Who owns James River Group Holdings, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of JRVR from SEC Form 13F filings across 115 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 115 institutions disclosed 32.9M shares of James River Group Holdings, Inc. worth $122.3M — about 71.1% of shares outstanding; the largest disclosed holder is Zimmer Partners, LP. Source: SEC Form 13F filings, parsed by EvidInvest.
115
13F holders
$122.3M
value, 2026 filers
71.1%
of shares outstanding (32.9M sh)
23
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of JRVR's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Zimmer Partners, LP | 4.6M | $20.3M | 0.5% | 10% | +0.7% |
| 2 | T. Rowe Price Investment Management, Inc. | 4.6M | $20,266 | 0.0% | 9.9% | +2.5% |
| 3 | BlackRock, Inc. | 3.4M | $14.9M | 0.0% | 7.3% | +8.1% |
| 4 | CONTINENTAL GENERAL INSURANCE CO | 2.6M | $11.5M | 2.4% | 5.6% | +3.5% |
| 5 | DONALD SMITH & CO., INC. | 2.4M | $10.7M | 0.2% | 5.3% | +34.0% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | $7.6M | 0.0% | 3.7% | -0.1% |
| 7 | RBF Capital, LLC | 1.2M | $5.4M | 0.2% | 2.6% | +8.3% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $4.9M | 0.0% | 2.4% | +9.3% |
| 9 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | 1.1M | $4.7M | 0.2% | 2.3% | +29.3% |
| 10 | Boston Partners | 1.0M | $4.6M | 0.0% | 2.2% | +22.6% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 1.0M | $4.4M | 0.0% | 2.2% | +18.5% |
| 12 | STATE STREET CORP | 827,859 | $3.6M | 0.0% | 1.8% | +0.3% |
| 13 | MORGAN STANLEY | 740,966 | $3.3M | 0.0% | 1.6% | +28.8% |
| 14 | AQR CAPITAL MANAGEMENT LLC | 508,019 | $2.2M | 0.0% | 1.1% | +47.7% |
| 15 | KENNEDY CAPITAL MANAGEMENT LLC | 492,253 | $2.2M | 0.0% | 1.1% | -1.9% |
| 16 | PRICE T ROWE ASSOCIATES INC /MD/ | 376,537 | $1,658 | 0.0% | 0.8% | +3.3% |
| 17 | AMERICAN CENTURY COMPANIES INC | 376,187 | $1.7M | 0.0% | 0.8% | +134.4% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 360,226 | $1.6M | 0.0% | 0.8% | +1.8% |
| 19 | Sixth Street Partners Management Company, L.P.NEW | 360,226 | $1.6M | 0.3% | 0.8% | new |
| 20 | NORTHERN TRUST CORP | 347,097 | $1.5M | 0.0% | 0.7% | +8.0% |
| 21 | JACOBS LEVY EQUITY MANAGEMENT, INC | 324,394 | $1.4M | 0.0% | 0.7% | -7.2% |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLC | 309,701 | $1.4M | 0.0% | 0.7% | +11.5% |
| 23 | VANGUARD FIDUCIARY TRUST CO | 299,496 | $1.3M | 0.0% | 0.6% | +5.3% |
| 24 | D. E. Shaw & Co., Inc. | 282,249 | $1.2M | 0.0% | 0.6% | +53.2% |
| 25 | GOLDMAN SACHS GROUP INC | 226,485 | $996,534 | 0.0% | 0.5% | -17.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.