ESSEX INVESTMENT MANAGEMENT

Latest statistics and disclosures from ESSEX INVESTMENT MANAGEMENT's latest quarterly 13F-HR filing:

ESSEX INVESTMENT MANAGEMENT portfolio companies for March 2015 quarter

Ticker Name Portfolio Weight Change Share Count Price Last Trade
WSDT WisdomTree Investments 2.66 884298 21.46 0.00
Palo Alto Networks 2.66 130008 146.08 0.00
AAPL Apple 2.25 -4.00% 129277 124.43 123.28
BMY Bristol Myers Squibb 2.09 +8.00% 231318 64.50 66.08
GILD Gilead Sciences 1.97 -27.00% 143127 98.13 99.53
DIS Walt Disney Company 1.94 +49.00% 132189 104.89 103.60
INCY Incyte Corporation 1.92 +3.00% 149772 91.66 88.43
Facebook Inc cl a 1.79 155668 82.21 0.00
CELG Celgene Corporation 1.76 -33.00% 109368 115.28 118.26
JBLU JetBlue Airways Corporation 1.53 -49.00% 566873 19.25 17.12
MS Morgan Stanley 1.50 300503 35.69 34.94
Linkedin 1.44 41172 249.85 0.00
Sunedison 1.41 +18.00% 420640 24.00 0.00
CRM salesforce 1.38 147692 66.81 64.26
Cyberark Software Ltd shs 1.36 +19.00% 175131 55.57 0.00
Abbvie 1.28 +4.00% 156771 58.54 0.00
BA Boeing Company 1.26 60001 150.08 152.38
Aerie Pharmaceuticals 1.24 +34.00% 283725 31.34 0.00
GS Goldman Sachs 1.10 41894 187.97 184.67
ULTI Ultimate Software 1.10 46182 169.96 162.96
IDTI Integrated Device Technology 1.06 379804 20.02 19.98
CSII Cardiovascular Systems 1.04 +6.00% 190586 39.04 35.43
MHP McGraw-Hill Companies 1.03 70979 103.40 0.00
EOG EOG Resources 1.02 +3.00% 79727 91.69 86.44
Actavis 1.02 +26.00% 24575 297.62 0.00
Twitter 0.97 +197.00% 138201 50.08 0.00
OPK Opko Health 0.94 +21.00% 475293 14.17 14.08
Mobileye N.v. 0.93 +83.00% 158673 42.03 0.00
2u 0.92 -36.00% 258107 25.58 0.00
Box Inc cl a 0.91 NEW 327786 19.75 0.00
AKAM Akamai Technologies 0.89 89899 71.05 69.99
COP ConocoPhillips 0.89 +61.00% 102148 62.26 61.42
FSLR First Solar 0.89 +38.00% 106805 59.79 60.28
INTU Intuit 0.88 64690 96.95 95.52
MDVN Medivation 0.86 +3.00% 47824 129.08 127.95
Grubhub 0.86 +325.00% 135003 45.39 0.00
Mellanox Technologies 0.85 -3.00% 133551 45.34 0.00
Google Inc Class C 0.85 11076 548.03 0.00
GOOG Google 0.80 10249 554.69 554.33
YHOO Yahoo! 0.80 +64.00% 129300 44.43 42.61
BMRN BioMarin Pharmaceutical 0.79 +15.00% 45163 124.62 113.42
GOLD Randgold Resources 0.76 +78.00% 78370 69.27 66.67
Shake Shack Inc cl a 0.75 NEW 107778 50.05 0.00
AYI Acuity Brands 0.74 +5.00% 31307 168.17 159.34
Fireeye 0.72 +1442.00% 131937 39.25 0.00
SLB Schlumberger 0.69 -28.00% 59227 83.44 81.67
N NetSuite 0.67 51498 92.76 91.16
Agni 0.64 +212.00% 164148 27.94 0.00
