 254,925
West Pharmaceutical Services, COM 955306105 29,978 680,555 SH   SOLE   480,930 0 199,625
Whiting Petroleum Corporation COM 966387102 31,351 451,810 SH   SOLE   319,885 0 131,925
Willis Group Holdings Plc COM G96666105 48,211 1,092,485 SH   SOLE   779,335 0 313,150
Wolverine World Wide, Inc. COM 978097103 29,525 1,034,140 SH   SOLE   726,965 0 307,175
Xilinx, Inc. COM 983919101 49,747 916,655 SH   SOLE   648,805 0 267,850
Zimmer Holdings, Inc. COM 98956P102 28,814 304,650 SH   SOLE   215,675 0 88,975
Zoetis, Inc. Class A COM 98978V103 43,690 1,509,665 SH   SOLE   1,071,390 0 438,275
NICE Systems Ltd. Sponsored AD ADR 653656108 37,796 846,300 SH   SOLE   631,150 0 215,150