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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
RFIL icon
201
RF Industries
RFIL
$142M
$184K 0.03%
17,895
-6,703
-27% -$68K
TRT
202
Trio-Tech International
TRT
$109M
$182K 0.03%
31,474
– –
COST icon
203
Costco
COST
$421B
$179K 0.03%
180
– –
LNSR icon
204
LENSAR
LNSR
$70.4M
$179K 0.03%
30,034
– –
RELL icon
205
Richardson Electronics
RELL
$305M
$176K 0.03%
16,092
– –
MATX icon
206
Matsons
MATX
$6.17B
$172K 0.03%
1,052
– –
AMPG icon
207
AmpliTech
AMPG
$138M
$167K 0.03%
87,840
– –
GEOS icon
208
Geospace Technologies
GEOS
$88.2M
$166K 0.03%
13,636
– –
ABT icon
209
Abbott
ABT
$187B
$166K 0.03%
1,616
-15
-0.9% -$1.69K
GSIT icon
210
GSI Technology
GSIT
$254M
$157K 0.02%
30,454
– –
NVMI
211
Nova
NVMI
$12.1B
$156K 0.02%
359
– –
APT icon
212
Alpha Pro Tech
APT
$53.3M
$153K 0.02%
34,375
– –
ORCL icon
213
Oracle
ORCL
$413B
$147K 0.02%
1,000
– –
TACT icon
214
Transact Technologies
TACT
$58.4M
$143K 0.02%
43,333
– –
FSI icon
215
Flexible Solutions
FSI
$64.2M
$142K 0.02%
26,252
– –
ADP icon
216
Automatic Data Processing
ADP
$109B
$138K 0.02%
681
-7
-1% -$1.6K
MRK icon
217
Merck
MRK
$317B
$136K 0.02%
1,132
– –
AIT icon
218
Applied Industrial Technologies
AIT
$13.3B
$134K 0.02%
505
– –
GNSS icon
219
Genasys
GNSS
$80.2M
$133K 0.02%
72,907
– –
HBIO icon
220
Harvard Bioscience
HBIO
$27.9M
$132K 0.02%
27,021
+8,553
+46% +$47.8K
DUOT icon
221
Duos Technologies
DUOT
$273M
$131K 0.02%
19,138
– –
MPWR icon
222
Monolithic Power Systems
MPWR
$66.8B
$131K 0.02%
120
– –
NTWK icon
223
NetSol Technologies
NTWK
$51.9M
$127K 0.02%
+37,493
New +$125K
LVO icon
224
LiveOne
LVO
$56.9M
$125K 0.02%
+24,535
New +$119K
NEPH icon
225
Nephros
NEPH
$39M
$116K 0.02%
38,984
– –
7 8
9
10 11

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WA
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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.