Essex Investment Management

Essex Investment Management as of March 31, 2015

Portfolio Holdings for Essex Investment Management

Essex Investment Management holds 316 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
WisdomTree Investments (WT) 2.7 $19M 884k 21.46
Palo Alto Networks (PANW) 2.7 $19M 130k 146.08
Apple (AAPL) 2.2 $16M 129k 124.43
Bristol Myers Squibb (BMY) 2.1 $15M 231k 64.50
Gilead Sciences (GILD) 2.0 $14M 143k 98.13
Walt Disney Company (DIS) 1.9 $14M 132k 104.89
Incyte Corporation (INCY) 1.9 $14M 150k 91.66
Facebook Inc cl a (META) 1.8 $13M 156k 82.21
Celgene Corporation 1.8 $13M 109k 115.28
JetBlue Airways Corporation (JBLU) 1.5 $11M 567k 19.25
Morgan Stanley (MS) 1.5 $11M 301k 35.69
Linkedin Corp 1.4 $10M 41k 249.85
Sunedison 1.4 $10M 421k 24.00
salesforce (CRM) 1.4 $9.9M 148k 66.81
Cyberark Software (CYBR) 1.4 $9.7M 175k 55.57
Abbvie (ABBV) 1.3 $9.2M 157k 58.54
Boeing Company (BA) 1.3 $9.0M 60k 150.08
Aerie Pharmaceuticals 1.2 $8.9M 284k 31.34
Goldman Sachs (GS) 1.1 $7.9M 42k 187.97
Ultimate Software 1.1 $7.8M 46k 169.96
Integrated Device Technology 1.1 $7.6M 380k 20.02
Cardiovascular Systems 1.0 $7.4M 191k 39.04
McGraw-Hill Companies 1.0 $7.3M 71k 103.40
EOG Resources (EOG) 1.0 $7.3M 80k 91.69
Actavis 1.0 $7.3M 25k 297.62
Twitter 1.0 $6.9M 138k 50.08
Opko Health (OPK) 0.9 $6.7M 475k 14.17
Mobileye 0.9 $6.7M 159k 42.03
2u (TWOU) 0.9 $6.6M 258k 25.58
Box Inc cl a (BOX) 0.9 $6.5M 328k 19.75
Akamai Technologies (AKAM) 0.9 $6.4M 90k 71.05
ConocoPhillips (COP) 0.9 $6.4M 102k 62.26
First Solar (FSLR) 0.9 $6.4M 107k 59.79
Intuit (INTU) 0.9 $6.3M 65k 96.95
Medivation 0.9 $6.2M 48k 129.08
Grubhub 0.9 $6.1M 135k 45.39
Mellanox Technologies 0.8 $6.1M 134k 45.34
Google Inc Class C 0.8 $6.1M 11k 548.03
Google 0.8 $5.7M 10k 554.69
Yahoo! 0.8 $5.7M 129k 44.43
BioMarin Pharmaceutical (BMRN) 0.8 $5.6M 45k 124.62
Randgold Resources 0.8 $5.4M 78k 69.27
Shake Shack Inc cl a (SHAK) 0.8 $5.4M 108k 50.05
Acuity Brands (AYI) 0.7 $5.3M 31k 168.17
Fireeye 0.7 $5.2M 132k 39.25
Schlumberger (SLB) 0.7 $4.9M 59k 83.44
NetSuite 0.7 $4.8M 52k 92.76
Agnico (AEM) 0.6 $4.6M 164k 27.94
Biogen Idec (BIIB) 0.6 $4.4M 11k 422.20
Marcus & Millichap (MMI) 0.6 $4.4M 118k 37.48
Royal Gold (RGLD) 0.6 $4.4M 69k 63.11
Starbucks Corporation (SBUX) 0.6 $4.2M 45k 94.70
Chevron Corporation (CVX) 0.6 $4.0M 38k 104.97
Charles Schwab Corporation (SCHW) 0.5 $3.8M 124k 30.44
Ambarella (AMBA) 0.5 $3.8M 50k 75.70
Icon (ICLR) 0.5 $3.8M 53k 70.53
Paychex (PAYX) 0.5 $3.7M 75k 49.62
Fleetmatics 0.5 $3.7M 83k 44.85
Cdw (CDW) 0.5 $3.7M 100k 37.24
United Rentals (URI) 0.5 $3.7M 40k 91.16
Proofpoint 0.5 $3.5M 60k 59.22
