Essex Investment Management

Essex Investment Management as of Dec. 31, 2014

Portfolio Holdings for Essex Investment Management

Essex Investment Management holds 332 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
Gilead Sciences (GILD) 2.7 $19M 198k 94.26
Celgene Corporation 2.7 $19M 165k 111.86
JetBlue Airways Corporation (JBLU) 2.6 $18M 1.1M 15.86
Palo Alto Networks (PANW) 2.3 $16M 130k 122.57
Apple (AAPL) 2.2 $15M 136k 110.38
Alibaba Group Holding (BABA) 2.1 $14M 136k 103.94
WisdomTree Investments (WT) 2.0 $14M 892k 15.68
Bristol Myers Squibb (BMY) 1.8 $13M 214k 59.03
Facebook Inc cl a (META) 1.8 $12M 155k 78.02
Morgan Stanley (MS) 1.7 $12M 301k 38.80
Incyte Corporation (INCY) 1.5 $11M 145k 73.11
Abbvie (ABBV) 1.4 $9.8M 150k 65.44
Linkedin Corp 1.4 $9.5M 41k 229.71
salesforce (CRM) 1.3 $8.7M 147k 59.31
Honeywell International (HON) 1.2 $8.6M 86k 99.92
Walt Disney Company (DIS) 1.2 $8.3M 88k 94.19
Goldman Sachs (GS) 1.2 $8.2M 43k 193.84
2u 1.2 $8.0M 409k 19.66
Boeing Company (BA) 1.1 $7.8M 60k 129.98
Integrated Device Technology 1.1 $7.4M 379k 19.60
Amgen (AMGN) 1.1 $7.3M 46k 159.29
Schlumberger (SLB) 1.0 $7.1M 83k 85.41
EOG Resources (EOG) 1.0 $7.1M 77k 92.07
Wageworks 1.0 $6.9M 107k 64.57
Sunedison 1.0 $6.9M 356k 19.51
Ultimate Software 1.0 $6.8M 46k 146.82
McGraw-Hill Companies 0.9 $6.3M 71k 88.99
Aerie Pharmaceuticals 0.9 $6.1M 210k 29.19
Intuit (INTU) 0.9 $5.9M 64k 92.19
Mellanox Technologies 0.9 $5.9M 139k 42.73
Cyberark Software (CYBR) 0.8 $5.8M 147k 39.65
Google Inc Class C 0.8 $5.8M 11k 526.42
Akamai Technologies (AKAM) 0.8 $5.7M 91k 62.96
NetSuite 0.8 $5.6M 51k 109.18
Google 0.8 $5.5M 10k 530.69
Nxp Semiconductors N V (NXPI) 0.8 $5.4M 71k 76.40
Cardiovascular Systems 0.8 $5.4M 179k 30.08
Eldorado Gold Corp 0.8 $5.3M 873k 6.08
Del Friscos Restaurant 0.8 $5.3M 224k 23.74
Biogen Idec (BIIB) 0.8 $5.2M 15k 339.47
Charles Schwab Corporation (SCHW) 0.8 $5.1M 170k 30.19
United Rentals (URI) 0.7 $5.1M 50k 102.02
Actavis 0.7 $5.0M 19k 257.39
Medivation 0.7 $4.6M 46k 99.60
ConocoPhillips (COP) 0.6 $4.4M 63k 69.07
Canadian Solar (CSIQ) 0.6 $4.4M 181k 24.19
Acuity Brands (AYI) 0.6 $4.2M 30k 140.07
Yahoo! 0.6 $4.0M 79k 50.50
Opko Health (OPK) 0.6 $3.9M 390k 9.99
Marcus & Millichap (MMI) 0.6 $3.9M 118k 33.25
Starbucks Corporation (SBUX) 0.6 $3.8M 46k 82.05
