Columbia Wanger Asset Management

Columbia Wanger Asset Management as of March 31, 2011

Portfolio Holdings for Columbia Wanger Asset Management

Columbia Wanger Asset Management holds 347 positions in its portfolio as reported in the March 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Ametek (AME) 2.1 $498M 11M 43.87
Lululemon Athletica (LULU) 2.0 $494M 5.5M 89.05
FMC Technologies 1.9 $454M 4.8M 94.48
Donaldson Company (DCI) 1.6 $389M 6.4M 61.29
Mettler-Toledo International (MTD) 1.6 $385M 2.2M 172.00
Abercrombie & Fitch (ANF) 1.6 $384M 6.5M 58.70
Informatica Corporation 1.6 $384M 7.3M 52.23
Crown Castle International 1.5 $366M 8.6M 42.55
Atwood Oceanics 1.4 $330M 7.1M 46.43
Alexion Pharmaceuticals 1.3 $309M 3.1M 98.68
Nordson Corporation (NDSN) 1.1 $279M 2.4M 115.06
Amphenol Corporation (APH) 1.1 $273M 5.0M 54.39
IPG Photonics Corporation (IPGP) 1.1 $273M 4.7M 57.68
tw tele 1.1 $260M 14M 19.20
Hertz Global Holdings 0.9 $226M 15M 15.63
MICROS Systems 0.9 $213M 4.3M 49.43
Expeditors International of Washington (EXPD) 0.9 $212M 4.2M 50.14
Gaylord Entertainment Company 0.8 $204M 5.9M 34.68
SEI Investments Company (SEIC) 0.8 $198M 8.3M 23.88
Bally Technologies 0.8 $193M 5.1M 37.85
SBA Communications Corporation 0.8 $193M 4.9M 39.68
ITT Educational Services (ESINQ) 0.8 $186M 2.6M 72.15
Coach 0.8 $184M 3.5M 52.04
CNO Financial (CNO) 0.8 $181M 24M 7.51
BioMarin Pharmaceutical (BMRN) 0.7 $176M 7.0M 25.13
Oshkosh Corporation (OSK) 0.7 $177M 5.0M 35.38
Pentair 0.7 $178M 4.7M 37.79
Atmel Corporation 0.7 $174M 13M 13.63
BioMed Realty Trust 0.7 $173M 9.1M 19.02
Ii-vi 0.7 $169M 3.4M 49.75
Poly 0.7 $171M 3.3M 51.85
Pall Corporation 0.7 $166M 2.9M 57.61
Kennametal (KMT) 0.7 $165M 4.2M 39.00
Ansys (ANSS) 0.7 $163M 3.0M 54.19
W.W. Grainger (GWW) 0.7 $161M 1.2M 137.68
Shutterfly 0.6 $156M 3.0M 52.36
BOK Financial Corporation (BOKF) 0.6 $152M 2.9M 51.68
Warna 0.6 $153M 2.7M 57.19
J.B. Hunt Transport Services (JBHT) 0.6 $151M 3.3M 45.42
Discover Financial Services (DFS) 0.6 $143M 5.9M 24.12
ESCO Technologies (ESE) 0.6 $140M 3.7M 38.15
Hansen Natural Corporation 0.6 $137M 2.3M 60.23
World Acceptance (WRLD) 0.6 $139M 2.1M 65.20
Global Payments (GPN) 0.6 $135M 2.8M 48.92
Core Laboratories 0.6 $132M 1.3M 102.17
Knoll 0.6 $134M 6.4M 20.96
Eaton Vance 0.5 $128M 4.0M 32.24
Sanmina-SCI Corporation 0.5 $126M 11M 11.21
Leucadia National 0.5 $124M 3.3M 37.54
Concur Technologies 0.5 $123M 2.2M 55.45
Avis Budget (CAR) 0.5 $124M 6.9M 17.91
