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EIM

Essex Investment Management Portfolio holdings

AUM $763M
1-Year Est. Return 108.51%
This Fund
S&P 500
This Quarter Est. Return
+7.95%
1 Year Est. Return
+108.51%
3 Year Est. Return
+371.52%
5 Year Est. Return
+467.53%
10 Year Est. Return
+4,582.43%
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
TSEM icon
1
Tower Semiconductor
TSEM
$23.5B
$20.3M 3.22%
115,933
-76,695
-40% -$10.3M
LINC icon
2
Lincoln Educational Services
LINC
$807M
$14.5M 2.29%
355,304
-33,515
-9% -$1.05M
STRL icon
3
Sterling Infrastructure
STRL
$14.4B
$13.1M 2.07%
32,057
-12,628
-28% -$4.94M
KNSA icon
4
Kiniksa Pharmaceuticals
KNSA
$6.09B
$12M 1.9%
249,278
-1,697
-0.7% -$75.2K
LGND icon
5
Ligand Pharmaceuticals
LGND
$5.59B
$11.7M 1.85%
58,460
-1,560
-3% -$309K
DRS icon
6
Leonardo DRS
DRS
$10.3B
$11.6M 1.84%
261,454
+4,592
+2% +$194K
KTOS icon
7
Kratos Defense & Security Solutions
KTOS
$9.76B
$11.2M 1.77%
158,844
-31,350
-16% -$3.01M
GSAT icon
8
Globalstar
GSAT
$10.6B
$11M 1.74%
165,665
-1,724
-1% -$105K
INSM icon
9
Insmed
INSM
$25.9B
$10.2M 1.62%
62,676
+253
+0.4% +$38.9K
GHM icon
10
Graham Corp
GHM
$1.01B
$10.1M 1.6%
128,294
-12,397
-9% -$971K
MIRM icon
11
Mirum Pharmaceuticals
MIRM
$5.94B
$10M 1.58%
108,338
-2,972
-3% -$280K
CECO icon
12
Ceco Environmental
CECO
$4.08B
$9.37M 1.48%
157,246
+2,789
+2% +$179K
HCI icon
13
HCI Group
HCI
$2.32B
$8.91M 1.41%
57,634
-1,575
-3% -$258K
AGX icon
14
Argan
AGX
$5.86B
$8.77M 1.39%
16,098
-11,530
-42% -$4.7M
AAPL icon
15
Apple
AAPL
$4.67T
$8.27M 1.31%
32,580
-2,288
-7% -$595K
BWAY
16
Brainsway
BWAY
$575M
$8.22M 1.3%
618,553
+10,193
+2% +$124K
AEM icon
17
Agnico Eagle Mines
AEM
$104B
$7.84M 1.24%
38,643
-1,379
-3% -$287K
AMSC icon
18
American Superconductor
AMSC
$1.38B
$7.7M 1.22%
227,558
+12,404
+6% +$391K
AMPX icon
19
Amprius Technologies
AMPX
$1.44B
$7.51M 1.19%
445,441
-71,324
-14% -$930K
GEV icon
20
GE Vernova
GEV
$243B
$7.26M 1.15%
8,319
-284
-3% -$222K
PRIM icon
21
Primoris Services
PRIM
$3.94B
$6.89M 1.09%
48,177
-2,804
-6% -$411K
ADPT icon
22
Adaptive Biotechnologies
ADPT
$4.02B
$6.85M 1.08%
493,403
-130,814
-21% -$2.08M
TTI icon
23
TETRA Technologies
TTI
$1.01B
$6.6M 1.04%
774,099
+13,706
+2% +$137K
GS icon
24
Goldman Sachs
GS
$301B
$6.39M 1.01%
7,556
-1,103
-13% -$984K
WLDN icon
25
Willdan Group
WLDN
$1.34B
$5.99M 0.95%
78,292
+1,371
+2% +$145K
1
2 3 4 5

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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.