Essex Investment Management

Essex Investment Management as of Sept. 30, 2013

Portfolio Holdings for Essex Investment Management

Essex Investment Management holds 356 positions in its portfolio as reported in the September 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Google 2.2 $15M 17k 875.90
Celgene Corporation 2.2 $14M 93k 154.14
Gilead Sciences (GILD) 2.2 $14M 227k 62.87
Gsv Cap Corp 2.1 $14M 936k 14.82
Schlumberger (SLB) 2.0 $13M 149k 88.36
Facebook Inc cl a (META) 1.9 $13M 255k 50.23
Starbucks Corporation (SBUX) 1.7 $11M 148k 76.97
Anadarko Petroleum Corporation 1.5 $10M 108k 92.99
Morgan Stanley (MS) 1.3 $8.9M 329k 26.95
stock 1.3 $8.8M 146k 60.04
Wageworks 1.3 $8.5M 169k 50.45
salesforce (CRM) 1.1 $7.6M 146k 51.91
Boeing Company (BA) 1.1 $7.5M 64k 117.51
Tableau Software Inc Cl A 1.1 $7.1M 99k 71.24
General Electric Company 1.1 $7.0M 292k 23.89
Halliburton Company (HAL) 1.0 $6.9M 143k 48.15
Amazon (AMZN) 1.0 $6.7M 21k 312.63
Goldman Sachs (GS) 1.0 $6.7M 42k 158.21
Acuity Brands (AYI) 1.0 $6.7M 73k 92.02
Walt Disney Company (DIS) 1.0 $6.5M 101k 64.49
EOG Resources (EOG) 1.0 $6.4M 38k 169.28
Microsoft Corporation (MSFT) 1.0 $6.3M 190k 33.28
Stratasys (SSYS) 0.9 $6.1M 60k 101.26
Yandex Nv-a (YNDX) 0.9 $6.0M 166k 36.42
Natural Grocers By Vitamin C (NGVC) 0.9 $6.0M 152k 39.70
Rubicon Technology 0.9 $5.9M 491k 12.11
Chart Industries (GTLS) 0.9 $5.8M 48k 123.03
BE Aerospace 0.9 $5.8M 79k 73.82
ConocoPhillips (COP) 0.9 $5.8M 84k 69.51
Textura 0.8 $5.5M 128k 43.08
Tearlab Corp 0.8 $5.2M 469k 11.06
Ellie Mae 0.8 $5.1M 161k 32.01
McGraw-Hill Companies 0.8 $5.1M 78k 65.59
BofI Holding 0.8 $5.1M 78k 64.82
Intuit (INTU) 0.7 $4.9M 73k 66.31
Linkedin Corp 0.7 $4.6M 19k 246.06
Fleetmatics 0.7 $4.6M 123k 37.55
Web 0.7 $4.5M 140k 32.35
Cooper Companies 0.7 $4.5M 35k 129.70
SVB Financial (SIVBQ) 0.6 $4.2M 48k 86.36
Range Resources (RRC) 0.6 $4.1M 54k 75.88
Integrated Device Technology 0.6 $4.1M 437k 9.42
Yelp Inc cl a (YELP) 0.6 $4.1M 62k 66.18
PROS Holdings (PRO) 0.6 $4.0M 118k 34.19
Charles Schwab Corporation (SCHW) 0.6 $4.0M 187k 21.14
Baidu (BIDU) 0.6 $3.9M 25k 155.16
Fairway Group Holdings 0.6 $3.9M 153k 25.56
Newmont Mining Corporation (NEM) 0.6 $3.7M 132k 28.10
Verisk Analytics (VRSK) 0.6 $3.7M 57k 64.97
Via 0.5 $3.6M 43k 83.59
Orexigen Therapeutics 0.5 $3.6M 585k 6.13
Continental Resources 0.5 $3.5M 33k 107.26
Apache Corporation 0.5 $3.5M 41k 85.15
Novadaq Technologies 0.5 $3.5M 209k 16.58
Zoetis Inc Cl A (ZTS) 0.5 $3.5M 113k 31.12
