James River Group Holdings, Inc. - JRVR

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Gallatin Point Capital LLC History No change 5,859,375 36,914 15.51% 12.71% 1 0 0.0% Q1 2026 May 12, 2026
Zimmer Partners, LP History No change 4,591,638 28,927 0.7% 0.77% 2 0 0.0% Q1 2026 May 15, 2026
T. Rowe Price Investment Management, Inc. History Added to 4,494,651 28,317 0.02% 0.01% 3 +2,889,230 179.97% Q1 2026 May 15, 2026
BlackRock, Inc. History Added to 3,140,842 19,787 0.0% 0.0% 4 +7,197 0.23% Q1 2026 May 13, 2026
Enstar Group LTD History No change 2,590,765 16,321 7.51% 6.37% 5 0 0.0% Q1 2026 May 15, 2026
CONTINENTAL GENERAL INSURANCE CO History New 2,520,242 15,877 2.29% 6 +2,520,242 New Q1 2026 May 14, 2026
VANGUARD GROUP INC History No change 2,264,383 14,401 0.0% 0.0% 7 0 0.0% Q4 2025 Jan 29, 2026
DONALD SMITH & CO., INC. History Added to 1,820,969 11,472 0.21% 0.2% 8 +149,749 8.96% Q1 2026 May 14, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 1,726,019 10,873 0.0% 9 +1,726,019 New Q1 2026 May 15, 2026
RBF Capital, LLC History Added to 1,128,525 7,109 0.35% 0.3% 10 +78,525 7.48% Q1 2026 May 18, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 1,011,575 6,374 0.0% 0.0% 11 -4,130 -0.41% Q1 2026 May 15, 2026
Boston Partners History Added to 847,025 5,336 0.01% 0.01% 12 +33,668 4.14% Q1 2026 May 11, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 845,243 5,324 0.0% 0.0% 13 +73,231 9.49% Q1 2026 May 07, 2026
STATE STREET CORP History Added to 825,675 5,201 0.0% 0.0% 14 +13,785 1.7% Q1 2026 May 15, 2026
DISCOVERY CAPITAL MANAGEMENT, LLC / CT History No change 819,355 5,161 0.27% 0.28% 15 0 0.0% Q1 2026 May 15, 2026
MORGAN STANLEY History Reduced 575,372 3,624 0.0% 0.0% 16 -17,709 -2.99% Q1 2026 May 15, 2026
KENNEDY CAPITAL MANAGEMENT LLC History Added to 501,534 3,159 0.07% 0.07% 17 +11,392 2.32% Q1 2026 May 13, 2026
Hillsdale Investment Management Inc. History Added to 448,860 2,827 0.08% 0.05% 18 +140,400 45.52% Q1 2026 May 04, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Reduced 364,577 2,297 0.0% 0.0% 19 -418,681 -53.45% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Added to 364,199 2,294 0.0% 0.0% 20 +97,694 36.66% Q1 2026 May 15, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 353,923 2,229 0.0% 0.0% 21 -8,188 -2.26% Q1 2026 May 15, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC History Added to 349,741 2,203 0.01% 0.01% 22 +76,975 28.22% Q1 2026 May 15, 2026
AQR CAPITAL MANAGEMENT LLC History Reduced 344,023 2,167 0.0% 0.0% 23 -38,539 -10.07% Q1 2026 May 15, 2026
Bronte Capital Management Pty Ltd. History Added to 338,961 2,135 0.21% 0.08% 24 +215,386 174.3% Q1 2026 Apr 27, 2026
TWO SIGMA ADVISERS, LP History No change 319,900 2,034 0.0% 0.0% 25 0 0.0% Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History Added to 321,363 2,024 0.0% 0.0% 26 +21,532 7.18% Q1 2026 May 14, 2026
SEGALL BRYANT & HAMILL, LLC History Reduced 308,246 1,941 0.03% 0.03% 27 -527 -0.17% Q1 2026 May 22, 2026
VANGUARD FIDUCIARY TRUST CO History New 284,379 1,791 0.0% 28 +284,379 New Q1 2026 May 08, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 277,798 1,750 0.0% 29 +277,798 New Q1 2026 May 08, 2026
GOLDMAN SACHS GROUP INC History Added to 275,187 1,733 0.0% 0.0% 30 +52,352 23.49% Q1 2026 May 15, 2026
D. E. Shaw & Co., Inc. History Reduced 184,180 1,160 0.0% 0.0% 31 -242,877 -56.87% Q1 2026 May 15, 2026
