Granahan Investment Management

Granahan Investment Management as of March 31, 2015

Portfolio Holdings for Granahan Investment Management

Granahan Investment Management holds 231 positions in its portfolio as reported in the March 2015 quarterly 13F filing

Company (Ticker)
Portfolio Weight
Valued At
Change in Shares
Share Count
Share Price
Affiliated Managers (AMG) 1.8 $62M 290k 214.78
Advisory Board Company 1.7 $60M 1.1M 53.28
RBC Bearings Incorporated (RBC) 1.5 $52M 677k 76.54
TASER International 1.4 $50M 2.1M 24.11
SPS Commerce (SPSC) 1.4 $50M 744k 67.10
CoStar (CSGP) 1.4 $49M 247k 197.83
Imax Corp Cad (IMAX) 1.4 $49M 1.4M 33.71
Infoblox 1.4 $48M 2.0M 23.87
Ruckus Wireless 1.3 $45M 3.5M 12.87
Ultimate Software 1.2 $43M 251k 169.95
Om 1.2 $43M 1.4M 30.03
Super Micro Computer 1.2 $43M 1.3M 33.21
Radware Ltd ord (RDWR) 1.2 $42M 2.0M 20.91
Red Hat 1.2 $42M 551k 75.75
West Pharmaceutical Services (WST) 1.2 $41M 675k 60.21
Bruker Corporation (BRKR) 1.1 $39M 2.1M 18.47
LivePerson (LPSN) 1.1 $38M 3.7M 10.24
Euronet Worldwide (EEFT) 1.1 $37M 636k 58.75
Constant Contact 1.1 $37M 957k 38.21
Bio-Rad Laboratories (BIO) 1.0 $36M 270k 135.18
Stag Industrial (STAG) 1.0 $35M 1.5M 23.52
Mettler-Toledo International (MTD) 1.0 $35M 106k 328.65
Alkermes (ALKS) 1.0 $35M 569k 60.97
Crocs (CROX) 1.0 $34M 2.9M 11.81
Tennant Company (TNC) 1.0 $34M 521k 65.37
Kennametal (KMT) 1.0 $33M 992k 33.69
2060000 Power Solutions International (PSIX) 1.0 $34M 524k 64.29
Pandora Media 0.9 $32M 2.0M 16.21
Five Below (FIVE) 0.9 $32M 907k 35.57
Gigamon 0.9 $32M 1.5M 21.24
FactSet Research Systems (FDS) 0.9 $32M 200k 159.20
Finisar Corporation 0.9 $32M 1.5M 21.34
Sucampo Pharmaceuticals 0.9 $31M 2.0M 15.56
Virtusa Corporation 0.9 $31M 747k 41.38
Kaman Corporation 0.9 $31M 729k 42.43
Mellanox Technologies 0.9 $31M 672k 45.34
Ptc (PTC) 0.9 $30M 826k 36.17
Brooks Automation (AZTA) 0.8 $30M 2.5M 11.63
Silicon Laboratories (SLAB) 0.8 $28M 552k 50.77
DXP Enterprises (DXPE) 0.8 $28M 625k 44.09
Buffalo Wild Wings 0.8 $27M 151k 181.24
Qiagen 0.8 $27M 1.1M 25.20
Tetraphase Pharmaceuticals 0.8 $26M 721k 36.64
WNS 0.8 $26M 1.1M 24.32
Genesee & Wyoming 0.7 $26M 267k 96.44
Cardiovascular Systems 0.7 $25M 650k 39.04
Intersil Corporation 0.7 $25M 1.8M 14.32
Cadence Design Systems (CDNS) 0.7 $25M 1.4M 18.44
Zeltiq Aesthetics 0.7 $25M 802k 30.83
Demandware 0.7 $25M 408k 60.90
Nektar Therapeutics (NKTR) 0.7 $24M 2.2M 11.00
Cognex Corporation (CGNX) 0.7 $24M 485k 49.59
