Essex Investment Management

Essex Investment Management as of March 31, 2014

Portfolio Holdings for Essex Investment Management

Essex Investment Management holds 344 positions in its portfolio as reported in the March 2014 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Gilead Sciences (GILD) 2.3 $16M 227k 70.86
Yahoo! 2.1 $15M 409k 35.90
Google 1.8 $13M 11k 1114.47
Celgene Corporation 1.8 $12M 88k 139.61
Apple (AAPL) 1.8 $12M 23k 536.73
Boeing Company (BA) 1.5 $10M 81k 125.50
Morgan Stanley (MS) 1.5 $10M 326k 31.17
WisdomTree Investments (WT) 1.5 $10M 773k 13.12
VMware 1.4 $9.8M 91k 108.02
BE Aerospace 1.4 $9.7M 112k 86.79
Schlumberger (SLB) 1.4 $9.4M 97k 97.50
United Technologies Corporation 1.4 $9.3M 79k 116.84
Amazon (AMZN) 1.4 $9.3M 28k 336.35
Halliburton Company (HAL) 1.3 $8.7M 147k 58.89
Honeywell International (HON) 1.2 $8.4M 91k 92.76
American Airls (AAL) 1.2 $8.4M 229k 36.60
salesforce (CRM) 1.2 $8.3M 146k 57.09
Walt Disney Company (DIS) 1.1 $7.8M 98k 80.07
Rockwell Medical Technologies 1.1 $7.3M 579k 12.66
Cardiovascular Systems 1.1 $7.2M 228k 31.79
Astronics Corporation (ATRO) 1.0 $6.9M 108k 63.41
Goldman Sachs (GS) 1.0 $6.8M 42k 163.85
Wageworks 0.9 $6.2M 110k 56.11
SVB Financial (SIVBQ) 0.9 $6.1M 47k 128.78
Delta Air Lines (DAL) 0.9 $6.0M 174k 34.65
United Rentals (URI) 0.9 $5.9M 62k 94.93
McGraw-Hill Companies 0.8 $5.8M 77k 76.30
ConocoPhillips (COP) 0.8 $5.8M 82k 70.35
Del Friscos Restaurant 0.8 $5.7M 204k 27.89
Intuit (INTU) 0.7 $5.0M 64k 77.74
Novadaq Technologies 0.7 $4.8M 218k 22.28
Endocyte 0.7 $4.9M 204k 23.81
Charles Schwab Corporation (SCHW) 0.7 $4.8M 177k 27.33
Biogen Idec (BIIB) 0.7 $4.6M 15k 305.87
Anadarko Petroleum Corporation 0.6 $4.2M 50k 84.76
STAAR Surgical Company (STAA) 0.6 $4.2M 223k 18.80
Natural Grocers By Vitamin C (NGVC) 0.6 $4.2M 96k 43.66
Sunedison 0.6 $4.2M 224k 18.84
Quanta Services (PWR) 0.6 $4.1M 112k 36.90
Akamai Technologies (AKAM) 0.6 $4.0M 69k 58.21
Penn Virginia Corporation 0.6 $4.0M 231k 17.49
Stewart Information Services Corporation (STC) 0.6 $3.8M 109k 35.13
Market Vectors Junior Gold Min 0.6 $3.9M 107k 36.22
Badger Meter (BMI) 0.6 $3.7M 68k 55.10
Starbucks Corporation (SBUX) 0.5 $3.7M 51k 73.38
EOG Resources (EOG) 0.5 $3.7M 19k 196.17
Autobytel 0.5 $3.7M 298k 12.43
Actavis 0.5 $3.7M 18k 205.84
Via 0.5 $3.6M 43k 85.00
Corning Incorporated (GLW) 0.5 $3.6M 173k 20.82
PowerSecure International 0.5 $3.5M 149k 23.44
