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
Actuant Corp. (Cl A) COM 00508X203 132,890 3,421,475 SH   SOLE   2,466,865 0 954,610
Advance Auto Parts Inc. COM 00751Y106 36,396 440,200 SH   SOLE   323,625 0 116,575
Advisory Board Co. COM 00762W107 357 6,010 SH   SOLE   5,740 0 270
Allied World Assurance Company COM H01531104 106,140 1,067,915 SH   SOLE   764,185 0 303,730
Altera Corp. COM 021441100 43,043 1,158,320 SH   SOLE   849,870 0 308,450
AmTrust Financial Services Inc COM 032359309 19,003 487,205 SH   SOLE   340,618 0 146,587
Ametek Inc. COM 031100100 9,996 217,200 SH   SOLE   158,925 0 58,275
Approach Resources Inc. COM 03834A103 60,049 2,284,975 SH   SOLE   1,706,895 0 578,080
AptarGroup Inc. COM 038336103 89,157 1,482,745 SH   SOLE   1,060,670 0 422,075
Arcos Dorados Holdings Inc. (C COM G0457F107 8,969 756,840 SH   SOLE   615,090 0 141,750
Argo Group International Holdi COM G0464B107 51,331 1,196,600 SH   SOLE   857,133 0 339,467
Arthur J. Gallagher & Co. COM 363576109 37,763 865,140 SH   SOLE   634,215 0 230,925
Aspen Insurance Holdings COM G05384105 52,278 1,440,560 SH   SOLE   1,033,200 0 407,360
BJ's Restaurants Inc. COM 09180C106 20,413 711,990 SH   SOLE   505,635 0 206,355
Beam Inc COM 073730103 23,453 362,765 SH   SOLE   265,665 0 97,100
Bed Bath & Beyond Inc. COM 075896100 31,382 405,660 SH   SOLE   298,435 0 107,225
Bio-Rad Laboratories Inc. (Cl COM 090572207 92,182 784,130 SH   SOLE   564,750 0 219,380
Bottomline Technologies Inc. COM 101388106 53,425 1,916,240 SH   SOLE   1,373,525 0 542,715
Brady Corp. (Cl A) COM 104674106 36,512 1,197,110 SH   SOLE   849,170 0 347,940
Bryn Mawr Bank Corp. COM 117665109 23,171 859,135 SH   SOLE   614,850 0 244,285
C.R. Bard Inc. COM 067383109 33,147 287,735 SH   SOLE   210,625 0 77,110
CLARCOR Inc. COM 179895107 79,250 1,427,150 SH   SOLE   1,024,205 0 402,945
CST Brands Inc. COM 12646R105 94,653 3,176,285 SH   SOLE   2,287,170 0 889,115
CVB Financial Corp. COM 126600105 20,909 1,546,545 SH   SOLE   1,101,170 0 445,375
Cardtronics Inc. COM 14161H108 71,646 1,930,650 SH   SOLE   1,362,085 0 568,565
CareFusion Corp. COM 14170T101 42,359 1,147,950 SH   SOLE   841,925 0 306,025
Casey's General Stores Inc. COM 147528103 79,129 1,078,205 SH   SOLE   772,960 0 305,245
Cepheid COM 15670R107 84,926 2,175,365 SH   SOLE   1,572,355 0 603,010
Church & Dwight Co. COM 171340102 9,364 155,935 SH   SOLE   112,685 0 43,250
Clorox Co. COM 189054109 23,864 292,020 SH   SOLE   213,795 0 78,225
Community Bank System Inc. COM 203607106 32,626 956,210 SH   SOLE   685,140 0 271,070
Concho Resources Inc. COM 20605P101 31,668 291,035 SH   SOLE   212,610 0 78,425
Cullen/Frost Bankers Inc. COM 229899109 25,310 358,755 SH   SOLE   262,730 0 96,025
Denbury Resources Inc. COM 247916208 43,097 2,340,975 SH   SOLE   1,717,025 0 623,950
Dover Corp. COM 260003108 49,243 548,175 SH   SOLE   401,450 0 146,725
Edwards Lifesciences Corp. COM 28176E108 21,926 314,890 SH   SOLE   231,515 0 83,375
Elizabeth Arden Inc. COM 28660G106 33,409 904,915 SH   SOLE   683,880 0 221,035
EnPro Industries Inc. COM 29355X107 56,844 944,095 SH   SOLE   673,050 0 271,045
Endurance Specialty Holdings L COM G30397106 85,790 1,596,985 SH   SOLE   1,145,925 0 451,060
Energizer Holdings Inc. COM 29266R108 19,693 216,050 SH   SOLE   158,600 0 57,450
Esterline Technologies Corp. COM 297425100 71,562 895,755 SH   SOLE   642,405 0 253,350
FleetMatics Group PLC COM G35569105 13,453 358,270 SH   SOLE   256,255 0 102,015
Flotek Industries Inc. COM 343389102 13,987 608,140 SH   SOLE   437,210 0 170,930
