James River Group Holdings, Inc. 13F holders
113 funds reported a position in James River Group Holdings, Inc. in their 13F for the quarter ended 30 June 2026, together 32.8 million shares worth $144.7 million. Against the quarter before, 19 opened a position, 48 added, 29 trimmed and 20 sold out; together they bought a net 1.6 million shares. The largest holders: Zimmer Partners, LP, T. Rowe Price Investment Management, Inc. and BlackRock, Inc.
Funds holding113-2 on Q1 2026
Shares they held32.8Mworth $144.7 million
Net bought on the quarter1.6M sharesabout $7.1 million at the funds' values
Funds buying to selling67 to 49opened or added, to cut or sold
Opened 19Added 48Held 16Trimmed 29Sold out 20
What each fund did in JRVR against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in JRVR in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 24 reported a position in James River Group Holdings, Inc.: 3 opened one, 10 added, 7 trimmed and 5 sold out, a net 53,400 shares bought.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 3 reported a position in James River Group Holdings, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 1.1 million shares worth $4.9 million, 0.0% of its reported book. Sold out: Renaissance Technologies. In the quarter, 2 funds added or opened a position and 2 trimmed or sold out; together they sold a net 252,371 shares, about $1.1 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 1,105,485 | $4.9 million | 0.0% | +93,910 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 54,565 | $240,086 | 0.0% | -309,634 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 18,004 | $79,218 | 0.0% | +6,753 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -43,400 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| Zimmer Partners, LP | 4,623,685 | 14.08% | $20.3 million | 0.48% | +32,047 | 13F |
| T. Rowe Price Investment Management, Inc. | 4,605,838 | 14.02% | $20.3 million | 0.01% | +111,187 | 13F |
| BlackRock, Inc. | 3,394,851 | 10.34% | $14.9 million | 0.00% | +254,009 | 13F |
| Continental General Insurance Co. | 2,607,587 | 7.94% | $11.5 million | 2.39% | +87,345 | 13F |
| Donald Smith & Co., Inc. | 2,440,347 | 7.43% | $10.7 million | 0.19% | +619,378 | 13F |
| Vanguard Capital Management LLC | 1,724,161 | 5.25% | $7.6 million | 0.00% | -1,858 | 13F |
| RBF Capital, LLC | 1,221,980 | 3.72% | $5.4 million | 0.23% | +93,455 | 13F |
| Geode Capital Management, LLC | 1,105,485 | 3.37% | $4.9 million | 0.00% | +93,910 | 13F |
| Discovery Capital Management, LLC | 1,059,155 | 3.22% | $4.7 million | 0.19% | +239,800 | 13F |
| Boston Partners | 1,038,717 | 3.16% | $4.6 million | 0.00% | +191,692 | 13F |
| Dimensional Fund Advisors LP | 1,001,405 | 3.05% | $4.4 million | 0.00% | +156,162 | 13F |
| State Street Corp. | 827,859 | 2.52% | $3.6 million | 0.00% | +2,184 | 13F |
| Morgan Stanley | 740,966 | 2.26% | $3.3 million | 0.00% | +165,594 | 13F |
| AQR Capital Management LLC | 508,019 | 1.55% | $2.2 million | 0.00% | +163,996 | 13F |
| Kennedy Capital Management LLC | 492,253 | 1.50% | $2.2 million | 0.04% | -9,281 | 13F |
| Price T Rowe Associates Inc. | 376,537 | 1.15% | $1.7 million | 0.00% | +11,960 | 13F |
| American Century Companies Inc. | 376,187 | 1.15% | $1.7 million | 0.00% | +215,729 | 13F |
| Charles Schwab Investment Management Inc. | 360,226 | 1.10% | $1.6 million | 0.00% | +6,303 | 13F |
| Northern Trust Corp. | 347,097 | 1.06% | $1.5 million | 0.00% | +25,734 | 13F |
| Flax Pond Capital, LLC | 328,574 | 1.00% | $1.5 million | 0.56% | +314,374 | 13F |
| Jacobs Levy Equity Management, Inc. | 324,394 | 0.99% | $1.4 million | 0.01% | -25,347 | 13F |
| Vanguard Portfolio Management LLC | 309,701 | 0.94% | $1.4 million | 0.00% | +31,903 | 13F |
| Vanguard Fiduciary Trust Co. | 299,496 | 0.91% | $1.3 million | 0.00% | +15,117 | 13F |
