Cortina Asset Management

Cortina Asset Management as of Dec. 31, 2010

Portfolio Holdings for Cortina Asset Management

Cortina Asset Management holds 182 positions in its portfolio as reported in the December 2010 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Crocs (CROX) 3.3 $61M 3.5M 17.12
CommVault Systems (CVLT) 2.5 $46M 1.6M 28.62
NxStage Medical 2.5 $45M 1.8M 24.88
Vocus 2.3 $42M 1.5M 27.66
WMS Industries 2.3 $41M 915k 45.24
Plantronics 1.9 $36M 954k 37.22
Copart (CPRT) 1.8 $32M 864k 37.35
Oasis Petroleum 1.7 $31M 1.2M 27.12
Atmi 1.7 $30M 1.5M 19.94
Frontier Oil Corporation 1.6 $29M 1.6M 18.01
ARGO GROUP INTERNATIONAL Holdi Com Stk 1.5 $28M 749k 37.45
Icon 1.5 $27M 1.2M 21.90
Fortinet (FTNT) 1.5 $27M 836k 32.35
Atlas Energy 1.5 $27M 611k 43.97
Websense 1.4 $26M 1.3M 20.25
Comtech Telecomm (CMTL) 1.4 $25M 916k 27.76
Nanometrics Incorporated 1.4 $26M 2.0M 12.83
Novellus Systems 1.4 $25M 778k 32.32
Mednax (MD) 1.4 $25M 367k 67.29
GrafTech International 1.3 $24M 1.2M 19.84
Blackboard 1.3 $24M 577k 41.30
Cardtronics 1.3 $23M 1.3M 17.70
Korn/Ferry International (KFY) 1.2 $23M 984k 23.11
JDA Software 1.2 $22M 800k 28.00
Carter's (CRI) 1.2 $22M 750k 29.51
Superior Energy Services 1.2 $22M 623k 34.99
Shutterfly 1.2 $21M 602k 34.89
Silicon Laboratories (SLAB) 1.1 $21M 448k 46.02
Signature Bank (SBNY) 1.1 $20M 394k 50.06
RightNow Technologies 1.1 $20M 829k 23.67
Old Dominion Freight Line (ODFL) 1.1 $19M 605k 31.99
SonoSite 1.0 $19M 602k 31.60
Columbia Banking System (COLB) 1.0 $19M 895k 21.06
Landstar System (LSTR) 1.0 $18M 447k 40.94
HMS Holdings 1.0 $18M 284k 64.77
Matrix Service Company (MTRX) 1.0 $18M 1.5M 12.18
Texas Roadhouse (TXRH) 1.0 $18M 1.1M 17.17
Lincare Holdings 1.0 $18M 665k 26.83
Mercury Computer Systems (MRCY) 1.0 $18M 968k 18.38
Orion Marine (ORN) 1.0 $18M 1.5M 11.60
Complete Production Services 0.9 $17M 584k 29.55
Radiant Systems 0.9 $17M 881k 19.57
AMERIGROUP Corporation 0.9 $17M 385k 43.92
Oceaneering International (OII) 0.9 $17M 229k 73.63
Monotype Imaging Holdings 0.9 $17M 1.5M 11.10
Home BancShares (HOMB) 0.9 $16M 746k 22.03
Olympic Steel (ZEUS) 0.8 $15M 538k 28.68
Amerisafe (AMSF) 0.8 $15M 869k 17.50
Duff & Phelps Corporation 0.8 $15M 904k 16.86
ICF International (ICFI) 0.8 $15M 592k 25.72
Knology 0.8 $15M 949k 15.63
Talbots 0.8 $15M 1.7M 8.52
Monro Muffler Brake (MNRO) 0.8 $14M 407k 34.59
LKQ Corporation (LKQ) 0.8 $14M 598k 22.72
Arkansas Best Corporation 0.8 $14M 500k 27.42
Sourcefire 0.7 $13M 516k 25.93
Sabra Health Care REIT (SBRA) 0.7 $13M 705k 18.40