Stewart Information Services Corporation (STC) 0.5 $3.3M 105k 31.99
Veeco Instruments (VECO) 0.5 $3.4M 90k 37.22
Targa Res Corp (TRGP) 0.5 $3.4M 46k 72.95
Channeladvisor 0.5 $3.3M 91k 36.63
Chubb Corporation 0.5 $3.2M 36k 89.25
Medivation 0.5 $3.2M 54k 59.95
Chevron Corporation (CVX) 0.5 $3.1M 26k 121.48
Quanta Services (PWR) 0.5 $3.2M 116k 27.51
Weatherford International Lt reg 0.5 $3.1M 203k 15.33
STAAR Surgical Company (STAA) 0.5 $3.0M 223k 13.54
Badger Meter (BMI) 0.5 $3.1M 66k 46.51
Cardiovascular Systems 0.4 $2.9M 145k 20.05
United Technologies Corporation 0.4 $2.8M 26k 107.82
Advisory Board Company 0.4 $2.9M 48k 59.49
Seadrill Partners 0.4 $2.8M 86k 32.65
Akamai Technologies (AKAM) 0.4 $2.7M 52k 51.71
Coca-Cola Company (KO) 0.4 $2.6M 69k 37.87
Delta Air Lines (DAL) 0.4 $2.7M 113k 23.59
US Airways 0.4 $2.6M 138k 18.96
Paychex (PAYX) 0.4 $2.5M 61k 40.63
Southwestern Energy Company (SWN) 0.4 $2.5M 68k 36.38
Home Depot (HD) 0.4 $2.5M 33k 75.86
At&t (T) 0.4 $2.4M 72k 33.82
Apogee Enterprises (APOG) 0.4 $2.3M 79k 29.63
HealthStream (HSTM) 0.4 $2.4M 62k 37.88
Hertz Global Holdings 0.3 $2.3M 104k 22.16
CNO Financial (CNO) 0.3 $2.3M 162k 14.40
Ingersoll-rand Co Ltd-cl A 0.3 $2.2M 34k 64.94
Arthur J. Gallagher & Co. (AJG) 0.3 $2.2M 50k 43.66
BioMarin Pharmaceutical (BMRN) 0.3 $2.1M 30k 72.16
Johnson & Johnson (JNJ) 0.3 $2.2M 26k 86.70
Ctrip.com International 0.3 $2.2M 38k 58.36
Finisar Corporation 0.3 $2.2M 97k 22.63
United Rentals (URI) 0.3 $2.1M 36k 58.28
PowerSecure International 0.3 $2.1M 133k 16.05
Citigroup (C) 0.3 $2.1M 43k 48.52
Sprouts Fmrs Mkt (SFM) 0.3 $2.1M 48k 44.39
Baker Hughes Incorporated 0.3 $2.1M 42k 49.10
Colgate-Palmolive Company (CL) 0.3 $2.0M 34k 59.31
Wells Fargo & Company (WFC) 0.3 $2.0M 48k 41.32
EMC Corporation 0.3 $2.0M 78k 25.57
Matador Resources (MTDR) 0.3 $2.0M 120k 16.33
Corning Incorporated (GLW) 0.3 $1.9M 130k 14.59
Icon (ICLR) 0.3 $1.9M 47k 40.92
Verizon Communications (VZ) 0.3 $1.9M 40k 46.67
Occidental Petroleum Corporation (OXY) 0.3 $1.8M 20k 93.54
Procter & Gamble Company (PG) 0.3 $1.8M 24k 75.59
Comerica Incorporated (CMA) 0.3 $1.8M 46k 39.32
Dyax 0.3 $1.8M 256k 6.86
Alliance Fiber Optic Products 0.3 $1.8M 88k 20.47
Interactive Intelligence Group 0.3 $1.8M 28k 63.49
eBay (EBAY) 0.3 $1.7M 30k 55.81
Live Nation Entertainment (LYV) 0.3 $1.7M 91k 18.55
Sodastream International 0.3 $1.7M 28k 62.36
Catamaran 0.3 $1.7M 37k 45.96
Whirlpool Corporation (WHR) 0.2 $1.6M 11k 146.43
Lowe's Companies (LOW) 0.2 $1.6M 35k 47.62
Garmin (GRMN) 0.2 $1.7M 37k 45.18
