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
ABM Industries Inc. COM 000957100 26,493 1,191,215 SH   SOLE   851,125 0 340,090
Actuant Corp. (Cl A) COM 00508X203 75,108 2,452,910 SH   SOLE   1,766,115 0 686,795
Advance Auto Parts Inc. COM 00751Y106 24,083 291,385 SH   SOLE   214,635 0 76,750
Advent Software Inc. COM 007974108 26,689 954,195 SH   SOLE   682,170 0 272,025
Advisory Board Co. COM 00762W107 342 6,510 SH   SOLE   6,180 0 330
Allied World Assurance Company COM H01531104 119,135 1,284,885 SH   SOLE   923,565 0 361,320
Altera Corp. COM 021441100 27,937 787,835 SH   SOLE   579,935 0 207,900
Alterra Capital Holdings Ltd. COM G0229R108 22,743 722,230 SH   SOLE   517,330 0 204,900
AmTrust Financial Services Inc COM 032359309 31,565 910,970 SH   SOLE   651,900 0 259,070
Ametek Inc. COM 031100100 9,299 214,450 SH   SOLE   158,025 0 56,425
Ansys Inc. COM 03662Q105 15,446 189,705 SH   SOLE   138,805 0 50,900
Approach Resources Inc. COM 03834A103 46,876 1,904,770 SH   SOLE   1,360,735 0 544,035
AptarGroup Inc. COM 038336103 71,743 1,250,965 SH   SOLE   896,655 0 354,310
Arcos Dorados Holdings Inc. (C COM G0457F107 10,801 818,265 SH   SOLE   601,715 0 216,550
Argo Group International Holdi COM G0464B107 41,579 1,004,815 SH   SOLE   719,150 0 285,665
Arthur J. Gallagher & Co. COM 363576109 31,934 773,025 SH   SOLE   570,450 0 202,575
Aspen Insurance Holdings COM G05384105 50,924 1,319,960 SH   SOLE   944,640 0 375,320
Avon Products Inc. COM 054303102 14,881 717,855 SH   SOLE   527,255 0 190,600
Beam Inc COM 073730103 14,899 234,480 SH   SOLE   172,880 0 61,600
Bed Bath & Beyond Inc. COM 075896100 32,835 509,700 SH   SOLE   375,900 0 133,800
Bio-Rad Laboratories Inc. (Cl COM 090572207 91,569 726,735 SH   SOLE   526,070 0 200,665
Bio-Reference Laboratories, In COM 09057G602 18,937 728,910 SH   SOLE   521,050 0 207,860
Bottomline Technologies Inc. COM 101388106 40,762 1,429,735 SH   SOLE   1,022,175 0 407,560
Brady Corp. (Cl A) COM 104674106 24,365 726,650 SH   SOLE   519,330 0 207,320
Bryn Mawr Bank Corp. COM 117665109 16,554 711,095 SH   SOLE   506,790 0 204,305
C.R. Bard Inc. COM 067383109 28,574 283,525 SH   SOLE   209,500 0 74,025
CLARCOR Inc. COM 179895107 62,207 1,187,610 SH   SOLE   847,520 0 340,090
Cardtronics Inc. COM 14161H108 36,648 1,334,585 SH   SOLE   953,300 0 381,285
CareFusion Corp. COM 14170T101 38,541 1,101,475 SH   SOLE   809,025 0 292,450
Casey's General Stores Inc. COM 147528103 45,313 777,235 SH   SOLE   555,455 0 221,780
Cepheid COM 15670R107 42,054 1,096,000 SH   SOLE   793,410 0 302,590
Check Point Software Technolog COM M22465104 22,926 487,900 SH   SOLE   361,000 0 126,900
Church & Dwight Co. COM 171340102 9,629 148,985 SH   SOLE   107,985 0 41,000
Clorox Co. COM 189054109 31,815 359,375 SH   SOLE   264,425 0 94,950
