Columbia Wanger Asset Management

Columbia Wanger Asset Management as of June 30, 2010

Portfolio Holdings for Columbia Wanger Asset Management

Columbia Wanger Asset Management holds 341 positions in its portfolio as reported in the June 2010 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Crown Castle International 2.0 $341M 9.1M 37.26
Ametek (AME) 1.8 $300M 7.5M 40.15
FMC Technologies 1.5 $256M 4.9M 52.66
Mettler-Toledo International (MTD) 1.5 $249M 2.2M 111.63
Donaldson Company (DCI) 1.4 $234M 5.5M 42.65
Alexion Pharmaceuticals 1.3 $220M 4.3M 51.19
Amphenol Corporation (APH) 1.3 $217M 5.5M 39.28
Lululemon Athletica (LULU) 1.2 $210M 5.6M 37.22
ITT Educational Services (ESINQ) 1.2 $196M 2.4M 83.02
Americredit Corp. 1.1 $182M 10M 18.22
Atwood Oceanics 1.1 $183M 7.2M 25.52
Informatica Corporation 1.1 $176M 7.4M 23.88
Bally Technologies 1.0 $173M 5.4M 32.39
SBA Communications Corporation 1.0 $175M 5.1M 34.01
SEI Investments Company (SEIC) 1.0 $171M 8.4M 20.36
Abercrombie & Fitch (ANF) 1.0 $170M 5.5M 30.69
Eaton Vance 1.0 $166M 6.0M 27.61
Pentair 0.8 $142M 4.4M 32.20
Expeditors International of Washington (EXPD) 0.8 $140M 4.1M 34.51
Expedia 0.8 $138M 7.4M 18.78
Urban Outfitters (URBN) 0.8 $137M 4.0M 34.39
Nordson Corporation (NDSN) 0.8 $136M 2.4M 56.08
Coach 0.8 $129M 3.5M 36.55
Ansys (ANSS) 0.8 $125M 3.1M 40.57
MICROS Systems 0.7 $124M 3.9M 31.87
BOK Financial Corporation (BOKF) 0.7 $124M 2.6M 47.47
J.B. Hunt Transport Services (JBHT) 0.7 $117M 3.6M 32.67
Valley National Ban (VLY) 0.7 $118M 8.7M 13.62
BioMed Realty Trust 0.7 $117M 7.2M 16.09
J. Crew 0.6 $106M 2.9M 36.81
Gaylord Entertainment Company 0.6 $105M 4.8M 22.09
W.W. Grainger (GWW) 0.6 $103M 1.0M 99.45
Global Payments (GPN) 0.6 $102M 2.8M 36.54
Career Education 0.6 $100M 4.3M 23.02
Core Laboratories 0.6 $100M 674k 147.61
Sociedad Quimica y Minera (SQM) 0.6 $98M 3.0M 32.61
Ii-vi 0.6 $97M 3.3M 29.63
Discovery Communications 0.6 $97M 3.1M 30.93
TCF Financial Corporation 0.6 $97M 5.8M 16.61
PSS World Medical 0.6 $97M 4.6M 21.15
Clarcor 0.6 $96M 2.7M 35.52
Hansen Natural Corporation 0.6 $92M 2.3M 39.11
BioMarin Pharmaceutical (BMRN) 0.5 $90M 4.8M 18.96
American Medical Systems Holdings 0.5 $90M 4.1M 22.12
ESCO Technologies (ESE) 0.5 $90M 3.5M 25.75
Safeway 0.5 $85M 4.3M 19.66
World Acceptance (WRLD) 0.5 $85M 2.2M 38.31
Quanta Services (PWR) 0.5 $85M 4.1M 20.65
Knoll 0.5 $86M 6.5M 13.29