Opko Health (OPK) 0.2 $1.7M 188k 8.81
Calix (CALX) 0.2 $1.7M 132k 12.73
Cdw (CDW) 0.2 $1.6M 72k 22.83
Affymetrix 0.2 $1.6M 254k 6.19
Yahoo! 0.2 $1.6M 48k 33.18
Snap-on Incorporated (SNA) 0.2 $1.6M 16k 99.51
Energy Recovery (ERII) 0.2 $1.5M 209k 7.24
Belden (BDC) 0.2 $1.5M 24k 64.03
Hexcel Corporation (HXL) 0.2 $1.5M 39k 38.81
Rockwell Medical Technologies 0.2 $1.5M 135k 11.40
Streamline Health Solutions (STRM) 0.2 $1.5M 199k 7.60
Krispy Kreme Doughnuts 0.2 $1.5M 75k 19.34
Sina Corporation 0.2 $1.5M 18k 81.17
OSI Systems (OSIS) 0.2 $1.5M 20k 74.37
Akorn 0.2 $1.5M 75k 19.68
Skyworks Solutions (SWKS) 0.2 $1.5M 59k 24.84
Callidus Software 0.2 $1.5M 161k 9.17
Endologix 0.2 $1.5M 92k 16.13
Examworks 0.2 $1.4M 56k 26.00
Marsh & McLennan Companies (MMC) 0.2 $1.4M 32k 43.54
Evercore Partners (EVR) 0.2 $1.4M 29k 49.24
ValueVision Media 0.2 $1.4M 324k 4.36
Capstone Turbine Corporation 0.2 $1.4M 1.2M 1.17
Cray 0.2 $1.4M 57k 24.06
Ligand Pharmaceuticals In (LGND) 0.2 $1.4M 32k 43.28
Zeltiq Aesthetics 0.2 $1.4M 157k 9.02
Hain Celestial (HAIN) 0.2 $1.3M 17k 77.15
Cardtronics 0.2 $1.3M 35k 37.11
Hologic (HOLX) 0.2 $1.3M 62k 20.65
UnitedHealth (UNH) 0.2 $1.2M 17k 71.63
Cobalt Intl Energy 0.2 $1.3M 51k 24.87
IntraLinks Holdings 0.2 $1.3M 145k 8.80
Alkermes (ALKS) 0.2 $1.3M 38k 33.63
Trulia 0.2 $1.3M 27k 47.04
TETRA Technologies (TTI) 0.2 $1.2M 96k 12.53
Pacific Sunwear of California 0.2 $1.2M 386k 3.01
Old Republic International Corporation (ORI) 0.2 $1.2M 78k 15.40
On Assignment 0.2 $1.2M 37k 33.00
Aceto Corporation 0.2 $1.2M 75k 15.63
EnerNOC 0.2 $1.2M 79k 14.98
Dex (DXCM) 0.2 $1.2M 41k 28.21
Acadia Healthcare (ACHC) 0.2 $1.2M 30k 39.41
Amira Nature Foods 0.2 $1.2M 94k 12.94
Biotelemetry 0.2 $1.2M 121k 9.91
Allergan 0.2 $1.1M 13k 90.45
Eagle Materials (EXP) 0.2 $1.1M 16k 72.56
MercadoLibre (MELI) 0.2 $1.1M 8.2k 134.88
Broadcom Corporation 0.2 $1.1M 44k 26.03
Osiris Therapeutics 0.2 $1.1M 67k 16.65
Super Micro Computer (SMCI) 0.2 $1.1M 84k 13.54
ViroPharma Incorporated 0.2 $1.1M 29k 39.25
Primoris Services (PRIM) 0.2 $1.1M 45k 25.49
Derma Sciences 0.2 $1.1M 89k 12.38
Gentherm (THRM) 0.2 $1.1M 58k 19.09
Bright Horizons Fam Sol In D (BFAM) 0.2 $1.1M 31k 35.84
Qualcomm (QCOM) 0.2 $1.0M 15k 67.30
Cache (CACH) 0.2 $1.1M 178k 5.96
Allscripts Healthcare Solutions (MDRX) 0.2 $1.1M 71k 14.87
Manitex International (MNTX) 0.2 $1.0M 96k 10.94
Aol 0.1 $1.0M 29k 34.57
Analogic Corporation 0.1 $967k 12k 82.61
Procera Networks 0.1 $1.0M 65k 15.49
Autobytel 0.1 $965k 135k 7.17