Moog (MOG.A) 0.5 $123M 2.7M 45.91
Clarcor 0.5 $120M 2.7M 44.93
Valley National Ban (VLY) 0.5 $120M 8.6M 13.96
Cepheid 0.5 $118M 4.2M 28.02
Trimble Navigation (TRMB) 0.5 $117M 2.3M 50.54
Sirona Dental Systems 0.5 $117M 2.3M 50.16
Albemarle Corporation (ALB) 0.5 $116M 1.9M 59.77
Career Education 0.5 $113M 5.0M 22.72
Acuity Brands (AYI) 0.5 $115M 2.0M 58.49
World Fuel Services Corporation (WKC) 0.5 $115M 2.8M 40.61
Avnet (AVT) 0.5 $112M 3.3M 34.09
Discovery Communications 0.5 $111M 3.1M 35.21
Deckers Outdoor Corporation (DECK) 0.5 $112M 1.3M 86.15
Quality Systems 0.5 $111M 1.3M 83.34
AboveNet 0.5 $112M 1.7M 64.86
HEICO Corporation (HEI.A) 0.5 $109M 2.4M 44.98
Life Time Fitness 0.4 $107M 2.9M 37.31
Diamond Foods 0.4 $102M 1.8M 55.80
Associated Banc- (ASB) 0.4 $101M 6.8M 14.85
InterMune 0.4 $100M 2.1M 47.19
SVB Financial (SIVBQ) 0.4 $97M 1.7M 56.93
Safeway 0.4 $98M 4.1M 23.54
Herman Miller (MLKN) 0.4 $97M 3.5M 27.49
WABCO Holdings 0.4 $94M 1.5M 61.64
Melco Crown Entertainment (MLCO) 0.4 $92M 12M 7.60
Edwards Lifesciences (EW) 0.4 $92M 1.1M 87.00
SM Energy (SM) 0.4 $91M 1.2M 74.19
Silver Wheaton Corp 0.4 $91M 2.1M 43.36
Gen-Probe Incorporated 0.4 $90M 1.4M 66.35
Nalco Holding Company 0.4 $89M 3.3M 27.31
TCF Financial Corporation 0.4 $91M 5.7M 15.86
Expedia 0.4 $88M 3.9M 22.66
Microsemi Corporation 0.4 $88M 4.3M 20.71
MB Financial 0.3 $85M 4.1M 20.96
Seattle Genetics 0.3 $86M 5.5M 15.57
Zebra Technologies (ZBRA) 0.3 $85M 2.2M 39.24
McGrath Rent (MGRC) 0.3 $85M 3.1M 27.27
NPS Pharmaceuticals 0.3 $85M 8.9M 9.57
Blackbaud (BLKB) 0.3 $82M 3.0M 27.24
Penn National Gaming (PENN) 0.3 $81M 2.2M 37.06
Thor Industries (THO) 0.3 $81M 2.4M 33.37
Aaron's 0.3 $82M 3.2M 25.36
Saks Incorporated 0.3 $82M 7.2M 11.31
Finisar Corporation 0.3 $82M 3.3M 24.60
Guess? (GES) 0.3 $81M 2.1M 39.35
Blackboard 0.3 $81M 2.2M 36.24
Extra Space Storage (EXR) 0.3 $79M 3.8M 20.71
Pier 1 Imports 0.3 $77M 7.6M 10.15
Constant Contact 0.3 $77M 2.2M 34.90
American Medical Systems Holdings 0.3 $76M 3.5M 21.64
Wisconsin Energy Corporation 0.3 $75M 2.5M 30.50
Pool Corporation (POOL) 0.3 $76M 3.1M 24.11
Plexus (PLXS) 0.3 $76M 2.2M 35.06
Jarden Corporation 0.3 $75M 2.1M 35.57
F5 Networks (FFIV) 0.3 $74M 726k 102.57
Whitney Holding 0.3 $74M 5.5M 13.62
Patterson Companies (PDCO) 0.3 $74M 2.3M 32.19
GrafTech International 0.3 $73M 3.5M 20.63
Vail Resorts (MTN) 0.3 $72M 1.5M 48.76
Federal Realty Inv. Trust 0.3 $72M 883k 81.56
