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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
+7.95%
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
$632M
AUM Growth
-$24.2M
Cap. Flow
-$29.9M
Cap. Flow %
-4.73%
Top 10 Hldgs %
19.9%
Holding
333
New
27
Increased
83
Reduced
86
Closed
28

Top Buys

Rank Stock Value
1
NVCR icon
NovoCure
NVCR
+$5.65M
2
SNDX icon
Syndax Pharmaceuticals
SNDX
+$4.32M
3
MG icon
Mistras Group
MG
+$3.88M
4
RSKD icon
Riskified
RSKD
+$3.56M
5
MITK icon
Mitek Systems
MITK
+$3.41M

Top Sells

Rank Stock Value
1
TSEM icon
Tower Semiconductor
TSEM
+$10.3M
2
BBNX
Beta Bionics
BBNX
+$6.64M
3
UVE icon
Universal Insurance Holdings
UVE
+$6M
4
STRL icon
Sterling Infrastructure
STRL
+$4.94M
5
AGX icon
Argan
AGX
+$4.7M

Sector Composition

Rank Sector Weight
1 Industrials 28.14%
2 Technology 24.71%
3 Healthcare 23.43%
4 Financials 5.67%
5 Consumer Staples 4.62%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WGO icon
326
Winnebago Industries
WGO
$909M
– –
-109,490
Closed -$4.44M
BBNX
327
Beta Bionics
BBNX
$715M
– –
-217,796
Closed -$6.64M
10 11 12 13
14

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BI
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LCM
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KCMH
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SFM
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ACM
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VIM
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Essex Investment Management's Q1 2026 Portfolio in Review

As of Q1 2026, Essex Investment Management held 333 positions worth $632M, down 3.7% from $656M the previous quarter. Its ten largest holdings account for 20% of the portfolio.

Essex Investment Management withdrew a net $29.9M in Q1 2026, closing 28 positions and reducing 86 holdings. Its most notable exit was Beta Bionics, an estimated $6.64M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 28% of assets, up from 27% a quarter earlier, followed by Technology and Healthcare.

Against the trend, Essex Investment Management opened a new position in NovoCure worth $4.93M.

  • Essex Investment Management's largest Q1 2026 buy was NovoCure: 452,370 shares worth $4.93M.
  • Essex Investment Management added most to Rapid Micro Biosystems in Q1 2026, an estimated $3.01M increase.
  • Essex Investment Management's biggest Q1 2026 reduction was Tower Semiconductor, cutting an estimated $10.3M.
  • Essex Investment Management fully exited Beta Bionics in Q1 2026, selling an estimated $6.64M.
  • Essex Investment Management's ten largest holdings make up 20% of its $632M portfolio in Q1 2026.
  • Essex Investment Management opened 27 new positions and closed 28 in Q1 2026.
  • Essex Investment Management's portfolio value fell 3.7% quarter-over-quarter to $632M.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.