American Airls (AAL) 0.5 $3.6M 67k 52.78
Home Depot (HD) 0.5 $3.5M 31k 113.61
Merck & Co (MRK) 0.5 $3.5M 60k 57.48
Spirit Airlines (SAVE) 0.5 $3.4M 44k 77.35
Sunpower (SPWR) 0.5 $3.3M 107k 31.31
Regeneron Pharmaceuticals (REGN) 0.5 $3.2M 7.1k 451.49
Alibaba Group Holding (BABA) 0.4 $3.2M 38k 83.25
F5 Networks (FFIV) 0.4 $3.1M 27k 114.93
Anadarko Petroleum Corporation 0.4 $3.0M 36k 82.82
Quanta Services (PWR) 0.4 $3.0M 104k 28.53
Via 0.4 $2.9M 43k 68.29
Zoetis Inc Cl A (ZTS) 0.4 $2.9M 63k 46.29
SVB Financial (SIVBQ) 0.4 $2.8M 22k 127.06
Triplepoint Venture Gr Bdc cs (TPVG) 0.4 $2.9M 202k 14.11
Occidental Petroleum Corporation (OXY) 0.4 $2.8M 38k 73.00
Barrick Gold Corp (GOLD) 0.3 $2.5M 226k 10.96
Affymetrix 0.3 $2.5M 200k 12.56
Acadia Healthcare (ACHC) 0.3 $2.5M 35k 71.60
Microsoft Corporation (MSFT) 0.3 $2.4M 60k 40.65
Sucampo Pharmaceuticals 0.3 $2.4M 155k 15.56
Colgate-Palmolive Company (CL) 0.3 $2.3M 33k 69.34
Procter & Gamble Company (PG) 0.3 $2.3M 28k 81.94
T2 Biosystems 0.3 $2.3M 148k 15.52
At&t (T) 0.3 $2.2M 67k 32.65
EMC Corporation 0.3 $2.2M 88k 25.56
AtriCure (ATRC) 0.3 $2.2M 109k 20.49
Verizon Communications (VZ) 0.3 $2.1M 43k 48.62
UnitedHealth (UNH) 0.3 $2.1M 18k 118.28
Barracuda Networks 0.3 $2.0M 52k 38.47
Johnson & Johnson (JNJ) 0.3 $1.9M 19k 100.60
Asa (ASA) 0.3 $1.9M 191k 10.08
Spectranetics Corporation 0.3 $1.9M 55k 34.76
Arthur J. Gallagher & Co. (AJG) 0.3 $1.9M 40k 46.76
Novartis (NVS) 0.3 $1.9M 19k 98.59
Goldcorp 0.3 $1.8M 101k 18.12
Apogee Enterprises (APOG) 0.3 $1.9M 43k 43.21
Snap-on Incorporated (SNA) 0.2 $1.8M 12k 147.08
Marsh & McLennan Companies (MMC) 0.2 $1.8M 31k 56.09
Infoblox 0.2 $1.7M 73k 23.87
Sigma Designs 0.2 $1.6M 201k 8.03
IPG Photonics Corporation (IPGP) 0.2 $1.7M 18k 92.68
Korn/Ferry International (KFY) 0.2 $1.5M 47k 32.87
Matson (MATX) 0.2 $1.5M 37k 42.17
Hannon Armstrong (HASI) 0.2 $1.6M 85k 18.28
Teva Pharmaceutical Industries (TEVA) 0.2 $1.5M 24k 62.28
Headwaters Incorporated 0.2 $1.5M 81k 18.34
LogMeIn 0.2 $1.5M 26k 55.99
McKesson Corporation (MCK) 0.2 $1.5M 6.5k 226.13
Hain Celestial (HAIN) 0.2 $1.4M 22k 64.03
Knoll 0.2 $1.4M 61k 23.43
Callidus Software 0.2 $1.5M 115k 12.68
Bright Horizons Fam Sol In D (BFAM) 0.2 $1.4M 28k 51.26
Market Vectors Junior Gold Min 0.2 $1.4M 62k 22.70
Tableau Software Inc Cl A 0.2 $1.4M 15k 92.51
Manhattan Associates (MANH) 0.2 $1.4M 27k 50.61
Cavco Industries (CVCO) 0.2 $1.4M 18k 75.05
U.s. Concrete Inc Cmn 0.2 $1.4M 40k 33.87
Xpo Logistics Inc equity (XPO) 0.2 $1.4M 30k 45.48
Stewart Information Services Corporation (STC) 0.2 $1.3M 32k 40.63
IntraLinks Holdings 0.2 $1.3M 124k 10.34
stock 0.2 $1.3M 22k 59.21
