Filed: 2/13/2026ACC: 0000201772-26-000001
📋 What this filing means
ESSEX INVESTMENT MANAGEMENT CO LLC filed this quarterly 13F‑HR report disclosing 306 equity positions with a total reported market value of $655.94M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
306
Positions
$655.94M
Total AUM (reported)
33.06M
Total Shares
Allocation by class
COM$643.98M98.2%
ADR$10.81M1.6%
ETF$1.15M0.2%
Portfolio Concentration
Top 3$50.74M7.7%
4–10$73.75M11.2%
11–25$119.76M18.3%
Rest$411.69M62.8%
Top 3 weight
7.7%
Top 10 weight
19.0%
Voting Authority Distribution
Total shares with voting rights: 33.06M
Sole
Full voting authority
19.29M
shares
% of voting shares58.4%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
13.77M
shares
% of voting shares41.6%
Investment Discretion (by position count)
Sole306
Shared0
Other0
Dominant voting typeSole · 58.4% of voting shares
Institutional Holdings306
Rows:
TOWER SEMICONDUCTOR LTD
SOLEShares192.63K
TypeSH
Market value$22.62M
3.45%
Sole
146.89K
Shared
0.00
None
45.73K
KRATOS DEFENSE & SEC SOLUTIONS
SOLEShares190.19K
TypeSH
Market value$14.44M
2.20%
Sole
123.54K
Shared
0.00
None
66.66K
STERLING INFRASTRUCTURE INC
SOLEShares44.69K
TypeSH
Market value$13.68M
2.09%
Sole
32.71K
Shared
0.00
None
11.97K
HCI GROUP INC
SOLEShares59.21K
TypeSH
Market value$11.35M
1.73%
Sole
44.97K
Shared
0.00
None
14.24K
LIGAND PHARMACEUTICALS INC
SOLEShares60.02K
TypeSH
Market value$11.35M
1.73%
Sole
45.33K
Shared
0.00
None
14.69K
INSMED INC
SOLEShares62.42K
TypeSH
Market value$10.86M
1.66%
Sole
35.86K
Shared
0.00
None
26.56K
KINIKSA PHARMACEUTICALS INTL P
SOLEShares250.97K
TypeSH
Market value$10.35M
1.58%
Sole
165.39K
Shared
0.00
None
85.59K
GLOBALSTAR INC
SOLEShares167.39K
TypeSH
Market value$10.22M
1.56%
Sole
110.47K
Shared
0.00
None
56.92K
ADAPTIVE BIOTECHNOLOGIES CORP
SOLEShares624.22K
TypeSH
Market value$10.14M
1.55%
Sole
323.01K
Shared
0.00
None
301.21K
APPLE INC
SOLEShares34.87K
TypeSH
Market value$9.48M
1.45%
Sole
34.08K
Shared
0.00
None
789.00
LINCOLN EDL SVCS CORP
SOLEShares388.82K
TypeSH
Market value$9.39M
1.43%
Sole
201.05K
Shared
0.00
None
187.77K
CECO ENVIRONMENTAL CORP
SOLEShares154.46K
TypeSH
Market value$9.24M
1.41%
Sole
79.09K
Shared
0.00
None
75.36K
GRAHAM CORP
SOLEShares140.69K
TypeSH
Market value$9.04M
1.38%
Sole
72.06K
Shared
0.00
None
68.63K
MIRUM PHARMACEUTICALS INC
SOLEShares111.31K
TypeSH
Market value$8.79M
1.34%
Sole
83.28K
Shared
0.00
None
28.03K
LEONARDO DRS INC
SOLEShares256.86K
TypeSH
Market value$8.76M
1.33%
Sole
132.80K
Shared
0.00
None
124.06K
ARGAN INC
SOLEShares27.63K
TypeSH
Market value$8.66M
1.32%
Sole
14.19K
Shared
0.00
None
13.44K
MICROSOFT CORP
SOLEShares17.61K
TypeSH
Market value$8.52M
1.30%
Sole
17.17K
Shared
0.00
None
447.00
WILLDAN GROUP INC
SOLEShares76.92K
TypeSH
Market value$7.97M
1.22%
Sole
39.52K
Shared
0.00
None
37.40K
GOLDMAN SACHS GROUP INC
SOLEShares8.66K
TypeSH
Market value$7.61M
1.16%
Sole
8.45K
Shared
0.00
None
208.00