John Bean Technologies Corporation 0.7 $24M 674k 35.72
iRobot Corporation (IRBT) 0.7 $24M 727k 32.63
Perficient (PRFT) 0.7 $24M 1.1M 20.69
Teradyne (TER) 0.7 $23M 1.2M 18.85
Vertex Pharmaceuticals Incorporated (VRTX) 0.7 $23M 194k 117.97
Qualys (QLYS) 0.6 $22M 468k 46.48
Esperion Therapeutics (ESPR) 0.6 $22M 233k 92.60
Spectranetics Corporation 0.6 $21M 592k 34.76
Qlik Technologies 0.6 $20M 655k 31.13
Douglas Dynamics (PLOW) 0.6 $20M 884k 22.84
Francescas Hldgs Corp 0.6 $20M 1.1M 17.80
Modine Manufacturing (MOD) 0.6 $19M 1.4M 13.47
Homeaway 0.5 $19M 631k 30.17
Proofpoint 0.5 $19M 319k 59.22
Churchill Downs (CHDN) 0.5 $18M 160k 114.97
Microsemi Corporation 0.5 $18M 510k 35.40
Cynosure 0.5 $18M 593k 30.67
Schweitzer-Mauduit International (MATV) 0.5 $18M 389k 46.12
Imperva 0.5 $18M 414k 42.70
Acceleron Pharma 0.5 $18M 470k 38.06
PROS Holdings (PRO) 0.5 $17M 697k 24.71
Hibbett Sports (HIBB) 0.5 $17M 336k 49.06
Deckers Outdoor Corporation (DECK) 0.5 $17M 227k 72.87
Invensense 0.5 $17M 1.1M 15.21
Grubhub 0.5 $16M 360k 45.39
Tyler Technologies (TYL) 0.5 $16M 133k 120.53
Scotts Miracle-Gro Company (SMG) 0.5 $16M 241k 67.17
Aruba Networks 0.5 $16M 651k 24.49
TiVo 0.4 $16M 1.5M 10.61
Clean Harbors (CLH) 0.4 $15M 267k 56.78
Monotype Imaging Holdings 0.4 $15M 461k 32.64
Brocade Communications Systems 0.4 $15M 1.3M 11.87
CONMED Corporation (CNMD) 0.4 $15M 290k 50.49
Safeguard Scientifics 0.4 $15M 811k 18.08
2u 0.4 $15M 577k 25.58
Grand Canyon Education (LOPE) 0.4 $14M 331k 43.30
Monolithic Power Systems (MPWR) 0.4 $14M 272k 52.65
Opus Bank 0.4 $14M 463k 30.88
Mobile Mini 0.4 $14M 332k 42.64
Synchronoss Technologies 0.4 $14M 296k 47.46
Paylocity Holding Corporation (PCTY) 0.4 $14M 493k 28.64
Comfort Systems USA (FIX) 0.4 $14M 652k 21.04
Vascular Solutions 0.4 $14M 452k 30.32
MarineMax (HZO) 0.4 $13M 496k 26.51
Celadon (CGIP) 0.4 $13M 484k 27.22
Rockwell Medical Technologies 0.4 $13M 1.2M 10.93
Zafgen 0.4 $13M 328k 39.61
Cabela's Incorporated 0.4 $12M 222k 55.98
Under Armour (UAA) 0.4 $13M 157k 80.75
IPG Photonics Corporation (IPGP) 0.4 $13M 136k 92.70
Exponent (EXPO) 0.4 $13M 143k 88.90
EXACT Sciences Corporation (EXAS) 0.4 $13M 578k 22.02
Linkedin Corp 0.4 $13M 50k 249.87
Endurance Intl Group Hldgs I 0.4 $13M 664k 19.06
Callaway Golf Company (MODG) 0.3 $12M 1.3M 9.53
Rentrak Corporation 0.3 $12M 222k 55.56
BroadSoft 0.3 $12M 364k 33.46
Epam Systems (EPAM) 0.3 $12M 202k 61.29
Wabash National Corporation (WNC) 0.3 $12M 835k 14.10