Albany Molecular Research 0.2 $1.2M 70k 17.61
Alon USA Energy 0.2 $1.2M 72k 16.57
Dex (DXCM) 0.2 $1.2M 19k 62.35
Fresh Market 0.2 $1.2M 30k 40.64
Rockwell Medical Technologies 0.2 $1.2M 113k 10.93
Interactive Intelligence Group 0.2 $1.2M 29k 41.19
Autobytel 0.2 $1.2M 82k 14.77
Boise Cascade (BCC) 0.2 $1.2M 33k 37.46
Johnson Controls 0.2 $1.2M 23k 50.43
Big Lots (BIG) 0.2 $1.1M 23k 48.04
Stage Stores 0.2 $1.1M 50k 22.91
Evercore Partners (EVR) 0.2 $1.2M 23k 51.67
Badger Meter (BMI) 0.2 $1.1M 19k 59.93
CRA International (CRAI) 0.2 $1.1M 36k 31.11
PFSweb 0.2 $1.1M 103k 10.99
Covenant Transportation (CVLG) 0.2 $1.1M 35k 33.17
Matador Resources (MTDR) 0.2 $1.1M 51k 21.93
Supernus Pharmaceuticals (SUPN) 0.2 $1.1M 94k 12.09
Qualys (QLYS) 0.2 $1.2M 25k 46.48
Gigamon 0.2 $1.2M 55k 21.23
Cohen & Steers (CNS) 0.1 $1.1M 26k 40.96
Illumina (ILMN) 0.1 $1.1M 5.7k 185.60
Alexion Pharmaceuticals 0.1 $1.1M 6.3k 173.36
AEGEAN MARINE PETROLEUM Networ Com Stk 0.1 $1.1M 74k 14.37
Cutera (CUTR) 0.1 $1.0M 81k 12.92
Cherokee 0.1 $1.1M 55k 19.49
Cardtronics 0.1 $1.0M 28k 37.61
Constant Contact 0.1 $1.1M 29k 38.22
Synergetics USA 0.1 $1.1M 202k 5.39
Jazz Pharmaceuticals (JAZZ) 0.1 $1.1M 6.4k 172.75
Tower Semiconductor (TSEM) 0.1 $1.1M 65k 16.99
Vivint Solar 0.1 $1.1M 90k 12.14
Wausau Paper 0.1 $1.0M 108k 9.53
DSP 0.1 $1.0M 86k 11.97
Dyax 0.1 $997k 60k 16.76
iRobot Corporation (IRBT) 0.1 $1.0M 31k 32.64
TeleNav 0.1 $1.0M 128k 7.92
IRIDEX Corporation (IRIX) 0.1 $1.0M 95k 10.68
Evine Live Inc cl a 0.1 $1.0M 153k 6.71
Charles River Laboratories (CRL) 0.1 $957k 12k 79.26
Dot Hill Systems 0.1 $899k 170k 5.30
Wabtec Corporation (WAB) 0.1 $914k 9.6k 95.04
LSI Industries (LYTS) 0.1 $922k 113k 8.15
BioDelivery Sciences International 0.1 $927k 88k 10.50
Pernix Therapeutics Holdings 0.1 $898k 84k 10.69
Roundy's 0.1 $944k 193k 4.89
Sirius Xm Holdings (SIRI) 0.1 $917k 240k 3.82
Career Education 0.1 $825k 164k 5.03
Danaher Corporation (DHR) 0.1 $849k 10k 84.90
Pericom Semiconductor 0.1 $891k 58k 15.47
BorgWarner (BWA) 0.1 $851k 14k 60.47
bebe stores 0.1 $867k 239k 3.63
Nautilus (BFXXQ) 0.1 $892k 58k 15.27
First Merchants Corporation (FRME) 0.1 $829k 35k 23.54
Addus Homecare Corp (ADUS) 0.1 $865k 38k 23.02
Pacific Biosciences of California (PACB) 0.1 $877k 150k 5.84
Model N (MODN) 0.1 $859k 72k 11.96
Bluebird Bio (BLUE) 0.1 $842k 7.0k 120.72
ardmore Shipping (ASC) 0.1 $824k 82k 10.07
Nimble Storage 0.1 $840k 38k 22.31
Globe Specialty Metals 0.1 $809k 43k 18.92
Vertex Pharmaceuticals Incorporated (VRTX) 0.1 $796k 6.7k 117.98
Boston Scientific Corporation (BSX) 0.1 $791k 45k 17.76
Kirkland's (KIRK) 0.1 $816k 34k 23.75
Alnylam Pharmaceuticals (ALNY) 0.1 $817k 7.8k 104.42