Southwestern Energy Company (SWN) 0.5 $84M 2.2M 38.64
Oshkosh Corporation (OSK) 0.5 $84M 2.7M 31.16
Poly 0.5 $84M 2.8M 29.79
Vail Resorts (MTN) 0.5 $82M 2.3M 34.91
Avnet (AVT) 0.5 $80M 3.3M 24.11
Seattle Genetics 0.5 $78M 6.5M 11.99
Life Time Fitness 0.5 $78M 2.5M 31.79
Mednax (MD) 0.5 $79M 1.4M 55.61
MB Financial 0.5 $77M 4.2M 18.39
F5 Networks (FFIV) 0.5 $77M 1.1M 68.57
Quality Systems 0.5 $78M 1.3M 57.99
Albemarle Corporation (ALB) 0.5 $76M 1.9M 39.71
Dolby Laboratories (DLB) 0.5 $76M 1.2M 62.69
Associated Banc- (ASB) 0.5 $75M 6.1M 12.26
Pool Corporation (POOL) 0.4 $73M 3.3M 21.92
McGrath Rent (MGRC) 0.4 $75M 3.3M 22.78
Acuity Brands (AYI) 0.4 $73M 2.0M 36.38
iGATE Corporation 0.4 $73M 5.7M 12.82
SVB Financial (SIVBQ) 0.4 $71M 1.7M 41.23
Herman Miller (MLKN) 0.4 $70M 3.7M 18.87
Moog (MOG.A) 0.4 $71M 2.2M 32.23
True Religion Apparel 0.4 $71M 3.2M 22.07
Talbots 0.4 $66M 6.4M 10.31
Leucadia National 0.4 $65M 3.4M 19.51
Blackbaud (BLKB) 0.4 $66M 3.0M 21.77
Nalco Holding Company 0.4 $66M 3.2M 20.46
Pall Corporation 0.4 $65M 1.9M 34.37
New Oriental Education & Tech 0.4 $65M 698k 93.19
WNS 0.4 $66M 5.6M 11.74
World Fuel Services Corporation (WKC) 0.4 $65M 2.5M 25.94
Acorda Therapeutics 0.4 $65M 2.1M 31.11
Concur Technologies 0.4 $63M 1.5M 42.68
Avis Budget (CAR) 0.4 $62M 6.3M 9.82
Plexus (PLXS) 0.4 $63M 2.3M 26.74
Cepheid 0.4 $61M 3.8M 16.02
Eldorado Gold Corp 0.4 $62M 3.5M 17.92
Sirona Dental Systems 0.4 $61M 1.7M 34.84
IPG Photonics Corporation (IPGP) 0.4 $61M 4.0M 15.23
AboveNet 0.4 $60M 1.3M 47.18
Penn National Gaming (PENN) 0.3 $59M 2.6M 23.10
Blue Coat Systems 0.3 $59M 2.9M 20.43
Hanover Insurance (THG) 0.3 $59M 1.4M 43.50
Edwards Lifesciences (EW) 0.3 $58M 1.0M 56.02
SL Green Realty 0.3 $58M 1.0M 55.04
AnnTaylor Stores 0.3 $57M 3.5M 16.27
Saks Incorporated 0.3 $57M 7.5M 7.59
Jarden Corporation 0.3 $57M 2.1M 26.87
Pinnacle Entertainment 0.3 $55M 5.8M 9.46
Illumina (ILMN) 0.3 $55M 1.3M 43.53
SRA International 0.3 $56M 2.8M 19.67
Discover Financial Services (DFS) 0.3 $53M 3.8M 13.98
Waste Management (WM) 0.3 $54M 1.7M 31.29
GATX Corporation (GATX) 0.3 $53M 2.0M 26.68
Equinix 0.3 $54M 662k 81.22
Nektar Therapeutics (NKTR) 0.3 $54M 4.5M 12.10
Interline Brands 0.3 $54M 3.1M 17.29
Corporate Office Properties Trust (CDP) 0.3 $54M 1.4M 37.76
Silver Wheaton Corp 0.3 $53M 2.6M 20.10
Microsemi Corporation 0.3 $51M 3.5M 14.63
Orthofix International Nv Com Stk 0.3 $51M 1.6M 32.05
