James River Group Holdings IJRVR
13F holders, Q1 2026 (March 31)115holders −2
14new positions
16sold out
3famous investors
$6.30avg. 13F price*
At the end of Q1 2026, 115 institutions reported holding James River Group Holdings I (JRVR) in their 13F filings, down 2 from Q4 2025. 14 opened new positions and 16 sold out. The largest holders were Zimmer Partners, LP ($28.9M), T. Rowe Price Investment Management, Inc. ($28.3M) and BlackRock, Inc. ($19.8M). 3 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $18.0M |
| Exits | 16 | $2.4M |
All 13F filers, Q4 2025 → Q1 2026: 4,108,722 shares bought and 1,856,557 shares sold, net +2,252,165 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 115 holders
| Zimmer Partners, LP | 0.74% | No change | 4,591,638 | $28.9M |
| T. Rowe Price Investment Management, Inc. | 0.02% | Add +1.2% | 4,494,651 | $28.3M |
| BlackRock, Inc. | 0.00% | Add +0.2% | 3,140,842 | $19.8M |
| Continental General Insurance Co. | 2.29% | New | 2,520,242 | $15.9M |
| Donald Smith & Co., Inc. | 0.21% | Add +9.0% | 1,820,969 | $11.5M |
| Vanguard Capital Management LLC | 0.00% | — | 1,726,019 | $10.9M |
| RBF Capital, LLC | 0.35% | Add +7.5% | 1,128,525 | $7.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.4% | 1,011,575 | $6.4M |
| Boston Partners | 0.01% | Add +4.1% | 847,025 | $5.3M |
| Dimensional Fund Advisors LP | 0.00% | Add +9.5% | 845,243 | $5.3M |
| State Street Corp. | 0.00% | Add +1.7% | 825,675 | $5.2M |
| Discovery Capital Management, LLC / CT | 0.27% | No change | 819,355 | $5.2M |
| Morgan Stanley | 0.00% | Reduce -3.0% | 575,372 | $3.6M |
| Kennedy Capital Management LLC | 0.07% | Add +2.3% | 501,534 | $3.2M |
| Hillsdale Investment Management Inc. | 0.08% | Add +45.5% | 448,860 | $2.8M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -53.5% | 364,577 | $2.3M |
| Two Sigma Investments, LP | 0.00% | Add +36.7% | 364,199 | $2.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.3% | 353,923 | $2.2M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +28.2% | 349,741 | $2.2M |
| AQR Capital Management | 0.00% | Reduce -10.1% | 344,023 | $2.2M |
| Bronte Capital Management Pty Ltd. | 0.23% | Add +174.3% | 338,961 | $2.1M |
| Northern Trust Corp. | 0.00% | Add +7.2% | 321,363 | $2.0M |
| Segall Bryant & Hamill, LLC | 0.03% | Reduce -0.2% | 308,246 | $1.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 284,379 | $1.8M |
| Vanguard Portfolio Management LLC | 0.00% | — | 277,798 | $1.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +23.5% | 275,187 | $1.7M |
| D. E. Shaw & Co. | 0.00% | Reduce -56.9% | 184,180 | $1.2M |
| Topline Capital Management, LLC | 0.17% | New | 164,194 | $1.0M |
| American Century Companies Inc. | 0.00% | Reduce -28.7% | 160,458 | $1.0M |
| Bank of New York Mellon Corp | 0.00% | Add +5.2% | 145,201 | $915K |
| JPMorgan Chase & Co. | 0.00% | Reduce -14.6% | 117,895 | $739K |
| Quinn Opportunity Partners LLC | 0.04% | No change | 115,768 | $729K |
| Quantinno Capital Management LP | 0.00% | Add +33.2% | 102,164 | $644K |
| Nuveen, LLC | 0.00% | Add +0.7% | 89,486 | $564K |
| Sei Investments Co. | 0.00% | Add +75.8% | 83,400 | $525K |
| Public Sector Pension Investment Board | 0.00% | No change | 75,956 | $479K |
| Ameriprise Financial Inc. | 0.00% | Reduce -7.6% | 62,369 | $393K |
| Bridgeway Capital Management, LLC | 0.01% | Add +82.9% | 60,000 | $378K |
| FNY Investment Advisers, LLC | 0.16% | Add +25.2% | 56,057 | $353K |
| Alliancebernstein L.P. | 0.00% | Reduce -8.7% | 54,950 | $349K |
| Rhumbline Advisers | 0.00% | Reduce -2.9% | 45,670 | $288K |
| Renaissance Technologies | 0.00% | Add +67.6% | 43,400 | $273K |
| Bleakley Financial Group, LLC | 0.00% | New | 40,158 | $253K |
| Russell Investments Group, Ltd. | 0.00% | Add +0.7% | 37,803 | $238K |
| Bank of America Corp. | 0.00% | Add +22.0% | 36,690 | $231K |
| UBS Group AG | 0.00% | Add +75.9% | 34,975 | $220K |
| Ieq Capital, LLC | 0.00% | Reduce -21.1% | 32,363 | $204K |
| Public Employees Retirement System of Ohio | 0.00% | Add +3.2% | 32,061 | $202K |
| Canal Insurance CO | 0.04% | New | 30,000 | $189K |
| Jump Financial, LLC | 0.00% | Add +143.8% | 29,261 | $184K |