Insituform Technologies 0.7 $12M 463k 26.51
iShares Russell 2000 Index (IWM) 0.6 $12M 147k 78.24
Group 0.6 $11M 900k 12.66
AeroVironment (AVAV) 0.6 $11M 416k 26.83
Globe Specialty Metals 0.6 $11M 639k 17.09
Whiting Petroleum Corporation 0.6 $11M 93k 117.19
Dril-Quip (DRQ) 0.6 $11M 141k 77.72
FXCM 0.6 $11M 802k 13.25
Tower 0.6 $10M 395k 25.60
Granite Construction (GVA) 0.6 $10M 364k 27.43
Westport Innovations 0.5 $9.5M 513k 18.52
Savvis 0.5 $8.5M 332k 25.52
SCBT Financial Corporation 0.4 $7.8M 239k 32.75
Northern Oil & Gas 0.4 $7.3M 267k 27.21
Kronos Worldwide (KRO) 0.4 $7.2M 169k 42.49
Quality Systems 0.4 $6.8M 98k 69.82
Portfolio Recovery Associates 0.4 $6.8M 91k 75.20
ShoreTel 0.4 $6.5M 830k 7.81
KEYW Holding 0.4 $6.5M 445k 14.67
G-III Apparel (GIII) 0.3 $5.9M 169k 35.15
MedAssets 0.3 $6.0M 298k 20.19
Brigham Exploration Company 0.3 $5.9M 216k 27.24
Endologix 0.3 $5.9M 820k 7.15
Volcano Corporation 0.3 $5.6M 206k 27.31
Smith Micro Software 0.3 $5.3M 336k 15.74
Synchronoss Technologies 0.3 $5.3M 197k 26.71
Codexis (CDXS) 0.3 $5.3M 504k 10.60
Actuate Corporation 0.3 $5.1M 903k 5.70
Psychemedics (PMD) 0.3 $4.9M 595k 8.20
Maxwell Technologies 0.3 $4.9M 261k 18.89
NetScout Systems (NTCT) 0.3 $4.9M 214k 23.01
Medidata Solutions 0.3 $4.8M 203k 23.88
Sonic Solutions 0.3 $4.8M 321k 15.00
Ciena Corporation (CIEN) 0.3 $4.7M 222k 21.05
Dick's Sporting Goods (DKS) 0.2 $4.5M 121k 37.50
Entegris (ENTG) 0.2 $4.5M 601k 7.47
Wabash National Corporation (WNC) 0.2 $4.6M 386k 11.85
Chart Industries (GTLS) 0.2 $4.5M 134k 33.78
Luminex Corporation 0.2 $4.6M 254k 18.28
ZOLL Medical Corporation 0.2 $4.4M 118k 37.23
Ulta Salon, Cosmetics & Fragrance (ULTA) 0.2 $4.4M 130k 34.00
Accuray Incorporated (ARAY) 0.2 $4.4M 658k 6.75
North Amern Energy Partners 0.2 $4.4M 362k 12.26
Constant Contact 0.2 $4.4M 142k 30.99
hhgregg (HGGG) 0.2 $4.2M 199k 20.95
Cepheid 0.2 $4.2M 185k 22.75
DemandTec 0.2 $4.2M 392k 10.84
Encore Capital (ECPG) 0.2 $4.0M 170k 23.45
Pinnacle Financial Partners (PNFP) 0.2 $4.1M 301k 13.58
Morgans Hotel 0.2 $4.0M 436k 9.07
Vitran Corp 0.2 $3.9M 300k 13.12
Entropic Communications 0.2 $3.9M 326k 12.08
Rex Energy Corporation 0.2 $3.8M 282k 13.65
Euronet Worldwide (EEFT) 0.2 $3.8M 217k 17.44
Interactive Intelligence 0.2 $3.9M 150k 26.16
Terremark Worldwide 0.2 $3.9M 302k 12.95
BroadSoft 0.2 $3.7M 156k 23.88
LivePerson (LPSN) 0.2 $3.7M 323k 11.30
Semtech Corporation (SMTC) 0.2 $3.6M 161k 22.64
Atheros Communications 0.2 $3.7M 102k 35.92
Stereotaxis 0.2 $3.7M 965k 3.83
Summer Infant 0.2 $3.7M 492k 7.58
