13F-HR 1 inftable.txt FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ADTRAN, Inc com 00738A106 36474 1033270 SH Sole 27900 1005370 AES Corp com 00130H105 9515 838370 SH Sole 838370 AMETEK, Inc com 031100100 49109 1028020 SH Sole 15935 1012085 ATMI, Inc com 00207R101 8996 605380 SH Sole 543062 62318 Acxiom Corp com 005125109 39488 2489803 SH Sole 921365 1568438 Affiliated Managers Group, Inc com 008252108 45932 588795 SH Sole 11475 577320 Albemarle Corp com 012653101 81969 1751104 SH Sole 608372 1142732 Alliance Data Systems Corp com 018581108 86397 1323887 SH Sole 235505 1088382 Allscripts Healthcare Solultio com 01988P108 19623 1062445 SH Sole 20305 1042140 Alpha Natural Resources, Inc com 02076X102 25218 612835 SH Sole 11485 601350 Alphatec Holdings, Inc. com 02081G102 1868 877145 SH Sole 785845 91300 Altera Corp com 021441100 8878 294375 SH Sole 294375 American Public Education, Inc com 02913V103 10112 307716 SH Sole 275825 31891 American Tower Corp com 029912201 13207 257645 SH Sole 257645 Amphenol Corp - Class A com 032095101 12975 264910 SH Sole 264910 Ariba, Inc com 04033V203 49917 2641129 SH Sole 955971 1685158 Atlas Air Worldwide Holdings, com 049164205 7277 144677 SH Sole 129710 14967 Atmel Corp com 049513104 58836 7391469 SH Sole 2549510 4841959 Atwood Oceanics, Inc com 050095108 24239 796034 SH Sole 290539 505495 Avago Technologies Ltd com Y0486S104 30138 1338885 SH Sole 24725 1314160 BJ's Restaurants, Inc com 09180C106 14097 500594 SH Sole 463620 36974 Beacon Roofing Supply, Inc com 073685109 26299 1804981 SH Sole 727120 1077861 Belden, Inc com 077454106 33318 1262990 SH Sole 503680 759310 Brigham Exploration Co com 109178103 30860 1645865 SH Sole 564115 1081750 C H Robinson Worldwide, Inc com 12541W209 9684 138500 SH Sole 138500 Cadence Design Systems, Inc com 127387108 34148 4475431 SH Sole 1567115 2908316 Cameron International Corp com 13342B105 13917 323955 SH Sole 323955 CarMax Inc com 143130102 48790 1751270 SH Sole 30810 1720460 Celadon Group, Inc com 150838100 5099 369246 SH Sole 331215 38031 Chicago Bridge & Iron Co NV com 167250109 50560 2067874 SH Sole 862794 1205080 Cognizant Technology Solutions com 192446102 28019 434600 SH Sole 434600 Concur Technologies, Inc com 206708109 19823 400944 SH Sole 139663 261281 Constant Contact, Inc com 210313102 9104 424811 SH Sole 380977 43834 Cooper Companies, Inc com 216648402 110890 2399176 SH Sole 767707 1631469 Core Laboratories NV com N22717107 58628 665919 SH Sole 177034 488885 Corrections Corp com 22025Y407 42275 1712939 SH Sole 393021 1319918 Covance, Inc com 222816100 21264 454452 SH Sole 8705 445747 DSW, Inc - Class A com 23334L102 20066 699179 SH Sole 626529 72650 Darden Restaurants, Inc com 237194105 26743 625120 SH Sole 9400 615720 DeVry, Inc com 251893103 69374 1409754 SH Sole 394699 1015055 DealerTrak Holdings, Inc com 242309102 17203 1007182 SH Sole 902960 104222 Digital River, Inc com 25388B104 21742 638708 SH Sole 220535 418173 Diodes, Inc com 254543101 10081 589881 SH Sole 244510 345371 Discovery Communications, Inc com 25470F302 16514 432415 SH Sole 432415 Dollar Tree, Inc com 256746108 8021 164490 SH Sole 164490 Donaldson Company, Inc com 257651109 