Who owns JRVR (JRVR)
Which tracked institutional funds hold JRVR, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See JRVR company fundamentals →
Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
14 tracked funds added or opened JRVR while 11 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
JRVR’s largest tracked holder by dollar value, Gallatin Point Capital LLC, sizes it at 15.5% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 15.5pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in JRVR divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 117 tracked filers holding JRVR, 65 increased or opened the position and 50 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in JRVR between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 5
- CONTINENTAL GENERAL INSURANCE CO$16M
- VANGUARD CAPITAL MANAGEMENT LLC$11M
- VANGUARD FIDUCIARY TRUST CO$2M
- VANGUARD PORTFOLIO MANAGEMENT LLC$2M
- Topline Capital Management, LLC$1M
Full exits 3
- VANGUARD GROUP INC$14M
- TWO SIGMA ADVISERS, LP$2M
- GSA CAPITAL PARTNERS LLP$566K
Largest adds
- T. Rowe Price Investment Management, Inc.$18M
- Bronte Capital Management Pty Ltd.$1M
- Hillsdale Investment Management Inc.$866K
- DONALD SMITH & CO., INC.$843K
- TWO SIGMA INVESTMENTS, LP$599K
- JACOBS LEVY EQUITY MANAGEMENT, INC$469K
Largest trims
- FLAX POND CAPITAL, LLC$3M
- PRICE T ROWE ASSOCIATES INC /MD/$3M
- D. E. Shaw & Co., Inc.$2M
- AMERICAN CENTURY COMPANIES INC$421K
- Gallatin Point Capital LLC$352K
- BARCLAYS PLC$332K
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Gallatin Point Capital LLC | 5,859,375 | $37M | 12.9% | 2026-Q1 |
| Zimmer Partners, LP | 4,591,638 | $29M | 10.1% | 2026-Q1 |
| T. Rowe Price Investment Management, Inc. added | 4,494,651 | $28M | 9.9% | 2026-Q1 |
| BlackRock, Inc. added | 3,140,842 | $20M | 6.9% | 2026-Q1 |
| Enstar Group LTD | 2,590,765 | $16M | 5.7% | 2026-Q1 |
| CONTINENTAL GENERAL INSURANCE CO new | 2,520,242 | $16M | 5.6% | 2026-Q1 |
| DONALD SMITH & CO., INC. added | 1,820,969 | $11M | 4.0% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 1,726,019 | $11M | 3.8% | 2026-Q1 |
| RBF Capital, LLC added | 1,128,525 | $7M | 2.5% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC trimmed | 1,011,575 | $6M | 2.2% | 2026-Q1 |
| Boston Partners added | 847,025 | $5M | 1.9% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP added | 845,243 | $5M | 1.9% | 2026-Q1 |
| STATE STREET CORP added | 825,675 | $5M | 1.8% | 2026-Q1 |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT | 819,355 | $5M | 1.8% | 2026-Q1 |
| MORGAN STANLEY trimmed | 575,372 | $4M | 1.3% | 2026-Q1 |
| KENNEDY CAPITAL MANAGEMENT LLC added | 501,534 | $3M | 1.1% | 2026-Q1 |
| Hillsdale Investment Management Inc. added | 448,860 | $3M | 1.0% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ trimmed | 364,577 | $2M | 0.8% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 364,199 | $2M | 0.8% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed | 353,923 | $2M | 0.8% | 2026-Q1 |