| D. E. Shaw & Co., Inc. | 282,249 | 0.86% | $1.2 million | 0.00% | +98,069 | 13F |
| Goldman Sachs Group Inc. | 226,485 | 0.69% | $996,534 | 0.00% | -48,702 | 13F |
| Canal Insurance CO | 164,071 | 0.50% | $722,000 | 0.16% | +134,071 | 13F |
| Quantinno Capital Management LP | 162,417 | 0.49% | $714,637 | 0.00% | +60,253 | 13F |
| ArrowMark Colorado Holdings LLC | 150,000 | 0.46% | $660,000 | 0.03% | new | 13F |
| Bank of New York Mellon Corp | 127,659 | 0.39% | $561,700 | 0.00% | -17,542 | 13F |
| Quinn Opportunity Partners LLC | 115,768 | 0.35% | $509,379 | 0.02% | no change | 13F |
| Bridgeway Capital Management, LLC | 106,700 | 0.32% | $469,480 | 0.01% | +46,700 | 13F |
| AllianceBernstein L.P. | 62,550 | 0.19% | $394,065 | 0.00% | +7,600 | 13F |
| O'shaughnessy Asset Management, LLC | 88,440 | 0.27% | $389,136 | 0.00% | new | 13F |
| Public Sector Pension Investment Board | 75,956 | 0.23% | $334,206 | 0.00% | no change | 13F |
| Nuveen, LLC | 70,673 | 0.22% | $310,961 | 0.00% | -18,813 | 13F |
| Russell Investments Group, Ltd. | 62,979 | 0.19% | $277,104 | 0.00% | +25,176 | 13F |
| Ameriprise Financial Inc. | 62,369 | 0.19% | $274,424 | 0.00% | no change | 13F |
| Two Sigma Investments, LP | 54,565 | 0.17% | $240,086 | 0.00% | -309,634 | 13F |
| Ritholtz Wealth Management | 50,194 | 0.15% | $220,854 | 0.00% | new | 13F |
| XTX Topco Ltd | 46,772 | 0.14% | $205,797 | 0.00% | new | 13F |
| Rhumbline Advisers | 45,970 | 0.14% | $202,259 | 0.00% | +300 | 13F |
| Sei Investments Co. | 44,957 | 0.14% | $197,821 | 0.00% | -38,443 | 13F |
| UBS Group AG | 38,381 | 0.12% | $168,876 | 0.00% | +3,406 | 13F |
| Invesco Ltd. | 36,784 | 0.11% | $161,850 | 0.00% | +14,761 | 13F |
| Deutsche Bank AG | 36,481 | 0.11% | $160,516 | 0.00% | +14,254 | 13F |
| Public Employees Retirement System of Ohio | 32,061 | 0.10% | $141,068 | 0.00% | no change | 13F |
| Graham Capital Management, L.P. | 31,754 | 0.10% | $139,718 | 0.01% | new | 13F |
| Wells Fargo & Company | 31,333 | 0.10% | $137,865 | 0.00% | +17,384 | 13F |
| SmartHarvest Portfolios, LLC | 27,161 | 0.08% | $119,509 | 0.04% | new | 13F |
| Franklin Resources Inc. | 27,150 | 0.08% | $119,460 | 0.00% | no change | 13F |
The 50 largest of the 113 funds that reported a position in JRVR in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on JRVR
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 77,600 | $341,440 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 13 August 2026 | 13G/A | Enstar Group Limited and 7 others | 2.6 million | 5.6% | 30 June 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 11 August 2026 | 13G | Donald Smith & Co., Inc. and 3 others | 2.4 million | 5.3% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13D | Zimmer Partners, LP and 3 others | 4.6 million | 10.0% | 14 May 2026 | The 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 investmen | EDGAR |
| 14 May 2026 | 13G/A | Barclays PLC and 1 other | 740,342 | 1.6% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 24 March 2026 | 13G | Continental General Insurance Co and 7 others | 2.4 million | 5.3% | 17 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 11 February 2026 | 13G | Barclays PLC and 1 other | 2.3 million | 5.0% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 13 November 2025 | 13G/A | Enstar Group Limited and 3 others | 2.6 million | 5.6% | 30 September 2025 | passive, under 20% (13d-1(c)) | EDGAR |
| 12 November 2025 | 13G/A | Zimmer Partners, LP and 7 others | 4.6 million | 10.0% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 27 August 2026 | 1,169 | $4.14 | SEC |
| 26 August 2026 | 6,327 | $4.13 | SEC |
| 20 August 2026 | 7 | $4.02 | SEC |
| 14 August 2026 | 5,547 | $4.33 | SEC |
| 13 August 2026 | 810 | $4.31 | SEC |
| 5 August 2026 | 1,797 | $4.61 | SEC |
| 27 July 2026 | 1,424 | $4.71 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.