Filed: 5/7/2025ACC: 0000201772-25-000005
📋 What this filing means
ESSEX INVESTMENT MANAGEMENT CO LLC filed this quarterly 13F‑HR report disclosing 303 equity positions with a total reported market value of $479.36M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
303
Positions
$479.36M
Total AUM (reported)
27.94M
Total Shares
Allocation by class
COM$471.94M98.5%
ADR$6.68M1.4%
ETF$744.0K0.2%
Portfolio Concentration
Top 3$30.56M6.4%
4–10$51.02M10.6%
11–25$79.13M16.5%
Rest$318.65M66.5%
Top 3 weight
6.4%
Top 10 weight
17.0%
Voting Authority Distribution
Total shares with voting rights: 27.94M
Sole
Full voting authority
16.32M
shares
% of voting shares58.4%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
11.62M
shares
% of voting shares41.6%
Investment Discretion (by position count)
Sole303
Shared0
Other0
Dominant voting typeSole · 58.4% of voting shares
Institutional Holdings303
Rows:
HCI GROUP INC
SOLEShares77.87K
TypeSH
Market value$11.62M
2.42%
Sole
59.38K
Shared
0.00
None
18.49K
KRATOS DEFENSE & SEC SOLUTIONS
SOLEShares354.67K
TypeSH
Market value$10.53M
2.20%
Sole
231.54K
Shared
0.00
None
123.13K
LEONARDO DRS INC
SOLEShares255.86K
TypeSH
Market value$8.41M
1.75%
Sole
129.83K
Shared
0.00
None
126.03K
APPLE INC
SOLEShares37.56K
TypeSH
Market value$8.34M
1.74%
Sole
36.65K
Shared
0.00
None
903.00
NEXTERA ENERGY INC
SOLEShares106.19K
TypeSH
Market value$7.53M
1.57%
Sole
103.46K
Shared
0.00
None
2.73K
AVEPOINT INC
SOLEShares519.63K
TypeSH
Market value$7.50M
1.57%
Sole
371.33K
Shared
0.00
None
148.29K
GUIDEWIRE SOFTWARE INC
SOLEShares38.83K
TypeSH
Market value$7.28M
1.52%
Sole
37.87K
Shared
0.00
None
964.00
MICROSOFT CORP
SOLEShares18.81K
TypeSH
Market value$7.06M
1.47%
Sole
18.29K
Shared
0.00
None
522.00
AMERICAN SUPERCONDUCTOR CORP
SOLEShares372.22K
TypeSH
Market value$6.75M
1.41%
Sole
291.56K
Shared
0.00
None
80.66K
INTRA-CELLULAR THERAPIES INC
SOLEShares49.72K
TypeSH
Market value$6.56M
1.37%
Sole
48.62K
Shared
0.00
None
1.10K
LIGAND PHARMACEUTICALS INC
SOLEShares61.70K
TypeSH
Market value$6.49M
1.35%
Sole
46.67K
Shared
0.00
None
15.03K
TOWER SEMICONDUCTOR LTD
SOLEShares173.06K
TypeSH
Market value$6.17M
1.29%
Sole
127.02K
Shared
0.00
None
46.04K
LINCOLN EDL SVCS CORP
SOLEShares387.35K
TypeSH
Market value$6.15M
1.28%
Sole
196.60K
Shared
0.00
None
190.75K
STERLING INFRASTRUCTURE INC
SOLEShares53.92K
TypeSH
Market value$6.10M
1.27%
Sole
39.88K
Shared
0.00
None
14.05K
AMAZON COM INC
SOLEShares30.29K
TypeSH
Market value$5.76M
1.20%
Sole
29.45K
Shared
0.00
None
840.00
WILLDAN GROUP INC
SOLEShares137.09K
TypeSH
Market value$5.58M
1.16%
Sole
69.10K
Shared
0.00
None
67.99K
SALESFORCE INC
SOLEShares19.94K
TypeSH
Market value$5.35M
1.12%
Sole
19.41K
Shared
0.00
None
531.00
INSMED INC
SOLEShares66.80K
TypeSH
Market value$5.10M
1.06%
Sole
31.85K
Shared
0.00
None
34.95K
GOLDMAN SACHS GROUP INC
SOLEShares9.09K
TypeSH
Market value$4.97M
1.04%
Sole
8.81K
Shared
0.00
None
284.00
ARGAN INC