BIIB Biogen Idec 0.62 -31.00% 10533 422.20 415.20
Marcus & Millichap 0.62 118375 37.48 0.00
Royal Gold 0.61 +271.00% 69421 63.11 0.00
SBUX Starbucks Corporation 0.59 -2.00% 44868 94.70 92.23
CVX Chevron Corporation 0.55 +227.00% 37638 104.97 102.86
SCHW Charles Schwab Corporation 0.53 -27.00% 124062 30.44 30.86
Ambarella Inc shs 0.53 NEW 49825 75.70 0.00
Icon 0.53 +27.00% 53396 70.53 0.00
PAYX Paychex 0.52 75398 49.62 48.92
Fleetmatics 0.52 +4.00% 82563 44.85 0.00
Cdw 0.52 -3.00% 99541 37.24 0.00
URI United Rentals 0.51 -19.00% 40314 91.16 88.12
Proofpoint 0.50 59832 59.22 0.00
American Airls 0.50 +75.00% 67277 52.78 0.00
HD Home Depot 0.49 -3.00% 30727 113.61 113.11
MRK Merck & Co 0.49 -3.00% 60387 57.48 56.20
Spirit Airlines 0.48 NEW 44303 77.35 0.00
Sunpower 0.47 +19.00% 106618 31.31 0.00
REGN Regeneron Pharmaceuticals 0.45 +11.00% 7112 451.49 427.05
Alibaba Group Holding Ltd Spon 0.44 -72.00% 38041 83.25 0.00
FFIV F5 Networks 0.43 NEW 26756 114.93 112.86
APC Anadarko Petroleum Corporation 0.42 NEW 36236 82.82 79.89
PWR Quanta Services 0.42 -2.00% 104387 28.53 28.12
VIA.B Via 0.41 42626 68.29 0.00
Zoetis Inc Cl A 0.41 +18.00% 62669 46.29 0.00
SIVB SVB Financial 0.40 22360 127.06 124.11
Triplepoint Venture Gr Bdc cs 0.40 -4.00% 202018 14.11 0.00
OXY Occidental Petroleum Corporation 0.39 NEW 37697 73.00 74.23
* Barrick Gold 0.35 NEW 225566 10.96 0.00
AFFX Affymetrix 0.35 199755 12.56 12.24
Acadia Healthcare 0.35 35040 71.60 0.00
MSFT Microsoft Corporation 0.34 +25.00% 59873 40.65 42.00
SCMP Sucampo Pharmaceuticals 0.34 NEW 154540 15.56 17.19
CL Colgate-Palmolive Company 0.32 32954 69.34 68.17
PG Procter & Gamble Company 0.32 27703 81.94 81.31
T2 Biosystems 0.32 -11.00% 148027 15.52 0.00
T AT&T; 0.31 -5.00% 67022 32.65 32.70
EMC EMC Corporation 0.31 +1048.00% 87753 25.56 26.24
ATRC AtriCure 0.31 +3.00% 109110 20.49 18.87
VZ Verizon Communications 0.29 42614 48.62 48.01
UNH UnitedHealth 0.29 +46.00% 17628 118.28 113.33
Barracuda Networks 0.28 51549 38.47 0.00
JNJ Johnson & Johnson 0.27 19343 100.60 98.55
Asa Limited shs 0.27 +274.00% 191220 10.08 0.00
SPNC Spectranetics Corporation 0.27 +17.00% 54719 34.76 33.93
AJG Arthur J. Gallagher & Co. 0.26 39734 46.76 45.96
NVS Novartis AG 0.26 +104.00% 19201 98.59 96.03
Gold 0.26 +53.00% 101096 18.12 0.00
APOG Apogee Enterprises 0.26 -5.00% 43092 43.21 42.50
SNA Snap-on Incorporated 0.25 12014 147.08 142.04
MMC Marsh & McLennan Companies 0.25 31324 56.09 55.76
Infoblox 0.24 72565 23.87 0.00