Triplepoint Venture Gr Bdc cs (TPVG) 0.5 $3.5M 217k 16.24
Range Resources (RRC) 0.5 $3.4M 41k 82.96
eBay (EBAY) 0.5 $3.4M 61k 55.24
Tyco International Ltd S hs 0.5 $3.3M 77k 42.40
Barracuda Networks 0.5 $3.2M 94k 33.95
Chubb Corporation 0.5 $3.1M 35k 89.30
Chevron Corporation (CVX) 0.5 $3.1M 26k 118.90
Korn/Ferry International (KFY) 0.5 $3.1M 105k 29.77
Capstone Turbine Corporation 0.5 $3.1M 1.4M 2.13
CNO Financial (CNO) 0.4 $3.0M 168k 18.10
Opko Health (OPK) 0.4 $3.0M 323k 9.32
Targa Res Corp (TRGP) 0.4 $2.9M 29k 99.25
Orexigen Therapeutics 0.4 $2.8M 434k 6.50
HealthStream (HSTM) 0.4 $2.8M 105k 26.70
Tearlab Corp 0.4 $2.8M 412k 6.76
Sodastream International 0.4 $2.8M 63k 44.10
AtriCure (ATRC) 0.4 $2.8M 151k 18.81
Finisar Corporation 0.4 $2.7M 101k 26.51
Coca-Cola Company (KO) 0.4 $2.6M 67k 38.66
USG Corporation 0.4 $2.6M 80k 32.72
Medivation 0.4 $2.6M 40k 64.38
Home Depot (HD) 0.4 $2.5M 32k 79.13
At&t (T) 0.4 $2.5M 72k 35.07
Paychex (PAYX) 0.4 $2.5M 60k 42.60
Alaska Air (ALK) 0.4 $2.5M 27k 93.30
Automatic Data Processing (ADP) 0.4 $2.5M 32k 77.28
Spectranetics Corporation 0.4 $2.5M 81k 30.31
Gsv Cap Corp 0.4 $2.5M 245k 10.14
Aerie Pharmaceuticals 0.4 $2.4M 115k 21.19
Johnson & Johnson (JNJ) 0.3 $2.4M 25k 98.24
Mylan 0.3 $2.4M 50k 48.83
Apogee Enterprises (APOG) 0.3 $2.4M 73k 33.22
LogMeIn 0.3 $2.4M 54k 44.89
Fusion-io 0.3 $2.4M 231k 10.52
Fleetmatics 0.3 $2.4M 71k 33.44
Cabot Oil & Gas Corporation (CTRA) 0.3 $2.3M 68k 33.87
Comerica Incorporated (CMA) 0.3 $2.4M 46k 51.80
Colgate-Palmolive Company (CL) 0.3 $2.3M 36k 64.86
On Assignment 0.3 $2.4M 61k 38.60
Kforce (KFRC) 0.3 $2.3M 109k 21.32
PROS Holdings (PRO) 0.3 $2.3M 75k 31.50
Amira Nature Foods 0.3 $2.3M 138k 17.04
Icon (ICLR) 0.3 $2.3M 49k 47.54
Zoetis Inc Cl A (ZTS) 0.3 $2.3M 81k 28.94
Marcus & Millichap (MMI) 0.3 $2.3M 131k 17.84
BioMarin Pharmaceutical (BMRN) 0.3 $2.3M 34k 68.21
Procter & Gamble Company (PG) 0.3 $2.2M 28k 80.60
Ingersoll-rand Co Ltd-cl A 0.3 $2.2M 39k 57.24
Interactive Intelligence Group 0.3 $2.2M 31k 72.49
Arthur J. Gallagher & Co. (AJG) 0.3 $2.2M 46k 47.59
Wells Fargo & Company (WFC) 0.3 $2.2M 44k 49.75
Hertz Global Holdings 0.3 $2.2M 82k 26.64
U.S. Energy 0.3 $2.2M 464k 4.76
Matador Resources (MTDR) 0.3 $2.2M 91k 24.49
Federated National Holding C 0.3 $2.2M 119k 18.32
Live Nation Entertainment (LYV) 0.3 $2.1M 97k 21.75
Belden (BDC) 0.3 $2.1M 31k 69.59
Web 0.3 $2.1M 63k 34.03