Northeast Utilities System 0.3 $69M 2.0M 34.60
Pinnacle Entertainment 0.3 $70M 5.1M 13.62
GATX Corporation (GATX) 0.3 $69M 1.8M 38.66
Southwestern Energy Company (SWN) 0.3 $71M 1.7M 42.97
Onyx Pharmaceuticals 0.3 $71M 2.0M 35.18
Denbury Resources 0.3 $69M 2.8M 24.40
MF Global Holdings 0.3 $69M 8.4M 8.28
H&E Equipment Services (HEES) 0.3 $67M 3.5M 19.51
Rosetta Resources 0.3 $67M 1.4M 47.54
Rush Enterprises (RUSHA) 0.3 $69M 3.5M 19.80
Phillips-Van Heusen Corporation 0.3 $69M 1.1M 65.03
DuPont Fabros Technology 0.3 $68M 2.8M 24.25
NetSuite 0.3 $67M 2.3M 29.08
Waste Management (WM) 0.3 $65M 1.7M 37.34
Navigant Consulting 0.3 $64M 6.4M 9.99
Sociedad Quimica y Minera (SQM) 0.3 $64M 1.2M 55.26
City National Corporation 0.3 $64M 1.1M 57.05
WNS 0.3 $63M 6.0M 10.55
Ariba 0.3 $64M 1.9M 34.14
True Religion Apparel 0.3 $64M 2.7M 23.47
Hanover Insurance (THG) 0.3 $64M 1.4M 45.25
Interline Brands 0.3 $63M 3.1M 20.40
Heartland Express (HTLD) 0.2 $60M 3.4M 17.56
Entegris (ENTG) 0.2 $60M 6.9M 8.77
Toro Company (TTC) 0.2 $61M 914k 66.22
ON Semiconductor (ON) 0.2 $60M 6.1M 9.87
Dolby Laboratories (DLB) 0.2 $60M 1.2M 49.21
Community Health Systems (CYH) 0.2 $62M 1.5M 39.99
Houston American Energy Corporation 0.2 $60M 3.9M 15.41
Kilroy Realty Corporation (KRC) 0.2 $61M 1.6M 38.83
Waste Connections 0.2 $58M 2.0M 28.79
Health Management Associates 0.2 $57M 5.2M 10.90
New Oriental Education & Tech 0.2 $58M 582k 100.07
SRA International 0.2 $59M 2.1M 28.36
Chico's FAS 0.2 $59M 3.9M 14.90
iGATE Corporation 0.2 $57M 3.0M 18.77
Kaydon Corporation 0.2 $58M 1.5M 39.19
Mine Safety Appliances 0.2 $56M 1.5M 36.67
Associated Estates Realty Corporation 0.2 $56M 3.5M 15.88
Bristow 0.2 $55M 1.2M 47.30
Kenexa Corporation 0.2 $56M 2.0M 27.59
ISIS Pharmaceuticals 0.2 $56M 6.2M 9.04
CAI International 0.2 $57M 2.2M 25.86
American Tower Corporation 0.2 $54M 1.0M 51.82
WMS Industries 0.2 $54M 1.5M 35.35
NVR (NVR) 0.2 $53M 70k 755.99
Equinix 0.2 $53M 579k 91.10
Tesco Corporation 0.2 $53M 2.4M 21.95
NetGear (NTGR) 0.2 $52M 1.6M 32.44
Liberty Global 0.2 $52M 1.3M 41.41
Blue Coat Systems 0.2 $52M 1.8M 28.16
Tyler Technologies (TYL) 0.2 $50M 2.1M 23.71
Corporate Office Properties Trust (CDP) 0.2 $50M 1.4M 36.14
IDEXX Laboratories (IDXX) 0.2 $48M 618k 77.22
Helen Of Troy (HELE) 0.2 $49M 1.7M 29.40
Henry Schein (HSIC) 0.2 $49M 696k 70.17
PAETEC Holding 0.2 $49M 15M 3.34
Digital Realty Trust (DLR) 0.2 $46M 790k 58.14
Ultra Petroleum 0.2 $47M 950k 49.25