Topline Capital Management, LLC History New 164,194 1,034 0.17% 32 +164,194 New Q1 2026 May 15, 2026
AMERICAN CENTURY COMPANIES INC History Reduced 160,458 1,010 0.0% 0.0% 33 -64,603 -28.7% Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Added to 145,201 914 0.0% 0.0% 34 +7,231 5.24% Q1 2026 May 05, 2026
JPMORGAN CHASE & CO History Reduced 117,895 739 0.0% 0.0% 35 -20,168 -14.61% Q1 2026 May 13, 2026
Quinn Opportunity Partners LLC History No change 115,768 729 0.04% 0.03% 36 0 0.0% Q1 2026 May 15, 2026
Quantinno Capital Management LP History Added to 102,164 643 0.0% 0.0% 37 +25,473 33.22% Q1 2026 May 15, 2026
Nuveen, LLC History Added to 89,486 563 0.0% 0.0% 38 +631 0.71% Q1 2026 Apr 30, 2026
SEI INVESTMENTS CO History Added to 83,400 525 0.0% 0.0% 39 +35,948 75.76% Q1 2026 May 13, 2026
PUBLIC SECTOR PENSION INVESTMENT BOARD History No change 75,956 478 0.0% 0.0% 40 0 0.0% Q1 2026 May 13, 2026
AMERIPRISE FINANCIAL INC History Reduced 62,369 392 0.0% 0.0% 41 -5,162 -7.64% Q1 2026 May 15, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 60,000 378 0.01% 0.0% 42 +27,200 82.93% Q1 2026 May 15, 2026
FNY Investment Advisers, LLC History Added to 56,057 353 0.15% 0.08% 43 +11,290 25.22% Q1 2026 Apr 15, 2026
ALLIANCEBERNSTEIN L.P. History Reduced 54,950 349 0.0% 0.0% 44 -5,200 -8.65% Q1 2026 May 15, 2026
RHUMBLINE ADVISERS History Reduced 45,670 287 0.0% 0.0% 45 -1,366 -2.9% Q1 2026 May 12, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 43,400 273 0.0% 0.0% 46 +17,500 67.57% Q1 2026 May 14, 2026
Bleakley Financial Group, LLC History New 40,158 252 0.0% 47 +40,158 New Q1 2026 May 04, 2026
Russell Investments Group, Ltd. History Added to 37,803 238 0.0% 0.0% 48 +279 0.74% Q1 2026 May 08, 2026
BANK OF AMERICA CORP /DE/ History Added to 36,690 231 0.0% 0.0% 49 +6,608 21.97% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Added to 35,900 226 0.0% 0.0% 50 +679 1.93% Q1 2026 May 12, 2026
UBS Group AG History Added to 34,975 220 0.0% 0.0% 51 +15,093 75.91% Q1 2026 May 05, 2026
IEQ CAPITAL, LLC History Reduced 32,363 203 0.0% 0.0% 52 -8,637 -21.07% Q1 2026 May 14, 2026
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History Added to 32,061 201 0.0% 0.0% 53 +1,000 3.22% Q1 2026 May 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 30,164 190 0.0% 0.0% 54 +10,415 52.74% Q1 2026 May 15, 2026
Canal Insurance CO History New 30,000 189 0.04% 55 +30,000 New Q1 2026 May 04, 2026
Engineers Gate Manager LP History New 29,209 184 0.0% 57 +29,209 New Q1 2026 May 15, 2026
Jump Financial, LLC History Added to 29,261 184 0.0% 0.0% 56 +17,261 143.84% Q1 2026 May 14, 2026
FRANKLIN RESOURCES INC History New 27,150 171 0.0% 58 +27,150 New Q1 2026 May 13, 2026
Creative Planning History Added to 27,121 170 0.0% 0.0% 59 +16,888 165.03% Q1 2026 May 12, 2026
Odyssean, LLC History Added to 26,648 167 0.06% 0.1% 60 +4,452 20.06% Q1 2026 May 15, 2026
Brandywine Global Investment Management, LLC History No change 26,170 166 0.0% 0.0% 61 0 0.0% Q4 2025 Feb 11, 2026
Sowell Financial Services LLC History No change 26,496 166 0.01% 0.01% 62 0 0.0% Q1 2026 Apr 20, 2026
DEUTSCHE BANK AG\ History Reduced 22,227 140 0.0% 0.0% 63 -6,175 -21.74% Q1 2026 May 06, 2026
Invesco Ltd. History Added to 22,023 138 0.0% 0.0% 64 +9,547 76.52% Q1 2026 May 12, 2026
Rockefeller Capital Management L.P. History Added to 21,089 132 0.0% 0.0% 65 +5,665 36.73% Q1 2026 May 14, 2026
