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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
AIP icon
51
Arteris
AIP
$1.38B
$4.42M 0.67%
285,167
-6,992
-2% -$101K
COHU icon
52
Cohu
COHU
$2.75B
$4.39M 0.67%
188,533
-4,313
-2% -$98.8K
SIBN icon
53
SI-BONE Inc
SIBN
$849M
$4.12M 0.63%
208,722
-4,663
-2% -$81K
LAW icon
54
CS Disco
LAW
$285M
$4.11M 0.63%
529,780
+85,838
+19% +$605K
MXL icon
55
MaxLinear
MXL
$7.01B
$4.11M 0.63%
235,595
-4,674
-2% -$76.1K
ARQT icon
56
Arcutis Biotherapeutics
ARQT
$3.26B
$4.1M 0.63%
141,271
-54,991
-28% -$1.41M
AMPX icon
57
Amprius Technologies
AMPX
$1.75B
$4.08M 0.62%
516,765
-180,622
-26% -$2.06M
ASML icon
58
ASML
ASML
$713B
$4.07M 0.62%
3,806
-64
-2% -$66.8K
THRM icon
59
Gentherm
THRM
$1.28B
$4.04M 0.62%
+111,037
New +$4M
GLDD
60
DELISTED
Great Lakes Dredge & Dock
GLDD
$3.96M 0.6%
301,986
-6,823
-2% -$84.1K
JAZZ icon
61
Jazz Pharmaceuticals
JAZZ
$16B
$3.94M 0.6%
23,195
+2,732
+13% +$419K
OUST icon
62
Ouster
OUST
$3.34B
$3.92M 0.6%
181,326
-4,338
-2% -$115K
DLTR icon
63
Dollar Tree
DLTR
$24.8B
$3.91M 0.6%
31,777
-1,817
-5% -$195K
RAIL icon
64
FreightCar America
RAIL
$242M
$3.83M 0.58%
346,144
+140,946
+69% +$1.29M
OII icon
65
Oceaneering
OII
$5.12B
$3.74M 0.57%
155,434
-3,827
-2% -$92.4K
SMTC icon
66
Semtech
SMTC
$12.7B
$3.66M 0.56%
49,707
-1,239
-2% -$87.9K
STXS icon
67
Stereotaxis
STXS
$138M
$3.59M 0.55%
1,562,019
-36,095
-2% -$96.1K
CMCO icon
68
Columbus McKinnon
CMCO
$547M
$3.59M 0.55%
+207,990
New +$3.33M
DAKT icon
69
Daktronics
DAKT
$998M
$3.54M 0.54%
+178,876
New +$3.42M
TRMB icon
70
Trimble
TRMB
$12.8B
$3.42M 0.52%
43,608
-2,061
-5% -$164K
RDVT icon
71
Red Violet
RDVT
$1.15B
$3.41M 0.52%
59,863
-1,354
-2% -$73.4K
WK icon
72
Workiva
WK
$3.68B
$3.41M 0.52%
39,520
+38,792
+5,329% +$3.43M
GFF icon
73
Griffon
GFF
$4.82B
$3.4M 0.52%
46,200
-1,102
-2% -$81.9K
NPCE icon
74
Neuropace
NPCE
$508M
$3.3M 0.5%
213,892
-2,830
-1% -$37.8K
LQDT icon
75
Liquidity Services
LQDT
$1.33B
$3.22M 0.49%
106,088
-2,364
-2% -$63.5K
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.