11043 234300 SH Sole 5606 228694 EResearch Technology, Inc com 29481V108 3247 434076 SH Sole 388944 45132 Elizabeth Arden, Inc com 28660G106 12526 626638 SH Sole 561828 64810 EnerSys com 29275Y102 48424 1939286 SH Sole 725857 1213429 Evercore Partners, Inc com 29977A105 8687 303645 SH Sole 272305 31340 Express Scripts, Inc com 302182100 14504 297820 SH Sole 297820 F5 Networks, Inc com 315616102 37871 364815 SH Sole 5930 358885 FEI Co com 30241L109 13841 707240 SH Sole 19575 687665 FLIR Systems, Inc com 302445101 16812 654170 SH Sole 10580 643590 Fastenal Company com 311900104 24259 456090 SH Sole 456090 Fidelity National Information com 31620M106 16133 594670 SH Sole 594670 Flowserve Corp com 34354P105 52982 484205 SH Sole 9075 475130 Foster Wheeler Ltd com H27178104 14474 591740 SH Sole 591740 GameStop Corp com 36467W109 33577 1703545 SH Sole 283289 1420256 Gentex Corp com 371901109 43882 2247492 SH Sole 475960 1771532 Global Traffic Network, Inc com 37947B103 2388 475655 SH Sole 426444 49211 Healthcare Services Group, Inc com 421906108 11716 514074 SH Sole 460465 53609 Herbalife Ltd. com G4412G101 55287 916105 SH Sole 16130 899975 ICON PLC - Sponsored ADR com 45103T107 31092 1438120 SH Sole 26280 1411840 IHS, Inc com 451734107 44490 654265 SH Sole 12130 642135 Imax Corp com 45245E109 10672 632958 SH Sole 567765 65193 Innerworkings, Inc com 45773Y105 5467 832044 SH Sole 745890 86154 Ixia com 45071R109 7120 574185 SH Sole 514552 59633 J.B. Hunt Transport Services, com 445658107 7754 223445 SH Sole 223445 Juniper Networks, Inc com 48203R104 5976 196890 SH Sole 196890 Kennametal, Inc com 489170100 43608 1409883 SH Sole 487548 922335 Knight Transportation, Inc com 499064103 25589 1323797 SH Sole 464865 858932 Kohls Corp com 500255104 8879 168550 SH Sole 168550 LKQ Corp com 501889208 61539 2958605 SH Sole 638632 2319973 Lam Research Corp com 512807108 8783 209870 SH Sole 209870 Landstar System, Inc com 515098101 22590 584920 SH Sole 11055 573865 Lazard Ltd com G54050102 28495 812275 SH Sole 14855 797420 Life Time Fitness, Inc com 53217R207 67619 1713177 SH Sole 610003 1103174 Luminex Corp com 55027E102 13291 830658 SH Sole 744477 86181 MICROS Systems, Inc com 594901100 39457 932128 SH Sole 309900 622228 MSC Industrial Direct Co, Inc com 553530106 64949 1201874 SH Sole 380295 821579 Martek Biosciences Corp com 572901106 37071 1638149 SH Sole 614253 1023896 MasterCard, Inc com 57636Q104 13102 58490 SH Sole 58490 MedAssets, Inc com 584045108 13799 655866 SH Sole 588350 67516 Meridian Bioscience, Inc com 589584101 8239 376746 SH Sole 337144 39602 Microsemi Corp com 595137100 37202 2172714 SH Sole 310773 1861941 Millicom International Cellula com L6388F110 4236 44150 SH Sole 44150 Mobile Mini, Inc com 60740F105 9810 639536 SH Sole 574149 65387 Monolithic Power Systems com 609839105 6260 383372 SH Sole 343865 39507 NIC, Inc com 62914B100 7284 878636 SH Sole 787742 90894 NICE Systems Ltd - Spons ADR com 653656108 38481 1229817 SH Sole 497120 732697 Netscout Systems, Inc. com 64115T104 11169 544566 SH Sole 488520 56046 NeuStar, Inc com 64126X201 11579 465750 SH Sole 465750 Niko Resources Ltd com 653905109 35050 355079 SH Sole 138869 216210 