Granahan Investment Management

Granahan Investment Management as of Dec. 31, 2014

Portfolio Holdings for Granahan Investment Management

Granahan Investment Management holds 211 positions in its portfolio as reported in the December 2014 quarterly 13F filing

Company (Ticker)
Portfolio Weight
Valued At
Change in Shares
Share Count
Share Price
Affiliated Managers (AMG) 1.9 $64M 299k 212.24
Alkermes (ALKS) 1.7 $57M 972k 58.56
Imax Corp Cad (IMAX) 1.6 $57M 1.8M 30.90
Nektar Therapeutics (NKTR) 1.6 $54M 3.5M 15.50
Crocs (CROX) 1.5 $53M 4.2M 12.49
TASER International 1.5 $52M 2.0M 26.48
LivePerson (LPSN) 1.5 $52M 3.7M 14.10
Euronet Worldwide (EEFT) 1.4 $49M 892k 54.90
Super Micro Computer 1.4 $48M 1.4M 34.88
Ptc Therapeutics I (PTCT) 1.3 $45M 869k 51.77
Radware Ltd ord (RDWR) 1.3 $44M 2.0M 22.02
RBC Bearings Incorporated (RBC) 1.3 $44M 676k 64.53
CoStar (CSGP) 1.3 $43M 235k 183.63
Om 1.2 $43M 1.4M 29.80
Bruker Corporation (BRKR) 1.2 $41M 2.1M 19.62
Buffalo Wild Wings 1.2 $41M 228k 180.38
Pandora Media 1.2 $41M 2.3M 17.83
Ruckus Wireless 1.2 $40M 3.4M 12.02
Five Below (FIVE) 1.2 $40M 981k 40.83
Red Hat 1.1 $39M 559k 69.14
West Pharmaceutical Services (WST) 1.1 $39M 728k 53.24
SPS Commerce (SPSC) 1.1 $38M 678k 56.63
Tennant Company (TNC) 1.1 $37M 517k 72.17
Advisory Board Company 1.1 $37M 745k 48.98
Stag Industrial (STAG) 1.1 $37M 1.5M 24.50
Constant Contact 1.1 $37M 994k 36.70
Infoblox 1.1 $36M 1.8M 20.21
Kennametal (KMT) 1.0 $35M 988k 35.79
Deckers Outdoor Corporation (DECK) 1.0 $34M 378k 91.04
Ptc (PTC) 1.0 $33M 906k 36.65
Bio-Rad Laboratories (BIO) 0.9 $32M 269k 120.56
Mettler-Toledo International (MTD) 0.9 $32M 106k 302.46
Ultimate Software 0.9 $31M 209k 146.82
Zeltiq Aesthetics 0.9 $30M 1.1M 27.91
Virtusa Corporation 0.9 $30M 719k 41.67
Kaman Corporation 0.9 $29M 731k 40.09
Auxilium Pharmaceuticals 0.8 $28M 812k 34.39
FactSet Research Systems (FDS) 0.8 $28M 200k 140.75
Finisar Corporation 0.8 $28M 1.5M 19.41
iRobot Corporation (IRBT) 0.8 $28M 807k 34.72
Mellanox Technologies 0.8 $28M 661k 42.73
Francescas Hldgs Corp 0.8 $28M 1.7M 16.70
Monotype Imaging Holdings 0.8 $27M 933k 28.83
Silicon Laboratories (SLAB) 0.8 $27M 565k 47.62
Churchill Downs (CHDN) 0.8 $26M 272k 95.30
Gigamon 0.8 $26M 1.5M 17.73
Aruba Networks 0.7 $25M 1.4M 18.18
Teradyne (TER) 0.7 $25M 1.3M 19.79
Intersil Corporation 0.7 $25M 1.7M 14.47
TiVo 0.7 $25M 2.1M 11.84
Schweitzer-Mauduit International (MATV) 0.7 $25M 581k 42.30
Tetraphase Pharmaceuticals 0.7 $25M 619k 39.71
Cadence Design Systems (CDNS) 0.7 $24M 1.3M 18.97
DXP Enterprises (DXPE) 0.7 $24M 483k 50.53
Brinker International (EAT) 0.7 $23M 396k 58.69
Under Armour (UAA) 0.7 $23M 342k 67.90
Vertex Pharmaceuticals Incorporated (VRTX) 0.7 $23M 194k 118.80
2060000 Power Solutions International (PSIX) 0.7 $22M 434k 51.61
Grand Canyon Education (LOPE) 0.6 $22M 461k 46.66
WNS 0.6 $22M 1.0M 20.66
Riverbed Technology 0.6 $22M 1.1M 20.41
PriceSmart (PSMT) 0.6 $21M 231k 91.22
Cognex Corporation (CGNX) 0.6 $21M 501k 41.33