Eagle Materials (EXP) 0.5 $3.7M 48k 76.03
Cdw (CDW) 0.5 $3.6M 103k 35.17
Merck & Co (MRK) 0.5 $3.5M 62k 56.79
BioMarin Pharmaceutical (BMRN) 0.5 $3.5M 39k 90.41
Mobileye 0.5 $3.5M 87k 40.57
Paychex (PAYX) 0.5 $3.5M 75k 46.17
First Solar (FSLR) 0.5 $3.4M 77k 44.59
Ingersoll-rand Co Ltd-cl A 0.5 $3.4M 54k 63.38
Home Depot (HD) 0.5 $3.3M 32k 104.96
Via 0.5 $3.2M 43k 75.26
T2 Biosystems 0.5 $3.2M 168k 19.24
TASER International 0.5 $3.2M 121k 26.48
Triplepoint Venture Gr Bdc cs (TPVG) 0.5 $3.1M 211k 14.85
Tyco International 0.5 $3.1M 70k 43.87
Quanta Services (PWR) 0.4 $3.0M 107k 28.39
Randgold Resources 0.4 $3.0M 44k 67.41
Proofpoint 0.4 $2.9M 60k 48.24
Fleetmatics 0.4 $2.8M 79k 35.49
Range Resources (RRC) 0.4 $2.6M 49k 53.44
Regeneron Pharmaceuticals (REGN) 0.4 $2.6M 6.4k 410.17
SVB Financial (SIVBQ) 0.4 $2.6M 22k 116.05
Procter & Gamble Company (PG) 0.4 $2.6M 28k 91.08
Allergan 0.4 $2.4M 12k 212.59
At&t (T) 0.3 $2.4M 71k 33.60
Wells Fargo & Company (WFC) 0.3 $2.4M 44k 54.82
OraSure Technologies (OSUR) 0.3 $2.4M 235k 10.14
Sunpower (SPWRQ) 0.3 $2.3M 89k 25.83
Market Vectors Junior Gold Min 0.3 $2.3M 97k 23.93
Colgate-Palmolive Company (CL) 0.3 $2.3M 33k 69.18
Zoetis Inc Cl A (ZTS) 0.3 $2.3M 53k 43.02
Microsoft Corporation (MSFT) 0.3 $2.2M 48k 46.45
Belden (BDC) 0.3 $2.2M 28k 78.82
Alkermes (ALKS) 0.3 $2.2M 38k 58.56
AtriCure (ATRC) 0.3 $2.1M 106k 19.96
Acadia Healthcare (ACHC) 0.3 $2.1M 35k 61.21
Icon (ICLR) 0.3 $2.1M 42k 50.99
Johnson & Johnson (JNJ) 0.3 $2.0M 19k 104.56
3D Systems Corporation (DDD) 0.3 $2.0M 62k 32.86
American Airls (AAL) 0.3 $2.1M 38k 53.63
Verizon Communications (VZ) 0.3 $2.0M 43k 46.78
Affymetrix 0.3 $2.0M 201k 9.87
Freeport-McMoRan Copper & Gold (FCX) 0.3 $1.9M 82k 23.36
Apogee Enterprises (APOG) 0.3 $1.9M 46k 42.37
Arthur J. Gallagher & Co. (AJG) 0.3 $1.9M 40k 47.09
Live Nation Entertainment (LYV) 0.3 $1.9M 71k 26.10
Callidus Software 0.3 $1.9M 115k 16.33
Tower Semiconductor (TSEM) 0.3 $1.8M 137k 13.33
Barracuda Networks 0.3 $1.8M 52k 35.84
Marsh & McLennan Companies (MMC) 0.3 $1.8M 31k 57.24
Covenant Transportation (CVLG) 0.2 $1.7M 64k 27.12
Snap-on Incorporated (SNA) 0.2 $1.6M 12k 136.76
Spectranetics Corporation 0.2 $1.6M 47k 34.58
Twitter 0.2 $1.7M 46k 35.87
HealthStream (HSTM) 0.2 $1.6M 53k 29.49
Sigma Designs 0.2 $1.5M 202k 7.40
Hain Celestial (HAIN) 0.2 $1.5M 26k 58.28