SOLEShares36.21K
TypeSH
Market value$4.75M
0.99%
Sole
18.19K
Shared
0.00
None
18.02K
ADAPTIVE BIOTECHNOLOGIES CORP
SOLEShares621.71K
TypeSH
Market value$4.62M
0.96%
Sole
315.79K
Shared
0.00
None
305.92K
AGNICO EAGLE MINES LTD
SOLEShares42.32K
TypeSH
Market value$4.59M
0.96%
Sole
41.82K
Shared
0.00
None
501.00
TRAVERE THERAPEUTICS INC
SOLEShares254.67K
TypeSH
Market value$4.56M
0.95%
Sole
193.15K
Shared
0.00
None
61.52K
LSI INDS INC OHIO
SOLEShares268.14K
TypeSH
Market value$4.56M
0.95%
Sole
135.71K
Shared
0.00
None
132.44K
MIRION TECHNOLOGIES INC
SOLEShares301.87K
TypeSH
Market value$4.38M
0.91%
Sole
143.79K
Shared
0.00
None
158.08K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
HCI GROUP INCSOLE | COM | 77.87K | SH | $11.62M 2.42% | 59.38K | 0.00 | 18.49K |
KRATOS DEFENSE & SEC SOLUTIONSSOLE | COM | 354.67K | SH | $10.53M 2.20% | 231.54K | 0.00 | 123.13K |
LEONARDO DRS INCSOLE | COM | 255.86K | SH | $8.41M 1.75% | 129.83K | 0.00 | 126.03K |
APPLE INCSOLE | COM | 37.56K | SH | $8.34M 1.74% | 36.65K | 0.00 | 903.00 |
NEXTERA ENERGY INCSOLE | COM | 106.19K | SH | $7.53M 1.57% | 103.46K | 0.00 | 2.73K |
AVEPOINT INCSOLE | COM | 519.63K | SH | $7.50M 1.57% | 371.33K | 0.00 | 148.29K |
GUIDEWIRE SOFTWARE INCSOLE | COM | 38.83K | SH | $7.28M 1.52% | 37.87K | 0.00 | 964.00 |
MICROSOFT CORPSOLE | COM | 18.81K | SH | $7.06M 1.47% | 18.29K | 0.00 | 522.00 |
AMERICAN SUPERCONDUCTOR CORPSOLE | COM | 372.22K | SH | $6.75M 1.41% | 291.56K | 0.00 | 80.66K |
INTRA-CELLULAR THERAPIES INCSOLE | COM | 49.72K | SH | $6.56M 1.37% | 48.62K | 0.00 | 1.10K |
LIGAND PHARMACEUTICALS INCSOLE | COM | 61.70K | SH | $6.49M 1.35% | 46.67K | 0.00 | 15.03K |
TOWER SEMICONDUCTOR LTDSOLE | COM | 173.06K | SH | $6.17M 1.29% | 127.02K | 0.00 | 46.04K |
LINCOLN EDL SVCS CORPSOLE | COM | 387.35K | SH | $6.15M 1.28% | 196.60K | 0.00 | 190.75K |
STERLING INFRASTRUCTURE INCSOLE | COM | 53.92K | SH | $6.10M 1.27% | 39.88K | 0.00 | 14.05K |
AMAZON COM INCSOLE | COM | 30.29K | SH | $5.76M 1.20% | 29.45K | 0.00 | 840.00 |
WILLDAN GROUP INCSOLE | COM | 137.09K | SH | $5.58M 1.16% | 69.10K | 0.00 | 67.99K |
SALESFORCE INCSOLE | COM | 19.94K | SH | $5.35M 1.12% | 19.41K | 0.00 | 531.00 |
INSMED INCSOLE | COM | 66.80K | SH | $5.10M 1.06% | 31.85K | 0.00 | 34.95K |
GOLDMAN SACHS GROUP INCSOLE | COM | 9.09K | SH | $4.97M 1.04% | 8.81K | 0.00 | 284.00 |
ARGAN INCSOLE | COM | 36.21K | SH | $4.75M 0.99% | 18.19K | 0.00 | 18.02K |
ADAPTIVE BIOTECHNOLOGIES CORPSOLE | COM | 621.71K | SH | $4.62M 0.96% | 315.79K | 0.00 | 305.92K |
AGNICO EAGLE MINES LTDSOLE | COM | 42.32K | SH | $4.59M 0.96% | 41.82K | 0.00 | 501.00 |
TRAVERE THERAPEUTICS INCSOLE | COM | 254.67K | SH | $4.56M 0.95% | 193.15K | 0.00 | 61.52K |
LSI INDS INC OHIOSOLE | COM | 268.14K | SH | $4.56M 0.95% | 135.71K | 0.00 | 132.44K |
MIRION TECHNOLOGIES INCSOLE | COM | 301.87K | SH | $4.38M 0.91% | 143.79K | 0.00 | 158.08K |
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