Forum Energy Technologies Inc. COM 34984V100 27,214 1,007,565 SH   SOLE   717,905 0 289,660
Frank's International N.V. COM N33462107 9,269 309,700 SH   SOLE   227,325 0 82,375
Fresh Market Inc. COM 35804H106 24,823 524,690 SH   SOLE   372,570 0 152,120
Genomic Health Inc. COM 37244C101 32,899 1,075,845 SH   SOLE   770,450 0 305,395
Globus Medical Inc. (Cl A) COM 379577208 17,514 1,003,070 SH   SOLE   717,725 0 285,345
Guidewire Software Inc. COM 40171V100 57,362 1,217,610 SH   SOLE   848,315 0 369,295
Haemonetics Corp. COM 405024100 43,001 1,078,265 SH   SOLE   765,325 0 312,940
Harris Teeter Supermarkets Inc COM 414585109 80,515 1,636,820 SH   SOLE   1,162,420 0 474,400
Hub Group Inc. (Cl A) COM 443320106 37,809 963,780 SH   SOLE   686,785 0 276,995
IDEX Corp. COM 45167R104 78,604 1,204,660 SH   SOLE   870,730 0 333,930
IHS Inc. (Cl A) COM 451734107 23,204 203,220 SH   SOLE   148,820 0 54,400
Illumina Inc. COM 452327109 17,703 219,015 SH   SOLE   158,640 0 60,375
Independent Bank Corp. COM 453836108 17,619 493,540 SH   SOLE   357,005 0 136,535
Informatica Corp. COM 45666Q102 8,174 209,750 SH   SOLE   154,050 0 55,700
Integra LifeSciences Holdings COM 457985208 58,033 1,441,825 SH   SOLE   1,034,540 0 407,285
Intuit Inc. COM 461202103 55,236 833,000 SH   SOLE   610,475 0 222,525
J.M. Smucker Co. COM 832696405 974 9,275 SH   SOLE   8,525 0 750
John Wiley & Sons Inc. (Cl A) COM 968223206 76,067 1,595,035 SH   SOLE   1,162,440 0 432,595
Kaydon Corp. COM 486587108 25,940 730,300 SH   SOLE   525,970 0 204,330
Kellogg Co. COM 487836108 16,997 289,415 SH   SOLE   211,765 0 77,650
Key Energy Services Inc. COM 492914106 16,509 2,264,660 SH   SOLE   1,734,710 0 529,950
Kodiak Oil & Gas Corp. COM 50015Q100 11,608 962,505 SH   SOLE   690,405 0 272,100
Lancaster Colony Corp. COM 513847103 60,031 766,775 SH   SOLE   548,900 0 217,875
Landstar System Inc. COM 515098101 40,210 718,300 SH   SOLE   514,420 0 203,880
LogMeIn Inc. COM 54142L109 43,363 1,396,555 SH   SOLE   999,505 0 397,050
Luminex Corp. COM 55027E102 33,666 1,683,315 SH   SOLE   1,199,765 0 483,550
MICROS Systems Inc. COM 594901100 46,643 933,980 SH   SOLE   684,830 0 249,150
Masimo Corp. COM 574795100 57,623 2,163,015 SH   SOLE   1,549,850 0 613,165
Mead Johnson Nutrition Co. COM 582839106 14,106 189,955 SH   SOLE   138,880 0 51,075
Measurement Specialties Inc. COM 583421102 45,705 842,650 SH   SOLE   605,570 0 237,080
Mistras Group Inc. COM 60649T107 15,681 922,430 SH   SOLE   699,585 0 222,845
Molson Coors Brewing Co. (Cl B COM 60871R209 30,771 613,825 SH   SOLE   448,600 0 165,225
National Instruments Corp. COM 636518102 77,693 2,511,894 SH   SOLE   1,814,169 0 697,725
Navigators Group Inc. COM 638904102 34,446 596,260 SH   SOLE   427,210 0 169,050
Northern Oil and Gas Inc. COM 665531109 25,924 1,796,505 SH   SOLE   1,377,590 0 418,915
Northern Trust Corp. COM 665859104 38,891 715,175 SH   SOLE   525,025 0 190,150
NuVasive Inc. COM 670704105 47,006 1,919,380 SH   SOLE   1,375,880 0 543,500
Omnicell Inc. COM 68213N109 2,832 119,610 SH   SOLE   82,835 0 36,775
Owens & Minor Inc. COM 690732102 17,054 493,030 SH   SOLE   356,720 0 136,310
Pall Corp. COM 696429307 10,615 137,790 SH   SOLE   100,045 0 37,745
Parker Hannifin Corp. COM 701094104 51,191 470,850 SH   SOLE   345,500 0 125,350
Pentair Ltd. COM H6169Q108 18,746 288,660 SH   SOLE   211,310 0 77,350
PetSmart Inc. COM 716768106 24,421 320,230 SH   SOLE   234,580 0 85,650
Pros Holdings Inc. COM 74346Y103 24,918 728,810 SH   SOLE   512,430 0 216,380