Macerich Company (MAC) 0.3 $52M 1.4M 37.32
Baytex Energy Trust 0.3 $53M 1.8M 29.87
Range Resources (RRC) 0.3 $50M 1.2M 40.15
AMAG Pharmaceuticals 0.3 $51M 1.5M 34.35
Digital Realty Trust (DLR) 0.3 $50M 869k 57.68
Gen-Probe Incorporated 0.3 $51M 1.1M 45.42
Trimble Navigation (TRMB) 0.3 $50M 1.8M 28.00
Thor Industries (THO) 0.3 $51M 2.1M 23.75
Diamond Foods 0.3 $50M 1.2M 41.10
HEICO Corporation (HEI.A) 0.3 $51M 1.9M 26.95
MF Global Holdings 0.3 $51M 8.9M 5.71
Heartland Express (HTLD) 0.3 $48M 3.3M 14.52
Ultra Petroleum 0.3 $48M 1.1M 44.25
Haemonetics Corporation (HAE) 0.3 $49M 913k 53.52
Kaydon Corporation 0.3 $49M 1.5M 32.86
Waste Connections 0.3 $47M 1.3M 34.89
GrafTech International 0.3 $46M 3.2M 14.62
Qiagen 0.3 $48M 2.5M 19.22
SM Energy (SM) 0.3 $46M 1.1M 40.16
Republic Services (RSG) 0.3 $45M 1.5M 29.73
American Tower Corporation 0.3 $46M 1.0M 44.50
Zebra Technologies (ZBRA) 0.3 $46M 1.8M 25.37
Mine Safety Appliances 0.3 $45M 1.8M 24.78
NVR (NVR) 0.3 $46M 70k 655.04
Delphi Financial 0.3 $45M 1.9M 24.41
Allos Therapeutics 0.3 $44M 7.2M 6.13
Universal Technical Institute (UTI) 0.3 $44M 1.9M 23.64
Toro Company (TTC) 0.3 $44M 894k 49.12
American Commercial Lines (ACLI) 0.3 $43M 1.9M 22.51
Atmel Corporation 0.2 $43M 8.9M 4.80
ON Semiconductor (ON) 0.2 $42M 6.6M 6.38
Rush Enterprises (RUSHA) 0.2 $42M 3.1M 13.36
Denbury Resources 0.2 $42M 2.9M 14.64
FTI Consulting (FCN) 0.2 $41M 939k 43.59
TETRA Technologies (TTI) 0.2 $40M 4.4M 9.08
Blackboard 0.2 $40M 1.1M 37.33
NPS Pharmaceuticals 0.2 $40M 6.2M 6.44
Supertex 0.2 $40M 1.6M 24.66
Federal Realty Inv. Trust 0.2 $40M 565k 70.27
Ivanhoe Mines 0.2 $41M 3.2M 12.95
Shutterfly 0.2 $41M 1.7M 23.96
Northeast Utilities System 0.2 $38M 1.5M 25.48
IDEXX Laboratories (IDXX) 0.2 $38M 621k 60.90
Forward Air Corporation (FWRD) 0.2 $38M 1.4M 27.25
Wilmington Trust Corporation 0.2 $38M 3.5M 11.09
Henry Schein (HSIC) 0.2 $38M 696k 54.90
City National Corporation 0.2 $38M 745k 51.23
Pan American Silver Corp Can (PAAS) 0.2 $38M 1.5M 25.28
Helen Of Troy (HELE) 0.2 $37M 1.7M 22.06
Drew Industries 0.2 $37M 1.8M 20.20
Kennametal (KMT) 0.2 $37M 1.4M 25.43
Wet Seal 0.2 $36M 10M 3.65
Mindray Medical International 0.2 $37M 1.2M 31.42
Bristow 0.2 $36M 1.2M 29.40
Finisar Corporation 0.2 $37M 2.5M 14.90
Monolithic Power Systems (MPWR) 0.2 $37M 2.1M 17.86
Extra Space Storage (EXR) 0.2 $37M 2.6M 13.90
