James River Group Holdings, Ltd. (JRVR) Ownership

NASDAQ: JRVRTop holders, insider trades and short interest.

JRVR ownership summary

as of October 18, 2026
Institutions
84.0%
of shares outstanding
Insiders
7.89%
of shares outstanding
Shares outstanding
46.2M
Float
40.6M
shares available to trade
Short interest
7.46%
1.6M shares short
Days to cover
5.12
short interest down 11.0% vs prior month
  • Institutions 83.98%
  • Insiders 7.89%
  • Other investors 8.13%

JRVR top institutional holders

20 largest
James River Group Holdings, Ltd. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Zimmer Partners LP10.00%4.6M$17.7M+32,047 (+0.7%)June 30, 2026
2T. Rowe Price Investment Management,Inc.9.96%4.6M$17.6M+111,187 (+2.5%)June 30, 2026
3BlackRock Inc7.34%3.4M$13.0M+254,009 (+8.1%)June 30, 2026
4Donald Smith & Co Inc5.28%2.4M$9.3M+619,378 (+34.0%)June 30, 2026
5Vanguard Capital Management, LLC3.73%1.7M$6.6M−1,858 (−0.1%)June 30, 2026
6RBF LLC2.64%1.2M$4.7M+93,455 (+8.3%)June 30, 2026
7Geode Capital Management, LLC2.39%1.1M$4.2M+93,910 (+9.3%)June 30, 2026
8Discovery Capital Management LLC2.29%1.1M$4.0M+239,800 (+29.3%)June 30, 2026
9Boston Partners Global Investors, Inc2.25%1.0M$4.0M+191,692 (+22.6%)June 30, 2026
10Dimensional Fund Advisors, Inc.2.17%1.0M$3.8M+156,162 (+18.5%)June 30, 2026
11State Street Corp1.79%828K$3.2M+2,184 (+0.3%)June 30, 2026
12Morgan Stanley - Brokerage Accounts1.60%741K$2.8M+165,594 (+28.8%)June 30, 2026
13AQR Capital Management LLC1.10%508K$1.9M+163,996 (+47.7%)June 30, 2026
14Kennedy Capital Management Inc1.06%492K$1.9M−9,281 (−1.9%)June 30, 2026
15T. Rowe Price Associates, Inc.0.81%377K$1.4M+11,960 (+3.3%)June 30, 2026
16American Century Companies Inc0.81%376K$1.4M+215,729 (+134.4%)June 30, 2026
17Charles Schwab Investment Management Inc0.78%360K$1.4M+6,303 (+1.8%)June 30, 2026
18Northern Trust Corp0.75%347K$1.3M+25,734 (+8.0%)June 30, 2026
19FLAX POND CAPITAL, LLC0.71%329K$1.3M+314,374 (+2,213.9%)June 30, 2026
20Jacobs Levy Equity Management, Inc.0.70%324K$1.2M−25,347 (−7.2%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 2.7M shares and 3 cut 36K.

JRVR top mutual fund and ETF holders

20 largest
James River Group Holdings, Ltd. top fund holders
#Holder% of sharesSharesValueChangeReported
1T. Rowe Price Small-Cap Value5.64%2.6M$10.0M—September 30, 2026
2iShares Russell 2000 ETF2.51%1.2M$4.4M−13,376 (−1.1%)September 30, 2026
3Vanguard MStar Total Stk Mkt Idx Invest2.50%1.2M$4.4M—August 31, 2026
4Boston Partners Small Cap Value II Inv1.23%571K$2.2M−27,169 (−4.5%)July 31, 2026
5iShares Russell 2000 Value ETF0.94%434K$1.7M+658 (+0.2%)September 30, 2026
6Fidelity Small Cap Index0.89%411K$1.6M−506 (−0.1%)July 31, 2026
7T. Rowe Price Financial Services0.58%270K$1.0M—September 30, 2026
8Avantis US Small Cap Value ETF0.57%262K$1.0M—September 30, 2026
9Vanguard Russell 2000 ETF0.47%216K$826,721+2,062 (+1.0%)September 30, 2026
10Schwab US Small-Cap ETF™0.45%207K$791,703+135 (+0.1%)September 30, 2026
11Fidelity Extended Market Index0.45%207K$791,496−26,175 (−11.2%)August 31, 2026
12DFA US Small Cap Value I0.43%201K$768,198+30,547 (+17.9%)August 31, 2026
13SEI Tax-Managed Small/Mid Cap F (SIMT)0.39%183K$697,731—September 30, 2026
14DFA US Small Cap I0.38%176K$673,084—August 31, 2026
15Dimensional US Small Cap Value ETF0.36%168K$640,927—September 24, 2026
16Meridian Contrarian Legacy0.32%150K$573,000+150,000 (0.0%)June 30, 2026
17Adirondack Small Cap0.27%126K$481,580+126,068 (0.0%)June 30, 2026
18iShares Micro-Cap ETF0.25%117K$445,462−804 (−0.7%)September 30, 2026
19Schwab Small Cap Index0.20%91K$347,994—August 31, 2026
20DFA US Micro Cap I0.18%85K$323,317+3,740 (+4.6%)August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

JRVR insider transactions

latest 3
James River Group Holdings, Ltd. insider transactions
DateNameTransactionPriceSharesValue
2025-06-02Todd Randell SutherlandBuy$5.8717,000$99,790
2025-05-20Peter B MiglioratoBuy$5.4618,500$101,010
2025-05-19Christine LasalaBuy$5.2329,125$152,324

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

JRVR shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns JRVR

Institutional investors own 84.0% of James River's shares and insiders 7.89%. The largest holder is Zimmer Partners LP with 10.00% of the shares (4.6M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 3 reduced their stake in the latest filings. Short interest is 7.46% of the float, or 5.12 days of average trading volume. The share count rose 108.1% since 2014.

Related: JRVR analyst forecast, JRVR key metrics, JRVR dividend history. See the JRVR stock overview for the latest quote and news.

JRVR ownership FAQ

Who owns the most James River stock?

The largest shareholders of James River are Zimmer Partners LP (10.00%), T. Rowe Price Investment Management,Inc. (9.96%), BlackRock Inc (7.34%), Donald Smith & Co Inc (5.28%), Vanguard Capital Management, LLC (3.73%).

What percentage of James River is owned by institutions?

Institutions hold 84.0% of James River's shares outstanding; insiders hold 7.89%.

Which funds own James River?

The largest fund holders of James River are T. Rowe Price Small-Cap Value (5.64%), iShares Russell 2000 ETF (2.51%), Vanguard MStar Total Stk Mkt Idx Invest (2.50%), Boston Partners Small Cap Value II Inv (1.23%), iShares Russell 2000 Value ETF (0.94%).

What is James River's short interest?

1.6M shares of James River were sold short, 7.46% of the float; at the average daily volume it would take 5.12 days to cover.

Are insiders buying or selling James River?

Of the latest 3 reported insider transactions in James River (since May 19, 2025), 3 were purchases and 0 were sales.

How many shares of James River are outstanding?

James River has 46.2M shares outstanding, of which 40.6M are in the public float.

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