Nuance Communications, Inc com 67020Y100 26803 1713775 SH Sole 32685 1681090 O'Reilly Automotive, Inc com 686091109 33786 635080 SH Sole 11845 623235 PSS World Medical, Inc com 69366A100 27736 1297269 SH Sole 616561 680708 Patterson Companies, Inc com 703395103 21424 747790 SH Sole 11485 736305 Pegasystems, Inc com 705573103 6681 215180 SH Sole 192865 22315 Petrohawk Energy Corp com 716495106 21671 1342710 SH Sole 29740 1312970 Polycom, Inc com 73172K104 27015 990291 SH Sole 274253 716038 Polypore International, Inc com 73179V103 16386 543292 SH Sole 487987 55305 Praxair, Inc com 74005P104 12991 143930 SH Sole 143930 Pride International, Inc com 74153Q102 8467 287700 SH Sole 287700 Radiant Systems, Inc com 75025N102 4745 277325 SH Sole 249035 28290 ResMed, Inc com 761152107 74853 2281412 SH Sole 612610 1668802 Rex Energy Corp com 761565100 12056 941895 SH Sole 844635 97260 RightNow Technologies, Inc com 76657R106 16777 851603 SH Sole 763645 87958 Rogers Corp com 775133101 16263 516611 SH Sole 463440 53171 Rovi Corp com 779376102 57105 1132808 SH Sole 282576 850232 Ruby Tuesday, Inc com 781182100 19008 1601344 SH Sole 1478077 123267 Salesforce.com, Inc com 79466L302 3113 27845 SH Sole 27845 San Gold Corp com 79780P104 8919 2795873 SH Sole 2507345 288528 Sapient Corp com 803062108 47167 3940451 SH Sole 1427573 2512878 Service Corporation Internatio com 817565104 40570 4706485 SH Sole 83760 4622725 Solera Holdings, Inc com 83421A104 2862 64814 SH Sole 250 64564 SonoSite, Inc com 83568G104 11279 336601 SH Sole 301318 35283 Southwestern Energy Co com 845467109 19652 587685 SH Sole 10700 576985 Stericycle, Inc com 858912108 39267 565160 SH Sole 10165 554995 Super Micro Computer, Inc com 86800U104 4031 387998 SH Sole 348580 39418 Syntel, Inc com 87162H103 23157 520390 SH Sole 155108 365282 Sysco Corp com 871829107 7220 253160 SH Sole 253160 T Rowe Price Group, Inc com 74144T108 12731 254290 SH Sole 254290 Tennant Company com 880345103 8586 277848 SH Sole 248440 29408 Teradyne, Inc com 880770102 27511 2469553 SH Sole 858516 1611037 Tractor Supply Co com 892356106 64881 1635929 SH Sole 301966 1333963 Trimble Navigation Limited com 896239100 38760 1106155 SH Sole 20860 1085295 UTI Worldwide, Inc com G87210103 31513 1959769 SH Sole 726454 1233315 Ulta Salon, Cosmetics & Fragra com 90384S303 18535 634753 SH Sole 568915 65838 Ultimate Software Group, Inc com 90385D107 12005 310689 SH Sole 278723 31966 Ultra Petroleum Corp com 903914109 45017 1072337 SH Sole 241744 830593 United Natural Foods, Inc com 911163103 49031 1480402 SH Sole 614533 865869 Urban Outfitters, Inc com 917047102 17678 562280 SH Sole 9400 552880 VCA Antech, Inc com 918194101 18813 892047 SH Sole 307650 584397 Varian Medical Systems, Inc com 92220P105 47432 784005 SH Sole 13935 770070 Volcano Corp com 928645100 35824 1378920 SH Sole 538206 840714 WMS Industries, Inc com 929297109 22611 593920 SH Sole 12860 581060 Wabash National Corp com 929566107 11297 1396368 SH Sole 1251965 144403 Weatherford International Ltd com H27013103 4965 290380 SH Sole 290380 Williams-Sonoma, Inc com 969904101 31242 985545 SH Sole 18340 967205 Zumiez, Inc com 989817101 7218 341138 SH Sole 305820 35318