Monsanto Company 0.1 $954k 9.1k 104.35
eHealth (EHTH) 0.1 $916k 28k 32.24
Sirius XM Radio 0.1 $956k 247k 3.87
Headwaters Incorporated 0.1 $934k 104k 8.99
Barrett Business Services (BBSI) 0.1 $950k 14k 67.29
PGT 0.1 $923k 93k 9.90
ZipRealty 0.1 $932k 170k 5.47
inContact, Inc . 0.1 $922k 112k 8.25
WisdomTree Investments (WT) 0.1 $905k 78k 11.60
AtriCure (ATRC) 0.1 $912k 83k 10.98
U.s. Concrete Inc Cmn 0.1 $932k 47k 20.06
D Fluidigm Corp Del (LAB) 0.1 $918k 42k 21.95
D Stemline Therapeutics 0.1 $894k 20k 45.31
Globe Specialty Metals 0.1 $836k 54k 15.41
Royal Gold (RGLD) 0.1 $835k 17k 48.64
Randgold Resources 0.1 $852k 12k 71.51
Ultra Clean Holdings (UCTT) 0.1 $847k 123k 6.91
U.S. Energy 0.1 $831k 394k 2.11
Navios Maritime Acquis Corp 0.1 $841k 229k 3.68
Park City (TRAK) 0.1 $849k 97k 8.73
Illumina (ILMN) 0.1 $811k 10k 80.85
Orbotech Ltd Com Stk 0.1 $808k 67k 11.99
First Merchants Corporation (FRME) 0.1 $773k 45k 17.33
G Willi-food International ord (WILC) 0.1 $759k 105k 7.22
Del Friscos Restaurant 0.1 $773k 38k 20.16
Jamba 0.1 $823k 62k 13.38
Novartis (NVS) 0.1 $718k 9.4k 76.68
Danaher Corporation (DHR) 0.1 $693k 10k 69.30
Dawson Geophysical Company 0.1 $704k 22k 32.47
Twin Disc, Incorporated (TWIN) 0.1 $696k 27k 26.11
IRIDEX Corporation (IRIX) 0.1 $712k 120k 5.93
2060000 Power Solutions International (PSIX) 0.1 $714k 12k 59.12
Infoblox 0.1 $739k 18k 41.84
Artisan Partners (APAM) 0.1 $704k 13k 52.37
Barrick Gold Corp (GOLD) 0.1 $688k 37k 18.61
Time Warner 0.1 $681k 10k 65.81
Wal-Mart Stores (WMT) 0.1 $675k 9.1k 73.91
Bristol Myers Squibb (BMY) 0.1 $657k 14k 46.28
Alliance Data Systems Corporation (BFH) 0.1 $659k 3.1k 211.49
Chicago Bridge & Iron Company 0.1 $629k 9.3k 67.74
Alphatec Holdings 0.1 $654k 332k 1.97
FuelCell Energy 0.1 $661k 512k 1.29
Ascent Solar Technologies 0.1 $632k 719k 0.88
Silver Wheaton Corp 0.1 $644k 26k 24.78
Trinity Biotech 0.1 $691k 32k 21.77
Winmark Corporation (WINA) 0.1 $649k 8.8k 73.67
Sunpower (SPWR) 0.1 $661k 25k 26.15
PerkinElmer (RVTY) 0.1 $625k 17k 37.77
Illinois Tool Works (ITW) 0.1 $572k 7.5k 76.27
Meadowbrook Insurance 0.1 $626k 96k 6.50
Big 5 Sporting Goods Corporation (BGFV) 0.1 $567k 35k 16.11
Chico's FAS 0.1 $584k 35k 16.65
Given Imaging 0.1 $573k 30k 19.23
Noble Corporation Com Stk 0.1 $612k 16k 37.79
Alexion Pharmaceuticals 0.1 $593k 5.1k 116.25
Rockwood Holdings 0.1 $618k 9.2k 66.92
Wabtec Corporation (WAB) 0.1 $588k 9.4k 62.83
Asa (ASA) 0.1 $574k 43k 13.25
Guidance Software 0.1 $617k 68k 9.06
Insulet Corporation (PODD) 0.1 $609k 17k 36.23