| JACOBS LEVY EQUITY MANAGEMENT, INC added | 349,741 | $2M | 0.8% | 2026-Q1 |
| Bronte Capital Management Pty Ltd. added | 338,961 | $2M | 0.7% | 2026-Q1 |
| AQR CAPITAL MANAGEMENT LLC trimmed | 333,868 | $2M | 0.7% | 2026-Q1 |
| NORTHERN TRUST CORP added | 321,363 | $2M | 0.7% | 2026-Q1 |
| SEGALL BRYANT & HAMILL, LLC trimmed | 308,246 | $2M | 0.7% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 284,379 | $2M | 0.6% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 277,798 | $2M | 0.6% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 275,187 | $2M | 0.6% | 2026-Q1 |
| D. E. Shaw & Co., Inc. trimmed | 184,180 | $1M | 0.4% | 2026-Q1 |
| Topline Capital Management, LLC new | 164,194 | $1M | 0.4% | 2026-Q1 |
| AMERICAN CENTURY COMPANIES INC trimmed | 160,458 | $1M | 0.4% | 2026-Q1 |
| Bank of New York Mellon Corp added | 145,201 | $915K | 0.3% | 2026-Q1 |
| JPMORGAN CHASE & CO trimmed | 117,895 | $739K | 0.3% | 2026-Q1 |
| Quinn Opportunity Partners LLC | 115,768 | $729K | 0.3% | 2026-Q1 |
| Quantinno Capital Management LP added | 102,164 | $644K | 0.2% | 2026-Q1 |
| Nuveen, LLC added | 89,486 | $564K | 0.2% | 2026-Q1 |
| SEI INVESTMENTS CO added | 83,400 | $525K | 0.2% | 2026-Q1 |
| Public Sector Pension Investment Board | 75,956 | $479K | 0.2% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC trimmed | 62,369 | $393K | 0.1% | 2026-Q1 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC added | 60,000 | $378K | 0.1% | 2026-Q1 |
| FNY Investment Advisers, LLC added | 56,057 | $353K | 0.1% | 2026-Q1 |
| ALLIANCEBERNSTEIN L.P. trimmed | 54,950 | $349K | 0.1% | 2026-Q1 |
| RHUMBLINE ADVISERS trimmed | 45,670 | $288K | 0.1% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC added | 43,400 | $273K | 0.1% | 2026-Q1 |
| Bleakley Financial Group, LLC added | 40,158 | $253K | 0.1% | 2026-Q1 |
| Russell Investments Group, Ltd. added | 37,803 | $238K | 0.1% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ added | 36,690 | $231K | 0.1% | 2026-Q1 |
| UBS Group AG added | 34,975 | $220K | 0.1% | 2026-Q1 |
| IEQ CAPITAL, LLC trimmed | 32,363 | $204K | 0.1% | 2026-Q1 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO added | 32,061 | $202K | 0.1% | 2026-Q1 |
| Canal Insurance CO new | 30,000 | $189K | 0.1% | 2026-Q1 |
| Jump Financial, LLC added | 29,261 | $184K | 0.1% | 2026-Q1 |
| Engineers Gate Manager LP added | 29,209 | $184K | 0.1% | 2026-Q1 |
| FRANKLIN RESOURCES INC trimmed | 27,150 | $171K | 0.1% | 2026-Q1 |
| Creative Planning added | 27,121 | $171K | 0.1% | 2026-Q1 |
| Odyssean, LLC added | 26,648 | $168K | 0.1% | 2026-Q1 |
| Sowell Financial Services LLC | 26,496 | $167K | 0.1% | 2026-Q1 |
| DEUTSCHE BANK AG\ trimmed | 22,227 | $140K | 0.0% | 2026-Q1 |
| Invesco Ltd. added | 22,023 | $139K | 0.0% | 2026-Q1 |
| Rockefeller Capital Management L.P. added | 21,089 | $133K | 0.0% | 2026-Q1 |
| MetLife Investment Management, LLC added | 20,468 | $129K | 0.0% | 2026-Q1 |
