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 22028 807785 SH Sole 29915 777870 AES Corp com 00130H105 7747 838370 SH Sole 838370 AMETEK, Inc com 031100100 32791 816710 SH Sole 16920 799790 ATMI, Inc com 00207R101 9305 635589 SH Sole 572727 62862 Acxiom Corp com 005125109 34162 2325495 SH Sole 971630 1353865 Affiliated Managers Group, Inc com 008252108 26545 436810 SH Sole 8985 427825 Albemarle Corp com 012653101 63390 1596320 SH Sole 641312 955008 Alliance Data Systems Corp com 018581108 69125 1161374 SH Sole 247955 913419 Alpha Natural Resources, Inc com 02076X102 17750 524065 SH Sole 12230 511835 Alphatec Holdings, Inc. com 02081G102 4272 920635 SH Sole 829085 91550 Altera Corp com 021441100 7303 294375 SH Sole 294375 American Public Education, Inc com 02913V103 14107 322810 SH Sole 290825 31985 American Tower Corp com 029912201 11465 257645 SH Sole 257645 Amphenol Corp - Class A com 032095101 10406 264910 SH Sole 264910 Ariba, Inc com 04033V203 37160 2332726 SH Sole 1006311 1326415 Atlas Air Worldwide Holdings, com 049164205 16045 337780 SH Sole 304245 33535 Atmel Corp com 049513104 31202 6500475 SH Sole 2686350 3814125 Atwood Oceanics, Inc com 050095108 17965 703948 SH Sole 305349 398599 Avago Technologies Ltd com Y0486S104 23873 1133585 SH Sole 26250 1107335 BJ's Restaurants, Inc com 09180C106 12433 526829 SH Sole 489710 37119 Beacon Roofing Supply, Inc com 073685109 33408 1853945 SH Sole 774585 1079360 Belden, Inc com 077454106 28547 1297585 SH Sole 537780 759805 Brigham Exploration Co com 109178103 22275 1448285 SH Sole 595570 852715 C H Robinson Worldwide, Inc com 12541W209 7709 138500 SH Sole 138500 Cameron International Corp com 13342B105 10535 323955 SH Sole 323955 CarMax Inc com 143130102 29800 1497490 SH Sole 32860 1464630 Celadon Group, Inc com 150838100 5473 387090 SH Sole 348955 38135 Chicago Bridge & Iron Co NV com 167250109 35243 1873636 SH Sole 909844 963792 Clean Harbors, Inc com 184496107 26088 392825 SH Sole 163865 228960 Cognizant Technology Solutions com 192446102 21756 434600 SH Sole 434600 Concur Technologies, Inc com 206708109 28985 679118 SH Sole 248898 430220 Constant Contact, Inc com 210313102 9487 444792 SH Sole 400837 43955 Cooper Companies, Inc com 216648402 93285 2344427 SH Sole 813512 1530915 Core Laboratories NV com N22717107 44315 300219 SH Sole 93052 207167 Corrections Corp com 22025Y407 27946 1464685 SH Sole 418848 1045837 Covance, Inc com 222816100 19837 386537 SH Sole 9340 377197 DSW, Inc - Class A com 23334L102 16463 733008 SH Sole 660152 72856 Darden Restaurants, Inc com 237194105 18714 481695 SH Sole 10085 471610 DeVry, Inc com 251893103 68795 1310623 SH Sole 416544 894079 DealerTrak Holdings, Inc com 242309102 11658 708720 SH Sole 639860 68860 Digital River, Inc com 25388B104 13250 554155 SH Sole 225180 328975 Diodes, Inc com 254543101 9573 603203 SH Sole 257753 345450 Discovery Communications, Inc com 25470F302 13375 432415 SH Sole 432415 Dollar Tree, Inc com 256746108 6848 164490 SH Sole 164490 EResearch Technology, Inc com 29481V108 3587 455234 SH Sole 409974 45260 Elizabeth Arden, Inc com 28660G106 