SIGM Sigma Designs 0.23 200950 8.03 7.06
IPGP IPG Photonics Corporation 0.23 +38.00% 18106 92.68 96.34
KFY Korn/Ferry International 0.22 46908 32.87 29.96
Matson 0.22 36470 42.17 0.00
Hannon Armstrong stock 0.22 +29.00% 85224 18.28 0.00
TEVA Teva Pharmaceutical Industries 0.21 24422 62.28 57.77
HW Headwaters Incorporated 0.21 81344 18.34 16.03
LOGM LogMeIn 0.21 26432 55.99 52.48
MCK McKesson Corporation 0.20 +73.00% 6452 226.13 221.98
HAIN Hain Celestial 0.20 -16.00% 21865 64.03 60.12
KNL Knoll 0.20 60783 23.43 19.51
CALD Callidus Software 0.20 114581 12.68 13.26
Bright Horizons Fam Sol In D 0.20 -3.00% 28269 51.26 0.00
Market Vectors Junior Gold Min 0.20 -35.00% 62426 22.70 0.00
Tableau Software Inc Cl A 0.20 NEW 15198 92.51 0.00
MANH Manhattan Associates 0.19 26913 50.61 48.43
CVCO Cavco Industries 0.19 18214 75.05 70.10
U.s. Concrete Inc Cmn 0.19 40119 33.87 0.00
Xpo Logistics Inc equity 0.19 -20.00% 29858 45.48 0.00
STC Stewart Information Services Corporation 0.18 32118 40.63 36.98
IL IntraLinks Holdings 0.18 124220 10.34 10.29
stock 0.18 NEW 21971 59.21 0.00
AMRI Albany Molecular Research 0.17 NEW 70428 17.61 17.89
ALJ Alon USA Energy 0.17 +3.00% 71465 16.57 14.28
DXCM Dex 0.17 -31.00% 19118 62.35 58.66
TFM Fresh Market 0.17 29949 40.64 39.78
RMTI Rockwell Medical Technologies 0.17 +343.00% 113313 10.93 9.96
Interactive Intelligence 0.17 28841 41.19 0.00
Autobytel 0.17 82048 14.77 0.00
Boise Cascade 0.17 33208 37.46 0.00
JCI Johnson Controls 0.16 +33.00% 23241 50.43 48.46
BIG Big Lots 0.16 +4.00% 23145 48.04 50.09
SSI Stage Stores 0.16 NEW 49803 22.91 22.13
EVR Evercore Partners 0.16 22545 51.67 50.69
BMI Badger Meter 0.16 +34.00% 18822 59.93 56.21
CRAI CRA International 0.16 36421 31.11 31.42
PFSW PFSweb 0.16 102878 10.99 10.98
CVTI Covenant Transportation 0.16 -46.00% 34554 33.17 33.72
Matador Resources 0.16 -23.00% 51260 21.93 0.00
Supernus Pharmaceuticals 0.16 93981 12.09 0.00
Qualys 0.16 25000 46.48 0.00
Gigamon 0.16 NEW 54678 21.23 0.00
CNS Cohen & Steers 0.15 25681 40.96 40.39
ILMN Illumina 0.15 5668 185.60 191.44
ALXN Alexion Pharmaceuticals 0.15 +76.00% 6322 173.36 179.76
AEGEAN MARINE PETROLEUM Networ Com Stk 0.15 73824 14.37 0.00
CUTR Cutera 0.15 80861 12.92 13.16
CHKE Cherokee 0.15 54553 19.49 18.64
CATM Cardtronics 0.15 27895 37.61 35.46
CTCT Constant Contact 0.15 NEW 28804 38.22 37.88
SURG Synergetics USA 0.15 NEW 201565 5.39 5.30
Jazz Pharmaceuticals 0.15 +106.00% 6356 172.75 0.00
Tower Semiconductor 0.15 -52.00% 64522 16.99 0.00