John Bean Technologies Corporation 0.6 $20M 621k 32.86
Perficient (PRFT) 0.6 $20M 1.1M 18.63
Genesee & Wyoming 0.6 $20M 223k 89.92
Qualys (QLYS) 0.6 $20M 538k 37.75
Qiagen 0.6 $19M 827k 23.46
Sucampo Pharmaceuticals 0.6 $19M 1.4M 14.28
Imperva 0.6 $19M 391k 49.43
Qlik Technologies 0.6 $19M 612k 30.89
Douglas Dynamics (PLOW) 0.6 $19M 885k 21.43
Scotts Miracle-Gro Company (SMG) 0.5 $18M 293k 62.32
Callaway Golf Company (MODG) 0.5 $18M 2.3M 7.70
Hibbett Sports (HIBB) 0.5 $18M 371k 48.43
Modine Manufacturing (MOD) 0.5 $17M 1.3M 13.60
PROS Holdings (PRO) 0.5 $17M 625k 27.48
Exponent (EXPO) 0.5 $17M 204k 82.50
Homeaway 0.5 $17M 562k 29.78
Ascena Retail 0.5 $17M 1.3M 12.56
Invensense 0.5 $16M 1.0M 16.26
Smart Balance 0.5 $17M 1.5M 11.06
Pantry 0.5 $16M 431k 37.06
BJ's Restaurants (BJRI) 0.5 $16M 323k 50.21
Cardiovascular Systems 0.5 $16M 540k 30.08
Safeguard Scientifics 0.5 $16M 814k 19.82
Dick's Sporting Goods (DKS) 0.5 $16M 315k 49.65
Cabela's Incorporated 0.5 $15M 293k 52.71
Monolithic Power Systems (MPWR) 0.4 $15M 305k 49.74
CECO Environmental (CECO) 0.4 $15M 981k 15.54
Mobile Mini 0.4 $15M 359k 40.51
Brocade Communications Systems 0.4 $14M 1.2M 11.84
Tyler Technologies (TYL) 0.4 $14M 129k 109.44
Natural Grocers By Vitamin C (NGVC) 0.4 $14M 499k 28.17
Microsemi Corporation 0.4 $14M 486k 28.38
Brooks Automation (AZTA) 0.4 $13M 1.0M 12.75
IPG Photonics Corporation (IPGP) 0.4 $13M 168k 74.92
Vascular Solutions 0.4 $13M 467k 27.16
Epam Systems (EPAM) 0.4 $13M 266k 47.75
Fiesta Restaurant 0.4 $13M 207k 60.80
E2open 0.4 $13M 1.3M 9.61
Quaker Chemical Corporation (KWR) 0.4 $13M 136k 92.04
Rockwell Medical Technologies 0.4 $12M 1.2M 10.28
EXACT Sciences Corporation (EXAS) 0.3 $12M 439k 27.44
Acceleron Pharma 0.3 $12M 306k 38.96
Knight Transportation 0.3 $12M 348k 33.66
MarineMax (HZO) 0.3 $12M 575k 20.05
Cynosure 0.3 $12M 426k 27.42
Proofpoint 0.3 $12M 240k 48.23
Allot Communications (ALLT) 0.3 $11M 1.2M 9.18
Linkedin Corp 0.3 $12M 50k 229.71
Actua Corporation 0.3 $11M 618k 18.47
Alliance Data Systems Corporation (BFH) 0.3 $11M 37k 286.05
Littelfuse (LFUS) 0.3 $11M 110k 96.67
Black Diamond 0.3 $11M 1.2M 8.75
Clean Harbors (CLH) 0.3 $10M 217k 48.05
Acelrx Pharmaceuticals 0.3 $10M 1.5M 6.73
FEI Company 0.3 $9.9M 110k 90.35
Progress Software Corporation (PRGS) 0.3 $9.6M 355k 27.02
Synchronoss Technologies 0.3 $9.5M 226k 41.86
Brunswick Corporation (BC) 0.3 $9.2M 179k 51.26
Titan Machinery (TITN) 0.3 $9.1M 656k 13.94
Aspen Technology 0.3 $9.4M 268k 35.02
Harvard Bioscience (HBIO) 0.3 $9.3M 1.6M 5.67
Entropic Communications 0.3 $9.1M 3.6M 2.53
Gentherm (THRM) 0.3 $9.1M 248k 36.62
Cinemark Holdings (CNK) 0.3 $9.0M 253k 35.58
Sarepta Therapeutics (SRPT) 0.3 $9.0M 625k 14.47
Syneron Medical Ltd ord 0.2 $8.1M 871k 9.33
Celadon (CGIP) 0.2 $8.2M 360k 22.69
JetBlue Airways Corporation (JBLU) 0.2 $7.8M 490k 15.86
ShoreTel 0.2 $7.7M 1.1M 7.35
Cutera (CUTR) 0.2 $7.9M 741k 10.68
Comfort Systems USA (FIX) 0.2 $7.8M 456k 17.12
Abercrombie & Fitch (ANF) 0.2 $7.5M 262k 28.64