Dex (DXCM) 0.2 $1.5M 28k 55.06
IntraLinks Holdings 0.2 $1.5M 124k 11.90
Xpo Logistics Inc equity (XPO) 0.2 $1.5M 38k 40.88
Halliburton Company (HAL) 0.2 $1.4M 36k 39.32
Cavco Industries (CVCO) 0.2 $1.4M 18k 79.29
Infoblox 0.2 $1.5M 73k 20.21
Teva Pharmaceutical Industries (TEVA) 0.2 $1.4M 24k 57.53
Korn/Ferry International (KFY) 0.2 $1.3M 47k 28.75
Interactive Intelligence Group 0.2 $1.4M 29k 47.91
Matador Resources (MTDR) 0.2 $1.4M 67k 20.23
Bright Horizons Fam Sol In D (BFAM) 0.2 $1.4M 29k 47.01
Chevron Corporation (CVX) 0.2 $1.3M 12k 112.18
Knoll 0.2 $1.3M 61k 21.17
Agnico (AEM) 0.2 $1.3M 53k 24.89
PFSweb 0.2 $1.3M 105k 12.66
LogMeIn 0.2 $1.3M 26k 49.35
UnitedHealth (UNH) 0.2 $1.2M 12k 101.10
Goldcorp 0.2 $1.2M 66k 18.52
Pericom Semiconductor 0.2 $1.2M 91k 13.54
A. Schulman 0.2 $1.2M 31k 40.54
Wausau Paper 0.2 $1.2M 108k 11.37
Headwaters Incorporated 0.2 $1.2M 82k 14.98
Dyax 0.2 $1.2M 88k 14.06
PROS Holdings (PRO) 0.2 $1.3M 46k 27.48
Fresh Market 0.2 $1.2M 30k 41.19
Pernix Therapeutics Holdings 0.2 $1.3M 135k 9.39
Matson (MATX) 0.2 $1.3M 37k 34.53
Boise Cascade (BCC) 0.2 $1.2M 33k 37.15
Stewart Information Services Corporation (STC) 0.2 $1.2M 32k 37.03
Career Education 0.2 $1.1M 165k 6.96
DeVry 0.2 $1.1M 24k 47.48
Amazon (AMZN) 0.2 $1.1M 3.7k 310.27
Evercore Partners (EVR) 0.2 $1.2M 23k 52.39
Royal Gold (RGLD) 0.2 $1.2M 19k 62.67
Amerisafe (AMSF) 0.2 $1.2M 27k 42.34
Pacific Biosciences of California (PACB) 0.2 $1.2M 151k 7.84
U.s. Concrete Inc Cmn 0.2 $1.1M 40k 28.45
Grubhub 0.2 $1.2M 32k 36.33
Cohen & Steers (CNS) 0.2 $1.1M 26k 42.09
Baidu (BIDU) 0.2 $1.1M 4.9k 227.96
Manhattan Associates (MANH) 0.2 $1.1M 27k 40.72
CRA International (CRAI) 0.2 $1.1M 37k 30.31
iRobot Corporation (IRBT) 0.2 $1.1M 31k 34.73
Cardtronics 0.2 $1.1M 28k 38.59
Stratasys (SSYS) 0.2 $1.1M 14k 83.09
Illumina (ILMN) 0.1 $1.0M 5.7k 184.54
AEGEAN MARINE PETROLEUM Networ Com Stk 0.1 $1.0M 74k 14.02
Cherokee 0.1 $1.1M 55k 19.36
IGI Laboratories 0.1 $1.0M 117k 8.80
Evine Live Inc cl a 0.1 $1.0M 155k 6.59
IPG Photonics Corporation (IPGP) 0.1 $979k 13k 74.89
DSP 0.1 $941k 87k 10.87
Manitex International (MNTX) 0.1 $966k 76k 12.71
Synageva Biopharma 0.1 $985k 11k 92.82
Qualys (QLYS) 0.1 $944k 25k 37.76
Hannon Armstrong (HASI) 0.1 $935k 66k 14.24
Novartis (NVS) 0.1 $869k 9.4k 92.61
