James River Group Holdings IJRVR
13F holders, Q4 2025 (December 31)117holders +112
19new positions
0sold out
4famous investors
$6.36avg. 13F price*
At the end of Q4 2025, 117 institutions reported holding James River Group Holdings I (JRVR) in their 13F filings, up 112 from Q3 2025. 19 opened new positions and 0 sold out. The largest holders were Zimmer Partners, LP ($29.2M), T. Rowe Price Investment Management, Inc. ($28.2M) and BlackRock, Inc. ($19.9M). 4 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- James River Group Holdings I
- CUSIP
- 46990A102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $6.5M |
| Exits | 0 | $0 |
All 13F filers, Q3 2025 → Q4 2025: 3,162,863 shares bought and 1,962,826 shares sold, net +1,200,037 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 117 holders
| Zimmer Partners, LP | 0.77% | No change | 4,591,638 | $29.2M |
| T. Rowe Price Investment Management, Inc. | 0.02% | Reduce -2.6% | 4,440,220 | $28.2M |
| BlackRock, Inc. | 0.00% | Add +6.7% | 3,133,645 | $19.9M |
| Vanguard Group Inc. | 0.00% | Reduce -21.3% | 2,264,383 | $14.4M |
| Donald Smith & Co., Inc. | 0.20% | Add +434.9% | 1,671,220 | $10.6M |
| RBF Capital, LLC | 0.30% | Add +5.0% | 1,050,000 | $6.7M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.0% | 1,015,705 | $6.5M |
| Discovery Capital Management, LLC / CT | 0.28% | No change | 819,355 | $5.2M |
| Boston Partners | 0.01% | Add +10.0% | 813,357 | $5.2M |
| State Street Corp. | 0.00% | Add +1.2% | 811,890 | $5.2M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -25.1% | 783,258 | $5.0M |
| Dimensional Fund Advisors LP | 0.00% | Add +7.3% | 772,012 | $4.9M |
| Morgan Stanley | 0.00% | Add +41.4% | 593,081 | $3.8M |
| Flax Pond Capital, LLC | 2.55% | — | 538,767 | $3.4M |
| Kennedy Capital Management LLC | 0.07% | Reduce -0.1% | 490,142 | $3.1M |
| D. E. Shaw & Co. | 0.00% | Reduce -22.6% | 427,057 | $2.7M |
| AQR Capital Management | 0.00% | Reduce -18.4% | 382,562 | $2.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +6.6% | 362,111 | $2.3M |
| Two Sigma Advisers, LP | 0.00% | Reduce -16.5% | 319,900 | $2.0M |
| Segall Bryant & Hamill, LLC | 0.03% | New | 308,773 | $2.0M |
| Hillsdale Investment Management Inc. | 0.05% | New | 308,460 | $2.0M |
| Northern Trust Corp. | 0.00% | Add +3.2% | 299,831 | $1.9M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -27.4% | 272,766 | $1.7M |
| Two Sigma Investments, LP | 0.00% | Reduce -3.4% | 266,505 | $1.7M |
| American Century Companies Inc. | 0.00% | Reduce -25.8% | 225,061 | $1.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -2.7% | 222,835 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -11.7% | 138,063 | $878K |
| Bank of New York Mellon Corp | 0.00% | Add +27.1% | 137,970 | $877K |
| Bronte Capital Management Pty Ltd. | 0.08% | New | 123,575 | $786K |
| Quinn Opportunity Partners LLC | 0.03% | New | 115,768 | $736K |
| Gsa Capital Partners LLP | 0.05% | Add +80.1% | 89,050 | $566K |
| Nuveen, LLC | 0.00% | No change | 88,855 | $565K |
| Quantinno Capital Management LP | 0.00% | Add +28.9% | 76,691 | $488K |
| Public Sector Pension Investment Board | 0.00% | No change | 75,956 | $483K |
| Marshall Wace, LLP | 0.00% | Reduce -46.1% | 69,787 | $444K |
| Ameriprise Financial Inc. | 0.00% | No change | 67,531 | $429K |
| Barclays PLC | 0.00% | Add +6.1% | 60,941 | $388K |
| Alliancebernstein L.P. | 0.00% | No change | 60,150 | $383K |
| Sei Investments Co. | 0.00% | Add +318.1% | 47,452 | $302K |
| Rhumbline Advisers | 0.00% | Reduce -12.6% | 47,036 | $299K |
| Thompson Siegel & Walmsley LLC | 0.00% | Reduce -61.1% | 45,540 | $290K |
| FNY Investment Advisers, LLC | 0.08% | Add +87.1% | 44,767 | $284K |
| Wells Fargo & Company | 0.00% | Add +43.2% | 43,354 | $276K |
| Ieq Capital, LLC | 0.00% | Reduce -0.8% | 41,000 | $261K |