Forward Air Corporation (FWRD) 0.2 $46M 1.5M 30.63
Post Properties 0.2 $46M 1.2M 39.25
Textainer Group Holdings 0.2 $46M 1.2M 37.16
Akorn 0.2 $45M 7.8M 5.77
United Therapeutics Corporation (UTHR) 0.2 $46M 682k 67.02
Ixia 0.2 $47M 2.9M 15.88
ExlService Holdings (EXLS) 0.2 $47M 2.2M 21.15
CVB Financial (CVBF) 0.2 $45M 4.8M 9.31
Range Resources (RRC) 0.2 $43M 732k 58.46
Drew Industries 0.2 $43M 1.9M 22.33
Quanta Services (PWR) 0.2 $45M 2.0M 22.43
TriQuint Semiconductor 0.2 $44M 3.4M 12.91
Grupo Aeroportuario del Sureste (ASR) 0.2 $45M 757k 58.77
Nice Systems (NICE) 0.2 $43M 1.2M 36.94
Micromet 0.2 $42M 7.6M 5.61
Virtusa Corporation 0.2 $41M 2.2M 18.73
Carrizo Oil & Gas 0.2 $41M 1.1M 36.93
Canadian Solar (CSIQ) 0.2 $42M 3.7M 11.27
Mobile Mini 0.2 $42M 1.7M 24.02
Tower 0.2 $41M 1.7M 24.03
Wabtec Corporation (WAB) 0.2 $41M 600k 67.83
Albany International (AIN) 0.2 $39M 1.6M 24.90
Haemonetics Corporation (HAE) 0.2 $38M 585k 65.54
Red Hat 0.2 $39M 850k 45.39
HCC Insurance Holdings 0.2 $38M 1.2M 31.31
Choice Hotels International (CHH) 0.2 $40M 1.0M 38.85
Northern Oil & Gas 0.2 $38M 1.4M 26.70
Auxilium Pharmaceuticals 0.1 $36M 1.7M 21.47
Advent Software 0.1 $36M 1.3M 28.67
Dionex Corporation 0.1 $35M 300k 118.05
Willis Group Holdings 0.1 $37M 909k 40.36
Universal Technical Institute (UTI) 0.1 $37M 1.9M 19.45
Cogent Communications (CCOI) 0.1 $36M 2.5M 14.27
Education Realty Trust 0.1 $37M 4.6M 8.03
Oil States International (OIS) 0.1 $37M 485k 76.14
HMS Holdings 0.1 $36M 441k 81.85
Generac Holdings (GNRC) 0.1 $36M 1.8M 20.29
Insperity (NSP) 0.1 $37M 1.2M 30.38
FTI Consulting (FCN) 0.1 $35M 907k 38.33
Delphi Financial 0.1 $33M 1.1M 30.71
ViewPoint Financial 0.1 $34M 2.6M 13.00
Kite Realty Group Trust 0.1 $33M 6.3M 5.31
GT Solar International 0.1 $32M 3.0M 10.66
Talbots 0.1 $33M 5.4M 6.04
AFC Enterprises 0.1 $32M 2.1M 15.13
First Busey Corporation 0.1 $31M 6.2M 5.08
Jack Henry & Associates (JKHY) 0.1 $32M 928k 33.89
Ivanhoe Mines 0.1 $31M 1.1M 27.46
Macerich Company (MAC) 0.1 $31M 629k 49.53
Republic Services (RSG) 0.1 $30M 1.0M 30.04
eResearch Technology 0.1 $29M 4.3M 6.77
Littelfuse (LFUS) 0.1 $29M 500k 57.10
Stratasys 0.1 $30M 630k 47.00
Interface 0.1 $29M 1.6M 18.49
Imax Corp Cad (IMAX) 0.1 $30M 945k 31.98
Sandy Spring Ban (SASR) 0.1 $28M 1.5M 18.46
Cavco Industries (CVCO) 0.1 $28M 629k 45.16
DCT Industrial Trust 0.1 $30M 5.4M 5.55
Pacific Biosciences of California (PACB) 0.1 $30M 2.1M 14.05
Clean Harbors (CLH) 0.1 $28M 280k 98.66