Big Lots (BIGGQ) 0.1 $890k 22k 40.00
Alon USA Energy 0.1 $872k 69k 12.67
Skyworks Solutions (SWKS) 0.1 $868k 12k 72.67
Cutera (CUTR) 0.1 $870k 81k 10.68
Insteel Industries (IIIN) 0.1 $893k 38k 23.57
Nautilus (BFXXQ) 0.1 $893k 59k 15.18
Addus Homecare Corp (ADUS) 0.1 $920k 38k 24.27
Calix (CALX) 0.1 $862k 86k 10.02
Inventure Foods 0.1 $887k 70k 12.75
Autobytel 0.1 $901k 83k 10.90
Opower 0.1 $875k 62k 14.22
Johnson Controls 0.1 $840k 17k 48.34
Danaher Corporation (DHR) 0.1 $857k 10k 85.70
Kirkland's (KIRK) 0.1 $817k 35k 23.63
Wabtec Corporation (WAB) 0.1 $832k 9.6k 86.91
Badger Meter (BMI) 0.1 $831k 14k 59.37
Commercial Vehicle (CVGI) 0.1 $801k 120k 6.66
First Merchants Corporation (FRME) 0.1 $807k 36k 22.75
Orion Energy Systems (OESX) 0.1 $823k 150k 5.50
TeleNav 0.1 $858k 129k 6.67
IRIDEX Corporation (IRIX) 0.1 $822k 96k 8.60
Mitek Systems (MITK) 0.1 $842k 254k 3.31
Sirius Xm Holdings (SIRI) 0.1 $840k 240k 3.50
Globe Specialty Metals 0.1 $741k 43k 17.24
McKesson Corporation (MCK) 0.1 $773k 3.7k 207.52
Targa Res Corp (TRGP) 0.1 $789k 7.4k 106.03
Supernus Pharmaceuticals (SUPN) 0.1 $786k 95k 8.30
Illinois Tool Works (ITW) 0.1 $710k 7.5k 94.67
Alexion Pharmaceuticals 0.1 $663k 3.6k 185.09
PGT 0.1 $714k 74k 9.63
Visteon Corporation (VC) 0.1 $681k 6.4k 106.87
Icad (ICAD) 0.1 $683k 75k 9.17
General Electric Company 0.1 $586k 23k 25.27
Tsakos Energy Navigation 0.1 $589k 84k 6.98
Kinross Gold Corp (KGC) 0.1 $624k 221k 2.82
Watts Water Technologies (WTS) 0.1 $597k 9.4k 63.49
New Gold Inc Cda (NGD) 0.1 $625k 145k 4.30
D Fluidigm Corp Del (LAB) 0.1 $622k 18k 33.73
Radiant Logistics (RLGT) 0.1 $593k 140k 4.23
Seadrill Partners 0.1 $608k 38k 16.22
Artisan Partners (APAM) 0.1 $607k 12k 50.55
AK Steel Holding Corporation 0.1 $577k 97k 5.94
BorgWarner (BWA) 0.1 $577k 11k 54.94
Hexcel Corporation (HXL) 0.1 $536k 13k 41.48
Calgon Carbon Corporation 0.1 $538k 26k 20.76
PowerSecure International 0.1 $548k 47k 11.64
Myr (MYRG) 0.1 $519k 19k 27.39
Asa (ASA) 0.1 $516k 51k 10.12
BioDelivery Sciences International 0.1 $544k 45k 12.03
iShares Russell 2000 Growth Index (IWO) 0.1 $557k 3.9k 142.27
ACADIA Pharmaceuticals (ACAD) 0.1 $529k 17k 31.78
Youku 0.1 $530k 30k 17.80
Willdan (WLDN) 0.1 $519k 38k 13.50
Kinder Morgan (KMI) 0.1 $572k 14k 42.28
Biotelemetry 0.1 $533k 53k 10.04
Packaging Corporation of America (PKG) 0.1 $464k 5.9k 78.08