MetLife Investment Management, LLC History Added to 20,468 128 0.0% 0.0% 66 +6,486 46.39% Q1 2026 May 14, 2026
Vanguard Global Advisers, LLC History New 19,376 122 0.0% 67 +19,376 New Q1 2026 May 08, 2026
CWM, LLC History Reduced 18,177 114 0.0% 0.0% 68 -399 -2.15% Q1 2026 May 14, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Added to 18,236 111 0.0% 0.0% 69 +3,094 20.43% Q1 2026 Apr 08, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 17,547 110 0.0% 0.0% 70 +408 2.38% Q1 2026 May 15, 2026
Connor, Clark & Lunn Investment Management Ltd. History New 15,593 98 0.0% 71 +15,593 New Q1 2026 May 11, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 15,094 95 0.0% 0.0% 72 -539 -3.45% Q1 2026 May 12, 2026
Cerity Partners LLC History Reduced 15,185 95 0.0% 0.0% 73 -203 -1.32% Q1 2026 May 15, 2026
FLAX POND CAPITAL, LLC History Reduced 14,200 89 0.07% 2.55% 74 -524,567 -97.36% Q1 2026 May 19, 2026
WELLS FARGO & COMPANY/MN History Reduced 13,949 87 0.0% 0.0% 75 -29,405 -67.83% Q1 2026 May 11, 2026
Squarepoint Ops LLC History New 12,972 81 0.0% 76 +12,972 New Q1 2026 May 15, 2026
MERCER GLOBAL ADVISORS INC /ADV History New 11,175 70 0.0% 78 +11,175 New Q1 2026 May 15, 2026
FMR LLC History Added to 11,251 70 0.0% 0.0% 77 +1,823 19.34% Q1 2026 May 15, 2026
CITADEL ADVISORS LLC History Reduced 11,000 69 0.0% 0.0% 79 -10,667 -49.23% Q1 2026 May 15, 2026
Cetera Investment Advisers History Reduced 10,802 68 0.0% 0.0% 80 -1,800 -14.28% Q1 2026 May 13, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Reduced 10,352 65 0.0% 0.0% 81 -1,853 -15.18% Q1 2026 May 15, 2026
M&T BANK CORP History No change 10,221 64 0.0% 0.0% 82 0 0.0% Q1 2026 May 12, 2026
Schonfeld Strategic Advisors LLC History Reduced 10,157 63 0.0% 0.0% 83 -11,744 -53.62% Q1 2026 May 15, 2026
PRUDENTIAL FINANCIAL INC History New 10,065 63 0.0% 84 +10,065 New Q1 2026 May 13, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 8,912 56 0.0% 0.0% 85 0 0.0% Q1 2026 May 06, 2026
BARCLAYS PLC History Reduced 8,861 55 0.0% 0.0% 86 -52,080 -85.46% Q1 2026 May 14, 2026
SIMPLEX TRADING, LLC History Added to 7,800 49 0.0% 0.0% 87 +7,401 1854.89% Q1 2026 May 14, 2026
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO History No change 6,954 44 0.0% 0.0% 88 0 0.0% Q1 2026 May 14, 2026
Police & Firemen's Retirement System of New Jersey History No change 7,021 44 0.0% 0.0% 89 0 0.0% Q1 2026 Apr 29, 2026
Ameritas Investment Partners, Inc. History No change 3,680 23 0.0% 0.0% 90 0 0.0% Q1 2026 May 13, 2026
Legal & General Group Plc History No change 3,473 21 0.0% 0.0% 91 0 0.0% Q1 2026 May 08, 2026
Tower Research Capital LLC (TRC) History Added to 3,328 20 0.0% 0.0% 92 +1,566 88.88% Q1 2026 May 15, 2026
GROUP ONE TRADING LLC History Reduced 2,900 18 0.0% 0.0% 93 -1,000 -25.64% Q1 2026 May 13, 2026
American Capital Advisory, LLC History No change 2,600 16 0.01% 0.01% 94 0 0.0% Q1 2026 Apr 29, 2026
EverSource Wealth Advisors, LLC History Added to 2,422 15 0.0% 0.0% 95 +1,112 84.89% Q1 2026 May 15, 2026
State of Wyoming History Added to 2,277 14 0.0% 0.0% 97 +1,810 387.58% Q1 2026 May 13, 2026
Versant Capital Management, Inc History Added to 2,239 14 0.0% 0.0% 96 +671 42.79% Q1 2026 Apr 06, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 1,995 12 0.0% 0.0% 98 -276 -12.15% Q1 2026 May 15, 2026