| Vanguard Global Advisers, LLC new | 19,376 | $122K | 0.0% | 2026-Q1 |
| CWM, LLC trimmed | 18,177 | $115K | 0.0% | 2026-Q1 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC added | 18,236 | $112K | 0.0% | 2026-Q1 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added | 17,547 | $111K | 0.0% | 2026-Q1 |
| Connor, Clark & Lunn Investment Management Ltd. added | 15,593 | $98K | 0.0% | 2026-Q1 |
| Cerity Partners LLC trimmed | 15,185 | $96K | 0.0% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS trimmed | 15,094 | $95K | 0.0% | 2026-Q1 |
| FLAX POND CAPITAL, LLC trimmed | 14,200 | $89K | 0.0% | 2026-Q1 |
| WELLS FARGO & COMPANY/MN trimmed | 13,949 | $88K | 0.0% | 2026-Q1 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed | 13,164 | $83K | 0.0% | 2026-Q1 |
| Squarepoint Ops LLC trimmed | 12,972 | $82K | 0.0% | 2026-Q1 |
| VANGUARD GROUP INC trimmed | 2,264,383 | $14M | 5.0% | 2025-Q4 stale |
| FULLER & THALER ASSET MANAGEMENT, INC. trimmed | 2,047,642 | $12M | 4.2% | 2025-Q2 stale |
| CANTOR FITZGERALD, L. P. added | 434,657 | $2M | 0.8% | 2025-Q3 stale |
| TWO SIGMA ADVISERS, LP trimmed | 319,900 | $2M | 0.7% | 2025-Q4 stale |
| FIRST TRUST ADVISORS LP added | 148,153 | $868K | 0.3% | 2025-Q2 stale |
| Perpetual Ltd trimmed | 117,045 | $650K | 0.2% | 2025-Q3 stale |
| GSA CAPITAL PARTNERS LLP added | 89,050 | $566K | 0.2% | 2025-Q4 stale |
| MARSHALL WACE, LLP trimmed | 69,787 | $444K | 0.2% | 2025-Q4 stale |
| THOMPSON SIEGEL & WALMSLEY LLC trimmed | 45,540 | $290K | 0.1% | 2025-Q4 stale |
| MILLENNIUM MANAGEMENT LLC added | 66,022 | $277K | 0.1% | 2025-Q1 stale |
| JANE STREET GROUP, LLC trimmed | 35,221 | $224K | 0.1% | 2025-Q4 stale |
| Brooklyn Investment Group added | 39,231 | $218K | 0.1% | 2025-Q3 stale |
| Interval Partners, LP trimmed | 33,733 | $198K | 0.1% | 2025-Q2 stale |
| OCCUDO QUANTITATIVE STRATEGIES LP added | 29,667 | $189K | 0.1% | 2025-Q4 stale |
| BBR PARTNERS, LLC added | 40,000 | $168K | 0.1% | 2025-Q1 stale |
| Brandywine Global Investment Management, LLC | 26,170 | $166K | 0.1% | 2025-Q4 stale |
| Sanctuary Advisors, LLC new | 28,841 | $160K | 0.1% | 2025-Q3 stale |
| XTX Topco Ltd trimmed | 26,000 | $144K | 0.1% | 2025-Q3 stale |
| STIFEL FINANCIAL CORP trimmed | 24,000 | $141K | 0.0% | 2025-Q2 stale |
| CITADEL ADVISORS LLC added | 21,667 | $138K | 0.0% | 2025-Q4 stale |
| ALGERT GLOBAL LLC | 24,062 | $134K | 0.0% | 2025-Q3 stale |
| RAYMOND JAMES FINANCIAL INC trimmed | 19,862 | $116K | 0.0% | 2025-Q2 stale |
| INTECH INVESTMENT MANAGEMENT LLC trimmed | 16,047 | $102K | 0.0% | 2025-Q4 stale |
| R Squared Ltd added | 15,713 | $100K | 0.0% | 2025-Q4 stale |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC trimmed | 15,454 | $98K | 0.0% | 2025-Q4 stale |
| Corebridge Financial, Inc. trimmed | 18,370 | $77K | 0.0% | 2025-Q1 stale |
| HRT FINANCIAL LP added | 11,654 | $74K | 0.0% | 2025-Q4 stale |
| PFG Investments, LLC new | 11,175 | $71K | 0.0% | 2025-Q4 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.