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Disclosery

JRVR JAMES RIV GROUP HOLDINGS INC

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COMMON STOCK (common), issuer CIK 1620459

111 managers (115 13F filers) reported a position in JRVR shares at 2026-03-31, 31,250,242 shares in all. 14 filers opened a position and 17 filers sold out during the quarter.

Managers
111
13F filers
115
New
14
Added
48
Reduced
28
Sold out
17
Shares held by filers
31,250,242

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Zimmer Partners, LP4,591,638$28.9M0.71%013F-HRTimeline
T. Rowe Price Investment Management, In…4,494,651$28.3M0.02%+54,43113F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.3,140,842$19.8M<0.01%+7,19713F-HRTimelineGroup
CONTINENTAL GENERAL INSURANCE COin group CONTINENTAL GENERAL INSURANCE…2,520,242$15.9M2.29%new13F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding2,307,572$14.5MnewTimeline
DONALD SMITH & CO., INC.in group DONALD SMITH & CO., INC.1,820,969$11.5M0.21%+149,74913F-HRTimelineGroup
RBF Capital, LLC1,128,525$7.11M0.35%+78,52513F-HR/ATimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,011,575$6.37M<0.01%-4,13013F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp847,025$5.34M0.01%+33,66813F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP845,243$5.32M<0.01%+73,23113F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP825,675$5.2M<0.01%+13,78513F-HRTimelineGroup
DISCOVERY CAPITAL MANAGEMENT, LLC / CT819,355$5.16M0.27%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY575,372$3.62M<0.01%-17,70913F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC501,534$3.16M0.07%+11,39213F-HRTimeline
Hillsdale Investment Management Inc.448,860$2.83M0.08%+140,40013F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/364,577$2.3M<0.01%-418,68113F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP364,199$2.29M<0.01%+97,69413F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co353,923$2.23M<0.01%-8,18813F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC349,741$2.2M0.01%+76,97513F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC344,023$2.17M<0.01%-38,53913F-HRTimelineGroup
Bronte Capital Management Pty Ltd.338,961$2.14M0.23%+215,38613F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP321,363$2.02M<0.01%+21,53213F-HRTimelineGroup
SEGALL BRYANT & HAMILL, LLC308,246$1.94M0.03%-52713F-HR/ATimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC275,187$1.73M<0.01%+52,35213F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.184,180$1.16M<0.01%-242,87713F-HRTimelineGroup
Topline Capital Management, LLC164,194$1.03M0.17%new13F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC160,458$1.01M<0.01%-64,60313F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp145,201$915K<0.01%+7,23113F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO117,895$739K<0.01%-20,16813F-HR/ATimelineGroup
Quinn Opportunity Partners LLC115,768$729K0.04%013F-HRTimeline
Quantinno Capital Management LP102,164$644K<0.01%+25,47313F-HRTimeline
Nuveen, LLCin group TIAA89,486$564K<0.01%+63113F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO83,400$525K<0.01%+35,94813F-HRTimelineGroup
Public Sector Pension Investment Board75,956$479K<0.01%013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC62,369$393K<0.01%-5,16213F-HR/ATimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC60,000$378K0.01%+27,20013F-HRTimeline
FNY Investment Advisers, LLC56,057$353K0.15%+11,29013F-HRTimeline
ALLIANCEBERNSTEIN L.P.54,950$349K<0.01%-5,20013F-HRTimeline
RHUMBLINE ADVISERS45,670$288K<0.01%-1,36613F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC43,400$273K<0.01%+17,50013F-HRTimeline
Bleakley Financial Group, LLC40,158$253K<0.01%new13F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…37,803$238K<0.01%+27913F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/36,690$231K<0.01%+6,60813F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding35,256$222K+15,374Timeline
IEQ CAPITAL, LLC32,363$204K<0.01%-8,63713F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…32,061$202K<0.01%+1,00013F-HRTimeline
Canal Insurance CO30,000$189K0.04%new13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC29,261$184K<0.01%+17,26113F-HRTimelineGroup
Engineers Gate Manager LP29,209$184K<0.01%new13F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources27,150$171K<0.01%new13F-HRTimelineGroup
