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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
+8.84%
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
$656M
AUM Growth
+$2.52M
Cap. Flow
-$21.1M
Cap. Flow %
-3.22%
Top 10 Hldgs %
18.98%
Holding
335
New
36
Increased
22
Reduced
128
Closed
29

Top Buys

Rank Stock Value
1
XZO
Exzeo Group
XZO
+$5.54M
2
THRM icon
Gentherm
THRM
+$4M
3
WGO icon
Winnebago Industries
WGO
+$3.99M
4
OSG
Octave Specialty Group
OSG
+$3.51M
5
WK icon
Workiva
WK
+$3.43M

Top Sells

Rank Stock Value
1
CLPT icon
ClearPoint Neuro
CLPT
+$5.07M
2
INSM icon
Insmed
INSM
+$4.5M
3
NVRI icon
Enviri
NVRI
+$4.47M
4
PENG
Penguin Solutions Inc
PENG
+$4.42M
5
KTOS icon
Kratos Defense & Security Solutions
KTOS
+$4.41M

Sector Composition

Rank Sector Weight
1 Industrials 27.31%
2 Technology 25.7%
3 Healthcare 21.88%
4 Financials 7.67%
5 Communication Services 4.96%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TSEM icon
1
Tower Semiconductor
TSEM
$29.4B
$22.6M 3.45%
192,628
-3,711
-2% -$357K
KTOS icon
2
Kratos Defense & Security Solutions
KTOS
$12B
$14.4M 2.2%
190,194
-53,861
-22% -$4.41M
STRL icon
3
Sterling Infrastructure
STRL
$16.8B
$13.7M 2.09%
44,685
-951
-2% -$328K
HCI icon
4
HCI Group
HCI
$2.28B
$11.3M 1.73%
59,209
-1,109
-2% -$209K
LGND icon
5
Ligand Pharmaceuticals
LGND
$5.85B
$11.3M 1.73%
60,020
-1,122
-2% -$216K
INSM icon
6
Insmed
INSM
$28.9B
$10.9M 1.66%
62,423
-24,654
-28% -$4.5M
KNSA icon
7
Kiniksa Pharmaceuticals
KNSA
$6.1B
$10.4M 1.58%
250,975
+3,674
+1% +$147K
GSAT icon
8
Globalstar
GSAT
$10.8B
$10.2M 1.56%
167,389
-26,954
-14% -$1.49M
ADPT icon
9
Adaptive Biotechnologies
ADPT
$4.02B
$10.1M 1.55%
624,217
-14,244
-2% -$232K
AAPL icon
10
Apple
AAPL
$4.41T
$9.48M 1.45%
34,868
-1,392
-4% -$374K
LINC icon
11
Lincoln Educational Services
LINC
$945M
$9.39M 1.43%
388,819
-8,540
-2% -$186K
CECO icon
12
Ceco Environmental
CECO
$4.43B
$9.24M 1.41%
154,457
-3,523
-2% -$188K
GHM icon
13
Graham Corp
GHM
$1.33B
$9.04M 1.38%
140,691
-3,051
-2% -$184K
MIRM icon
14
Mirum Pharmaceuticals
MIRM
$6.04B
$8.79M 1.34%
111,310
-2,148
-2% -$154K
DRS icon
15
Leonardo DRS
DRS
$12.1B
$8.76M 1.33%
256,862
-5,688
-2% -$210K
AGX icon
16
Argan
AGX
$8.02B
$8.66M 1.32%
27,628
-670
-2% -$213K
MSFT icon
17
Microsoft
MSFT
$3.66T
$8.52M 1.3%
17,613
-652
-4% -$327K
WLDN icon
18
Willdan Group
WLDN
$1.29B
$7.97M 1.22%
76,921
-1,994
-3% -$196K
GS icon
19
Goldman Sachs
GS
$302B
$7.61M 1.16%
8,659
-334
-4% -$273K
TTI icon
20
TETRA Technologies
TTI
$1.29B
$7.12M 1.09%
760,393
-16,511
-2% -$127K
MIR icon
21
Mirion Technologies
MIR
$3.79B
$7.1M 1.08%
303,352
-7,148
-2% -$178K
XZO
22
Exzeo Group
XZO
$1.38B
$7.06M 1.08%
+291,076
New +$5.54M
AVPT icon
23
AvePoint
AVPT
$2.75B
$7.06M 1.08%
508,014
-10,218
-2% -$141K
AEM icon
24
Agnico Eagle Mines
AEM
$93.8B
$6.78M 1.03%
40,022
-821
-2% -$138K
AMZN icon
25
Amazon
AMZN
$2.88T
$6.66M 1.01%
28,833
-452
-2% -$103K
1
2 3 4 5

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Essex Investment Management's Q4 2025 Portfolio in Review

As of Q4 2025, Essex Investment Management held 335 positions worth $656M, up 0.39% from $653M the previous quarter. Its ten largest holdings account for 19% of the portfolio.

Essex Investment Management withdrew a net $21.1M in Q4 2025, closing 29 positions and reducing 128 holdings. Its most notable exit was ClearPoint Neuro, an estimated $5.07M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 27% of assets, down from 32% a quarter earlier, followed by Technology and Healthcare.

Against the trend, Essex Investment Management opened a new position in Exzeo Group worth $7.06M.

  • Essex Investment Management's largest Q4 2025 buy was Exzeo Group: 291,076 shares worth $7.06M.
  • Essex Investment Management added most to Workiva in Q4 2025, an estimated $3.43M increase.
  • Essex Investment Management's biggest Q4 2025 reduction was Insmed, cutting an estimated $4.5M.
  • Essex Investment Management fully exited ClearPoint Neuro in Q4 2025, selling an estimated $5.07M.
  • Essex Investment Management's ten largest holdings make up 19% of its $656M portfolio in Q4 2025.
  • Essex Investment Management opened 36 new positions and closed 29 in Q4 2025.
  • Essex Investment Management's portfolio value rose 0.39% quarter-over-quarter to $656M.

Based on Essex Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.