Acxiom Corporation 0.1 $27M 1.9M 14.35
Brown & Brown (BRO) 0.1 $26M 1.0M 25.80
Hanesbrands (HBI) 0.1 $27M 1.0M 27.04
Pericom Semiconductor 0.1 $27M 2.6M 10.37
FMC Corporation (FMC) 0.1 $26M 300k 84.93
Infinera (INFN) 0.1 $26M 3.1M 8.39
IXYS Corporation 0.1 $26M 1.9M 13.43
Applied Micro Circuits Corporation 0.1 $26M 2.5M 10.38
Pan American Silver Corp Can (PAAS) 0.1 $26M 694k 37.13
Supertex 0.1 $27M 1.2M 22.28
Hackett (HCKT) 0.1 $26M 6.8M 3.84
Chelsea Therapeutics International 0.1 $26M 6.7M 3.90
Crocs (CROX) 0.1 $25M 1.4M 17.84
Greif (GEF) 0.1 $23M 355k 65.41
FLIR Systems 0.1 $25M 735k 34.61
Alliance Data Systems Corporation (BFH) 0.1 $24M 275k 85.89
VisionChina Media 0.1 $25M 5.7M 4.33
DSW 0.1 $23M 585k 39.96
Hornbeck Offshore Services 0.1 $25M 793k 30.85
Selective Insurance (SIGI) 0.1 $25M 1.4M 17.30
athenahealth 0.1 $25M 546k 45.13
Silver Standard Res 0.1 $25M 800k 31.38
TriCo Bancshares (TCBK) 0.1 $25M 1.5M 16.31
Globalstar (GSAT) 0.1 $24M 19M 1.27
Savient Pharmaceuticals 0.1 $23M 2.2M 10.60
Alexco Resource Corp 0.1 $25M 2.8M 8.85
GLG Life Tech 0.1 $25M 2.3M 10.55
SPS Commerce (SPSC) 0.1 $25M 1.6M 15.51
Simpson Manufacturing (SSD) 0.1 $21M 700k 29.46
Washington Real Estate Investment Trust (ELME) 0.1 $22M 700k 31.09
TrueBlue (TBI) 0.1 $22M 1.3M 16.79
51job 0.1 $21M 326k 63.93
Quicksilver Resources 0.1 $22M 1.5M 14.31
Nabi Biopharmaceuticals 0.1 $21M 3.7M 5.81
Monolithic Power Systems (MPWR) 0.1 $22M 1.6M 14.19
General Communication 0.1 $22M 2.0M 10.94
Symetra Finl Corp 0.1 $22M 1.6M 13.60
Uti Worldwide 0.1 $20M 1.0M 20.24
Investment Technology 0.1 $20M 1.1M 18.19
Steven Madden (SHOO) 0.1 $19M 400k 46.93
Allete (ALE) 0.1 $20M 500k 38.97
Swift Energy Company 0.1 $19M 452k 42.68
Synthesis Energy Systems 0.1 $19M 6.8M 2.82
Orthofix International Nv Com Stk 0.1 $19M 570k 32.46
Lakeland Financial Corporation (LKFN) 0.1 $20M 882k 22.68
Cabot Oil & Gas Corporation (CTRA) 0.1 $17M 317k 52.97
Lumber Liquidators Holdings (LL) 0.1 $18M 700k 24.99
Tiffany & Co. 0.1 $17M 281k 61.44
THQ 0.1 $18M 3.8M 4.56
Allscripts Healthcare Solutions (MDRX) 0.1 $16M 779k 20.99
Hancock Holding Company (HWC) 0.1 $17M 525k 32.84
Neogen Corporation (NEOG) 0.1 $17M 420k 41.38
MetroPCS Communications 0.1 $16M 1.0M 16.24
Hudson Valley Holding 0.1 $17M 773k 22.00
P.F. Chang's China Bistro 0.1 $14M 300k 46.19
Wilmington Trust Corporation 0.1 $15M 3.3M 4.52
Verisk Analytics (VRSK) 0.1 $15M 450k 32.76
