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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
ACNT icon
301
Ascent Industries
ACNT
$141M
– –
-12,041
Closed -$195K
AIRG icon
302
Airgain
AIRG
$72.4M
– –
-19,398
Closed -$78.8K
ANGO icon
303
AngioDynamics
ANGO
$649M
– –
-360,544
Closed -$4.63M
ARRY icon
304
Array Technologies
ARRY
$855M
– –
-46,725
Closed -$431K
BLDR icon
305
Builders FirstSource
BLDR
$8.04B
– –
-13,482
Closed -$1.39M
CRNT icon
306
Ceragon Networks
CRNT
$201M
– –
-1,391,697
Closed -$2.92M
CTM icon
307
Castellum
CTM
$58.3M
– –
-2,114,029
Closed -$1.91M
CWAN
308
DELISTED
Clearwater Analytics
CWAN
– –
-2,298
Closed -$55.4K
DE icon
309
Deere & Co
DE
$168B
– –
-1,468
Closed -$683K
DERM icon
310
Journey Medical
DERM
$177M
– –
-345,977
Closed -$2.67M
DFLI icon
311
Dragonfly Energy
DFLI
$18.9M
– –
-196,007
Closed -$602K
EPD icon
312
Enterprise Products Partners
EPD
$81.7B
– –
-1,266
Closed -$40.6K
FSLR icon
313
First Solar
FSLR
$26.9B
– –
-8,021
Closed -$2.1M
GLDD
314
DELISTED
Great Lakes Dredge & Dock
GLDD
– –
-301,986
Closed -$3.96M
LASE icon
315
Laser Photonics
LASE
$57.2M
– –
-27,361
Closed -$67.6K
LZ icon
316
LegalZoom.com
LZ
$988M
– –
-267,857
Closed -$2.66M
MXL icon
317
MaxLinear
MXL
$6.8B
– –
-235,595
Closed -$4.11M
OWLT icon
318
Owlet
OWLT
$160M
– –
-28,563
Closed -$462K
PHR icon
319
Phreesia
PHR
$773M
– –
-102,423
Closed -$1.73M
PRLB icon
320
Protolabs
PRLB
$2.13B
– –
-15,504
Closed -$784K
PROF
321
Profound Medical
PROF
$269M
– –
-309,604
Closed -$2.44M
RDCM icon
322
Radcom
RDCM
$169M
– –
-228,305
Closed -$2.99M
SLND icon
323
Southland Holdings
SLND
$31.4M
– –
-475,723
Closed -$1.58M
SPY icon
324
State Street SPDR S&P 500 ETF Trust
SPY
$823B
– –
-85
Closed -$58K
UVE icon
325
Universal Insurance Holdings
UVE
$1.23B
– –
-177,374
Closed -$6M
10 11 12
13
14

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AMM
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WA
WFM Asia Road Town, Tortola, British Virgin Islands $632M AUM 14.51% 1-Year Est. Return
BI
BlueSpruce Investments Chicago, Illinois $631M AUM 11.83% 1-Year Est. Return
LCM
Lynx1 Capital Management San Juan, Puerto Rico $633M AUM 173.22% 1-Year Est. Return
KCMH
Keywise Capital Management (HK) Hong Kong $630M AUM 81.01% 1-Year Est. Return
SFM
Sphera Funds Management Tel Aviv, Israel $630M AUM 108.65% 1-Year Est. Return
ACM
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VIM
Vancity Investment Management Vancouver, British Columbia, Canada $629M AUM 2.49% 1-Year Est. Return

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.