OLD GREENWICH, CT
STAR EQUITY HOLDINGS, INC.STRR— Latest position per institution from SEC 13F filings
15
Institutional holders
1.50M
Total shares held
17.73M
Estimated value
75.22K
Avg. position size
MINK BROOK ASSET MANAGEMENT LLC
CIK 2052205
Shares
316.14K
Value
3.25M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
153.63K
Value
1.73M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
134.69K
Value
1.38M
Filed
Mar 31, 2026
MARINER, LLC
CIK 1373442
Shares
124.97K
Value
1.94M
Filed
Dec 31, 2023
CABLE CAR CAPITAL, LP
CIK 1699575
Shares
100.04K
Value
1.03M
Filed
Mar 31, 2026
HIGHTOWER ADVISORS, LLC
CIK 1462245
Shares
82.92K
Value
1.78M
Filed
Jun 30, 2023
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
80.93K
Value
831.92K
Filed
Mar 31, 2026
PERRITT CAPITAL MANAGEMENT INC
CIK 1279342
Shares
66.30K
Value
745.88K
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
59.63K
Value
990.50K
Filed
Jun 30, 2024
NORTH STAR INVESTMENT MANAGEMENT CORP.
CIK 1342857
Shares
55K
Value
565.40K
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
53.40K
Value
548.99K
Filed
Mar 31, 2026
JACOB ASSET MANAGEMENT OF NEW YORK LLC
CIK 1279256
Shares
50.95K
Value
987.49K
Filed
Sep 30, 2023
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
41.86K
Value
430.34K
Filed
Mar 31, 2026
INFORMED MOMENTUM CO LLC
CIK 1510989
Shares
38.74K
Value
1.30K
Filed
Sep 30, 2022
RBF CAPITAL, LLC
CIK 1134621
Shares
28.11K
Value
288.99K
Filed
Mar 31, 2026
MANATUCK HILL PARTNERS, LLC
CIK 1467902
Shares
26.50K
Value
272.42K
Filed
Mar 31, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 1107261
Shares
24.52K
Value
252.01K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
24.38K
Value
250.76K
Filed
Mar 31, 2026
DRW SECURITIES, LLC
CIK 1481986
Shares
23.86K
Value
268.43K
Filed
Dec 31, 2025
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
17.89K
Value
183.90K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | MINK BROOK ASSET MANAGEMENT LLC | 2052205 | 316.14K | 3.25M | Mar 31, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 153.63K | 1.73M | Dec 31, 2025 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 134.69K | 1.38M | Mar 31, 2026 |
| 4 | MARINER, LLC | 1373442 | 124.97K | 1.94M | Dec 31, 2023 |
| 5 | CABLE CAR CAPITAL, LP | 1699575 | 100.04K | 1.03M | Mar 31, 2026 |
| 6 | HIGHTOWER ADVISORS, LLC | 1462245 | 82.92K | 1.78M | Jun 30, 2023 |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 80.93K | 831.92K | Mar 31, 2026 |
| 8 | PERRITT CAPITAL MANAGEMENT INC | 1279342 | 66.30K | 745.88K | Dec 31, 2025 |
| 9 | BLACKROCK FINANCE, INC. | 1364742 | 59.63K | 990.50K | Jun 30, 2024 |
| 10 | NORTH STAR INVESTMENT MANAGEMENT CORP. | 1342857 | 55K | 565.40K | Mar 31, 2026 |
| 11 | BLACKROCK, INC. | 2012383 | 53.40K | 548.99K | Mar 31, 2026 |
| 12 | JACOB ASSET MANAGEMENT OF NEW YORK LLC | 1279256 | 50.95K | 987.49K | Sep 30, 2023 |
| 13 | DIMENSIONAL FUND ADVISORS LP | 354204 | 41.86K | 430.34K | Mar 31, 2026 |
| 14 | INFORMED MOMENTUM CO LLC | 1510989 | 38.74K | 1.30K | Sep 30, 2022 |
| 15 | RBF CAPITAL, LLC | 1134621 | 28.11K | 288.99K | Mar 31, 2026 |
| 16 | MANATUCK HILL PARTNERS, LLC | 1467902 | 26.50K | 272.42K | Mar 31, 2026 |
| 17 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | 24.52K | 252.01K | Mar 31, 2026 |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 24.38K | 250.76K | Mar 31, 2026 |
| 19 | DRW SECURITIES, LLC | 1481986 | 23.86K | 268.43K | Dec 31, 2025 |
| 20 | VANGUARD FIDUCIARY TRUST CO | 933478 | 17.89K | 183.90K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.