Myr (MYRG) 0.1 $791k 25k 31.34
PGT 0.1 $822k 74k 11.17
Celldex Therapeutics 0.1 $793k 29k 27.85
Codexis (CDXS) 0.1 $805k 177k 4.56
Mitek Systems (MITK) 0.1 $799k 253k 3.16
D Fluidigm Corp Del (LAB) 0.1 $772k 18k 42.10
Wageworks 0.1 $813k 15k 53.36
Puma Biotechnology (PBYI) 0.1 $812k 3.4k 235.98
Shire 0.1 $741k 3.1k 239.34
Illinois Tool Works (ITW) 0.1 $729k 7.5k 97.20
Tsakos Energy Navigation 0.1 $685k 84k 8.18
Skyworks Solutions (SWKS) 0.1 $682k 6.9k 98.30
Calgon Carbon Corporation 0.1 $732k 35k 21.06
Watts Water Technologies (WTS) 0.1 $694k 13k 55.02
OraSure Technologies (OSUR) 0.1 $714k 109k 6.54
Manitex International (MNTX) 0.1 $734k 75k 9.73
Calix (CALX) 0.1 $716k 85k 8.39
Team Health Holdings 0.1 $700k 12k 58.48
Targa Res Corp (TRGP) 0.1 $703k 7.3k 95.84
Radiant Logistics (RLGT) 0.1 $721k 139k 5.18
Zeltiq Aesthetics 0.1 $700k 23k 30.84
Icad (ICAD) 0.1 $709k 74k 9.58
Bioamber 0.1 $685k 79k 8.71
Advanced Drain Sys Inc Del (WMS) 0.1 $740k 25k 29.93
Hexcel Corporation (HXL) 0.1 $664k 13k 51.39
Hackett (HCKT) 0.1 $621k 70k 8.94
PowerSecure International 0.1 $615k 47k 13.16
Orion Energy Systems (OESX) 0.1 $628k 200k 3.14
Endologix 0.1 $677k 40k 17.08
Visteon Corporation (VC) 0.1 $614k 6.4k 96.36
IGI Laboratories 0.1 $619k 76k 8.16
Levy Acquisition 0.1 $633k 48k 13.16
General Electric Company 0.1 $567k 23k 24.82
Dollar Tree (DLTR) 0.1 $569k 7.0k 81.19
Eagle Materials (EXP) 0.1 $552k 6.6k 83.50
Raven Industries 0.1 $567k 28k 20.47
Examworks 0.1 $569k 14k 41.64
ACADIA Pharmaceuticals (ACAD) 0.1 $543k 17k 32.62
Willdan (WLDN) 0.1 $605k 38k 15.83
Kinder Morgan (KMI) 0.1 $551k 13k 42.08
Xylem (XYL) 0.1 $567k 16k 35.03
Artisan Partners (APAM) 0.1 $542k 12k 45.46
Packaging Corporation of America (PKG) 0.1 $465k 5.9k 78.24
Campbell Soup Company (CPB) 0.1 $487k 11k 46.58
PerkinElmer (RVTY) 0.1 $465k 9.1k 51.11
Penn Virginia Corporation 0.1 $495k 76k 6.48
Alliance Data Systems Corporation (BFH) 0.1 $479k 1.6k 296.23
Southwestern Energy Company (SWN) 0.1 $526k 23k 23.20
Chico's FAS 0.1 $478k 27k 17.67
Euronet Worldwide (EEFT) 0.1 $497k 8.5k 58.77
Alphatec Holdings 0.1 $480k 331k 1.45
Perceptron 0.1 $520k 39k 13.52
DigitalGlobe 0.1 $501k 15k 34.06
Trinity Biotech 0.1 $473k 25k 19.24
Biotelemetry 0.1 $466k 53k 8.84
Mix Telematics Ltd - 0.1 $468k 67k 6.98
Endurance Intl Group Hldgs I 0.1 $513k 27k 19.06
American Express Company (AXP) 0.1 $417k 5.3k 78.19
IAC/InterActive 0.1 $408k 6.0k 67.52
Wal-Mart Stores (WMT) 0.1 $452k 5.5k 82.18
Anheuser-Busch InBev NV (BUD) 0.1 $394k 3.2k 122.02
Maximus (MMS) 0.1 $417k 6.3k 66.72
Allscripts Healthcare Solutions (MDRX) 0.1 $404k 34k 11.96
