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EIM

Essex Investment Management Portfolio holdings

AUM $632M
1-Year Est. Return 95.36%
This Fund
S&P 500
This Quarter Est. Return
+26.71%
1 Year Est. Return
+95.36%
3 Year Est. Return
+271.62%
5 Year Est. Return
+354.98%
10 Year Est. Return
+3,586.14%
AUM
$653M
AUM Growth
+$103M
Cap. Flow
-$4.09M
Cap. Flow %
-0.63%
Top 10 Hldgs %
20.29%
Holding
327
New
29
Increased
96
Reduced
56
Closed
28

Top Buys

Rank Stock Value
1
GSAT icon
Globalstar
GSAT
+$5.57M
2
WMS icon
Advanced Drainage Systems
WMS
+$4.37M
3
BBNX
Beta Bionics
BBNX
+$3.91M
4
MXL icon
MaxLinear
MXL
+$3.77M
5
WOR icon
Worthington Enterprises
WOR
+$3.47M

Top Sells

Rank Stock Value
1
KTOS icon
Kratos Defense & Security Solutions
KTOS
+$6.81M
2
AMSC icon
American Superconductor
AMSC
+$5.02M
3
BPMC
Blueprint Medicines
BPMC
+$4.65M
4
NEE icon
NextEra Energy
NEE
+$4.38M
5
NUTX
Nutex Health
NUTX
+$4.03M

Sector Composition

Rank Sector Weight
1 Industrials 31.92%
2 Technology 25.17%
3 Healthcare 20.1%
4 Financials 5.55%
5 Communication Services 4.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
KTOS icon
1
Kratos Defense & Security Solutions
KTOS
$12B
$22.3M 3.41%
244,055
-106,297
-30% -$6.81M
STRL icon
2
Sterling Infrastructure
STRL
$16.8B
$15.5M 2.37%
45,636
-7,485
-14% -$2.12M
AMSC icon
3
American Superconductor
AMSC
$1.56B
$14.6M 2.23%
245,581
-100,461
-29% -$5.02M
TSEM icon
4
Tower Semiconductor
TSEM
$29.4B
$14.2M 2.17%
196,339
+1,043
+0.5% +$57K
INSM icon
5
Insmed
INSM
$28.9B
$12.5M 1.92%
87,077
+20,732
+31% +$2.54M
DRS icon
6
Leonardo DRS
DRS
$12.1B
$11.9M 1.82%
262,550
+8,508
+3% +$371K
HCI icon
7
HCI Group
HCI
$2.28B
$11.6M 1.77%
60,318
+337
+0.6% +$53.4K
LGND icon
8
Ligand Pharmaceuticals
LGND
$5.85B
$10.8M 1.66%
61,142
+332
+0.5% +$49.4K
KNSA icon
9
Kiniksa Pharmaceuticals
KNSA
$6.1B
$9.6M 1.47%
247,301
+75,864
+44% +$2.46M
ADPT icon
10
Adaptive Biotechnologies
ADPT
$4.02B
$9.55M 1.46%
638,461
+21,162
+3% +$258K
MSFT icon
11
Microsoft
MSFT
$3.66T
$9.46M 1.45%
18,265
-220
-1% -$112K
LINC icon
12
Lincoln Educational Services
LINC
$945M
$9.34M 1.43%
397,359
+12,807
+3% +$274K
AAPL icon
13
Apple
AAPL
$4.41T
$9.23M 1.41%
36,260
-387
-1% -$87.4K
MIRM icon
14
Mirum Pharmaceuticals
MIRM
$6.04B
$8.32M 1.27%
113,458
+727
+0.6% +$46.2K
CECO icon
15
Ceco Environmental
CECO
$4.43B
$8.09M 1.24%
157,980
+5,237
+3% +$222K
GHM icon
16
Graham Corp
GHM
$1.33B
$7.89M 1.21%
143,742
+4,768
+3% +$244K
AVPT icon
17
AvePoint
AVPT
$2.75B
$7.78M 1.19%
518,232
+5,529
+1% +$92.8K
AGX icon
18
Argan
AGX
$8.02B
$7.64M 1.17%
28,298
+980
+4% +$225K
WLDN icon
19
Willdan Group
WLDN
$1.29B
$7.63M 1.17%
78,915
-28,312
-26% -$2.68M
PRIM icon
20
Primoris Services
PRIM
$4.39B
$7.57M 1.16%
55,123
-746
-1% -$80.1K
AMPX icon
21
Amprius Technologies
AMPX
$1.79B
$7.34M 1.12%
697,387
-327,970
-32% -$2.58M
MIR icon
22
Mirion Technologies
MIR
$3.79B
$7.22M 1.11%
310,500
+10,684
+4% +$231K
GS icon
23
Goldman Sachs
GS
$302B
$7.16M 1.1%
8,993
-156
-2% -$116K
GSAT icon
24
Globalstar
GSAT
$10.8B
$7.07M 1.08%
+194,343
New +$5.57M
AMBA icon
25
Ambarella
AMBA
$3.66B
$7.04M 1.08%
85,352
+873
+1% +$63.4K
1
2 3 4 5

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Essex Investment Management's Q3 2025 Portfolio in Review

As of Q3 2025, Essex Investment Management held 327 positions worth $653M, up 19% from $550M the previous quarter. Its ten largest holdings account for 20% of the portfolio.

Essex Investment Management's Q3 2025 filing shows 29 new, 96 increased, 56 reduced and 28 closed positions. Its largest new stake was Globalstar: 194,343 shares worth $7.07M. The largest sale was Kratos Defense & Security Solutions, an estimated $6.81M.

By sector, the portfolio is most concentrated in Industrials at 32% of assets, up from 30% a quarter earlier, followed by Technology and Healthcare.

  • Essex Investment Management's largest Q3 2025 buy was Globalstar: 194,343 shares worth $7.07M.
  • Essex Investment Management added most to Advanced Drainage Systems in Q3 2025, an estimated $4.37M increase.
  • Essex Investment Management's biggest Q3 2025 reduction was Kratos Defense & Security Solutions, cutting an estimated $6.81M.
  • Essex Investment Management fully exited Blueprint Medicines in Q3 2025, selling an estimated $4.65M.
  • Essex Investment Management's ten largest holdings make up 20% of its $653M portfolio in Q3 2025.
  • Essex Investment Management opened 29 new positions and closed 28 in Q3 2025.
  • Essex Investment Management's portfolio value rose 19% quarter-over-quarter to $653M.

Based on Essex Investment Management's 13F filing for Q3 2025, filed 6 Nov 2025.