TETRA TECHNOLOGIES INC DEL
SOLEShares760.39K
TypeSH
Market value$7.12M
1.09%
Sole
390.62K
Shared
0.00
None
369.77K
MIRION TECHNOLOGIES INC
SOLEShares303.35K
TypeSH
Market value$7.10M
1.08%
Sole
147.74K
Shared
0.00
None
155.61K
EXZEO GROUP INC
SOLEShares291.08K
TypeSH
Market value$7.06M
1.08%
Sole
192.63K
Shared
0.00
None
98.44K
AVEPOINT INC
SOLEShares508.01K
TypeSH
Market value$7.06M
1.08%
Sole
362.78K
Shared
0.00
None
145.24K
AGNICO EAGLE MINES LTD
SOLEShares40.02K
TypeSH
Market value$6.78M
1.03%
Sole
39.52K
Shared
0.00
None
501.00
AMAZON COM INC
SOLEShares28.83K
TypeSH
Market value$6.66M
1.01%
Sole
28.11K
Shared
0.00
None
723.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
TOWER SEMICONDUCTOR LTDSOLE | COM | 192.63K | SH | $22.62M 3.45% | 146.89K | 0.00 | 45.73K |
KRATOS DEFENSE & SEC SOLUTIONSSOLE | COM | 190.19K | SH | $14.44M 2.20% | 123.54K | 0.00 | 66.66K |
STERLING INFRASTRUCTURE INCSOLE | COM | 44.69K | SH | $13.68M 2.09% | 32.71K | 0.00 | 11.97K |
HCI GROUP INCSOLE | COM | 59.21K | SH | $11.35M 1.73% | 44.97K | 0.00 | 14.24K |
LIGAND PHARMACEUTICALS INCSOLE | COM | 60.02K | SH | $11.35M 1.73% | 45.33K | 0.00 | 14.69K |
INSMED INCSOLE | COM | 62.42K | SH | $10.86M 1.66% | 35.86K | 0.00 | 26.56K |
KINIKSA PHARMACEUTICALS INTL PSOLE | COM | 250.97K | SH | $10.35M 1.58% | 165.39K | 0.00 | 85.59K |
GLOBALSTAR INCSOLE | COM | 167.39K | SH | $10.22M 1.56% | 110.47K | 0.00 | 56.92K |
ADAPTIVE BIOTECHNOLOGIES CORPSOLE | COM | 624.22K | SH | $10.14M 1.55% | 323.01K | 0.00 | 301.21K |
APPLE INCSOLE | COM | 34.87K | SH | $9.48M 1.45% | 34.08K | 0.00 | 789.00 |
LINCOLN EDL SVCS CORPSOLE | COM | 388.82K | SH | $9.39M 1.43% | 201.05K | 0.00 | 187.77K |
CECO ENVIRONMENTAL CORPSOLE | COM | 154.46K | SH | $9.24M 1.41% | 79.09K | 0.00 | 75.36K |
GRAHAM CORPSOLE | COM | 140.69K | SH | $9.04M 1.38% | 72.06K | 0.00 | 68.63K |
MIRUM PHARMACEUTICALS INCSOLE | COM | 111.31K | SH | $8.79M 1.34% | 83.28K | 0.00 | 28.03K |
LEONARDO DRS INCSOLE | COM | 256.86K | SH | $8.76M 1.33% | 132.80K | 0.00 | 124.06K |
ARGAN INCSOLE | COM | 27.63K | SH | $8.66M 1.32% | 14.19K | 0.00 | 13.44K |
MICROSOFT CORPSOLE | COM | 17.61K | SH | $8.52M 1.30% | 17.17K | 0.00 | 447.00 |
WILLDAN GROUP INCSOLE | COM | 76.92K | SH | $7.97M 1.22% | 39.52K | 0.00 | 37.40K |
GOLDMAN SACHS GROUP INCSOLE | COM | 8.66K | SH | $7.61M 1.16% | 8.45K | 0.00 | 208.00 |
TETRA TECHNOLOGIES INC DELSOLE | COM | 760.39K | SH | $7.12M 1.09% | 390.62K | 0.00 | 369.77K |
MIRION TECHNOLOGIES INCSOLE | COM | 303.35K | SH | $7.10M 1.08% | 147.74K | 0.00 | 155.61K |
EXZEO GROUP INCSOLE | COM | 291.08K | SH | $7.06M 1.08% | 192.63K | 0.00 | 98.44K |
AVEPOINT INCSOLE | COM | 508.01K | SH | $7.06M 1.08% | 362.78K | 0.00 | 145.24K |
AGNICO EAGLE MINES LTDSOLE | COM | 40.02K | SH | $6.78M 1.03% | 39.52K | 0.00 | 501.00 |
AMAZON COM INCSOLE | COM | 28.83K | SH | $6.66M 1.01% | 28.11K | 0.00 | 723.00 |
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