Sunopta (STKL) 0.1 $411k 39k 10.62
Axt (AXTI) 0.1 $423k 157k 2.69
Mednax (MD) 0.1 $395k 5.4k 72.60
Del Friscos Restaurant 0.1 $411k 20k 20.17
Whitewave Foods 0.1 $460k 10k 44.34
Zendesk 0.1 $433k 19k 22.71
Maxpoint Interactive 0.1 $405k 42k 9.58
Exxon Mobil Corporation (XOM) 0.1 $390k 4.6k 84.99
Commercial Metals Company (CMC) 0.1 $356k 22k 16.20
Everest Re Group (EG) 0.1 $370k 2.1k 174.12
Verisk Analytics (VRSK) 0.1 $373k 5.2k 71.44
Minerals Technologies (MTX) 0.1 $343k 4.7k 73.07
Energy Transfer Partners 0.1 $346k 6.2k 55.79
Flowserve Corporation (FLS) 0.1 $334k 5.9k 56.51
SYNNEX Corporation (SNX) 0.1 $332k 4.3k 77.28
Nxp Semiconductors N V (NXPI) 0.1 $375k 3.7k 100.32
Verint Systems (VRNT) 0.1 $382k 6.2k 61.97
Youku 0.1 $372k 30k 12.50
Silver Spring Networks 0.1 $366k 41k 8.93
Liberty Tax 0.1 $337k 12k 27.85
Seattle Genetics 0.0 $287k 8.1k 35.33
3M Company (MMM) 0.0 $287k 1.7k 164.75
Automatic Data Processing (ADP) 0.0 $278k 3.2k 85.75
Allstate Corporation (ALL) 0.0 $287k 4.0k 71.16
Lexmark International 0.0 $293k 6.9k 42.29
Fastenal Company (FAST) 0.0 $311k 7.5k 41.47
Enterprise Products Partners (EPD) 0.0 $281k 8.5k 32.98
DSW 0.0 $303k 8.2k 36.90
Air Methods Corporation 0.0 $303k 6.5k 46.59
Concho Resources 0.0 $277k 2.4k 115.75
Finisar Corporation 0.0 $295k 14k 21.35
Cepheid 0.0 $305k 5.4k 56.96
United States Steel Corporation (X) 0.0 $254k 10k 24.39
Insulet Corporation (PODD) 0.0 $299k 9.0k 33.38
Avago Technologies 0.0 $267k 2.1k 127.14
U.S. Energy 0.0 $301k 266k 1.13
Homeaway 0.0 $296k 9.8k 30.13
Tripadvisor (TRIP) 0.0 $257k 3.1k 83.14
Tecogen (TGEN) 0.0 $307k 61k 5.07
New Relic 0.0 $251k 7.2k 34.69
Comcast Corporation (CMCSA) 0.0 $245k 4.3k 56.54
Copart (CPRT) 0.0 $248k 6.6k 37.58
eBay (EBAY) 0.0 $224k 3.9k 57.67
Royal Dutch Shell 0.0 $235k 3.9k 59.52
DealerTrack Holdings 0.0 $247k 6.4k 38.56
United Microelectronics (UMC) 0.0 $223k 91k 2.44
Duke Energy (DUK) 0.0 $229k 3.0k 76.85
Ohr Pharmaceutical 0.0 $190k 75k 2.54
Masonite International (DOOR) 0.0 $237k 3.5k 67.20
Adeptus Health Inc-class A 0.0 $211k 4.2k 50.30
Freshpet (FRPT) 0.0 $216k 11k 19.46
Ford Motor Company (F) 0.0 $168k 10k 16.10
KEYW Holding 0.0 $172k 21k 8.21
EXCO Resources 0.0 $51k 28k 1.85
Mad Catz Interactive (MCZAF) 0.0 $37k 101k 0.37
Stanley Furniture 0.0 $40k 13k 3.17
Simulations Plus (SLP) 0.0 $62k 10k 6.17
Summer Infant 0.0 $42k 16k 2.69
Dynasil Corporation of America 0.0 $39k 29k 1.36
Biolase Technology 0.0 $42k 21k 2.04
Forbes Energy Services 0.0 $90k 87k 1.04
Chembio Diagnostics 0.0 $50k 13k 4.01
Active Power 0.0 $41k 19k 2.19
SemiLEDs Corporation 0.0 $29k 47k 0.62
Gigoptix 0.0 $34k 28k 1.21
Halcon Resources 0.0 $19k 13k 1.52