Star Equity Holdings, Inc. (STRR) ownership: Top institutional holder: Mink Brook Asset Management LLC ($3.25M). Insider activity: Net Buyer (16 buys, 4 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Mink Brook Asset Management LLC | 316139.00 | $3.25M | 2026-03-31 |
| VANGUARD GROUP INC | 153630.00 | $1.73M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 134685.00 | $1.38M | 2026-03-31 |
| Cable Car Capital, LP | 100042.00 | $1.03M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 80926.00 | $831919.00 | 2026-03-31 |
| Perritt Capital Management Inc | 66300.00 | $745875.00 | 2025-12-31 |
| North Star Investment Management Corp. | 55000.00 | $565400.00 | 2026-03-31 |
| BlackRock, Inc. | 53404.00 | $548993.00 | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-06-15 | |
| Buy | null | 2026-06-15 | |
| Buy | null | 2026-06-12 | |
| Buy | null | 2026-06-10 | |
| Buy | null | 2026-06-10 | |
| Buy | null | 2026-06-05 | |
| Buy | null | 2026-06-05 | |
| Buy | null | 2026-06-05 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.