CoStar Group Inc. COM 22160N109 12,986 118,640 SH   SOLE   82,485 0 36,155
Community Bank System Inc. COM 203607106 26,156 882,745 SH   SOLE   631,230 0 251,515
Concho Resources Inc. COM 20605P101 14,020 143,900 SH   SOLE   105,650 0 38,250
Concur Technologies Inc. COM 206708109 7,988 116,345 SH   SOLE   85,470 0 30,875
Cullen/Frost Bankers Inc. COM 229899109 12,347 197,455 SH   SOLE   145,655 0 51,800
Denbury Resources Inc. COM 247916208 36,814 1,973,915 SH   SOLE   1,454,215 0 519,700
Dover Corp. COM 260003108 39,361 540,075 SH   SOLE   398,425 0 141,650
Elizabeth Arden Inc. COM 28660G106 38,310 951,805 SH   SOLE   679,815 0 271,990
EnPro Industries Inc. COM 29355X107 60,676 1,185,765 SH   SOLE   845,675 0 340,090
Endurance Specialty Holdings L COM G30397106 60,296 1,261,160 SH   SOLE   906,540 0 354,620
Energizer Holdings Inc. COM 29266R108 31,712 317,980 SH   SOLE   233,705 0 84,275
Esterline Technologies Corp. COM 297425100 65,230 861,690 SH   SOLE   622,540 0 239,150
FARO Technologies Inc. COM 311642102 21,226 489,190 SH   SOLE   352,460 0 136,730
First Republic Bank COM 33616C100 13,161 340,775 SH   SOLE   251,050 0 89,725
Flotek Industries Inc. COM 343389102 7,388 451,890 SH   SOLE   323,130 0 128,760
Genomic Health Inc. COM 37244C101 23,917 845,720 SH   SOLE   600,135 0 245,585
Guidewire Software Inc. COM 40171V100 45,298 1,178,420 SH   SOLE   846,795 0 331,625
H.J. Heinz Co. COM 423074103 30,564 422,915 SH   SOLE   311,490 0 111,425
Harris Teeter Supermarkets Inc COM 414585109 71,402 1,671,780 SH   SOLE   1,195,555 0 476,225
Hormel Foods Corp. COM 440452100 10,993 266,040 SH   SOLE   196,190 0 69,850
Hub Group Inc. (Cl A) COM 443320106 27,839 723,845 SH   SOLE   518,890 0 204,955
IDEX Corp. COM 45167R104 76,825 1,438,130 SH   SOLE   1,039,760 0 398,370
IHS Inc. (Cl A) COM 451734107 17,706 169,080 SH   SOLE   125,330 0 43,750
Illumina Inc. COM 452327109 23,933 443,365 SH   SOLE   325,265 0 118,100
Independent Bank Corp. COM 453836108 15,860 486,640 SH   SOLE   349,600 0 137,040
Integra LifeSciences Holdings COM 457985208 51,430 1,318,385 SH   SOLE   943,915 0 374,470
Intuit Inc. COM 461202103 35,150 535,340 SH   SOLE   395,390 0 139,950
J.M. Smucker Co. COM 832696405 340 3,425 SH   SOLE   3,425 0 0
Jack Henry & Associates Inc. COM 426281101 55,932 1,210,395 SH   SOLE   872,825 0 337,570
John Wiley & Sons Inc. (Cl A) COM 968223206 63,492 1,629,670 SH   SOLE   1,168,645 0 461,025
K12 Inc. COM 48273U102 27,332 1,133,655 SH   SOLE   811,325 0 322,330
Kaydon Corp. COM 486587108 18,678 730,195 SH   SOLE   525,155 0 205,040
Kellogg Co. COM 487836108 27,554 427,660 SH   SOLE   312,285 0 115,375
Key Energy Services Inc. COM 492914106 19,320 2,391,150 SH   SOLE   1,710,270 0 680,880
Laboratory Corp. of America Ho COM 50540R409 30,304 335,960 SH   SOLE   248,585 0 87,375
