JAMES RIV GROUP HOLDINGS INC JRVR
COM SHS · Common Stock · CUSIP 46990A102
- SectorFinancials
- IndustryFire, Marine & Casualty Insurance
- HeadquartersChapel Hill, NC
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($137.1k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $4.41. Options: 3 managers hold calls ($169.0k notional), 4 hold puts ($452.3k).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q2 2025 | 1 |
| Q3 2025 | 5 |
| Q4 2025 | 117 |
| Q1 2026 | 115 |
| Q2 2026 | 114 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2025 | 5 | 0 |
| Q4 2025 | 111 | 3 |
| Q1 2026 | 60 | 47 |
| Q2 2026 | 68 | 49 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $0 | $0 | — |
| Q4 2025 | $17.8k | $3.2k | 0.18 |
| Q1 2026 | $466.8k | $3.1k | 0.01 |
| Q2 2026 | $169.0k | $452.3k | 2.68 |
Biggest buyers
| DONALD SMITH & CO., INC. | Added | +619.4k |
| FLAX POND CAPITAL, LLC | Added | +314.4k |
| BlackRock, Inc. | Added | +254.0k |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT | Added | +239.8k |
| AMERICAN CENTURY COMPANIES INC | Added | +215.7k |
| Boston Partners | Added | +191.7k |
| MORGAN STANLEY | Added | +165.6k |
| AQR CAPITAL MANAGEMENT LLC | Added | +164.0k |
| DIMENSIONAL FUND ADVISORS LP | Added | +156.2k |
| ArrowMark Colorado Holdings LLC | New | +150.0k |
Biggest sellers
| Hillsdale Investment Management Inc. | Sold out | -448.9k |
| Bronte Capital Management Pty Ltd. | Sold out | -339.0k |
| TWO SIGMA INVESTMENTS, LP | Reduced | -309.6k |
| SEGALL BRYANT & HAMILL, LLC | Sold out | -308.2k |
| Topline Capital Management, LLC | Sold out | -164.2k |
| JPMORGAN CHASE & CO | Reduced | -101.7k |
| GOLDMAN SACHS GROUP INC | Reduced | -48.7k |
| FNY Investment Advisers, LLC | Reduced | -46.7k |
| RENAISSANCE TECHNOLOGIES LLC | Sold out | -43.4k |
| Bleakley Financial Group, LLC | Sold out | -40.2k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $131.1k29.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $26.8k6.1k shares |
| GROUP ONE TRADING LLC | Reduced | $11.0k2.5k shares |
Biggest puts
| CITADEL ADVISORS LLC | New | $341.4k77.6k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $84.5k19.2k shares |
| GROUP ONE TRADING LLC | New | $18.0k4.1k shares |
| SIMPLEX TRADING, LLC | Added | $8.4k1.9k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
Zimmer Partners, LP
13D · may seek influence
new · filed 2026-05-15
Stated purposeThe Reporting Persons originally acquired the position in the shares of Common Stock of the Issuer for the account of the Zimmer Accounts in the belief that the shares of Common Stock were undervalued and represented an attractive investment opportunity. The Reporting Persons have begun to discuss or may in the future discuss with management of the Issuer, members of the Issuer's Board of Directors (the "Board") and other stockholders of the Issuer, among other things, strategic changes with respect to the Issuer or its subsidiaries, elimination of the common dividend and suspension of the preferred dividend, use of excess cash to pay down debt, a potential private placement of equity securities, other changes to the Issuer's operations and reduction of expenses, offerings of securities a… Full filing |
10.0% |
| Enstar Group LTD 13G · passive investor no change · filed 2026-08-13 | 5.6% |
| DONALD SMITH & CO., INC. 13G · institution new · filed 2026-08-11 | 5.3% |
| CONTINENTAL GENERAL INSURANCE CO 13G · passive investor new · filed 2026-03-24 | 5.3% |
Fell to 5% or below in the last year: BARCLAYS PLC (1.6%, 2026-05-14)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 4 | $828.1k | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| Zimmer Partners, LP 0.48% of their portfolio | 4.6m $20.3m | Added +32.0k |
| T. Rowe Price Investment Management, Inc. 0.01% of their portfolio | 4.6m $20.3m | Added +111.2k |
| BlackRock, Inc. 0.00% of their portfolio | 3.4m $14.9m | Added +254.0k |