American Express Company (AXP) 0.1 $496k 5.3k 93.01
Exxon Mobil Corporation (XOM) 0.1 $493k 5.3k 92.39
Wal-Mart Stores (WMT) 0.1 $472k 5.5k 85.82
LKQ Corporation (LKQ) 0.1 $504k 18k 28.13
Campbell Soup Company (CPB) 0.1 $460k 11k 43.99
Dollar Tree (DLTR) 0.1 $493k 7.0k 70.35
Penn Virginia Corporation 0.1 $495k 74k 6.69
Alliance Data Systems Corporation (BFH) 0.1 $463k 1.6k 286.33
Euronet Worldwide (EEFT) 0.1 $464k 8.5k 54.87
Energy Recovery (ERII) 0.1 $449k 85k 5.27
Raven Industries 0.1 $509k 20k 25.01
Sangamo Biosciences (SGMO) 0.1 $467k 31k 15.22
Alphatec Holdings 0.1 $470k 334k 1.41
Mednax (MD) 0.1 $489k 7.4k 66.14
Insulet Corporation (PODD) 0.1 $482k 11k 46.09
Codexis (CDXS) 0.1 $449k 178k 2.52
Xylem (XYL) 0.1 $463k 12k 38.09
Jazz Pharmaceuticals (JAZZ) 0.1 $503k 3.1k 163.68
Bioamber 0.1 $493k 59k 8.39
Endurance Intl Group Hldgs I 0.1 $496k 27k 18.41
Vertex Pharmaceuticals Incorporated (VRTX) 0.1 $411k 3.5k 118.92
Charles River Laboratories (CRL) 0.1 $394k 6.2k 63.70
PerkinElmer (RVTY) 0.1 $398k 9.1k 43.75
Southwestern Energy Company 0.1 $410k 15k 27.28
Allscripts Healthcare Solutions (MDRX) 0.1 $431k 34k 12.76
Chico's FAS 0.1 $378k 23k 16.21
Energy Transfer Partners 0.1 $403k 6.2k 64.98
Capstone Turbine Corporation 0.1 $405k 547k 0.74
Sunopta (STKL) 0.1 $441k 37k 11.85
Alnylam Pharmaceuticals (ALNY) 0.1 $389k 4.0k 97.06
Axt (AXTI) 0.1 $444k 159k 2.80
U.S. Energy 0.1 $397k 268k 1.48
Trinity Biotech 0.1 $436k 25k 17.52
Puma Biotechnology (PBYI) 0.1 $442k 2.3k 189.21
Bluebird Bio (BLUE) 0.1 $406k 4.4k 91.71
Zendesk 0.1 $436k 18k 24.37
Liberty Tax 0.1 $433k 12k 35.77
IAC/InterActive 0.1 $367k 6.0k 60.73
Lennar Corporation (LEN) 0.1 $324k 7.2k 44.81
Commercial Metals Company (CMC) 0.1 $309k 19k 16.31
Everest Re Group (EG) 0.1 $363k 2.1k 170.42
Shire 0.1 $337k 1.6k 212.48
Anheuser-Busch InBev NV (BUD) 0.1 $363k 3.2k 112.42
Fastenal Company (FAST) 0.1 $357k 7.5k 47.60
Verisk Analytics (VRSK) 0.1 $334k 5.2k 63.97
Maximus (MMS) 0.1 $343k 6.3k 54.88
Minerals Technologies (MTX) 0.1 $326k 4.7k 69.45
SYNNEX Corporation (SNX) 0.1 $336k 4.3k 78.21
FuelCell Energy 0.1 $330k 214k 1.54
Infinity Pharmaceuticals (INFIQ) 0.1 $335k 20k 16.87
Verint Systems (VRNT) 0.1 $359k 6.2k 58.24
Endologix 0.1 $310k 20k 15.27
Team Health Holdings 0.1 $353k 6.1k 57.58
Zeltiq Aesthetics 0.1 $333k 12k 27.93
