ESSEX INVESTMENT MANAGEMENT CO LLC Information

125 HIGH STREET, BOSTON, Massachusetts, 02110, (617) 482-4870

Report Date: 03/31/2015

Position Statistics

Total Positions 369
New Positions 40
Increased Positions 146
Decreased Positions 171
Positions with Activity 317
Sold Out Positions 53
Total Mkt Value (in $ millions) 731

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Sector Weighting

Basic Materials 3.22%
Capital Goods 3.35%
Conglomerates 0.38%
Consumer Cyclical 1.39%
Consumer/Non-Cyclical 1.71%
Energy 4.52%
Financial 9%
Healthcare 22.6%
Services 9.18%
Technology 28.46%
Transportation 2.85%
Utilities 0.26%

40 New Positions as of 03/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
SHAKE SHACK INC CL A 6,471 6,471 New 107,778
BOX INC CL A 6,149 6,149 New 327,786
AMBARELLA INC SHS 5,076 5,076 New 49,825
F5 NETWORKS INC COM 3,218 3,218 New 26,756
OCCIDENTAL PETE CORP DEL COM 2,863 2,863 New 37,697
ANADARKO PETE CORP COM 2,797 2,797 New 36,236
SPIRIT AIRLS INC COM 2,741 2,741 New 44,303
SUCAMPO PHARMACEUTICALS INC CL A 2,640 2,640 New 154,540
BARRICK GOLD CORP COM 2,357 2,357 New 225,566
GIGAMON INC COM 1,813 1,813 New 54,678
TABLEAU SOFTWARE INC CL A 1,778 1,778 New 15,198
SPLUNK INC COM 1,526 1,526 New 21,971
ALBANY MOLECULAR RESH INC COM 1,391 1,391 New 70,428
LSI INDS INC COM 1,062 1,062 New 113,145
VIVINT SOLAR INC COM 1,048 1,048 New 89,868
NIMBLE STORAGE INC COM 1,043 1,043 New 37,652
DOT HILL SYS CORP COM 1,035 1,035 New 169,628
ARDMORE SHIPPING CORP COM 999 999 New 81,822
SYNERGETICS USA INC COM 949 949 New 201,565
HACKETT GROUP INC COM 928 928 New 69,495