Creative Planningin group Creative Planning27,121$171K<0.01%+16,88813F-HRTimelineGroup
Odyssean, LLC26,648$168K0.06%+4,45213F-HRTimeline
Sowell Financial Services LLC26,496$167K0.01%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\22,227$140K<0.01%-6,17513F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.22,023$139K<0.01%+9,54713F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…21,089$133K<0.01%+5,66513F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…20,468$129K<0.01%+6,48613F-HRTimelineGroup
CWM, LLCin group CWM, LLC18,177$115K<0.01%-39913F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…18,236$112K<0.01%+3,09413F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…17,547$111K<0.01%+40813F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…15,593$98.2K<0.01%new13F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC15,185$95.7K<0.01%-20313F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS15,094$95.1K<0.01%-53913F-HRTimelineGroup
FLAX POND CAPITAL, LLC14,200$89.5K0.07%-524,56713F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN13,949$87.9K<0.01%-29,40513F-HR/ATimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…13,164$82.9K<0.01%-6,58513F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC12,972$81.7K<0.01%new13F-HRTimelineGroup
FMR LLCin group FMR LLC11,251$70.9K<0.01%+1,82313F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV11,175$70.4K<0.01%new13F-HRTimeline
Cetera Investment Advisers10,802$68.1K<0.01%-1,80013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …10,352$65.2K<0.01%-1,85313F-HRTimelineGroup
M&T Bank Corpin group M&T Bank Corp10,221$64.4K<0.01%013F-HR/ATimelineGroup
Schonfeld Strategic Advisors LLC10,157$64K<0.01%-11,74413F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC10,065$63.4K<0.01%new13F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND8,912$56.1K<0.01%013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC8,861$55.8K<0.01%-52,08013F-HRTimelineGroup
Police & Firemen's Retirement System of…7,021$44.2K<0.01%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…6,954$44K<0.01%013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…3,680$23.2K<0.01%013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc3,473$21.9K<0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,328$21K<0.01%+1,56613F-HRTimelineGroup
American Capital Advisory, LLC2,600$16.4K0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…2,422$15.3K<0.01%+1,11213F-HR/ATimelineGroup
State of Wyoming2,277$14.3K<0.01%+1,81013F-HRTimeline
Versant Capital Management, Inc2,239$14.1K<0.01%+67113F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…1,995$12.6K<0.01%-27613F-HRTimeline
GAMMA Investing LLC1,902$12K<0.01%+25013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC1,713$10.8K<0.01%+87813F-HRTimelineGroup
Farther Finance Advisors, LLC1,384$8.4K<0.01%+713F-HRTimeline
Sterling Capital Management LLC1,220$7.69K<0.01%-90513F-HRTimeline
Arax Advisory Partners1,048$6.29K<0.01%+14113F-HRTimeline
Parallel Advisors, LLC975$6.14K<0.01%013F-HR/ATimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…884$5.57K<0.01%+8213F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.757$5K<0.01%+39813F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…537$3.38K<0.01%+33713F-HRTimelineGroup
Optiver Holding B.V.in group Optiver Holding B.V.380$2.39K<0.01%-27213F-HR/ATimelineGroup
True Wealth Design, LLC306$1.93K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC95$599<0.01%013F-HRTimeline
Allworth Financial LP95$599<0.01%new13F-HRTimeline
Cornerstone Planning Group LLC123$577<0.01%013F-HRTimeline
Physician Wealth Advisors, Inc.90$567<0.01%013F-HRTimeline
SBI Securities Co., Ltd.66$416<0.01%+6113F-HRTimeline
IFP Advisors, Inc65$410<0.01%013F-HRTimeline
Essential Partners LLC48$302<0.01%013F-HRTimeline
Basecamp Wealth Advisors LLC45$284<0.01%new13F-HRTimeline
Root Financial Partners, LLC30$189<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC26$164<0.01%+513F-HRTimeline
MAI Capital Management24$152<0.01%+113F-HRTimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…19$115<0.01%013F-HRTimeline
Sunbelt Securities, Inc.12$76<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA27$00%-2,41513F-HRTimelineGroupValue filed as zero, left out of ratios.