GAMMA Investing LLC History Added to 1,902 11 0.0% 0.0% 99 +250 15.13% Q1 2026 Apr 06, 2026
CITIGROUP INC History Added to 1,713 10 0.0% 0.0% 100 +878 105.15% Q1 2026 May 11, 2026
Farther Finance Advisors, LLC History Added to 1,384 8 0.0% 0.0% 101 +7 0.51% Q1 2026 Apr 07, 2026
Sterling Capital Management LLC History Reduced 1,220 7 0.0% 0.0% 102 -905 -42.59% Q1 2026 Apr 22, 2026
Arax Advisory Partners History Added to 1,048 6 0.0% 0.0% 103 +141 15.55% Q1 2026 May 13, 2026
Parallel Advisors, LLC History No change 975 6 0.0% 0.0% 104 0 0.0% Q1 2026 May 07, 2026
HARBOR CAPITAL ADVISORS, INC. History Added to 757 5 0.0% 0.0% 106 +398 110.86% Q1 2026 Apr 28, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 884 5 0.0% 0.0% 105 +82 10.22% Q1 2026 May 08, 2026
FIFTH THIRD BANCORP History Added to 537 3 0.0% 0.0% 107 +337 168.5% Q1 2026 May 01, 2026
Optiver Holding B.V. History Reduced 380 2 0.0% 0.0% 109 -272 -41.72% Q1 2026 May 15, 2026
COMERICA BANK History No change 337 2 0.0% 0.0% 108 0 0.0% Q4 2025 Jan 29, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 281 1 0.0% 111 +281 New Q1 2026 May 13, 2026
True Wealth Design, LLC History No change 306 1 0.0% 0.0% 110 0 0.0% Q1 2026 Apr 13, 2026
GSA CAPITAL PARTNERS LLP History Closed out 0 0 0.05% -89,050 -100.0% Q1 2026 May 08, 2026
MARSHALL WACE, LLP History Closed out 0 0 0.0% -69,787 -100.0% Q1 2026 May 14, 2026
THOMPSON SIEGEL & WALMSLEY LLC History Closed out 0 0 0.0% -45,540 -100.0% Q1 2026 May 11, 2026
OCCUDO QUANTITATIVE STRATEGIES LP History Closed out 0 0 0.01% -29,667 -100.0% Q1 2026 May 15, 2026
INTECH INVESTMENT MANAGEMENT LLC History Closed out 0 0 0.0% -16,047 -100.0% Q1 2026 May 08, 2026
R Squared Ltd History Closed out 0 0 0.05% -15,713 -100.0% Q1 2026 Apr 29, 2026
O'SHAUGHNESSY ASSET MANAGEMENT, LLC History Closed out 0 0 0.0% -15,454 -100.0% Q1 2026 May 13, 2026
HRT FINANCIAL LP History Closed out 0 0 0.0% -11,654 -100.0% Q1 2026 May 14, 2026
PFG Investments, LLC History Closed out 0 0 0.0% -11,175 -100.0% Q1 2026 Apr 27, 2026
Quadrature Capital Ltd History Closed out 0 0 0.0% -10,688 -100.0% Q1 2026 May 15, 2026
Clearstead Advisors, LLC History Closed out 0 0 0.0% -7,732 -100.0% Q1 2026 May 06, 2026
ROYAL BANK OF CANADA History Reduced 27 0 0.0% -2,415 -98.89% Q1 2026 May 15, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -1,158 -100.0% Q1 2026 May 08, 2026
Allworth Financial LP History New 95 0 +95 New Q1 2026 May 14, 2026
IFP Advisors, Inc History Reduced 65 0 -65 -50.0% Q1 2026 Apr 13, 2026
SBI Securities Co., Ltd. History Added to 66 0 +61 1220.0% Q1 2026 Apr 27, 2026
Root Financial Partners, LLC History New 30 0 +30 New Q1 2026 Apr 24, 2026
ROTHSCHILD INVESTMENT LLC History Added to 26 0 +5 23.81% Q1 2026 May 07, 2026
MAI Capital Management History Added to 24 0 +1 4.35% Q1 2026 May 15, 2026
HUNTINGTON NATIONAL BANK History No change 1 0 0 0.0% Q1 2026 May 15, 2026
NISA INVESTMENT ADVISORS, LLC History No change 95 0 0 0.0% Q1 2026 Apr 30, 2026
Sunbelt Securities, Inc. History No change 12 0 0 0.0% Q1 2026 May 15, 2026
Physician Wealth Advisors, Inc. History No change 90 0 0 0.0% Q1 2026 Apr 24, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History No change 19 0 0 0.0% Q1 2026 May 01, 2026
Cornerstone Planning Group LLC History No change 123 0 0 0.0% Q1 2026 May 06, 2026
Essential Partners LLC History No change 48 0 0 0.0% Q1 2026 May 21, 2026