Lancaster Colony Corp. COM 513847103 55,571 721,695 SH   SOLE   517,340 0 204,355
Landstar System Inc. COM 515098101 27,525 482,140 SH   SOLE   345,450 0 136,690
Life Technologies Corp. COM 53217V109 27,533 426,010 SH   SOLE   312,885 0 113,125
LogMeIn Inc. COM 54142L109 18,574 966,385 SH   SOLE   687,360 0 279,025
Lufkin Industries Inc. COM 549764108 71,784 1,081,240 SH   SOLE   775,145 0 306,095
Luminex Corp. COM 55027E102 27,735 1,678,865 SH   SOLE   1,199,350 0 479,515
MarketAxess Holdings Inc. COM 57060D108 18,186 487,570 SH   SOLE   347,465 0 140,105
Masimo Corp. COM 574795100 42,422 2,162,185 SH   SOLE   1,546,725 0 615,460
Mead Johnson Nutrition Co. COM 582839106 14,523 187,510 SH   SOLE   138,960 0 48,550
Measurement Specialties Inc. COM 583421102 33,263 836,390 SH   SOLE   598,510 0 237,880
Medidata Solutions Inc. COM 58471A105 17,039 293,870 SH   SOLE   201,845 0 92,025
Micros Systems Inc. COM 594901100 33,099 727,280 SH   SOLE   536,630 0 190,650
Mistras Group Inc. COM 60649T107 23,452 968,690 SH   SOLE   695,715 0 272,975
Molson Coors Brewing Co. (Cl B COM 60871R209 27,822 568,600 SH   SOLE   419,300 0 149,300
Morningstar Inc. COM 617700109 48,775 697,580 SH   SOLE   501,820 0 195,760
National Instruments Corp. COM 636518102 76,662 2,340,824 SH   SOLE   1,686,954 0 653,870
Navigators Group Inc. COM 638904102 34,878 593,670 SH   SOLE   424,055 0 169,615
Northern Oil and Gas Inc. COM 665531109 24,008 1,669,515 SH   SOLE   1,193,660 0 475,855
Northern Trust Corp. COM 665859104 37,457 686,550 SH   SOLE   505,700 0 180,850
NuVasive Inc. COM 670704105 40,785 1,913,890 SH   SOLE   1,369,695 0 544,195
Oil States International Inc. COM 678026105 18,908 231,805 SH   SOLE   170,380 0 61,425
Owens & Minor Inc. COM 690732102 15,832 486,240 SH   SOLE   349,210 0 137,030
PDC Energy Inc. COM 69327R101 6,439 129,890 SH   SOLE   85,435 0 44,455
Pall Corp. COM 696429307 7,938 116,105 SH   SOLE   84,695 0 31,410
Parker Hannifin Corp. COM 701094104 36,602 399,675 SH   SOLE   294,500 0 105,175
Pentair Ltd. COM H6169Q108 15,475 293,370 SH   SOLE   214,295 0 79,075
Perrigo Co. COM 714290103 8,993 75,735 SH   SOLE   55,335 0 20,400
Pioneer Natural Resources Co. COM 723787107 10,777 86,740 SH   SOLE   63,740 0 23,000
Pros Holdings Inc. COM 74346Y103 20,520 755,240 SH   SOLE   513,000 0 242,240
Prosperity Bancshares Inc COM 743606105 42,264 891,835 SH   SOLE   644,180 0 247,655
Proto Labs Inc. COM 743713109 34,266 697,885 SH   SOLE   498,135 0 199,750
Qiagen N.V. COM N72482107 14,683 696,550 SH   SOLE   517,750 0 178,800
Qlik Technologies Inc. COM 74733T105 37,842 1,465,060 SH   SOLE   1,026,900 0 438,160
Quality Systems Inc. COM 747582104 38,622 2,113,930 SH   SOLE   1,525,790 0 588,140
RBC Bearings Inc. COM 75524B104 12,145 240,210 SH   SOLE   171,925 0 68,285