Stratasys (SSYS) 0.3 $2.1M 20k 106.07
Aol 0.3 $2.0M 47k 43.77
Hexcel Corporation (HXL) 0.3 $2.1M 48k 43.54
Callidus Software 0.3 $2.1M 167k 12.52
Southwestern Energy Company (SWN) 0.3 $2.0M 44k 46.02
Advisory Board Company 0.3 $2.0M 31k 64.26
Seadrill Partners 0.3 $2.0M 66k 30.00
Verizon Communications (VZ) 0.3 $1.9M 40k 47.58
Affymetrix 0.3 $1.9M 271k 7.13
Occidental Petroleum Corporation (OXY) 0.3 $1.9M 20k 95.29
Advanced Energy Industries (AEIS) 0.3 $1.9M 79k 24.50
Cavco Industries (CVCO) 0.3 $2.0M 25k 78.43
IGI Laboratories 0.3 $1.9M 341k 5.65
Sunpower (SPWR) 0.3 $1.9M 60k 32.27
Manitex International (MNTX) 0.3 $1.8M 113k 16.30
Alkermes (ALKS) 0.3 $1.8M 40k 44.08
Cdw (CDW) 0.3 $1.8M 66k 27.44
ARM Holdings 0.2 $1.7M 34k 50.97
Pixelworks (PXLW) 0.2 $1.7M 308k 5.54
Microsoft Corporation (MSFT) 0.2 $1.7M 41k 41.00
Evercore Partners (EVR) 0.2 $1.7M 30k 55.25
Dex (DXCM) 0.2 $1.7M 40k 41.37
Cardtronics 0.2 $1.6M 42k 38.86
Whirlpool Corporation (WHR) 0.2 $1.6M 11k 149.42
Marsh & McLennan Companies (MMC) 0.2 $1.5M 31k 49.29
Allscripts Healthcare Solutions (MDRX) 0.2 $1.6M 88k 18.03
Hain Celestial (HAIN) 0.2 $1.6M 17k 91.43
Orion Energy Systems (OESX) 0.2 $1.6M 222k 7.25
Examworks 0.2 $1.6M 46k 35.01
Linkedin Corp 0.2 $1.6M 8.6k 184.92
EMC Corporation 0.2 $1.5M 56k 27.41
A. Schulman 0.2 $1.5M 42k 36.26
Snap-on Incorporated (SNA) 0.2 $1.4M 13k 113.45
Allergan 0.2 $1.4M 11k 124.13
Alon USA Energy 0.2 $1.5M 98k 14.94
Headwaters Incorporated 0.2 $1.5M 110k 13.21
Commercial Vehicle (CVGI) 0.2 $1.4M 155k 9.12
Primoris Services (PRIM) 0.2 $1.4M 48k 29.99
Derma Sciences 0.2 $1.5M 116k 12.68
Inventure Foods 0.2 $1.4M 103k 13.98
Acadia Healthcare (ACHC) 0.2 $1.4M 32k 45.13
Biotelemetry 0.2 $1.4M 143k 10.09
Mix Telematics Ltd - (MIXT) 0.2 $1.4M 134k 10.78
Eagle Materials (EXP) 0.2 $1.4M 15k 88.65
Syneron Medical Ltd ord 0.2 $1.4M 109k 12.45
ValueVision Media 0.2 $1.4M 279k 4.86
EnerNOC 0.2 $1.4M 62k 22.28
FuelCell Energy 0.2 $1.4M 559k 2.48
BofI Holding 0.2 $1.4M 16k 85.76
PFSweb 0.2 $1.4M 152k 8.99
KEYW Holding 0.2 $1.4M 75k 18.71
U.s. Concrete Inc Cmn 0.2 $1.4M 58k 23.50
Teva Pharmaceutical Industries (TEVA) 0.2 $1.3M 24k 52.82
Simpson Manufacturing (SSD) 0.2 $1.3M 37k 35.34
UnitedHealth (UNH) 0.2 $1.3M 16k 81.98
OraSure Technologies (OSUR) 0.2 $1.3M 163k 7.97
IntraLinks Holdings 0.2 $1.3M 126k 10.23
Endologix 0.2 $1.3M 99k 12.87
Proofpoint 0.2 $1.3M 35k 37.07
Globe Specialty Metals 0.2 $1.2M 58k 20.81