Quaker Chemical Corporation (KWR) 0.3 $12M 137k 85.64
Allot Communications (ALLT) 0.3 $12M 1.4M 8.79
Alliance Data Systems Corporation (BFH) 0.3 $11M 38k 296.25
Inphi Corporation 0.3 $11M 638k 17.83
Knight Transportation 0.3 $11M 348k 32.25
Hawaiian Holdings 0.3 $11M 501k 22.03
Brinker International (EAT) 0.3 $11M 180k 61.56
Ii-vi 0.3 $11M 590k 18.46
Syneron Medical Ltd ord 0.3 $11M 874k 12.38
Littelfuse (LFUS) 0.3 $11M 110k 99.39
PriceSmart (PSMT) 0.3 $11M 127k 84.98
AtriCure (ATRC) 0.3 $11M 525k 20.49
Cutera (CUTR) 0.3 $11M 812k 12.92
Ligand Pharmaceuticals In (LGND) 0.3 $11M 137k 77.11
Ascena Retail 0.3 $11M 726k 14.51
Aspen Technology 0.3 $10M 266k 38.49
Fiesta Restaurant 0.3 $10M 167k 61.00
Smart Balance 0.3 $10M 1.1M 9.53
Progress Software Corporation (PRGS) 0.3 $9.6M 355k 27.17
Apogee Enterprises (APOG) 0.3 $9.6M 223k 43.20
FEI Company 0.3 $9.8M 129k 76.34
Actua Corporation 0.3 $9.9M 642k 15.49
JetBlue Airways Corporation (JBLU) 0.3 $9.4M 490k 19.25
Rush Enterprises (RUSHA) 0.3 $9.4M 343k 27.36
DURECT Corporation 0.3 $9.3M 4.9M 1.91
Harvard Bioscience (HBIO) 0.3 $9.5M 1.6M 5.82
CECO Environmental (CECO) 0.3 $9.3M 873k 10.61
Boyd Gaming Corporation (BYD) 0.3 $9.0M 633k 14.20
Brunswick Corporation (BC) 0.3 $9.0M 175k 51.45
Titan Machinery (TITN) 0.2 $8.7M 651k 13.35
Fleetmatics 0.2 $8.4M 187k 44.85
Cinemark Holdings (CNK) 0.2 $8.0M 177k 45.07
Lithia Motors (LAD) 0.2 $8.2M 83k 99.41
Kona Grill 0.2 $8.1M 284k 28.42
Cvent 0.2 $8.0M 285k 28.04
Proto Labs (PRLB) 0.2 $7.6M 109k 70.00
Gentherm (THRM) 0.2 $7.6M 151k 50.51
Natural Grocers By Vitamin C (NGVC) 0.2 $7.6M 275k 27.61
Power Integrations (POWI) 0.2 $7.2M 139k 52.08
OSI Systems (OSIS) 0.2 $7.3M 98k 74.26
ShoreTel 0.2 $7.3M 1.1M 6.82
Echo Global Logistics 0.2 $7.3M 268k 27.26
Sodastream International 0.2 $7.5M 368k 20.26
Sage Therapeutics (SAGE) 0.2 $7.5M 149k 50.23
Yodlee 0.2 $7.5M 557k 13.46
Textura 0.2 $7.1M 260k 27.18
Ceva (CEVA) 0.2 $6.7M 313k 21.32
BJ's Restaurants (BJRI) 0.2 $6.8M 134k 50.45
Primoris Services (PRIM) 0.2 $6.6M 384k 17.19
Albany International (AIN) 0.2 $6.2M 157k 39.75
Ptc Therapeutics I (PTCT) 0.2 $6.4M 105k 60.85
Care 0.2 $6.1M 811k 7.58
FARO Technologies (FARO) 0.2 $6.1M 98k 62.13
Harris & Harris 0.2 $5.9M 1.9M 3.08
LeMaitre Vascular (LMAT) 0.2 $6.1M 724k 8.38
Acelrx Pharmaceuticals 0.2 $5.9M 1.5M 3.86
Skullcandy 0.2 $6.0M 535k 11.30
NeoGenomics (NEO) 0.2 $5.7M 1.2M 4.67
Black Diamond 0.2 $5.6M 595k 9.45
Adeptus Health Inc-class A 0.2 $5.6M 112k 50.22