Raven Industries Inc. COM 754212108 62,976 1,873,715 SH   SOLE   1,340,045 0 533,670
RealPage Inc. COM 75606N109 40,270 1,944,470 SH   SOLE   1,387,995 0 556,475
Red Hat Inc. COM 756577102 25,727 508,840 SH   SOLE   375,640 0 133,200
Resolute Energy Corp. COM 76116A108 35,672 3,099,185 SH   SOLE   2,215,395 0 883,790
STERIS Corp. COM 859152100 49,642 1,193,030 SH   SOLE   852,720 0 340,310
Sensient Technologies Corp. COM 81725T100 75,008 1,918,845 SH   SOLE   1,374,655 0 544,190
Silgan Holdings Inc COM 827048109 45,890 970,810 SH   SOLE   697,840 0 272,970
Snyders-Lance Inc. COM 833551104 42,161 1,669,075 SH   SOLE   1,192,850 0 476,225
Solera Holdings Inc. COM 83421A104 28,059 481,045 SH   SOLE   352,420 0 128,625
St. Jude Medical Inc. COM 790849103 31,269 773,210 SH   SOLE   571,510 0 201,700
Strayer Education Inc. COM 863236105 14,633 302,450 SH   SOLE   214,210 0 88,240
Superior Energy Services Inc. COM 868157108 7,467 287,530 SH   SOLE   211,205 0 76,325
T. Rowe Price Group Inc. COM 74144T108 18,357 245,180 SH   SOLE   180,580 0 64,600
TETRA Technologies Inc. COM 88162F105 24,589 2,396,585 SH   SOLE   1,700,305 0 696,280
TIBCO Software Inc. COM 88632Q103 24,110 1,192,655 SH   SOLE   876,880 0 315,775
Techne Corp. COM 878377100 24,925 367,355 SH   SOLE   264,530 0 102,825
Teleflex Inc. COM 879369106 54,743 647,770 SH   SOLE   463,850 0 183,920
TreeHouse Foods Inc COM 89469A104 77,652 1,191,900 SH   SOLE   851,805 0 340,095
TriMas Corp. COM 896215209 69,779 2,149,030 SH   SOLE   1,533,470 0 615,560
Tupperware Brands Corp. COM 899896104 20,051 245,305 SH   SOLE   180,530 0 64,775
UMB Financial Corp. COM 902788108 82,333 1,677,865 SH   SOLE   1,198,525 0 479,340
UTi Worldwide Inc. COM G87210103 20,685 1,428,495 SH   SOLE   1,020,185 0 408,310
VCA Antech Inc. COM 918194101 33,593 1,430,110 SH   SOLE   1,018,840 0 411,270
Verisk Analytics Inc. (Cl A) COM 92345Y106 15,708 254,925 SH   SOLE   187,900 0 67,025
Volcano Corp. COM 928645100 26,747 1,201,575 SH   SOLE   860,365 0 341,210
WEX Inc. COM 96208T104 41,000 522,290 SH   SOLE   372,205 0 150,085
Waddell & Reed Financial Inc. COM 930059100 23,486 536,460 SH   SOLE   380,180 0 156,280
Washington Trust Bancorp Inc. COM 940610108 19,595 715,680 SH   SOLE   511,030 0 204,650
West Pharmaceutical Services I COM 955306105 78,379 1,206,950 SH   SOLE   866,675 0 340,275
Whiting Petroleum Corp. COM 966387102 36,513 718,200 SH   SOLE   528,500 0 189,700
Willis Group Holdings PLC COM G96666105 42,596 1,078,650 SH   SOLE   793,750 0 284,900
Wolverine World Wide Inc. COM 978097103 68,888 1,552,570 SH   SOLE   1,109,610 0 442,960
Woodward Inc. COM 980745103 28,861 725,875 SH   SOLE   512,935 0 212,940
Zimmer Holdings Inc. COM 98956P102 20,930 278,245 SH   SOLE   206,145 0 72,100
NICE-Systems Ltd. ADS ADR 653656108 33,192 901,215 SH   SOLE   678,295 0 222,920