James River Group Holdings, Ltd. (JRVR) ownership: GPC Partners Investments (Thames) LP 85% · institutions 87% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Gallatin Point Capital LLC | 5859375.00 | $36.91M | 12.7% | 2026-03-31 |
| Zimmer Partners, LP | 4591638.00 | $28.93M | 9.9% | 2026-03-31 |
| T. Rowe Price | 4494651.00 | $28.32M | 9.7% | 2026-03-31 |
| BlackRock | 3140842.00 | $19.79M | 6.8% | 2026-03-31 |
| Enstar Group LTD | 2590765.00 | $16.32M | 5.6% | 2026-03-31 |
| Continental General Insurance Co | 2520242.00 | $15.88M | 5.5% | 2026-03-31 |
| Vanguard | 2307572.00 | $14.54M | 5.0% | 2026-03-31 |
| Donald Smith & CO., Inc. | 1820969.00 | $11.47M | 3.9% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-12 | |
| Sell | null | 2026-08-06 | |
| Buy | null | 2026-05-04 | |
| Sell | null | 2026-05-04 | |
| Buy | null | 2026-03-05 | |
| Buy | null | 2026-03-05 | |
| Sell | null | 2026-03-05 | |
| Buy | null | 2026-03-05 |
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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.