Silgan Holdings (SLGN) 0.1 $15M 400k 38.14
Array BioPharma 0.1 $14M 4.4M 3.06
American Reprographics Company 0.1 $14M 1.3M 10.35
Cheesecake Factory Incorporated (CAKE) 0.1 $14M 450k 30.09
Central European Distribution 0.1 $14M 1.2M 11.35
Pacific Continental Corporation 0.1 $15M 1.5M 10.19
Marlin Business Services 0.1 $15M 1.2M 12.34
Chemspec International (CPC) 0.1 $13M 1.8M 7.37
IFM Investments (CTC) 0.1 $14M 4.1M 3.55
Eagle Ban (EGBN) 0.1 $14M 1.0M 14.05
Summit Hotel Properties (INN) 0.1 $15M 1.5M 9.94
Allos Therapeutics 0.1 $12M 3.7M 3.17
LKQ Corporation (LKQ) 0.1 $13M 520k 24.10
Entravision Communication (EVC) 0.1 $12M 4.5M 2.71
Mueller Water Products (MWA) 0.1 $13M 2.8M 4.48
Nektar Therapeutics (NKTR) 0.1 $13M 1.4M 9.47
Berkshire Hills Ban (BHLB) 0.1 $13M 624k 20.85
Idenix Pharmaceuticals 0.1 $12M 3.6M 3.32
Rush Enterprises (RUSHB) 0.1 $12M 702k 17.39
Anthera Pharmaceuticals 0.1 $13M 1.9M 6.76
Tesla Motors (TSLA) 0.1 $11M 400k 27.70
Bravo Brio Restaurant 0.1 $13M 737k 17.69
Move 0.0 $10M 4.3M 2.39
Blue Nile 0.0 $9.7M 180k 53.99
Provident New York Ban 0.0 $11M 1.0M 10.32
Spartan Motors 0.0 $8.6M 1.3M 6.86
GP Strategies Corporation 0.0 $9.9M 729k 13.60
Veno 0.0 $9.8M 575k 17.09
Gaiam 0.0 $9.9M 1.5M 6.60
Oasis Petroleum 0.0 $9.0M 284k 31.62
Salem Communications (SALM) 0.0 $9.7M 2.6M 3.75
STR Holdings 0.0 $9.6M 500k 19.18
Alimera Sciences 0.0 $8.6M 1.1M 7.80
Kaiser Federal Financial (KFFG) 0.0 $9.9M 805k 12.30
Watsco, Incorporated (WSO) 0.0 $7.0M 100k 69.71
Actuate Corporation 0.0 $7.8M 1.5M 5.20
Owens & Minor (OMI) 0.0 $6.5M 200k 32.48
TheStreet 0.0 $7.6M 2.3M 3.35
RCM Technologies (RCMT) 0.0 $7.1M 1.4M 5.09
Saga Communications (SGA) 0.0 $6.4M 184k 34.78
Zuoan Fashion 0.0 $8.2M 1.2M 6.91
Wet Seal 0.0 $5.4M 1.3M 4.28
VAALCO Energy (EGY) 0.0 $5.8M 750k 7.76
Genesee & Wyoming 0.0 $5.8M 100k 58.20
Toreador Resources Corporation 0.0 $5.6M 521k 10.78
Augusta Res Corp 0.0 $6.0M 1.2M 5.13
Express 0.0 $4.0M 202k 19.54
Nanosphere 0.0 $4.2M 1.3M 3.25
Real Goods Solar 0.0 $5.2M 2.0M 2.65
Lance 0.0 $4.8M 240k 19.85
Noah Holdings (NOAH) 0.0 $4.4M 301k 14.63
Gray Television (GTN) 0.0 $3.6M 1.8M 2.07
Spanish Broadcasting System (SBSA) 0.0 $3.4M 3.6M 0.95
Green Bankshares 0.0 $3.3M 1.2M 2.79
Guaranty Ban 0.0 $2.1M 1.6M 1.29
inContact, Inc . 0.0 $3.3M 1.0M 3.30
Fresh Market 0.0 $3.3M 87k 37.74
Tractor Supply Company (TSCO) 0.0 $479k 8.0k 59.88
U.S. Lime & Minerals (USLM) 0.0 $830k 21k 40.49
EQT Corporation (EQT) 0.0 $699k 14k 49.93