Visteon Corporation (VC) 0.1 $618k 8.2k 75.69
CECO Environmental (CECO) 0.1 $573k 41k 14.09
Taiwan Semiconductor Mfg (TSM) 0.1 $514k 30k 16.96
Exxon Mobil Corporation (XOM) 0.1 $499k 5.8k 86.02
IAC/InterActive 0.1 $498k 9.1k 54.65
Dollar Tree (DLTR) 0.1 $523k 9.1k 57.20
Goldcorp 0.1 $525k 20k 26.00
Tsakos Energy Navigation 0.1 $552k 106k 5.21
United Microelectronics (UMC) 0.1 $549k 266k 2.06
Agnico (AEM) 0.1 $531k 20k 26.48
Crawford & Company (CRD.B) 0.1 $552k 57k 9.70
Ametek (AME) 0.1 $531k 12k 45.98
Computer Task 0.1 $553k 34k 16.15
New Gold Inc Cda (NGD) 0.1 $507k 85k 5.98
Changyou 0.1 $500k 14k 35.54
USA Technologies 0.1 $501k 311k 1.61
Hldgs (UAL) 0.1 $519k 17k 30.73
Qualys (QLYS) 0.1 $535k 25k 21.40
Market Vectors Junior Gold Min 0.1 $550k 14k 40.74
Packaging Corporation of America (PKG) 0.1 $439k 7.7k 57.10
McDonald's Corporation (MCD) 0.1 $450k 4.7k 96.17
Pfizer (PFE) 0.1 $462k 16k 28.70
Regeneron Pharmaceuticals (REGN) 0.1 $484k 1.5k 312.66
Meru Networks 0.1 $436k 133k 3.27
Mohawk Industries (MHK) 0.1 $480k 3.7k 130.33
Pioneer Natural Resources (PXD) 0.1 $482k 2.6k 188.87
Rosetta Resources 0.1 $436k 8.0k 54.47
Sequenom 0.1 $481k 180k 2.67
Mednax (MD) 0.1 $482k 4.8k 100.44
Orion Energy Systems (OESX) 0.1 $440k 117k 3.76
Mindspeed Technologies 0.1 $468k 154k 3.04
ACADIA Pharmaceuticals (ACAD) 0.1 $457k 17k 27.45
Kinder Morgan (KMI) 0.1 $484k 14k 35.54
Solar Senior Capital 0.1 $431k 24k 18.09
First Internet Bancorp (INBK) 0.1 $445k 17k 26.71
Jazz Pharmaceuticals (JAZZ) 0.1 $451k 4.9k 91.87
Actavis 0.1 $447k 3.1k 143.87
American Express Company (AXP) 0.1 $403k 5.3k 75.57
Vertex Pharmaceuticals Incorporated (VRTX) 0.1 $372k 4.9k 75.76
Commercial Metals Company (CMC) 0.1 $405k 24k 16.95
Campbell Soup Company (CPB) 0.1 $426k 11k 40.74
Biogen Idec (BIIB) 0.1 $424k 1.8k 240.91
Visa (V) 0.1 $375k 2.0k 191.23
Fastenal Company (FAST) 0.1 $377k 7.5k 50.27
Maximus (MMS) 0.1 $364k 8.1k 45.07
JDS Uniphase Corporation 0.1 $407k 28k 14.72
Kirby Corporation (KEX) 0.1 $409k 4.7k 86.54
Golar Lng Partners Lp unit 0.1 $381k 12k 32.51
Groupon 0.1 $400k 36k 11.21
Comcast Corporation (CMCSA) 0.1 $317k 7.0k 45.06
Joy Global 0.1 $341k 6.7k 51.04
Waddell & Reed Financial 0.1 $339k 6.6k 51.55
Everest Re Group (EG) 0.1 $310k 2.1k 145.54
Anheuser-Busch InBev NV (BUD) 0.1 $320k 3.2k 99.10
WABCO Holdings 0.1 $322k 3.8k 84.27
Theravance 0.1 $338k 8.3k 40.81
Atmel Corporation 0.1 $325k 44k 7.44
Dot Hill Systems 0.1 $346k 162k 2.14
Euronet Worldwide (EEFT) 0.1 $329k 8.3k 39.88