9544 657270 SH Sole 592283 64987 EnerSys com 29275Y102 42496 1988567 SH Sole 774377 1214190 Evercore Partners, Inc com 29977A105 7433 318310 SH Sole 286880 31430 Express Scripts, Inc com 302182100 14003 297820 SH Sole 297820 F5 Networks, Inc com 315616102 32117 468380 SH Sole 8455 459925 FEI Co com 30241L109 14078 714280 SH Sole 26475 687805 FLIR Systems, Inc com 302445101 7910 271900 SH Sole 271900 Fastenal Company com 311900104 22891 456090 SH Sole 456090 Fidelity National Information com 31620M106 15949 594670 SH Sole 594670 Flowserve Corp com 34354P105 35105 413970 SH Sole 9650 404320 Foster Wheeler Ltd com H27178104 8959 425395 SH Sole 425395 GameStop Corp com 36467W109 32447 1726817 SH Sole 305579 1421238 Gentex Corp com 371901109 28088 1562200 SH Sole 491940 1070260 Global Traffic Network, Inc com 37947B103 2690 499953 SH Sole 450318 49635 Healthcare Services Group, Inc com 421906108 10221 539355 SH Sole 485590 53765 Herbalife Ltd. com G4412G101 33977 737830 SH Sole 17120 720710 Hewitt Associates Inc - Cl A com 42822Q100 35795 1038740 SH Sole 23010 1015730 ICON PLC - Sponsored ADR com 45103T107 34718 1201725 SH Sole 27935 1173790 IHS, Inc com 451734107 25857 442610 SH Sole 8770 433840 Imax Corp com 45245E109 9690 663725 SH Sole 598355 65370 Innerworkings, Inc com 45773Y105 5737 840012 SH Sole 765990 74022 Ixia com 45071R109 5169 601792 SH Sole 541992 59800 J.B. Hunt Transport Services, com 445658107 7300 223445 SH Sole 223445 Juniper Networks, Inc com 48203R104 4493 196890 SH Sole 196890 Kennametal, Inc com 489170100 31524 1239643 SH Sole 513868 725775 Knight Transportation, Inc com 499064103 23540 1163060 SH Sole 490080 672980 Kohls Corp com 500255104 8006 168550 SH Sole 168550 LKQ Corp com 501889208 51277 2659592 SH Sole 674842 1984750 Lam Research Corp com 512807108 7988 209870 SH Sole 209870 Landstar System, Inc com 515098101 19376 496940 SH Sole 11740 485200 Lazard Ltd com G54050102 16765 627660 SH Sole 13035 614625 Life Time Fitness, Inc com 53217R207 49321 1551478 SH Sole 643773 907705 Luminex Corp com 55027E102 14138 871662 SH Sole 785242 86420 MICROS Systems, Inc com 594901100 25211 791065 SH Sole 326965 464100 MSC Industrial Direct Co, Inc com 553530106 58132 1147498 SH Sole 401415 746083 Martek Biosciences Corp com 572901106 36081 1521768 SH Sole 647903 873865 MasterCard, Inc com 57636Q104 11671 58490 SH Sole 58490 MedAssets, Inc com 584045108 15889 688420 SH Sole 620725 67695 Meridian Bioscience, Inc com 589584101 6730 395879 SH Sole 356169 39710 Microsemi Corp com 595137100 27424 1874498 SH Sole 328483 1546015 Millicom International Cellula com L6388F110 3579 44150 SH Sole 44150 Mobile Mini, Inc com 60740F105 10919 670687 SH Sole 605114 65573 Monolithic Power Systems com 609839105 7188 402450 SH Sole 362830 39620 NIC, Inc com 62914B100 5905 921147 SH Sole 829997 91150 NICE Systems Ltd - Spons ADR com 653656108 32056 1257593 SH Sole 524590 733003 Netscout Systems, Inc. com 64115T104 8119 570940 SH Sole 514740 56200 NeuStar, Inc com 64126X201 9604 465750 SH Sole 465750 Niko Resources Ltd com 653905109 30167 323781 SH Sole 146349 177432 