Blue Nile 0.2 $3.5M 61k 57.06
Rush Enterprises (RUSHA) 0.2 $3.5M 173k 20.44
Insulet Corporation (PODD) 0.2 $3.5M 223k 15.50
inContact, Inc . 0.2 $3.5M 1.1M 3.28
Obagi Medical Products 0.2 $3.3M 283k 11.55
Applied Micro Circuits Corporation 0.2 $3.3M 307k 10.68
Myriad Genetics (MYGN) 0.2 $3.2M 142k 22.84
Masimo Corporation (MASI) 0.2 $3.2M 112k 29.07
Complete Genomics 0.2 $3.3M 436k 7.47
BE Aerospace 0.2 $3.2M 85k 37.03
Smart Modular Technologies 0.2 $3.1M 538k 5.76
Align Technology (ALGN) 0.2 $3.1M 157k 19.54
Greenhill & Co 0.2 $3.1M 38k 81.67
Dex (DXCM) 0.2 $3.2M 231k 13.65
AboveNet 0.2 $3.1M 54k 58.47
Ezchip Semiconductor Lt 0.2 $3.1M 110k 28.10
Body Central Acquisition Corporation 0.2 $3.1M 214k 14.27
Triangle Petroleum Corporation 0.2 $3.1M 473k 6.50
Voyager Oil & Gas 0.2 $3.1M 576k 5.40
CARBO Ceramics 0.2 $2.9M 28k 103.54
Quidel Corporation 0.2 $2.9M 197k 14.45
Astronics Corporation (ATRO) 0.2 $2.8M 135k 21.00
RTI Biologics 0.2 $2.9M 1.1M 2.67
Vitacost 0.2 $2.9M 1.1M 2.71
AtriCure (ATRC) 0.2 $3.0M 292k 10.27
TeleTech Holdings 0.1 $2.7M 133k 20.59
Texas Capital Bancshares (TCBI) 0.1 $2.7M 128k 21.34
Evercore Partners (EVR) 0.1 $2.8M 82k 34.00
Cirrus Logic (CRUS) 0.1 $2.7M 168k 15.98
Mindspeed Technologies 0.1 $2.7M 444k 6.10
Amerigon Incorporated 0.1 $2.5M 231k 10.88
Willbros 0.1 $2.6M 263k 9.82
SPS Commerce (SPSC) 0.1 $2.6M 165k 15.80
Fuel Systems Solutions 0.1 $2.2M 74k 29.38
Greenbrier Companies (GBX) 0.1 $2.1M 100k 20.99
Primo Water Corporation 0.1 $2.2M 155k 14.21
TechTarget (TTGT) 0.1 $2.2M 274k 7.93
Heritage-Crystal Clean 0.1 $2.1M 207k 10.06
Conceptus 0.1 $1.9M 140k 13.80
Comstock Resources 0.1 $2.0M 82k 24.56
Axcelis Technologies 0.1 $2.1M 598k 3.46
Rentrak Corporation 0.1 $1.9M 62k 30.16
Solta Medical 0.1 $1.8M 578k 3.05
USA Truck 0.1 $1.8M 133k 13.23
FSI International 0.1 $1.9M 423k 4.42
Sharps Compliance 0.1 $1.9M 418k 4.43
Marten Transport (MRTN) 0.1 $1.7M 78k 21.38
Vera Bradley (VRA) 0.1 $1.6M 50k 32.99
GSE Systems 0.1 $1.0M 288k 3.62
Intersil Corporation 0.0 $305k 20k 15.27
Fossil 0.0 $401k 5.7k 70.41
Lazard Ltd-cl A shs a 0.0 $288k 7.3k 39.48
FactSet Research Systems (FDS) 0.0 $274k 2.9k 93.68
Carrizo Oil & Gas 0.0 $317k 9.2k 34.53
Raymond James Financial (RJF) 0.0 $279k 8.5k 32.75
ARM Holdings 0.0 $296k 14k 20.74
Gentex Corporation (GNTX) 0.0 $301k 10k 29.57
American Eagle Outfitters (AEO) 0.0 $176k 12k 14.65
East West Ban (EWBC) 0.0 $214k 11k 19.53
Illumina (ILMN) 0.0 $244k 3.9k 63.21
Concho Resources 0.0 $209k 2.4k 87.82
Qiagen 0.0 $243k 12k 19.59
Intrepid Potash 0.0 $236k 6.3k 37.34