| CONTINENTAL GENERAL INSURANCE CO 2.39% of their portfolio | 2.6m $11.5m | Added +87.3k |
| DONALD SMITH & CO., INC. 0.19% of their portfolio | 2.4m $10.7m | Added +619.4k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 1.7m $7.6m | Reduced -1.9k |
| RBF Capital, LLC 0.23% of their portfolio | 1.2m $5.4m | Added +93.5k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.1m $4.9m | Added +93.9k |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT 0.19% of their portfolio | 1.1m $4.7m | Added +239.8k |
| Boston Partners 0.00% of their portfolio | 1.0m $4.6m | Added +191.7k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 1.0m $4.4m | Added +156.2k |
| STATE STREET CORP 0.00% of their portfolio | 827.9k $3.6m | Added +2.2k |
| MORGAN STANLEY 0.00% of their portfolio | 741.0k $3.3m | Added +165.6k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 508.0k $2.2m | Added +164.0k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 492.3k $2.2m | Reduced -9.3k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 376.5k $1.7m | Added +12.0k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 376.2k $1.7m | Added +215.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 360.2k $1.6m | Added +6.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 347.1k $1.5m | Added +25.7k |
| FLAX POND CAPITAL, LLC 0.56% of their portfolio | 328.6k $1.5m | Added +314.4k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio | 324.4k $1.4m | Reduced -25.3k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 309.7k $1.4m | Added +31.9k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 299.5k $1.3m | Added +15.1k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 282.2k $1.2m | Added +98.1k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 226.5k $996.5k | Reduced -48.7k |
| Canal Insurance CO 0.16% of their portfolio | 164.1k $722.0k | Added +134.1k |
| Quantinno Capital Management LP 0.00% of their portfolio | 162.4k $714.6k | Added +60.3k |
| ArrowMark Colorado Holdings LLC 0.03% of their portfolio | 150.0k $660.0k | New |
| Bank of New York Mellon Corp 0.00% of their portfolio | 127.7k $561.7k | Reduced -17.5k |
| Quinn Opportunity Partners LLC 0.02% of their portfolio | 115.8k $509.4k | Unchanged |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 106.7k $469.5k | Added +46.7k |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.00% of their portfolio | 88.4k $389.1k | New |
| Public Sector Pension Investment Board 0.00% of their portfolio | 76.0k $334.2k | Unchanged |
| Nuveen, LLC 0.00% of their portfolio | 70.7k $311.0k | Reduced -18.8k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 63.0k $277.1k | Added +25.2k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 62.5k $394.1k | Added +7.6k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 62.4k $274.4k | Unchanged |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 54.6k $240.1k | Reduced -309.6k |
| RITHOLTZ WEALTH MANAGEMENT 0.00% of their portfolio | 50.2k $220.9k | New |
| XTX Topco Ltd 0.00% of their portfolio | 46.8k $205.8k | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 46.0k $202.3k | Added +300 |
| SEI INVESTMENTS CO 0.00% of their portfolio | 45.0k $197.8k | Reduced -38.4k |
| UBS Group AG 0.00% of their portfolio | 38.4k $168.9k | Added +3.4k |
| Invesco Ltd. 0.00% of their portfolio | 36.8k $161.8k | Added +14.8k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 36.5k $160.5k | Added +14.3k |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio | 32.1k $141.1k | Unchanged |
| Graham Capital Management, L.P. 0.00% of their portfolio | 31.8k $139.7k | New |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 31.3k $137.9k | Added +17.4k |
| SmartHarvest Portfolios, LLC 0.04% of their portfolio | 27.2k $119.5k | New |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 27.1k $119.5k | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 27.0k $118.8k | Reduced -9.7k |
