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Latest ESSEX INVESTMENT MANAGEMENT CO LLC Stock Portfolio

$763Million | No. of Holdings #306

ESSEX INVESTMENT MANAGEMENT CO LLC Performance

2026 Q2+22.83%
YTD+23.03%
2025+32.73%

About ESSEX INVESTMENT MANAGEMENT CO LLC and 13F Hedge Fund Stock Holdings

ESSEX INVESTMENT MANAGEMENT CO LLC is a hedge fund based in Boston, MA. On 2026-08-06, the fund reported it's updated stock portfolio. In the 13F Holdings report, ESSEX INVESTMENT MANAGEMENT CO LLC reported an equity portfolio of $763.4 Millions as of 30 Jun, 2026. <br><br> The top stock holdings of ESSEX INVESTMENT MANAGEMENT CO LLC are TSEM, LINC, . The fund has invested 3.6% of it's portfolio in TOWER SEMICONDUCTOR LTD and 2.2% of portfolio in LINCOLN EDL SVCS CORP. <br><br> The fund managers got completely rid off GLOBALSTAR INC (GSAT), PRIMORIS SVCS CORP (PRIM) and BIOVENTUS INC (BVS) stocks. They significantly reduced their stock positions in WORKIVA INC (WK), CPS TECHNOLOGIES CORP (CPSH) and RAPID MICRO BIOSYSTEMS INC (RPID). ESSEX INVESTMENT MANAGEMENT CO LLC opened new stock positions in WERNER ENTERPRISES INC (WERN), XOMETRY INC (XMTR) and BLUELINX HLDGS INC (BXC). The fund showed a lot of confidence in some stocks as they added substantially to SPROUTS FMRS MKT INC (SFM), ISHARES TR (IJR) and BADGER METER INC (BMI).
ESSEX INVESTMENT MANAGEMENT CO LLC Equity Portfolio Value
Last Reported on: 06 Aug, 2026
$763Million
  as of Aug 06, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC Annual Return Estimates Vs S&P 500

Our best estimate is that ESSEX INVESTMENT MANAGEMENT CO LLC made a return of 22.83% in the last quarter. In trailing 12 months, it's portfolio return was 48.57%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
werner enterprises inc10,101,200
xometry inc5,397,300
bluelinx hldgs inc5,358,380
interface inc4,422,690
precigen inc4,025,880
nuvation bio inc3,811,510
forum energy technologies inc3,345,870
crowdstrike hldgs inc3,181,530
New stocks bought by ESSEX INVESTMENT MANAGEMENT CO LLC

Additions

Ticker% Inc.
sprouts fmrs mkt inc430
ishares tr226
badger meter inc206
legacy ed inc129
information svcs group inc110
lantronix inc93.31
biodesix inc83.15
patrick inds inc79.46
Additions to existing portfolio by ESSEX INVESTMENT MANAGEMENT CO LLC

Reductions

Ticker% Reduced
workiva inc-98.00
cps technologies corp-70.96
rapid micro biosystems inc-58.97
enphase energy inc-49.99
sterling infrastructure inc-49.61
valmont inds inc-45.96
aeva technologies inc-41.61
nvent elec plc-39.67
ESSEX INVESTMENT MANAGEMENT CO LLC reduced stake in above stock

Sold off

Ticker$ Sold
carecloud inc-2,547,100
bioventus inc-5,507,750
cs disco inc-2,060,180
infusystem hldgs inc-2,762,830
varex imaging corp-2,966,040
allot ltd-1,505,530
everquote inc-3,347,300
syndax pharmaceuticals inc-4,648,290
ESSEX INVESTMENT MANAGEMENT CO LLC got rid off the above stocks

Sector Distribution

ESSEX INVESTMENT MANAGEMENT CO LLC has about 23.9% of it's holdings in Technology sector.

  • Technology
  • Industrials
  • Others
  • Healthcare
  • Financial Services
  • Consumer Defensive
  • Consumer Cyclical
  • Energy
  • Communication Services
Sector%
Technology23.9
Industrials21.7
Others17.6
Healthcare16.9
Financial Services4.3
Consumer Defensive4.2
Consumer Cyclical4
Energy3.7
1.8
Communication Services1.3

Market Cap. Distribution

ESSEX INVESTMENT MANAGEMENT CO LLC has about 18.8% of it's portfolio invested in the large-cap and mega-cap stocks.

  • SMALL-CAP
  • MID-CAP
  • UNALLOCATED
  • LARGE-CAP
  • MICRO-CAP
  • MEGA-CAP
Category%
SMALL-CAP30.1
MID-CAP25.2
UNALLOCATED17.6
LARGE-CAP13.9
MICRO-CAP8.1
MEGA-CAP4.9

Stocks belong to which Index?

About 57% of the stocks held by ESSEX INVESTMENT MANAGEMENT CO LLC either belong to S&P 500 or RUSSELL 2000 index.

  • RUSSELL 2000
  • Others
  • S&P 500
Index%
RUSSELL 200048.4
Others43
S&P 5008.6
Top 5 Winners (%)%
MU
micron technology inc
241.7 %
AMPG
amplitech group inc
224.9 %
ACMR
acm resh inc
222.5 %
ambiq micro inc
211.8 %
VNCE
vince hldg corp
196.5 %
Top 5 Winners ($)$
STRL
sterling infrastructure inc
10.4 M
TSEM
tower semiconductor ltd
9.4 M
AIP
arteris inc
9.1 M
OUST
ouster inc
9.1 M
COHU
cohu inc
7.0 M
Top 5 Losers (%)%
IDN
intellicheck mobilisa inc
-39.4 %
INTU
intuit
-35.6 %
LYB
lyondellbasell industries nv
-34.7 %
INSM
insmed inc
-29.3 %
KTOS
kratos defense & sec solutions
-28.8 %
Top 5 Losers ($)$
KTOS
kratos defense & sec solutions
-3.2 M
INSM
insmed inc
-3.0 M
AEM
agnico eagle mines ltd
-1.8 M
IDN
intellicheck mobilisa inc
-1.5 M
PATK
patrick inds inc
-1.4 M

ESSEX INVESTMENT MANAGEMENT CO LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of ESSEX INVESTMENT MANAGEMENT CO LLC

ESSEX INVESTMENT MANAGEMENT CO LLC has 306 stocks in it's portfolio. About 20.1% of the portfolio is in top 10 stocks. KTOS proved to be the most loss making stock for the portfolio. STRL was the most profitable stock for ESSEX INVESTMENT MANAGEMENT CO LLC last quarter.

$763.37MTotal Value
332Positions
06 Aug, 2026Last Reported
Current holdings of Current Stock Holdings of ESSEX INVESTMENT MANAGEMENT CO LLC, last reported on 06 Aug, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change
AEM
Agnico Eagle Mines Ltd

Agnico Eagle Mines Ltd

AEM
ESSEX INVESTMENT MANAGEMENT CO LLC's holding in Agnico Eagle Mines Ltd over time
0.78%38,462
$5.97M
0.78%
decreased 0.47 percentreduced
AFK
Vaneck Etf Trust

Vaneck Etf Trust

AFK
ESSEX INVESTMENT MANAGEMENT CO LLC's holding in Vaneck Etf Trust over time
0%156
$15.3K
0%
unchanged 0 percentunchanged
ALLT
Allot Ltd

Allot Ltd

ALLT
ESSEX INVESTMENT MANAGEMENT CO LLC's holding in Allot Ltd over time
0%0.00
$0.00
0%
decreased 100 percentsold off