| 4 | CONTINENTAL GENERAL INSURANCE CO | 2.6M | $11.5M | +3.5% | 5.640% | 2.39% |
| 5 | Enstar Group LTD | 2.6M | $11.3M | 0.0% | 5.603% | 5.24% |
| 6 | DONALD SMITH & CO., INC. | 2.4M | $10.7M | +34.0% | 5.278% | 0.19% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | $7.6M | -0.1% | 3.729% | 0.00% |
| 8 | RBF Capital, LLC | 1.2M | $5.4M | +8.3% | 2.643% | 0.22% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $4.9M | +9.3% | 2.391% | 0.00% |
| 10 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | 1.1M | $4.7M | +29.3% | 2.291% | 0.19% |
| 11 | Boston Partners | 1.0M | $4.6M | +22.6% | 2.246% | 0.00% |
| 12 | DIMENSIONAL FUND ADVISORS LP | 1.0M | $4.4M | +18.5% | 2.166% | 0.00% |
| 13 | STATE STREET CORP | 828K | $3.6M | +0.3% | 1.790% | 0.00% |
| 14 | MORGAN STANLEY | 741K | $3.3M | +28.8% | 1.603% | 0.00% |
| 15 | AQR CAPITAL MANAGEMENT LLC | 508K | $2.2M | +47.7% | 1.099% | 0.00% |
| 16 | KENNEDY CAPITAL MANAGEMENT LLC | 492K | $2.2M | -1.8% | 1.065% | 0.04% |
| 17 | AMERICAN CENTURY COMPANIES INC | 376K | $1.7M | +134.4% | 0.814% | 0.00% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 360K | $1.6M | +1.8% | 0.779% | 0.00% |
| 19 | NORTHERN TRUST CORP | 347K | $1.5M | +8.0% | 0.751% | 0.00% |
| 20 | JACOBS LEVY EQUITY MANAGEMENT, INC | 324K | $1.4M | -7.2% | 0.702% | 0.01% |
| 21 | VANGUARD PORTFOLIO MANAGEMENT LLC | 310K | $1.4M | +11.5% | 0.670% | 0.00% |
| 22 | VANGUARD FIDUCIARY TRUST CO | 299K | $1.3M | +5.3% | 0.648% | 0.00% |
| 23 | FLAX POND CAPITAL, LLC | 294K | $1.3M | +1973.1% | 0.637% | 0.48% |
| 24 | D. E. Shaw & Co., Inc. | 282K | $1.2M | +53.3% | 0.610% | 0.00% |
| 25 | GOLDMAN SACHS GROUP INC | 226K | $997K | -17.7% | 0.490% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in JRVR — a direct measure of their conviction.
| 74.06% |
| 0.38 pp |
| $122M |
| 14% |
| Q4 2024 | 117 | 6.4% | 74.44% | 6.33 pp | $142M | 13% |
| Q3 2024 | 125 | — | 80.77% | — | $163M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
18 institutions opened new positions in JRVR during Q2 2026, while 20 fully exited. 24 added to existing positions and 71 trimmed.
JRVR institutional ownership rose by 3.45 percentage points quarter-over-quarter, with a net change of -3 holders.
The top 10 institutions account for 73.5% of all reported 13F value in JRVR, and the top 25 account for 94.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.