There is a long list of 148 institutional holders of JRVR within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of JRVR by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-JRVR table below, the initial column indicates the name of each top institutional holder of JRVR, with a link to that fund's top holdings. The next columns indicate the amount of JRVR stock held by each of the institutional holders of JRVR, followed by the JRVR position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
T. Rowe Price Investment Management Inc.	3,040,984	$28,099	12/31/2023
JRVR	3,040,984	$28,099	12/31/2023
Fuller & Thaler Asset Management Inc.	2,870,871	$26,527	12/31/2023
JRVR	2,870,871	$26,527	12/31/2023
BlackRock Inc.	2,435,935	$22,508	12/31/2023
JRVR	2,435,935	$22,508	12/31/2023
Morgan Stanley	2,248,369	$20,775	12/31/2023
JRVR	2,248,369	$20,775	12/31/2023
Vanguard Group Inc.	2,099,464	$19,399	12/31/2023
JRVR	2,099,464	$19,399	12/31/2023
Champlain Investment Partners LLC	1,422,260	$13,142	12/31/2023
JRVR	1,422,260	$13,142	12/31/2023
Millennium Management LLC		$12,989	12/31/2023
JRVR	1,305,686	$12,065	12/31/2023
Call	100,000	$924	12/31/2023
Polar Capital Holdings Plc	1,262,500	$11,666	12/31/2023
JRVR	1,262,500	$11,666	12/31/2023
Jennison Associates LLC	1,154,702	$10,669	12/31/2023
JRVR	1,154,702	$10,669	12/31/2023
Dimensional Fund Advisors LP	1,016,177	$9,390	12/31/2023
JRVR	1,016,177	$9,390	12/31/2023
D. E. Shaw & Co. Inc.	953,348	$8,809	12/31/2023
JRVR	953,348	$8,809	12/31/2023
Wellington Management Group LLP	874,465	$8,080	12/31/2023
JRVR	874,465	$8,080	12/31/2023
Citadel Advisors LLC		$8,011	12/31/2023
JRVR	849,530	$7,850	12/31/2023
Call	20,400	$188	12/31/2023
Put	2,900	$27	12/31/2023
State Street Corp	852,769	$7,880	12/31/2023
JRVR	852,769	$7,880	12/31/2023
Geode Capital Management LLC	842,913	$7,789	12/31/2023
JRVR	842,913	$7,789	12/31/2023
Goldman Sachs Group Inc.	740,988	$6,847	12/31/2023
JRVR	740,988	$6,847	12/31/2023
Nuveen Asset Management LLC	712,932	$6,587	12/31/2023
JRVR	712,932	$6,587	12/31/2023
Charles Schwab Investment Management Inc.	576,293	$5,325	12/31/2023
JRVR	576,293	$5,325	12/31/2023
Two Sigma Investments LP	541,674	$5,005	12/31/2023
JRVR	541,674	$5,005	12/31/2023
Two Sigma Advisers LP	513,200	$4,742	12/31/2023
JRVR	513,200	$4,742	12/31/2023
Marshall Wace LLP	449,627	$4,155	12/31/2023
JRVR	449,627	$4,155	12/31/2023
Discovery Capital Management LLC CT	428,524	$3,960	12/31/2023
JRVR	428,524	$3,960	12/31/2023
Royce & Associates LP	400,210	$3,698	12/31/2023
JRVR	400,210	$3,698	12/31/2023
Qube Research & Technologies Ltd	393,029	$3,632	12/31/2023
JRVR	393,029	$3,632	12/31/2023
Northern Trust Corp	381,219	$3,522	12/31/2023
JRVR	381,219	$3,522	12/31/2023
AQR Capital Management LLC	358,301	$3,311	12/31/2023
JRVR	358,301	$3,311	12/31/2023
State of Wisconsin Investment Board	355,354	$3,283	12/31/2023
JRVR	355,354	$3,283	12/31/2023
RBF Capital LLC	353,725	$3,268	12/31/2023
JRVR	353,725	$3,268	12/31/2023
Bank of America Corp DE	305,549	$2,823	12/31/2023
JRVR	305,549	$2,823	12/31/2023
Cubist Systematic Strategies LLC	301,778	$2,788	12/31/2023
JRVR	301,778	$2,788	12/31/2023
Susquehanna International Group LLP	264,409	$2,443	12/31/2023
JRVR	264,409	$2,443	12/31/2023
Jane Street Group LLC	233,740	$2,160	12/31/2023
JRVR	233,740	$2,160	12/31/2023
Irenic Capital Management LP	224,871	$2,078	12/31/2023
JRVR	224,871	$2,078	12/31/2023
JPMorgan Chase & Co.	220,789	$2,040	12/31/2023
JRVR	220,789	$2,040	12/31/2023
Bridgeway Capital Management Inc.	216,938	$2,005	12/31/2023
JRVR	216,938	$2,005	12/31/2023
Jacobs Levy Equity Management Inc.	210,711	$1,947	12/31/2023
JRVR	210,711	$1,947	12/31/2023
HRT Financial LP	196,139	$1,812	12/31/2023
JRVR	196,139	$1,812	12/31/2023
Invesco Ltd.	195,521	$1,807	12/31/2023
JRVR	195,521	$1,807	12/31/2023
Engineers Gate Manager LP	195,289	$1,804	12/31/2023
JRVR	195,289	$1,804	12/31/2023
Keeley Teton Advisors LLC	163,419	$1,510	12/31/2023
JRVR	163,419	$1,510	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	139,815	$1,292	12/31/2023
JRVR	139,815	$1,292	12/31/2023
Renaissance Technologies LLC	129,400	$1,196	12/31/2023
JRVR	129,400	$1,196	12/31/2023
Bank of New York Mellon Corp	127,767	$1,188	03/31/2024
JRVR	127,767	$1,188	03/31/2024
GSA Capital Partners LLP	126,097	$1,165	12/31/2023
JRVR	126,097	$1,165	12/31/2023
UBS Group AG	116,242	$1,074	12/31/2023
JRVR	116,242	$1,074	12/31/2023
Jump Financial LLC	115,570	$1,068	12/31/2023
JRVR	115,570	$1,068	12/31/2023
Squarepoint Ops LLC	114,502	$1,058	12/31/2023
JRVR	114,502	$1,058	12/31/2023
Canada Pension Plan Investment Board	114,100	$1,054	12/31/2023
JRVR	114,100	$1,054	12/31/2023
Federated Hermes Inc.	113,041	$1,044	12/31/2023
JRVR	113,041	$1,044	12/31/2023
Algert Global LLC	110,066	$1,017	12/31/2023
JRVR	110,066	$1,017	12/31/2023