Energy Transfer Partners 0.1 $323k 6.2k 52.08
Teradyne (TER) 0.1 $336k 20k 16.53
Superior Energy Services 0.1 $304k 12k 25.05
Westport Innovations 0.1 $323k 13k 24.17
HeartWare International 0.1 $349k 4.8k 73.26
IGI Laboratories 0.1 $345k 190k 1.82
Cornerstone Ondemand 0.1 $310k 6.0k 51.50
Aurico Gold 0.1 $318k 83k 3.81
Homeaway 0.1 $357k 13k 28.00
Puma Biotechnology (PBYI) 0.1 $314k 5.9k 53.61
Intercept Pharmaceuticals In 0.1 $314k 4.6k 68.97
EXCO Resources 0.0 $241k 36k 6.75
Incyte Corporation (INCY) 0.0 $237k 6.2k 38.16
Automatic Data Processing (ADP) 0.0 $245k 3.4k 72.42
Johnson Controls 0.0 $255k 6.1k 41.56
McKesson Corporation (MCK) 0.0 $242k 1.9k 128.11
Amgen (AMGN) 0.0 $281k 2.5k 111.73
International Business Machines (IBM) 0.0 $268k 1.4k 185.47
Royal Dutch Shell 0.0 $261k 4.0k 65.78
First Solar (FSLR) 0.0 $289k 7.2k 40.23
Enterprise Products Partners (EPD) 0.0 $243k 4.0k 60.98
Hecla Mining Company (HL) 0.0 $273k 87k 3.14
Imax Corp Cad (IMAX) 0.0 $290k 9.6k 30.27
DigitalGlobe 0.0 $254k 8.0k 31.62
Nxp Semiconductors N V (NXPI) 0.0 $235k 6.3k 37.20
Scorpio Tankers 0.0 $252k 26k 9.78
Covidien 0.0 $269k 4.4k 60.90
Endocyte 0.0 $235k 18k 13.34
Pretium Res Inc Com Isin# Ca74 0.0 $253k 37k 6.90
Coronado Biosciences Inc. Common 0.0 $276k 39k 7.01
MasterCard Incorporated (MA) 0.0 $227k 337.00 673.59
3M Company (MMM) 0.0 $204k 1.7k 119.23
Copart (CPRT) 0.0 $210k 6.6k 31.82
Mylan 0.0 $226k 5.9k 38.15
Allstate Corporation (ALL) 0.0 $208k 4.1k 50.55
Ford Motor Company (F) 0.0 $176k 10k 16.86
Estee Lauder Companies (EL) 0.0 $209k 3.0k 69.90
Zoltek Companies 0.0 $201k 12k 16.70
Calgon Carbon Corporation 0.0 $200k 11k 18.96
Ixia 0.0 $208k 13k 15.66
Alnylam Pharmaceuticals (ALNY) 0.0 $202k 3.2k 63.90
BioDelivery Sciences International 0.0 $221k 41k 5.43
Heska Corporation 0.0 $201k 35k 5.81
Sunesis Pharmaceuticals 0.0 $211k 43k 4.96
New Mountain Finance Corp (NMFC) 0.0 $181k 13k 14.41
Duke Energy (DUK) 0.0 $209k 3.1k 66.88
Kythera Biopharmaceuticals I 0.0 $230k 5.0k 45.61
Silver Spring Networks 0.0 $214k 12k 17.32
Capital Product 0.0 $131k 15k 9.00
Yamana Gold 0.0 $112k 11k 10.42
Solazyme 0.0 $113k 11k 10.78
Neonode 0.0 $134k 21k 6.44
XOMA CORP Common equity shares 0.0 $154k 34k 4.48
Hannon Armstrong (HASI) 0.0 $121k 11k 11.37
TriQuint Semiconductor 0.0 $81k 10k 8.10
Digirad Corporation 0.0 $44k 17k 2.55
Joe's Jeans 0.0 $37k 35k 1.07
PFSweb 0.0 $93k 16k 5.97
Newtek Business Services 0.0 $55k 19k 2.97
Chembio Diagnostics 0.0 $41k 11k 3.60
Zaza Energy 0.0 $24k 21k 1.12