Star Equity Holdings, Inc. - STRR
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mink Brook Asset Management LLC | History | Added to | 316,139 | 3,249 | 1.81% | 2.23% | 1 | +1,685 | 0.54% | Q1 2026 | Apr 01, 2026 |
| VANGUARD GROUP INC | History | No change | 153,630 | 1,728 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 134,685 | 1,384 | 0.0% | — | 3 | +134,685 | New | Q1 2026 | May 15, 2026 |
| Cable Car Capital, LP | History | Added to | 100,042 | 1,028 | 0.36% | 0.02% | 4 | +42,752 | 74.62% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 80,926 | 831 | 0.0% | 0.0% | 5 | +2,200 | 2.79% | Q1 2026 | May 14, 2026 |
| PERRITT CAPITAL MANAGEMENT INC | History | No change | 66,300 | 745 | 1.25% | 1.25% | 6 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| North Star Investment Management Corp. | History | New | 55,000 | 565 | 0.03% | — | 7 | +55,000 | New | Q1 2026 | Apr 23, 2026 |
| BlackRock, Inc. | History | No change | 53,404 | 548 | 0.0% | 0.0% | 8 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 41,861 | 430 | 0.0% | 0.0% | 9 | -14,022 | -25.09% | Q1 2026 | May 07, 2026 |
| RBF Capital, LLC | History | No change | 28,112 | 288 | 0.01% | 0.01% | 10 | 0 | 0.0% | Q1 2026 | May 18, 2026 |
| Manatuck Hill Partners, LLC | History | Reduced | 26,500 | 272 | 0.07% | 0.12% | 11 | -5,300 | -16.67% | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 24,515 | 252 | 0.01% | 0.01% | 12 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 24,384 | 250 | 0.0% | 0.0% | 13 | -6,854 | -21.94% | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 17,889 | 183 | 0.0% | — | 14 | +17,889 | New | Q1 2026 | May 08, 2026 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | History | No change | 11,920 | 122 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Rothschild Wealth LLC | History | Reduced | 11,300 | 116 | 0.01% | 0.07% | 16 | -55,000 | -82.96% | Q1 2026 | May 06, 2026 |
| CWM, LLC | History | New | 2,120 | 21 | 0.0% | — | 17 | +2,120 | New | Q1 2026 | May 14, 2026 |
| Vanguard Global Advisers, LLC | History | New | 1,056 | 10 | 0.0% | — | 18 | +1,056 | New | Q1 2026 | May 08, 2026 |
| SBI Securities Co., Ltd. | History | No change | 533 | 5 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 328 | 3 | 0.0% | 0.0% | 20 | -88 | -21.15% | Q1 2026 | May 15, 2026 |
| ROYAL BANK OF CANADA | History | No change | 140 | 1 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| DRW Securities, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -23,860 | -100.0% | Q1 2026 | May 13, 2026 |
| HEARTLAND ADVISORS INC | History | Closed out | 0 | 0 | — | 0.01% | — | -12,461 | -100.0% | Q1 2026 | May 06, 2026 |
| UBS Group AG | History | Reduced | 1 | 0 | — | 0.0% | — | -120 | -99.17% | Q1 2026 | May 05, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | — | — | -28 | -100.0% | Q1 2026 | May 15, 2026 |
| FEDERATED HERMES, INC. | History | Reduced | 78 | 0 | — | — | — | -6 | -7.14% | Q1 2026 | May 11, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | New | 3 | 0 | — | — | — | +3 | New | Q1 2026 | May 07, 2026 |
| MORGAN STANLEY | History | Added to | 6 | 0 | — | — | — | +1 | 20.0% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | New | 1 | 0 | — | — | — | +1 | New | Q1 2026 | May 11, 2026 |
| WHITTIER TRUST CO OF NEVADA INC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |