Star Equity HoldingsSTRR
13F holders, Q4 2025 (December 31)23holders
3new positions
3sold out
1famous investor
$11.25avg. 13F price*
At the end of Q4 2025, 23 institutions reported holding Star Equity Holdings Inc. (STRR) in their 13F filings, unchanged from Q3 2025. 3 opened new positions and 3 sold out. The largest holders were Mink Brook Asset Management LLC ($3.5M), Vanguard Group Inc. ($1.7M) and Renaissance Technologies ($886K). 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $1.7M |
| Exits | 3 | $224K |
All 13F filers, Q3 2025 → Q4 2025: 152,426 shares bought and 148,120 shares sold, net +4,306 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 23 holders
| Mink Brook Asset Management LLC | 2.24% | No change | 314,454 | $3.5M |
| Vanguard Group Inc. | 0.00% | Add +3.1% | 153,630 | $1.7M |
| Renaissance Technologies | 0.00% | Reduce -7.4% | 78,726 | $886K |
| Perritt Capital Management Inc | 1.25% | No change | 66,300 | $746K |
| Rothschild Wealth LLC | 0.07% | New | 66,300 | $746K |
| Cable Car Capital, LP | 0.04% | New | 57,290 | $645K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -18.3% | 55,883 | $629K |
| BlackRock, Inc. | 0.00% | No change | 53,404 | $601K |
| Manatuck Hill Partners, LLC | 0.13% | Reduce -25.4% | 31,800 | $358K |
| Geode Capital Management, LLC | 0.00% | Add +0.8% | 31,238 | $352K |
| RBF Capital, LLC | 0.01% | No change | 28,112 | $316K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 24,515 | $276K |
| DRW Securities, LLC | 0.02% | New | 23,860 | $268K |
| Heartland Advisors Inc. | 0.01% | Reduce -88.4% | 12,461 | $140K |
| Hotchkis & Wiley Capital Management LLC | 0.00% | No change | 11,920 | $134K |
| SBI Securities Co., Ltd. | 0.00% | No change | 533 | $6K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -22.1% | 416 | $5K |
| Royal Bank of Canada | 0.00% | Reduce -76.6% | 140 | $2K |
| UBS Group AG | 0.00% | Add +12000.0% | 121 | $1K |
| Federated Hermes, Inc. | 0.00% | Reduce -10.6% | 84 | $945 |
| Bank of America Corp. | 0.00% | Add +3.7% | 28 | $315 |
| Morgan Stanley | 0.00% | No change | 5 | $56 |
| Whittier Trust Co. of Nevada Inc. | 0.00% | No change | 1 | $11 |
"% of holder's portfolio" is STRR's weight in each manager's 13F, not the share of Star Equity Holdings Inc. the manager owns.