Extreme Networks (EXTR) 0.2 $1.2M 210k 5.80
PGT (PGTI) 0.2 $1.3M 110k 11.51
Shiloh Industries 0.2 $1.2M 70k 17.74
IRIDEX Corporation (IRIX) 0.2 $1.3M 142k 8.93
Ligand Pharmaceuticals In (LGND) 0.2 $1.3M 19k 67.26
Sunesis Pharmaceuticals 0.2 $1.2M 189k 6.61
D Fluidigm Corp Del (LAB) 0.2 $1.2M 28k 44.07
Zeltiq Aesthetics 0.2 $1.2M 62k 19.61
Catamaran 0.2 $1.2M 28k 44.76
Biosante Pharmaceuticals (ANIP) 0.2 $1.2M 39k 31.34
Bolt Technology 0.2 $1.2M 59k 19.77
Dyax 0.2 $1.2M 130k 8.98
First Merchants Corporation (FRME) 0.2 $1.1M 53k 21.64
Cherokee 0.2 $1.1M 81k 13.93
Kemet Corporation Cmn 0.2 $1.2M 201k 5.81
Bright Horizons Fam Sol In D (BFAM) 0.2 $1.1M 29k 39.13
Incyte Corporation (INCY) 0.2 $1.1M 21k 53.53
Energy Recovery (ERII) 0.2 $1.1M 202k 5.32
Chart Industries (GTLS) 0.2 $1.1M 14k 79.45
General Electric Company 0.1 $1.0M 39k 25.88
Meadowbrook Insurance 0.1 $1.0M 175k 5.83
Pericom Semiconductor 0.1 $1.0M 134k 7.83
Sharps Compliance 0.1 $1.1M 231k 4.58
Cui Global 0.1 $1.0M 95k 11.00
Monsanto Company 0.1 $967k 8.5k 113.76
Bristol Myers Squibb (BMY) 0.1 $959k 19k 51.96
Tsakos Energy Navigation 0.1 $970k 125k 7.76
Acuity Brands (AYI) 0.1 $946k 7.1k 132.57
Barrett Business Services (BBSI) 0.1 $988k 17k 59.57
Digirad Corporation 0.1 $981k 286k 3.43
Navios Maritime Acquis Corp 0.1 $985k 269k 3.66
Endurance Intl Group Hldgs I 0.1 $960k 74k 13.01
Abb (ABBNY) 0.1 $860k 33k 25.78
Mattson Technology 0.1 $859k 370k 2.32
Trinity Biotech (TRIB) 0.1 $905k 37k 24.22
Heska Corporation 0.1 $861k 82k 10.54
Novartis (NVS) 0.1 $798k 9.4k 85.05
Illumina (ILMN) 0.1 $848k 5.7k 148.72
Chicago Bridge & Iron Company 0.1 $793k 9.1k 87.17
Youku 0.1 $835k 30k 28.05
Sizmek 0.1 $832k 78k 10.63
Exxon Mobil Corporation (XOM) 0.1 $741k 7.6k 97.64
Danaher Corporation (DHR) 0.1 $750k 10k 75.00
Dot Hill Systems 0.1 $737k 191k 3.87
Abiomed 0.1 $781k 30k 26.03
Wabtec Corporation (WAB) 0.1 $759k 9.8k 77.51
CalAmp (CAMP) 0.1 $735k 26k 27.88
Insulet Corporation (PODD) 0.1 $771k 16k 47.42
Adt 0.1 $750k 25k 29.96
Artisan Partners (APAM) 0.1 $780k 12k 64.23
Rice Energy 0.1 $783k 30k 26.40
Pfizer (PFE) 0.1 $664k 21k 32.12
Panera Bread Company 0.1 $679k 3.8k 176.46
Pernix Therapeutics Holdings 0.1 $677k 127k 5.35
Midstates Pete 0.1 $715k 134k 5.36
Jth Holding-cl A 0.1 $702k 25k 27.76
Barrick Gold Corp (GOLD) 0.1 $645k 36k 17.82
Time Warner 0.1 $586k 9.0k 65.34
Illinois Tool Works (ITW) 0.1 $610k 7.5k 81.33
Alexion Pharmaceuticals 0.1 $628k 4.1k 152.21
Crawford & Company (CRD.B) 0.1 $621k 57k 10.91
CTPartners Executive Search (CTPR) 0.1 $643k 59k 10.86
Radiant Logistics (RLGT) 0.1 $642k 208k 3.09
Blucora 0.1 $591k 30k 19.70
Qualys (QLYS) 0.1 $636k 25k 25.44
Wal-Mart Stores (WMT) 0.1 $545k 7.1k 76.41
Lennar Corporation (LEN) 0.1 $525k 13k 39.62
Alphatec Holdings 0.1 $530k 353k 1.50
Innovative Solutions & Support (ISSC) 0.1 $532k 71k 7.53
Uroplasty 0.1 $559k 154k 3.63
Ascent Solar Technologies 0.1 $515k 845k 0.61
Visteon Corporation (VC) 0.1 $572k 6.5k 88.46
Nuverra Environmental Soluti 0.1 $572k 28k 20.30
American Express Company (AXP) 0.1 $480k 5.3k 90.01
Johnson Controls 0.1 $453k 9.6k 47.36
Campbell Soup Company (CPB) 0.1 $469k 11k 44.85
Alliance Data Systems Corporation (BFH) 0.1 $450k 1.7k 272.56
First Solar (FSLR) 0.1 $488k 7.0k 69.83
Skyworks Solutions (SWKS) 0.1 $451k 12k 37.56
Sequenom 0.1 $472k 193k 2.45
Mednax (MD) 0.1 $465k 7.5k 61.92
Puma Biotechnology (PBYI) 0.1 $464k 4.5k 104.06
Silver Spring Networks 0.1 $515k 30k 17.38
Hannon Armstrong (HASI) 0.1 $488k 34k 14.36
Noble Corp Plc equity 0.1 $462k 14k 32.77
Packaging Corporation of America (PKG) 0.1 $422k 6.0k 70.36
IAC/InterActive 0.1 $438k 6.1k 71.44
Vertex Pharmaceuticals Incorporated (VRTX) 0.1 $432k 6.1k 70.80
Commercial Metals Company (CMC) 0.1 $421k 22k 18.87
Mohawk Industries (MHK) 0.1 $404k 3.0k 136.03
McKesson Corporation (MCK) 0.1 $392k 2.2k 176.58
PerkinElmer (RVTY) 0.1 $412k 9.1k 45.03
Integrated Device Technology 0.1 $445k 36k 12.22
Amgen (AMGN) 0.1 $391k 3.2k 123.38
Visa (V) 0.1 $389k 1.8k 215.87
Toll Brothers (TOL) 0.1 $421k 12k 35.92
Chico's FAS 0.1 $440k 28k 16.01
Terex Corporation (TEX) 0.1 $435k 9.8k 44.25
ACADIA Pharmaceuticals (ACAD) 0.1 $405k 17k 24.33
Newlink Genetics Corporation 0.1 $389k 14k 28.40
Jazz Pharmaceuticals (JAZZ) 0.1 $426k 3.1k 138.63
Acceleron Pharma 0.1 $395k 12k 34.47
Argos Therapeutics 0.1 $445k 45k 9.99
Regeneron Pharmaceuticals (REGN) 0.1 $359k 1.2k 300.42
Continental Resources 0.1 $331k 2.7k 124.16
Waddell & Reed Financial 0.1 $376k 5.1k 73.52
Everest Re Group (EG) 0.1 $326k 2.1k 153.05
Lexmark International 0.1 $326k 7.0k 46.32
Anheuser-Busch InBev NV (BUD) 0.1 $340k 3.2k 105.30
Dollar Tree (DLTR) 0.1 $360k 6.9k 52.19
WABCO Holdings 0.1 $322k 3.0k 105.61
Fastenal Company (FAST) 0.1 $370k 7.5k 49.33
Verisk Analytics (VRSK) 0.1 $318k 5.3k 60.05
Euronet Worldwide (EEFT) 0.1 $357k 8.6k 41.58