| Engineers Gate Manager LP | 0.00% | New | 29,209 | $184K |
| Franklin Resources Inc. | 0.00% | New | 27,150 | $171K |
| Creative Planning | 0.00% | Add +165.0% | 27,121 | $171K |
| Odyssean, LLC | 0.06% | Add +20.1% | 26,648 | $168K |
| Sowell Financial Services LLC | 0.01% | No change | 26,496 | $167K |
| Deutsche Bank AG | 0.00% | Reduce -21.7% | 22,227 | $140K |
| Invesco Ltd. | 0.00% | Add +76.5% | 22,023 | $139K |
| Rockefeller Capital Management L.P. | 0.00% | Add +36.7% | 21,089 | $133K |
| MetLife Investment Management, LLC | 0.00% | Add +46.4% | 20,468 | $129K |
| Vanguard Global Advisers, LLC | 0.00% | — | 19,376 | $122K |
| Cwm, LLC | 0.00% | Reduce -2.1% | 18,177 | $115K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +20.4% | 18,236 | $112K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.4% | 17,547 | $111K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 15,593 | $98K |
| Cerity Partners LLC | 0.00% | Reduce -1.3% | 15,185 | $96K |
| BNP Paribas Financial Markets | 0.00% | Reduce -3.5% | 15,094 | $95K |
| Flax Pond Capital, LLC | 0.07% | Reduce -97.4% | 14,200 | $89K |
| Wells Fargo & Company | 0.00% | Reduce -67.8% | 13,949 | $88K |
| Susquehanna International Group, LLP | 0.00% | Reduce -33.3% | 13,164 | $83K |
| Squarepoint Ops LLC | 0.00% | New | 12,972 | $82K |
| FMR LLC | 0.00% | Add +19.3% | 11,251 | $71K |
| Mercer Global Advisors Inc. | 0.00% | New | 11,175 | $70K |
| Cetera Investment Advisers | 0.00% | Reduce -14.3% | 10,802 | $68K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -15.2% | 10,352 | $65K |
| M&T Bank Corp | 0.00% | No change | 10,221 | $64K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -53.6% | 10,157 | $64K |
| Prudential Financial Inc. | 0.00% | New | 10,065 | $63K |
| New York State Common Retirement Fund | 0.00% | No change | 8,912 | $56K |
| Barclays PLC | 0.00% | Reduce -85.5% | 8,861 | $56K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 7,021 | $44K |
| 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 |
| Tower Research Capital LLC (TRC) | 0.00% | Add +88.9% | 3,328 | $21K |
| American Capital Advisory, LLC | 0.01% | No change | 2,600 | $16K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +84.9% | 2,422 | $15K |
| State of Wyoming | 0.00% | Add +387.6% | 2,277 | $14K |
| Versant Capital Management, Inc | 0.00% | Add +42.8% | 2,239 | $14K |
| California State Teachers Retirement System | 0.00% | Reduce -12.2% | 1,995 | $13K |
| GAMMA Investing LLC | 0.00% | Add +15.1% | 1,902 | $12K |
| Citigroup Inc. | 0.00% | Add +105.2% | 1,713 | $11K |
| Farther Finance Advisors, LLC | 0.00% | Add +0.5% | 1,384 | $8K |
| Sterling Capital Management LLC | 0.00% | Reduce -42.6% | 1,220 | $8K |
| Arax Advisory Partners | 0.00% | Add +15.6% | 1,048 | $6K |
| Parallel Advisors, LLC | 0.00% | No change | 975 | $6K |
| PNC Financial Services Group, Inc. | 0.00% | Add +10.2% | 884 | $6K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +110.9% | 757 | $5K |
| Fifth Third Bancorp | 0.00% | Add +168.5% | 537 | $3K |
| Optiver Holding B.V. | 0.00% | Reduce -41.7% | 380 | $2K |
| True Wealth Design, LLC | 0.00% | No change | 306 | $2K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 281 | $2K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 95 | $599 |
| Allworth Financial LP | 0.00% | New | 95 | $599 |
| Cornerstone Planning Group LLC | 0.00% | No change | 123 | $577 |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 90 | $567 |
| SBI Securities Co., Ltd. | 0.00% | Add +1220.0% | 66 | $416 |
| IFP Advisors, Inc | 0.00% | No change | 65 | $410 |
| Essential Partners LLC | 0.00% | No change | 48 | $302 |
| Basecamp Wealth Advisors LLC | 0.00% | New | 45 | $284 |
| Root Financial Partners, LLC | 0.00% | New | 30 | $189 |
| Rothschild Investment LLC | 0.00% | Add +23.8% | 26 | $164 |
| MAI Capital Management | 0.00% | Add +4.3% | 24 | $152 |
| International Assets Investment Management, LLC | 0.00% | No change | 19 | $115 |
| Sunbelt Securities, Inc. | 0.00% | No change | 12 | $76 |
| Royal Bank of Canada | 0.00% | Reduce -98.9% | 27 | $0 |
"% 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.