Nuance Communications, Inc com 67020Y100 21864 1462500 SH Sole 35040 1427460 O'Reilly Automotive, Inc com 686091109 25704 540460 SH Sole 12700 527760 PSS World Medical, Inc com 69366A100 25213 1192127 SH Sole 650667 541460 Patterson Companies, Inc com 703395103 21308 746860 SH Sole 15670 731190 Petrohawk Energy Corp com 716495106 22826 1345065 SH Sole 31855 1313210 Polycom, Inc com 73172K104 26606 893133 SH Sole 288958 604175 Polypore International, Inc com 73179V103 12778 561912 SH Sole 506457 55455 Praxair, Inc com 74005P104 10937 143930 SH Sole 143930 Pride International, Inc com 74153Q102 6427 287700 SH Sole 287700 ResMed, Inc com 761152107 63170 1038813 SH Sole 323205 715608 Rex Energy Corp com 761565100 9982 988280 SH Sole 890750 97530 RightNow Technologies, Inc com 76657R106 14012 893046 SH Sole 804845 88201 Rogers Corp com 775133101 15046 541803 SH Sole 488480 53323 Rovi Corp com 779376102 54323 1432952 SH Sole 469390 963562 Ruby Tuesday, Inc com 781182100 14311 1683647 SH Sole 1559892 123755 Salesforce.com, Inc com 79466L302 4815 56105 SH Sole 56105 San Gold Corp com 79780P104 12552 2932610 SH Sole 2643265 289345 Sapient Corp com 803062108 35914 3541803 SH Sole 1505558 2036245 Service Corporation Internatio com 817565104 33886 4579125 SH Sole 108600 4470525 Solera Holdings, Inc com 83421A104 21798 602150 SH Sole 13895 588255 SonoSite, Inc com 83568G104 9577 353278 SH Sole 317903 35375 Southwestern Energy Co com 845467109 18891 488905 SH Sole 11465 477440 Stericycle, Inc com 858912108 31590 481700 SH Sole 10960 470740 Super Micro Computer, Inc com 86800U104 5462 404580 SH Sole 365170 39410 Syntel, Inc com 87162H103 17962 529072 SH Sole 163748 365324 Sysco Corp com 871829107 7233 253160 SH Sole 253160 T Rowe Price Group, Inc com 74144T108 11288 254290 SH Sole 254290 Tellabs, Inc com 879664100 6630 1037520 SH Sole 24260 1013260 Tennant Company com 880345103 9419 278495 SH Sole 260650 17845 Teradyne, Inc com 880770102 21299 2184516 SH Sole 904811 1279705 Tractor Supply Co com 892356106 69304 1136692 SH Sole 301583 835109 Trimble Navigation Limited com 896239100 6784 242300 SH Sole 11660 230640 UTI Worldwide, Inc com G87210103 24766 2000495 SH Sole 766954 1233541 Ulta Salon, Cosmetics & Fragra com 90384S303 15741 665420 SH Sole 599395 66025 Ultimate Software Group, Inc com 90385D107 10705 325788 SH Sole 293733 32055 Ultra Petroleum Corp com 903914109 48044 1085751 SH Sole 254949 830802 United Natural Foods, Inc com 911163103 42011 1406007 SH Sole 647448 758559 Urban Outfitters, Inc com 917047102 7644 222280 SH Sole 222280 VCA Antech, Inc com 918194101 19463 786050 SH Sole 324630 461420 Varian Medical Systems, Inc com 92220P105 33813 646770 SH Sole 15085 631685 Volcano Corp com 928645100 26720 1224566 SH Sole 568156 656410 WMS Industries, Inc com 929297109 13462 342980 SH Sole 7980 335000 Wabash National Corp com 929566107 10413 1464530 SH Sole 1319725 144805 Weatherford International Ltd com H27013103 3816 290380 SH Sole 290380 Williams-Sonoma, Inc com 969904101 20765 836615 SH Sole 18665 817950 Zumiez, Inc com 989817101 5762 357675 SH Sole 322260 35415