| Sowell Financial Services LLC 0.00% of their portfolio | 26.8k $117.9k | Added +300 |
| DRW Securities, LLC 0.01% of their portfolio | 23.7k $104.3k | New |
| IEQ CAPITAL, LLC 0.00% of their portfolio | 22.7k $99.7k | Reduced -9.7k |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio | 20.2k $92.0k | Added +1.9k |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 20.1k $88.4k | Added +4.5k |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 19.4k $85.3k | Unchanged |
| FMR LLC 0.00% of their portfolio | 18.0k $79.2k | Added +6.8k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 17.2k $75.8k | Reduced -329 |
| CITIGROUP INC 0.00% of their portfolio | 17.2k $75.6k | Added +15.5k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 16.2k $72.1k | Reduced -101.7k |
| PDT Partners, LLC 0.00% of their portfolio | 15.7k $69.1k | New |
| Rockefeller Capital Management L.P. 0.00% of their portfolio | 15.6k $68.7k | Reduced -5.5k |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 14.8k $65.1k | Added +14.7k |
| MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio | 14.1k $61.9k | Added +2.9k |
| Jump Financial, LLC 0.00% of their portfolio | 13.6k $60.0k | Reduced -15.6k |
| Cetera Investment Advisers 0.00% of their portfolio | 13.2k $58.0k | Added +2.4k |
| GLENMEDE TRUST CO NA 0.00% of their portfolio | 12.6k $55.4k | New |
| NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio | 11.8k $51.7k | New |
| Cerity Partners LLC 0.00% of their portfolio | 11.5k $50.5k | Reduced -3.7k |
| Vise Technologies, Inc. 0.00% of their portfolio | 11.3k $49.8k | New |
| Atom Investors LP 0.00% of their portfolio | 11.1k $48.8k | New |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 10.9k $47.8k | Added +501 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 10.5k $46.3k | Reduced -2.6k |
| FNY Investment Advisers, LLC 0.01% of their portfolio | 9.4k $41.0k | Reduced -46.7k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 8.9k $39.2k | Unchanged |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 7.0k $30.9k | Unchanged |
| State of Wyoming 0.00% of their portfolio | 7.0k $30.8k | Added +4.7k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 6.5k $28.5k | Added +3.2k |
| Versant Capital Management, Inc 0.00% of their portfolio | 6.2k $27.2k | Added +3.9k |
| BARCLAYS PLC 0.00% of their portfolio | 5.0k $21.9k | Reduced -3.9k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 4.6k $20.2k | Reduced -10.5k |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 3.7k $16.2k | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 3.5k $15.3k | Unchanged |
| American Capital Advisory, LLC 0.00% of their portfolio | 2.6k $11.4k | Unchanged |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 1.8k $7.8k | New |
| Arax Advisory Partners 0.00% of their portfolio | 1.5k $6.5k | Added +419 |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 1.3k $6.0k | Added +1.2k |
| HARBOR CAPITAL ADVISORS, INC. 0.00% of their portfolio | 757 $3.0k | Unchanged |
| Sterling Capital Management LLC 0.00% of their portfolio | 690 $3.0k | Reduced -530 |
| FIFTH THIRD BANCORP 0.00% of their portfolio | 537 $2.4k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 515 $2.3k | Reduced -1.5k |
| LANARK FINANCIAL, INC. 0.00% of their portfolio | 501 $2.2k | New |
| Allworth Financial LP 0.00% of their portfolio | 426 $1.9k | Added +331 |
| Allied Private Wealth LLC 0.00% of their portfolio | 400 $1.8k | First filing |
| Clearstead Advisors, LLC 0.00% of their portfolio | 394 $1.7k | New |
| Parallel Advisors, LLC 0.00% of their portfolio | 368 $1.6k | Reduced -607 |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 348 $1.5k | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 281 $1.2k | Unchanged |
| GAMMA Investing LLC 0.00% of their portfolio | 254 $1.1k | Reduced -1.6k |