Vivint Solar 0.15 NEW 89868 12.14 0.00
WPP Wausau Paper 0.14 107761 9.53 8.75
DSPG DSP 0.14 85932 11.97 11.37
DYAX Dyax 0.14 -31.00% 59500 16.76 16.58
IRBT iRobot Corporation 0.14 30701 32.64 33.56
TNAV TeleNav 0.14 127787 7.92 7.94
IRIX IRIDEX Corporation 0.14 94866 10.68 10.02
Evine Live Inc cl a 0.14 153422 6.71 0.00
CRL Charles River Laboratories 0.13 +95.00% 12074 79.26 78.58
HILL Dot Hill Systems 0.13 NEW 169628 5.30 4.81
WAB Wabtec Corporation 0.13 9617 95.04 91.75
LYTS LSI Industries 0.13 NEW 113145 8.15 7.70
BDSI BioDelivery Sciences International 0.13 +95.00% 88272 10.50 14.81
PTX Pernix Therapeutics Holdings 0.13 -37.00% 84008 10.69 11.80
Roundy's 0.13 NEW 192939 4.89 0.00
Sirius Xm Holdings 0.13 240000 3.82 0.00
CECO Career Education 0.12 163950 5.03 5.50
DHR Danaher Corporation 0.12 10000 84.90 84.59
PSEM Pericom Semiconductor 0.12 -36.00% 57577 15.47 15.25
BWA BorgWarner 0.12 +33.00% 14073 60.47 58.93
BEBE bebe stores 0.12 NEW 238855 3.63 3.44
NLS Nautilus 0.12 58434 15.27 15.54
FRME First Merchants Corporation 0.12 35211 23.54 22.58
Addus Homecare 0.12 37573 23.02 0.00
PACB Pacific Biosciences of California 0.12 150144 5.84 5.81
Model N 0.12 NEW 71824 11.96 0.00
Bluebird Bio 0.12 +57.00% 6975 120.72 0.00
***ardmore Shipping 0.12 NEW 81822 10.07 0.00
Nimble Storage 0.12 NEW 37652 22.31 0.00
GSM Globe Specialty Metals 0.11 42750 18.92 16.77
VRTX Vertex Pharmaceuticals Incorporated 0.11 +95.00% 6747 117.98 123.26
BSX Boston Scientific Corporation 0.11 +95.00% 44547 17.76 16.49
KIRK Kirkland's 0.11 34352 23.75 23.64
ALNY Alnylam Pharmaceuticals 0.11 +95.00% 7824 104.42 111.05
MYRG MYR 0.11 +33.00% 25242 31.34 25.98
PGTI PGT 0.11 73576 11.17 10.76
CLDX Celldex Therapeutics 0.11 NEW 28469 27.85 29.43
Codexis 0.11 176614 4.56 0.00
MITK Mitek Systems 0.11 252740 3.16 3.10
D Fluidigm Corp Del 0.11 18339 42.10 0.00
Wageworks 0.11 -85.00% 15237 53.36 0.00
Puma Biotechnology Inc Common Stock 0.11 +47.00% 3441 235.98 0.00
SHPGY Shire 0.10 +95.00% 3096 239.34 0.00
ITW Illinois Tool Works 0.10 7500 97.20 96.27
Tsakos Energy Navigation 0.10 83756 8.18 0.00
SWKS Skyworks Solutions 0.10 -41.00% 6938 98.30 92.91
CCC Calgon Carbon Corporation 0.10 +34.00% 34763 21.06 20.35
WTS Watts Water Technologies 0.10 +34.00% 12613 55.02 52.83
OSUR OraSure Technologies 0.10 -53.00% 109209 6.54 7.47
MNTX Manitex International 0.10 75411 9.73 9.33
CALX Calix 0.10 85389 8.39 8.53
Team Health Holdings 0.10 +95.00% 11969 58.48 0.00
Targa Res 0.10 7335 95.84 0.00