Whitewave Foods 0.1 $363k 10k 34.99
Quintiles Transnatio Hldgs I 0.1 $340k 5.8k 58.87
Mix Telematics Ltd - 0.1 $323k 50k 6.50
Tecogen (TGEN) 0.1 $316k 61k 5.22
Comcast Corporation (CMCSA) 0.0 $251k 4.3k 57.93
3M Company (MMM) 0.0 $286k 1.7k 164.18
Copart (CPRT) 0.0 $241k 6.6k 36.52
Automatic Data Processing (ADP) 0.0 $278k 3.3k 83.38
Boston Scientific Corporation (BSX) 0.0 $302k 23k 13.23
Allstate Corporation (ALL) 0.0 $283k 4.0k 70.17
Royal Dutch Shell 0.0 $269k 4.0k 66.92
Lexmark International 0.0 $286k 6.9k 41.28
Enterprise Products Partners (EPD) 0.0 $308k 8.5k 36.15
DSW 0.0 $306k 8.2k 37.27
Bruker Corporation (BRKR) 0.0 $271k 14k 19.60
Flowserve Corporation (FLS) 0.0 $264k 4.4k 59.84
DealerTrack Holdings 0.0 $244k 5.5k 44.26
United States Steel Corporation (X) 0.0 $278k 10k 26.69
HeartWare International 0.0 $254k 3.5k 73.54
Examworks 0.0 $291k 7.0k 41.57
Rockwell Medical Technologies 0.0 $263k 26k 10.28
Hca Holdings (HCA) 0.0 $296k 4.0k 73.30
Homeaway 0.0 $293k 9.8k 29.82
Duke Energy (DUK) 0.0 $257k 3.1k 83.41
Silver Spring Networks 0.0 $258k 31k 8.44
Fireeye 0.0 $270k 8.6k 31.56
Square 1 Financial 0.0 $250k 10k 24.73
Joy Global 0.0 $206k 4.4k 46.57
Seattle Genetics 0.0 $225k 7.0k 32.18
eBay (EBAY) 0.0 $218k 3.9k 56.13
EMC Corporation 0.0 $227k 7.6k 29.71
Concho Resources 0.0 $239k 2.4k 99.87
United Microelectronics (UMC) 0.0 $207k 91k 2.26
Aruba Networks 0.0 $202k 11k 18.17
DigitalGlobe 0.0 $205k 6.6k 30.96
Avago Technologies 0.0 $211k 2.1k 100.48
KEYW Holding 0.0 $218k 21k 10.40
Tripadvisor (TRIP) 0.0 $229k 3.1k 74.57
Moelis & Co (MC) 0.0 $234k 6.7k 34.86
Ford Motor Company (F) 0.0 $162k 10k 15.52
Forbes Energy Services 0.0 $106k 87k 1.21
EXCO Resources 0.0 $52k 24k 2.18
Mad Catz Interactive (MCZAF) 0.0 $49k 116k 0.42
iPass 0.0 $48k 35k 1.36
STR Holdings 0.0 $47k 34k 1.36
Simulations Plus (SLP) 0.0 $77k 12k 6.65
SemiLEDs Corporation 0.0 $59k 54k 1.09
Summer Infant 0.0 $59k 18k 3.27
Ur-energy (URG) 0.0 $87k 100k 0.87
Aehr Test Systems (AEHR) 0.0 $55k 22k 2.54
Dynasil Corporation of America 0.0 $48k 33k 1.45
Biolase Technology 0.0 $63k 24k 2.65
inTEST Corporation (INTT) 0.0 $46k 11k 4.24
Lantronix (LTRX) 0.0 $52k 28k 1.89
Gigoptix 0.0 $39k 32k 1.20
Chembio Diagnostics 0.0 $56k 14k 3.89
GreenHunter Energy 0.0 $11k 16k 0.70
Halcon Resources 0.0 $22k 13k 1.75