| Russell Investments Group, Ltd. | 0.00% | Add +3.9% | 37,524 | $239K |
| Jane Street Group, LLC | 0.00% | Reduce -9.4% | 35,221 | $224K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -43.3% | 32,800 | $209K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 31,061 | $198K |
| Bank of America Corp. | 0.00% | Add +16.3% | 30,082 | $191K |
| Occudo Quantitative Strategies LP | 0.01% | New | 29,667 | $189K |
| Deutsche Bank AG | 0.00% | New | 28,402 | $181K |
| Sowell Financial Services LLC | 0.01% | Add +76.6% | 26,496 | $169K |
| Brandywine Global Investment Management, LLC | 0.00% | No change | 26,170 | $166K |
| Renaissance Technologies | 0.00% | Reduce -5.5% | 25,900 | $165K |
| Odyssean, LLC | 0.10% | — | 22,196 | $141K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 21,901 | $139K |
| Citadel Advisors | 0.00% | New | 21,667 | $138K |
| UBS Group AG | 0.00% | Reduce -49.1% | 19,882 | $126K |
| Susquehanna International Group, LLP | 0.00% | Reduce -3.9% | 19,749 | $126K |
| Cwm, LLC | 0.00% | Add +0.5% | 18,576 | $118K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.2% | 17,139 | $109K |
| Intech Investment Management LLC | 0.00% | Reduce -14.1% | 16,047 | $102K |
| R Squared Ltd | 0.05% | Add +46.0% | 15,713 | $100K |
| BNP Paribas Financial Markets | 0.00% | Add +8.6% | 15,633 | $99K |
| O'shaughnessy Asset Management, LLC | 0.00% | Reduce -57.6% | 15,454 | $98K |
| Rockefeller Capital Management L.P. | 0.00% | Add +10.2% | 15,424 | $98K |
| Cerity Partners LLC | 0.00% | Add +15.5% | 15,388 | $98K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +13.3% | 15,142 | $93K |
| MetLife Investment Management, LLC | 0.00% | Reduce -34.0% | 13,982 | $89K |
| Cetera Investment Advisers | 0.00% | Add +6.0% | 12,602 | $80K |
| Invesco Ltd. | 0.00% | Reduce -94.5% | 12,476 | $79K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -7.2% | 12,205 | $78K |
| Jump Financial, LLC | 0.00% | New | 12,000 | $76K |
| HRT Financial LP | 0.00% | New | 11,654 | $74K |
| PFG Investments, LLC | 0.00% | New | 11,175 | $71K |
| Quadrature Capital Ltd | 0.00% | Reduce -48.7% | 10,688 | $68K |
| Creative Planning | 0.00% | New | 10,233 | $65K |
| M&T Bank Corp | 0.00% | New | 10,221 | $65K |
| FMR LLC | 0.00% | Add +44.3% | 9,428 | $60K |
| New York State Common Retirement Fund | 0.00% | No change | 8,912 | $57K |
| Clearstead Advisors, LLC | 0.00% | Add +173.9% | 7,732 | $49K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Reduce -48.8% | 7,021 | $45K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 6,954 | $44K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,680 | $23K |
| Legal & General Group Plc | 0.00% | No change | 3,473 | $22K |
| American Capital Advisory, LLC | 0.01% | Add +52.9% | 2,600 | $17K |
| Royal Bank of Canada | 0.00% | Add +228.2% | 2,442 | $15K |
| California State Teachers Retirement System | 0.00% | Reduce -1.6% | 2,271 | $14K |
| Sterling Capital Management LLC | 0.00% | Reduce -16.5% | 2,125 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -36.1% | 1,762 | $11K |
| GAMMA Investing LLC | 0.00% | Add +1798.8% | 1,652 | $11K |
| Versant Capital Management, Inc | 0.00% | No change | 1,568 | $10K |
| Farther Finance Advisors, LLC | 0.00% | No change | 1,377 | $9K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -30.1% | 1,310 | $8K |
| Amalgamated Bank | 0.00% | Reduce -8.2% | 1,158 | $7K |
| Parallel Advisors, LLC | 0.00% | No change | 975 | $6K |
| Arax Advisory Partners | 0.00% | Reduce -79.9% | 907 | $6K |
| Citigroup Inc. | 0.00% | Add +13.9% | 835 | $5K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -2.4% | 802 | $5K |
| Optiver Holding B.V. | 0.00% | No change | 652 | $4K |
"% of holder's portfolio" is JRVR's weight in each manager's 13F, not the share of James River Group Holdings I the manager owns.