Sodastream International 0.2 $7.4M 368k 20.12
Stratasys (SSYS) 0.2 $7.5M 90k 83.11
Care 0.2 $7.5M 901k 8.28
Power Integrations (POWI) 0.2 $7.2M 140k 51.74
Ii-vi 0.2 $7.3M 538k 13.65
Oxford Industries (OXM) 0.2 $7.1M 128k 55.21
KAR Auction Services (KAR) 0.2 $7.3M 211k 34.65
AtriCure (ATRC) 0.2 $7.3M 367k 19.96
STAAR Surgical Company (STAA) 0.2 $6.7M 741k 9.11
Global Cash Access Holdings 0.2 $6.9M 962k 7.15
OSI Systems (OSIS) 0.2 $6.9M 98k 70.77
Demandware 0.2 $6.7M 117k 57.54
Prosensa Hldgs B V Shs Usd 0.2 $6.7M 360k 18.75
Endurance Intl Group Hldgs I 0.2 $7.0M 381k 18.43
Upland Software (UPLD) 0.2 $6.8M 714k 9.56
Inphi Corporation 0.2 $6.6M 355k 18.48
Ubiquiti Networks 0.2 $6.4M 215k 29.64
WebMD Health 0.2 $6.1M 155k 39.55
InnerWorkings 0.2 $5.9M 754k 7.79
Skechers USA (SKX) 0.2 $5.8M 105k 55.25
Harris & Harris 0.2 $5.8M 2.0M 2.95
Ceva (CEVA) 0.2 $5.6M 306k 18.14
LeMaitre Vascular (LMAT) 0.2 $5.5M 714k 7.65
Paylocity Holding Corporation (PCTY) 0.2 $5.4M 207k 26.11
Landec Corporation (LFCR) 0.1 $5.0M 361k 13.81
BroadSoft 0.1 $5.2M 178k 29.02
RealD 0.1 $5.0M 424k 11.80
NeoGenomics (NEO) 0.1 $5.3M 1.3M 4.17
Rudolph Technologies 0.1 $4.8M 471k 10.23
Kona Grill 0.1 $4.8M 208k 23.09
Del Friscos Restaurant 0.1 $4.9M 207k 23.74
Zulily Inc cl a 0.1 $4.9M 210k 23.40
Pericom Semiconductor 0.1 $4.4M 328k 13.54
Cornerstone Ondemand 0.1 $4.4M 125k 35.20
McGrath Rent (MGRC) 0.1 $4.1M 114k 35.86
Rentrak Corporation 0.1 $3.9M 54k 72.81
Tesla Motors (TSLA) 0.1 $4.0M 18k 222.42
DURECT Corporation 0.1 $3.8M 4.8M 0.79
Sotherly Hotels (SOHO) 0.1 $3.9M 523k 7.50
Enserv 0.1 $3.6M 2.2M 1.61
RPC (RES) 0.1 $3.4M 262k 13.04
Calavo Growers (CVGW) 0.1 $3.5M 75k 47.30
Textura 0.1 $3.3M 118k 28.47
La Jolla Pharmaceuticl Com Par 0.1 $3.6M 195k 18.45
Zafgen 0.1 $3.3M 108k 30.84
Steiner Leisure Ltd Com Stk 0.1 $3.2M 69k 46.22
Echo Global Logistics 0.1 $3.2M 108k 29.20
Derma Sciences 0.1 $3.1M 329k 9.31
Nimble Storage 0.1 $3.0M 108k 27.50
Aerohive Networks 0.1 $3.1M 644k 4.80
Gtt Communications 0.1 $3.2M 244k 13.23
Envestnet (ENV) 0.1 $2.7M 54k 49.13
ImmunoGen 0.1 $2.5M 414k 6.10
Manitex International 0.1 $2.5M 198k 12.71
Zumiez (ZUMZ) 0.1 $2.1M 55k 38.63
DigitalGlobe 0.1 $2.2M 70k 30.97
Diversified Restaurant Holdi 0.1 $2.0M 396k 5.16
Basic Energy Services 0.1 $1.7M 245k 7.01
BioDelivery Sciences International 0.1 $1.7M 141k 12.02
Sparton Corporation 0.1 $1.8M 63k 28.33
Atwood Oceanics 0.0 $1.3M 45k 28.36
Rush Enterprises (RUSHA) 0.0 $1.5M 46k 32.04
Enzo Biochem (ENZ) 0.0 $1.2M 276k 4.44
Zix Corporation 0.0 $1.4M 392k 3.60
Alpha Natural Resources 0.0 $1.1M 629k 1.67
Key Energy Services 0.0 $930k 557k 1.67
Superior Energy Services 0.0 $920k 46k 20.14
Nanosphere 0.0 $1.0M 2.7M 0.39
Harvard Apparatus Regener Te 0.0 $1.1M 349k 3.18
Zendesk 0.0 $1.2M 48k 24.36
Pain Therapeutics 0.0 $698k 344k 2.03
Liquidity Services (LQDT) 0.0 $535k 66k 8.17
AVEO Pharmaceuticals 0.0 $568k 677k 0.84
Prothena (PRTA) 0.0 $704k 34k 20.77
ARC GROUP Worldwide (RMTO) 0.0 $339k 33k 10.14
James River Coal Company 0.0 $11k 557k 0.02