Pier 1 Imports 0.2 $36M 5.6M 6.41
Markel Corporation (MKL) 0.2 $35M 104k 340.00
Grupo Aeroportuario del Sureste (ASR) 0.2 $36M 784k 45.54
Canadian Solar (CSIQ) 0.2 $35M 3.5M 9.78
Tyler Technologies (TYL) 0.2 $35M 2.3M 15.52
United Therapeutics Corporation (UTHR) 0.2 $35M 726k 48.81
Rue21 0.2 $35M 1.1M 30.34
Constant Contact 0.2 $35M 1.6M 21.33
CommScope 0.2 $34M 1.4M 23.77
Aaron's 0.2 $34M 2.0M 17.07
Human Genome Sciences 0.2 $33M 1.4M 22.66
eResearch Technology 0.2 $34M 4.3M 7.88
Navigant Consulting 0.2 $33M 3.2M 10.38
Martin Marietta Materials (MLM) 0.2 $32M 373k 84.81
Akamai Technologies (AKAM) 0.2 $33M 800k 40.57
Liberty Global 0.2 $33M 1.3M 25.99
Tesco Corporation 0.2 $31M 2.5M 12.28
H&E Equipment Services (HEES) 0.2 $32M 4.3M 7.49
Kenexa Corporation 0.2 $31M 2.6M 12.00
ISIS Pharmaceuticals 0.2 $32M 3.3M 9.57
Jack Henry & Associates (JKHY) 0.2 $31M 1.3M 23.88
ExlService Holdings (EXLS) 0.2 $31M 1.8M 17.17
Cardtronics 0.2 $31M 2.4M 12.96
DuPont Fabros Technology 0.2 $32M 1.3M 24.56
Ritchie Bros. Auctioneers Inco 0.2 $30M 1.6M 18.22
HCC Insurance Holdings 0.2 $30M 1.2M 24.76
Choice Hotels International (CHH) 0.2 $31M 1.0M 30.21
Nice Systems (NICE) 0.2 $30M 1.2M 25.49
Micromet 0.2 $31M 4.9M 6.24
CAI International 0.2 $30M 2.5M 11.90
XenoPort 0.2 $29M 3.0M 9.81
Willis Group Holdings 0.2 $28M 945k 30.05
Red Hat 0.2 $29M 1.0M 28.94
Energizer Holdings 0.2 $28M 550k 50.28
Wisconsin Energy Corporation 0.2 $29M 568k 50.74
Cogent Communications (CCOI) 0.2 $28M 3.7M 7.58
Dress Barn 0.2 $29M 1.2M 23.81
Mobile Mini 0.2 $28M 1.7M 16.28
Oceaneering International (OII) 0.2 $29M 634k 44.90
Administaff (ASF) 0.2 $29M 1.2M 24.16
Acxiom Corporation 0.2 $27M 1.8M 14.69
Entegris (ENTG) 0.2 $26M 6.6M 3.97
Aspen Insurance Holdings 0.2 $27M 1.1M 24.74
Pericom Semiconductor 0.2 $27M 2.8M 9.60
Immucor 0.2 $27M 1.4M 19.05
Central European Distribution 0.2 $27M 1.2M 21.38
Amylin Pharmaceuticals 0.2 $27M 1.4M 18.80
ICU Medical, Incorporated (ICUI) 0.2 $27M 850k 32.17
Melco Crown Entertainment (MLCO) 0.1 $26M 6.9M 3.74
Assurant (AIZ) 0.1 $24M 700k 34.70
Tower 0.1 $25M 1.2M 21.53
Owens & Minor (OMI) 0.1 $26M 900k 28.38
Art Technology 0.1 $25M 7.4M 3.42
DCT Industrial Trust 0.1 $25M 5.5M 4.52
Generac Holdings (GNRC) 0.1 $26M 1.8M 14.01
NetSuite 0.1 $25M 2.0M 12.64
Auxilium Pharmaceuticals 0.1 $23M 978k 23.50
Albany International (AIN) 0.1 $23M 1.4M 16.19
FLIR Systems 0.1 $23M 780k 29.09