Rudolph Technologies 0.1 $5.2M 475k 11.02
Oxford Industries (OXM) 0.1 $4.8M 64k 75.45
Ovascience 0.1 $4.9M 141k 34.73
Nimble Storage 0.1 $4.9M 219k 22.31
Upland Software (UPLD) 0.1 $4.8M 686k 7.01
Global Cash Access Holdings 0.1 $4.4M 577k 7.62
Skechers USA (SKX) 0.1 $4.4M 61k 71.92
KAR Auction Services (KAR) 0.1 $4.7M 123k 37.93
Gtt Communications 0.1 $4.6M 243k 18.88
Zoe's Kitchen 0.1 $4.6M 139k 33.29
STAAR Surgical Company (STAA) 0.1 $4.3M 581k 7.43
Pericom Semiconductor 0.1 $4.1M 266k 15.47
Superior Energy Services 0.1 $4.3M 194k 22.34
Sanchez Energy Corp C ommon stocks 0.1 $4.1M 314k 13.01
ImmunoGen 0.1 $3.8M 419k 8.95
Landec Corporation (LFCR) 0.1 $3.8M 271k 13.95
Ironwood Pharmaceuticals (IRWD) 0.1 $3.7M 231k 16.00
Sotherly Hotels (SOHO) 0.1 $3.8M 505k 7.61
Enserv 0.1 $3.9M 2.2M 1.75
RPC (RES) 0.1 $3.4M 262k 12.81
Akorn 0.1 $3.6M 76k 47.52
Calavo Growers (CVGW) 0.1 $3.6M 69k 51.42
Riverbed Technology 0.1 $3.3M 160k 20.91
Tesla Motors (TSLA) 0.1 $3.4M 18k 188.75
Performance Sports 0.1 $3.4M 175k 19.50
InnerWorkings 0.1 $3.2M 475k 6.72
Lawson Products (DSGR) 0.1 $3.0M 129k 23.21
Envestnet (ENV) 0.1 $3.0M 54k 56.08
Sarepta Therapeutics (SRPT) 0.1 $3.3M 246k 13.28
Aerohive Networks 0.1 $3.2M 716k 4.46
Maxpoint Interactive 0.1 $3.1M 324k 9.58
Makemytrip Limited Mauritius (MMYT) 0.1 $2.8M 127k 21.96
Manitex International 0.1 $2.7M 280k 9.73
Digimarc Corporation (DMRC) 0.1 $2.3M 107k 21.95
Hudson Technologies (HDSN) 0.1 $2.6M 614k 4.17
Jamba 0.1 $2.5M 172k 14.71
La Jolla Pharmaceuticl Com Par 0.1 $2.6M 142k 18.30
Paratek Pharmaceuticals 0.1 $2.4M 76k 31.26
Key Energy Services 0.1 $2.2M 1.2M 1.82
Derma Sciences 0.1 $2.1M 248k 8.47
Del Friscos Restaurant 0.1 $2.1M 104k 20.15
Hyperion Therapeutics 0.1 $2.3M 49k 45.89
Dick's Sporting Goods (DKS) 0.1 $1.9M 33k 56.98
Abercrombie & Fitch (ANF) 0.1 $1.8M 82k 22.04
Basic Energy Services 0.1 $1.7M 245k 6.93
Agile Therapeutics 0.1 $1.7M 182k 9.27
Cerulean Pharma 0.1 $1.7M 192k 9.01
Sangamo Biosciences (SGMO) 0.0 $1.5M 95k 15.68
BioDelivery Sciences International 0.0 $1.4M 137k 10.50
Cornerstone Ondemand 0.0 $1.5M 50k 28.89
Prothena (PRTA) 0.0 $1.3M 34k 38.15
Diversified Restaurant Holdi 0.0 $1.3M 310k 4.20
Infinera (INFN) 0.0 $905k 46k 19.67
AVEO Pharmaceuticals 0.0 $993k 685k 1.45
Sparton Corporation 0.0 $1.1M 46k 24.50
Harvard Apparatus Regener Te 0.0 $1.1M 326k 3.25
Pain Therapeutics 0.0 $654k 346k 1.89
Enzo Biochem (ENZ) 0.0 $786k 267k 2.95
Nanosphere 0.0 $608k 2.6M 0.23
Diamond Foods 0.0 $460k 14k 32.56