Prosperity Bancshares Inc COM 743606105 71,345 1,153,705 SH   SOLE   833,950 0 319,755
Proto Labs Inc. COM 743713109 5,505 72,060 SH   SOLE   46,145 0 25,915
Qiagen N.V. COM N72482107 17,528 819,085 SH   SOLE   599,685 0 219,400
Qlik Technologies Inc. COM 74733T105 40,749 1,190,450 SH   SOLE   850,980 0 339,470
Qualys Inc. COM 74758T303 1,945 90,935 SH   SOLE   64,410 0 26,525
RBC Bearings Inc. COM 75524B104 33,453 507,705 SH   SOLE   345,115 0 162,590
Raven Industries Inc. COM 754212108 62,661 1,915,660 SH   SOLE   1,373,195 0 542,465
RealPage Inc. COM 75606N109 63,547 2,749,760 SH   SOLE   1,967,595 0 782,165
Red Hat Inc. COM 756577102 29,656 642,730 SH   SOLE   470,455 0 172,275
Resolute Energy Corp. COM 76116A108 27,768 3,321,520 SH   SOLE   2,567,405 0 754,115
Ritchie Bros. Auctioneers Inc. COM 767744105 35,693 1,768,710 SH   SOLE   1,335,090 0 433,620
Rockwell Automation Inc. COM 773903109 30,738 287,435 SH   SOLE   210,395 0 77,040
STERIS Corp. COM 859152100 51,549 1,199,940 SH   SOLE   860,770 0 339,170
SVB Financial Group COM 78486Q101 9,790 113,350 SH   SOLE   83,500 0 29,850
Sensient Technologies Corp. COM 81725T100 91,897 1,918,920 SH   SOLE   1,376,620 0 542,300
Sigma-Aldrich Corp. COM 826552101 17,727 207,825 SH   SOLE   150,450 0 57,375
Silgan Holdings Inc COM 827048109 45,582 969,830 SH   SOLE   696,125 0 273,705
Snyders-Lance Inc. COM 833551104 48,451 1,680,580 SH   SOLE   1,205,945 0 474,635
SolarWinds Inc COM 83416B109 14,825 422,855 SH   SOLE   324,155 0 98,700
Solera Holdings Inc. COM 83421A104 33,007 624,310 SH   SOLE   457,085 0 167,225
St. Jude Medical Inc. COM 790849103 47,131 878,655 SH   SOLE   643,555 0 235,100
Standex International Corp. COM 854231107 14,167 238,510 SH   SOLE   170,630 0 67,880
T. Rowe Price Group Inc. COM 74144T108 18,477 256,880 SH   SOLE   189,130 0 67,750
TECHNE Corp. COM 878377100 19,741 246,575 SH   SOLE   171,130 0 75,445
TETRA Technologies Inc. COM 88162F105 30,326 2,420,275 SH   SOLE   1,726,135 0 694,140
TIBCO Software Inc. COM 88632Q103 35,670 1,393,915 SH   SOLE   1,020,290 0 373,625
Teleflex Inc. COM 879369106 72,803 884,820 SH   SOLE   634,570 0 250,250
The ADT Corp. COM 00101J106 26,313 647,150 SH   SOLE   475,150 0 172,000
TreeHouse Foods Inc COM 89469A104 80,164 1,199,520 SH   SOLE   860,550 0 338,970
TriMas Corp. COM 896215209 88,848 2,381,355 SH   SOLE   1,703,025 0 678,330
Tupperware Brands Corp. COM 899896104 16,183 187,365 SH   SOLE   137,015 0 50,350
UMB Financial Corp. COM 902788108 90,810 1,671,150 SH   SOLE   1,196,125 0 475,025
UTi Worldwide Inc. COM G87210103 3,053 202,070 SH   SOLE   139,930 0 62,140
VCA Antech Inc. COM 918194101 32,848 1,196,200 SH   SOLE   856,630 0 339,570
Volcano Corp. COM 928645100 58,918 2,460,030 SH   SOLE   1,815,600 0 644,430
WEX Inc. COM 96208T104 72,520 826,440 SH   SOLE   594,905 0 231,535
Washington Trust Bancorp Inc. COM 940610108 27,288 868,210 SH   SOLE   623,655 0 244,555
West Pharmaceutical Services I COM 955306105 61,443 1,493,150 SH   SOLE   1,064,430 0 428,720
Whiting Petroleum Corp. COM 966387102 45,842 765,950 SH   SOLE   560,450 0 205,500
Willis Group Holdings PLC COM G96666105 43,792 1,010,660 SH   SOLE   740,035 0 270,625
Wolverine World Wide Inc. COM 978097103 55,266 949,095 SH   SOLE   677,550 0 271,545
Woodward Inc. COM 980745103 39,526 968,055 SH   SOLE   681,960 0 286,095
Zimmer Holdings Inc. COM 98956P102 22,999 280,000 SH   SOLE   204,125 0 75,875
Zoetis Inc. (Cl A) COM 98978V103 27,287 876,845 SH   SOLE   643,445 0 233,400
NICE-Systems Ltd. ADS ADR 653656108 37,392 903,840 SH   SOLE   681,845 0 221,995