Houston American Energy Corporation 0.1 $24M 2.4M 9.86
Education Realty Trust 0.1 $23M 3.9M 6.03
Rosetta Resources 0.1 $23M 1.1M 19.81
HMS Holdings 0.1 $24M 441k 54.22
Wabtec Corporation (WAB) 0.1 $24M 600k 39.89
NetGear (NTGR) 0.1 $23M 1.3M 17.84
Cavco Industries (CVCO) 0.1 $24M 670k 35.18
Kite Realty Group Trust 0.1 $23M 5.6M 4.18
CVB Financial (CVBF) 0.1 $22M 2.3M 9.50
Dionex Corporation 0.1 $22M 300k 74.46
Selective Insurance (SIGI) 0.1 $21M 1.4M 14.86
TriCo Bancshares (TCBK) 0.1 $21M 1.3M 16.93
Flowers Foods (FLO) 0.1 $21M 862k 24.43
Hackett (HCKT) 0.1 $22M 8.0M 2.81
Symetra Finl Corp 0.1 $21M 1.8M 12.00
Greif (GEF) 0.1 $20M 355k 55.54
Watsco, Incorporated (WSO) 0.1 $20M 350k 57.92
Washington Real Estate Investment Trust (ELME) 0.1 $20M 705k 27.59
WMS Industries 0.1 $21M 531k 39.25
Mediacom Communications Corporation 0.1 $20M 3.0M 6.72
AFC Enterprises 0.1 $19M 2.1M 9.10
Coldwater Creek 0.1 $21M 6.2M 3.36
Virtusa Corporation 0.1 $20M 2.1M 9.33
Whitney Holding 0.1 $20M 2.2M 9.25
IFM Investments (CTC) 0.1 $20M 3.8M 5.23
Clean Harbors (CLH) 0.1 $19M 280k 66.41
Investment Technology 0.1 $18M 1.1M 16.06
Onyx Pharmaceuticals 0.1 $18M 834k 21.59
Medicines Company 0.1 $18M 2.4M 7.61
Royal Gold (RGLD) 0.1 $19M 400k 48.00
Actuate Corporation 0.1 $18M 4.0M 4.45
Sandy Spring Ban (SASR) 0.1 $18M 1.3M 14.01
Lakeland Financial Corporation (LKFN) 0.1 $18M 923k 19.98
GT Solar International 0.1 $17M 3.0M 5.60
Simpson Manufacturing (SSD) 0.1 $17M 700k 24.55
THQ 0.1 $16M 3.8M 4.32
Quicksilver Resources 0.1 $17M 1.6M 11.00
Array BioPharma 0.1 $16M 5.4M 3.05
Carrizo Oil & Gas 0.1 $17M 1.1M 15.53
IXYS Corporation 0.1 $17M 1.9M 8.84
Northern Oil & Gas 0.1 $17M 1.3M 12.84
Allete (ALE) 0.1 $17M 500k 34.24
Interface 0.1 $17M 1.6M 10.74
Gran Tierra Energy 0.1 $18M 3.5M 5.03
Express 0.1 $17M 1.0M 16.37
GLG Life Tech 0.1 $17M 2.2M 7.63
Hudson Valley Holding 0.1 $16M 702k 23.12
P.F. Chang's China Bistro 0.1 $15M 383k 39.65
Integrated Device Technology 0.1 $15M 3.1M 4.95
TrueBlue (TBI) 0.1 $15M 1.3M 11.19
Littelfuse (LFUS) 0.1 $16M 500k 31.61
Stratasys 0.1 $16M 630k 24.56
athenahealth 0.1 $14M 546k 26.13
First Busey Corporation 0.1 $14M 3.2M 4.53
General Communication 0.1 $15M 2.0M 7.59
Green Bankshares 0.1 $15M 1.2M 12.77
Idenix Pharmaceuticals 0.1 $14M 2.9M 5.00
Marlin Business Services 0.1 $15M 1.2M 12.09
Techne Corporation 0.1 $14M 247k 57.45
