Star Equity HoldingsSTRR
13F holders, Q1 2026 (March 31)25holders +2
4new positions
3sold out
1famous investor
$10.28avg. 13F price*
At the end of Q1 2026, 25 institutions reported holding Star Equity Holdings Inc. (STRR) in their 13F filings, up 2 from Q4 2025. 4 opened new positions and 3 sold out. The largest holders were Mink Brook Asset Management LLC ($3.2M), Vanguard Capital Management LLC ($1.4M) and Cable Car Capital, LP ($1.0M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Star Equity Holdings Inc.
- CUSIP
- 443787205
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $587K |
| Exits | 3 | $409K |
All 13F filers, Q4 2025 → Q1 2026: 103,762 shares bought and 117,739 shares sold, net −13,977 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 25 holders
| Mink Brook Asset Management LLC | 1.81% | Add +0.5% | 316,139 | $3.2M |
| Vanguard Capital Management LLC | 0.00% | — | 134,685 | $1.4M |
| Cable Car Capital, LP | 0.44% | Add +74.6% | 100,042 | $1.0M |
| Renaissance Technologies | 0.00% | Add +2.8% | 80,926 | $832K |
| North Star Investment Management Corp. | 0.03% | New | 55,000 | $565K |
| BlackRock, Inc. | 0.00% | No change | 53,404 | $549K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -25.1% | 41,861 | $430K |
| RBF Capital, LLC | 0.01% | No change | 28,112 | $289K |
| Manatuck Hill Partners, LLC | 0.09% | Reduce -16.7% | 26,500 | $272K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 24,515 | $252K |
| Geode Capital Management, LLC | 0.00% | Reduce -21.9% | 24,384 | $251K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 17,889 | $184K |
| Hotchkis & Wiley Capital Management LLC | 0.00% | No change | 11,920 | $123K |
| Rothschild Wealth LLC | 0.01% | Reduce -83.0% | 11,300 | $116K |
| Cwm, LLC | 0.00% | New | 2,120 | $22K |
| Vanguard Global Advisers, LLC | 0.00% | — | 1,056 | $11K |
| SBI Securities Co., Ltd. | 0.00% | No change | 533 | $5K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -21.1% | 328 | $3K |
| Royal Bank of Canada | 0.00% | No change | 140 | $1K |
| Federated Hermes, Inc. | 0.00% | Reduce -7.1% | 78 | $802 |
| Morgan Stanley | 0.00% | Add +20.0% | 6 | $63 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 3 | $31 |
| Citigroup Inc. | 0.00% | New | 1 | $10 |
| Whittier Trust Co. of Nevada Inc. | 0.00% | No change | 1 | $10 |
| UBS Group AG | 0.00% | Reduce -99.2% | 1 | $10 |
"% of holder's portfolio" is STRR's weight in each manager's 13F, not the share of Star Equity Holdings Inc. the manager owns.