Radiant Logistics 0.10 139205 5.18 0.00
Zeltiq Aesthetics 0.10 +90.00% 22701 30.84 0.00
Icad 0.10 73982 9.58 0.00
Bioamber 0.10 +33.00% 78680 8.71 0.00
Advanced Drain Sys Inc Del 0.10 NEW 24722 29.93 0.00
HXL Hexcel Corporation 0.09 12922 51.39 47.72
HCKT Hackett 0.09 NEW 69495 8.94 8.97
POWR PowerSecure International 0.09 46726 13.16 11.85
OESX Orion Energy Systems 0.09 +33.00% 199905 3.14 3.14
ELGX Endologix 0.09 +95.00% 39635 17.08 15.20
VC Visteon Corporation 0.09 6372 96.36 97.73
IG IGI Laboratories 0.09 -35.00% 75853 8.16 8.20
Levy Acquisition 0.09 NEW 48100 13.16 0.00
GE General Electric Company 0.08 22844 24.82 25.35
DLTR Dollar Tree 0.08 7008 81.19 80.00
EXP Eagle Materials 0.08 -86.00% 6611 83.50 81.98
RAVN Raven Industries 0.08 +36.00% 27699 20.47 18.44
EXAM Examworks 0.08 +95.00% 13665 41.64 38.54
ACAD ACADIA Pharmaceuticals 0.08 16647 32.62 43.70
WLDN Willdan 0.08 38224 15.83 14.11
Kinder Morgan 0.08 -3.00% 13095 42.08 0.00
Xylem 0.08 +33.00% 16187 35.03 0.00
Artisan Partners 0.08 11922 45.46 0.00
PKG Packaging Corporation of America 0.07 5943 78.24 77.86
CPB Campbell Soup Company 0.07 10456 46.58 45.09
PKI PerkinElmer 0.07 9098 51.11 46.52
PVA Penn Virginia Corporation 0.07 +3.00% 76434 6.48 6.36
ADS Alliance Data Systems Corporation 0.07 1617 296.23 275.30
SWN Southwestern Energy Company 0.07 +50.00% 22672 23.20 21.94
CHS Chico's FAS 0.07 +16.00% 27044 17.67 17.91
EEFT Euronet Worldwide 0.07 8457 58.77 53.73
ATEC Alphatec Holdings 0.07 331136 1.45 1.52
PRCP Perceptron 0.07 NEW 38475 13.52 11.91
DGI DigitalGlobe 0.07 +122.00% 14710 34.06 34.83
TRIB Trinity Biotech 0.07 24581 19.24 18.81
Biotelemetry 0.07 52705 8.84 0.00
Mix Telematics Ltd - 0.07 +34.00% 67081 6.98 0.00
Endurance Intl Group Hldgs I 0.07 26914 19.06 0.00
AXP American Express Company 0.06 5333 78.19 79.39
IACI IAC/InterActive 0.06 6043 67.52 68.07
WMT Wal-Mart Stores 0.06 5500 82.18 81.06
BUD Anheuser-Busch InBev NV 0.06 3229 122.02 120.72
MMS MAXIMUS 0.06 6250 66.72 61.29
MDRX Allscripts Healthcare Solutions 0.06 33780 11.96 11.88
Sunopta 0.06 +4.00% 38716 10.62 0.00
AXTI AXT 0.06 157267 2.69 2.65
MD Mednax 0.06 -26.00% 5441 72.60 70.95
Del Friscos Restaurant 0.06 -90.00% 20381 20.17 0.00
Whitewave Foods 0.06 10375 44.34 0.00
Zendesk 0.06 +6.00% 19065 22.71 0.00
Maxpoint Interactive 0.06 NEW 42261 9.58 0.00
XOM Exxon Mobil Corporation 0.05 -13.00% 4589 84.99 84.57
CMC Commercial Metals Company 0.05 +16.00% 21982 16.20 14.51
Everest Re 0.05 2125 174.12 0.00
VRSK Verisk Analytics 0.05 5221 71.44 69.61
MTX Minerals Technologies 0.05 4694 73.07 68.96
ETP Energy Transfer Partners 0.05 6202 55.79 54.95
FLS Flowserve Corporation 0.05 +33.00% 5910 56.51 57.90
SNX SYNNEX Corporation 0.05 4296 77.28 73.25
Nxp Semiconductors N V 0.05 -94.00% 3738 100.32 0.00
VRNT Verint Systems 0.05 6164 61.97 57.84
YOKU Youku 0.05 29771 12.50 16.00
Silver Spring Networks 0.05 +34.00% 40964 8.93 0.00
Liberty Tax 0.05 12100 27.85 0.00
SGEN Seattle Genetics 0.04 +16.00% 8123 35.33 36.91
MMM 3M Company 0.04 1742 164.75 162.72
ADP Automatic Data Processing 0.04 -2.00% 3242 85.75 85.00
ALL Allstate Corporation 0.04 4033 71.16 68.72
LXK Lexmark International 0.04 6929 42.29 38.67
FAST Fastenal Company 0.04 7500 41.47 40.46
Enterprise Products Partners 0.04 8520 32.98 0.00
DSW DSW 0.04 8211 36.90 37.15
AIRM Air Methods Corporation 0.04 NEW 6504 46.59 50.09
CXO Concho Resources 0.04 2393 115.75 107.77
FNSR Finisar Corporation 0.04 NEW 13816 21.35 21.81
CPHD Cepheid 0.04 NEW 5355 56.96 55.12
X United States Steel Corporation 0.04 10415 24.39 22.23
PODD Insulet Corporation 0.04 -14.00% 8958 33.38 32.59
Avago Technologies 0.04 2100 127.14 0.00
USEG U.S. Energy 0.04 266162 1.13 1.28
Homeaway 0.04 9825 30.13 0.00
Tripadvisor 0.04 3091 83.14 0.00
Tecogen 0.04 60499 5.07 0.00
New Relic 0.04 NEW 7236 34.69 0.00
CMCSA Comcast Corporation 0.03 4333 56.54 58.60
CPRT Copart 0.03 6600 37.58 36.58
EBAY eBay 0.03 3884 57.67 59.78
RDS.A Royal Dutch Shell 0.03 3948 59.52 0.00
TRAK DealerTrack Holdings 0.03 +16.00% 6405 38.56 37.34
UMC United Microelectronics 0.03 91400 2.44 2.46
Duke Energy 0.03 -3.00% 2980 76.85 0.00
Ohr Pharmaceutical 0.03 NEW 74800 2.54 0.00
Masonite International 0.03 NEW 3527 67.20 0.00
Adeptus Health Inc-class A 0.03 NEW 4195 50.30 0.00
Freshpet 0.03 NEW 11100 19.46 0.00
F Ford Motor Company 0.02 10437 16.10 15.85
KEYW KEYW Holding 0.02 20954 8.21 7.37
XCO EXCO Resources 0.01 +16.00% 27624 1.85 1.61
Mad Catz Interactive 0.01 -13.00% 100559 0.37 0.00
STLY Stanley Furniture 0.01 NEW 12633 3.17 3.53
SLP Simulations Plus 0.01 -13.00% 10043 6.17 6.18
SUMR Summer Infant 0.01 -13.00% 15622 2.69 2.73
DYSL Dynasil Corporation of America 0.01 -13.00% 28760 1.36 1.50
BLTI Biolase Technology 0.01 -13.00% 20632 2.04 0.00
Forbes Energy Services 0.01 86617 1.04 0.00
Chembio Diagnostics 0.01 -13.00% 12461 4.01 0.00
Active Power 0.01 NEW 18740 2.19 0.00
LEDS SemiLEDs Corporation 0.00 -13.00% 46871 0.62 1.03
Gigoptix 0.00 -13.00% 28198 1.21 0.00
Halcon Resources 0.00 12538 1.52 0.00