VisionChina Media 0.1 $13M 4.3M 3.00
Pacific Continental Corporation 0.1 $14M 1.4M 9.47
Berkshire Hills Ban (BHLB) 0.1 $13M 664k 19.48
Cullen/Frost Bankers (CFR) 0.1 $12M 240k 51.40
Steelcase (SCS) 0.1 $11M 1.5M 7.75
Uti Worldwide 0.1 $12M 1.0M 12.38
Avid Technology 0.1 $11M 890k 12.73
Mueller Water Products (MWA) 0.1 $12M 3.2M 3.71
Silgan Holdings (SLGN) 0.1 $11M 400k 28.38
Allscripts Healthcare Solutions (MDRX) 0.1 $13M 779k 16.10
American Reprographics Company 0.1 $11M 1.3M 8.73
Textainer Group Holdings 0.1 $12M 511k 24.14
Kinetic Concepts 0.1 $12M 326k 36.51
Chemspec International (CPC) 0.1 $11M 1.5M 7.21
Salem Communications (SALM) 0.1 $11M 3.0M 3.71
Entravision Communication (EVC) 0.1 $9.8M 4.6M 2.11
Anthera Pharmaceuticals 0.1 $11M 2.0M 5.36
Nanosphere 0.1 $9.5M 2.2M 4.36
Cabot Oil & Gas Corporation (CTRA) 0.1 $9.0M 286k 31.32
Exterran Holdings 0.1 $8.5M 329k 25.81
Smart Balance 0.1 $8.2M 2.0M 4.09
Provident New York Ban 0.1 $9.1M 1.0M 8.85
Terremark Worldwide 0.1 $7.8M 1.0M 7.81
Gaiam 0.1 $9.2M 1.5M 6.07
Rush Enterprises (RUSHB) 0.1 $7.6M 652k 11.65
MetroPCS Communications 0.1 $8.2M 1.0M 8.19
Alexco Resource Corp 0.1 $8.9M 2.8M 3.14
Eagle Ban (EGBN) 0.1 $8.3M 707k 11.78
GulfMark Offshore 0.1 $8.1M 308k 26.20
Infogroup Inc Com Stk 0.0 $6.4M 800k 7.98
M/I Homes (MHO) 0.0 $7.5M 776k 9.64
bebe stores 0.0 $6.1M 946k 6.40
Synthesis Energy Systems 0.0 $6.9M 6.3M 1.10
Kenneth Cole Productions 0.0 $6.0M 542k 11.01
Princeton Review (REVU) 0.0 $6.9M 3.0M 2.32
TheStreet 0.0 $6.6M 2.3M 2.88
RCM Technologies (RCMT) 0.0 $6.9M 1.5M 4.47
STR Holdings 0.0 $7.5M 400k 18.80
Tesla Motors (TSLA) 0.0 $7.0M 294k 23.83
Gray Television (GTN) 0.0 $4.2M 1.8M 2.41
Spanish Broadcasting System (SBSA) 0.0 $4.2M 3.7M 1.14
VAALCO Energy (EGY) 0.0 $4.2M 750k 5.60
GP Strategies Corporation 0.0 $4.4M 600k 7.26
Hyatt Hotels Corporation (H) 0.0 $5.3M 142k 37.09
Oasis Petroleum 0.0 $4.4M 300k 14.50
Real Goods Solar 0.0 $5.0M 1.6M 3.16
Saga Communications (SGA) 0.0 $4.4M 184k 23.88
Tractor Supply Company (TSCO) 0.0 $4.2M 68k 60.97
Jones Apparel 0.0 $3.6M 225k 15.85
Spartan Motors 0.0 $3.8M 900k 4.20
Old Dominion Freight Line (ODFL) 0.0 $3.5M 100k 35.14
U.S. Lime & Minerals (USLM) 0.0 $886k 23k 38.52
Guaranty Ban 0.0 $1.9M 1.8M 1.06
inContact, Inc . 0.0 $2.5M 1.0M 2.45
K-Fed Ban (KFED) 0.0 $2.2M 239k 9.08
Royal Caribbean Cruises (RCL) 0.0 $189k 8.3k 22.77
EQT Corporation (EQT) 0.0 $506k 14k 36.14