Cree 0.1 $332k 5.9k 56.59
Energy Transfer Partners 0.1 $334k 6.2k 53.85
HeartWare International 0.1 $324k 3.5k 93.80
Covidien 0.1 $355k 4.8k 73.70
Kinder Morgan (KMI) 0.1 $371k 11k 32.50
Cornerstone Ondemand 0.1 $311k 6.5k 47.91
Homeaway 0.1 $376k 10k 37.71
Rexnord 0.1 $313k 11k 29.01
Comcast Corporation (CMCSA) 0.0 $292k 5.8k 50.06
Joy Global 0.0 $303k 5.2k 57.98
MasterCard Incorporated (MA) 0.0 $252k 3.4k 74.78
LKQ Corporation (LKQ) 0.0 $256k 9.7k 26.35
Royal Dutch Shell 0.0 $285k 3.9k 73.06
Syngenta 0.0 $249k 3.3k 75.75
Atmel Corporation 0.0 $242k 29k 8.37
Maximus (MMS) 0.0 $284k 6.3k 44.79
Enterprise Products Partners (EPD) 0.0 $295k 4.3k 69.25
Steel Dynamics (STLD) 0.0 $260k 15k 17.79
Rosetta Resources 0.0 $293k 6.3k 46.51
Rockwood Holdings 0.0 $286k 3.8k 74.31
Calgon Carbon Corporation 0.0 $308k 14k 21.83
SYNNEX Corporation (SNX) 0.0 $264k 4.4k 60.59
Orient-exp Htls 0.0 $284k 20k 14.39
Myr (MYRG) 0.0 $250k 9.9k 25.29
ZipRealty 0.0 $281k 86k 3.28
BioDelivery Sciences International 0.0 $265k 31k 8.44
DigitalGlobe 0.0 $250k 8.6k 29.04
NetSuite 0.0 $243k 2.6k 94.88
Verint Systems (VRNT) 0.0 $294k 6.3k 46.98
Whitewave Foods 0.0 $301k 11k 28.57
Intercept Pharmaceuticals In 0.0 $280k 848.00 330.19
Quintiles Transnatio Hldgs I 0.0 $293k 5.8k 50.74
Keurig Green Mtn 0.0 $258k 2.4k 105.74
3M Company (MMM) 0.0 $237k 1.8k 135.43
Copart (CPRT) 0.0 $240k 6.6k 36.36
Allstate Corporation (ALL) 0.0 $233k 4.1k 56.62
Concho Resources 0.0 $208k 1.7k 122.57
United Microelectronics (UMC) 0.0 $190k 91k 2.08
Alnylam Pharmaceuticals (ALNY) 0.0 $212k 3.2k 67.07
Codexis (CDXS) 0.0 $194k 95k 2.04
Solar Senior Capital 0.0 $217k 13k 17.12
Solazyme 0.0 $199k 17k 11.58
Golar Lng Partners Lp unit 0.0 $224k 7.5k 29.91
XOMA CORP Common equity shares 0.0 $237k 46k 5.21
Duke Energy (DUK) 0.0 $223k 3.1k 71.36
EXCO Resources 0.0 $157k 28k 5.60
Ford Motor Company (F) 0.0 $163k 10k 15.62
Ixia 0.0 $166k 13k 12.50
New Mountain Finance Corp (NMFC) 0.0 $148k 10k 14.50
Real Goods Solar 0.0 $65k 16k 4.05
STR Holdings 0.0 $61k 39k 1.58
Simulations Plus (SLP) 0.0 $72k 11k 6.68
Iteris (ITI) 0.0 $51k 26k 1.99
GreenHunter Energy 0.0 $38k 40k 0.96
Reliv International 0.0 $48k 18k 2.60
Aehr Test Systems (AEHR) 0.0 $55k 19k 2.86
Dynasil Corporation of America 0.0 $65k 37k 1.75
Netlist (NLST) 0.0 $51k 27k 1.89
Gigoptix 0.0 $61k 36k 1.68
Zynga 0.0 $71k 17k 4.28
Liberator Medical Hld 0.0 $57k 15k 3.91