James River Group Holdings, Inc. - Common Shares, par value $0.0002 per share (JRVR) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2014 to Q4 2025

Type / Class
Equity / Common Shares, par value $0.0002 per share
Symbol
JRVR on Nasdaq
Shares outstanding
45,916,380
Price per share
$5.51
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
27,915,316
Total reported value
$154,930,402
% of total 13F portfolios
0%
Share change
-7,269,666
Value change
-$42,983,292
Number of holders
104
Price from insider filings
$5.51
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of James River Group Holdings, Inc. - Common Shares, par value $0.0002 per share (JRVR) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Zimmer Partners, LP 10% +50% $25,483,591 +$8,912,345 4,591,638 +54% Zimmer Partners, LP 30 Sep 2025
T. Rowe Price Investment Management, Inc. 9.8% +20% $26,370,568 +$4,453,840 4,500,097 +20% T. Rowe Price Investment Management, Inc. 30 Jun 2025
VANGUARD GROUP INC 6.4% $12,796,507 2,921,577 The Vanguard Group 31 Mar 2025
BlackRock, Inc. 6.3% $12,543,930 2,863,911 BlackRock, Inc. 31 Mar 2025
Enstar Group LTD 5.7% $11,347,551 2,590,765 Enstar Group Limited 18 Dec 2024
FULLER & THALER ASSET MANAGEMENT, INC. 4.5% $9,010,973 2,057,300 Fuller & Thaler Asset Management, Inc. 31 Mar 2025

As of 30 Sep 2025, 104 institutional investors reported holding 27,915,316 shares of James River Group Holdings, Inc. - Common Shares, par value $0.0002 per share (JRVR). This represents 61% of the company’s total 45,916,380 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of James River Group Holdings, Inc. - Common Shares, par value $0.0002 per share (JRVR) together control 57% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Gallatin Point Capital LLC 13% 5,859,375 0% 12% $32,519,531
Zimmer Partners, LP 10% 4,591,638 +54% 0.62% $25,483,591
BlackRock, Inc. 6.4% 2,936,721 -1.5% 0% $16,298,802
VANGUARD GROUP INC 6.3% 2,876,481 -4.6% 0% $15,964,469
GEODE CAPITAL MANAGEMENT, LLC 2.3% 1,036,646 +3.4% 0% $5,754,558
RBF Capital, LLC 2.2% 1,000,000 0% 0.26% $5,550,000
DISCOVERY CAPITAL MANAGEMENT, LLC / CT 1.8% 819,355 0% 0.25% $4,547,420
STATE STREET CORP 1.7% 802,415 +2.3% 0% $4,453,403
Boston Partners 1.6% 739,621 +7.9% 0% $4,104,900
DIMENSIONAL FUND ADVISORS LP 1.6% 719,379 +3.3% 0% $3,993,102
D. E. Shaw & Co., Inc. 1.2% 551,776 -19% 0% $3,062,357
AQR CAPITAL MANAGEMENT LLC 1% 468,811 -21% 0% $2,601,902
CANTOR FITZGERALD, L. P. 0.95% 434,657 +38% 0.05% $2,412,346
MORGAN STANLEY 0.91% 419,414 -5.1% 0% $2,327,750
TWO SIGMA ADVISERS, LP 0.83% 383,000 +0.39% 0% $2,125,650
JACOBS LEVY EQUITY MANAGEMENT, INC 0.82% 375,637 -0.24% 0.01% $2,084,785
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.74% 339,666 -1.8% 0% $1,885,146
DONALD SMITH & CO., INC. 0.68% 312,435 0.03% $1,734,014
AMERICAN CENTURY COMPANIES INC 0.66% 303,229 -11% 0% $1,682,921
NORTHERN TRUST CORP 0.63% 290,659 +0.09% 0% $1,613,157
TWO SIGMA INVESTMENTS, LP 0.6% 275,753 +30% 0% $1,530,429
GOLDMAN SACHS GROUP INC 0.5% 229,028 -28% 0% $1,271,106
Invesco Ltd. 0.5% 228,932 -23% 0% $1,270,572
JPMORGAN CHASE & CO 0.34% 156,324 +81% 0% $867,598
MARSHALL WACE, LLP 0.28% 129,453 -12% 0% $718,463

Institutional Holders of James River Group Holdings, Inc. - Common Shares, par value $0.0002 per share (JRVR) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 0 $0 -$82,604 $5.51 0
2025 Q3 27,915,316 $154,930,402 -$42,983,292 $5.55 104
2025 Q2 35,183,793 $206,174,229 +$7,472,594 $5.86 112
2025 Q1 33,974,298 $142,692,530 -$442,528 $4.20 115
2024 Q4 34,037,722 $165,767,441 -$15,192,834 $4.87 116
2024 Q3 30,742,482 $192,774,964 -$5,893,120 $6.27 125
2024 Q2 31,472,399 $243,294,152 -$16,471,945 $7.73 129
2024 Q1 32,942,910 $306,360,464 -$27,811,464 $9.30 149
2023 Q4 35,959,659 $332,270,476 -$20,465,669 $9.24 147
2023 Q3 35,602,049 $546,489,238 -$610,264 $15.35 159
2023 Q2 35,635,666 $650,809,307 -$12,549,386 $18.26 151
2023 Q1 36,186,746 $747,243,863 -$11,192,577 $20.65 143
2022 Q4 37,267,092 $779,277,456 -$407,552 $20.91 137
2022 Q3 37,224,059 $849,122,656 -$89,545,452 $22.81 130
2022 Q2 37,686,362 $933,636,808 +$12,916,763 $24.78 137
2022 Q1 37,305,760 $920,475,325 +$1,959,807 $24.74 143
2021 Q4 37,045,473 $1,068,801,891 -$32,811,895 $28.81 157
2021 Q3 37,076,000 $1,398,834,726 +$1,909,427 $37.73 161
2021 Q2 37,020,807 $1,389,111,988 +$283,781,049 $37.52 158
2021 Q1 29,081,584 $1,326,741,029 -$10,911,643 $45.62 157
2020 Q4 29,248,649 $1,437,491,728 -$19,468,594 $49.15 162
2020 Q3 29,688,050 $1,322,316,984 -$16,080,627 $44.53 150
2020 Q2 30,180,713 $1,358,756,322 +$47,675,858 $45.00 151
2020 Q1 29,195,541 $1,056,385,425 -$18,582,162 $36.24 151
2019 Q4 29,634,464 $1,221,526,750 -$2,161,555 $41.21 166
2019 Q3 29,370,805 $1,504,948,498 +$21,004,169 $51.24 164
2019 Q2 29,369,317 $1,377,404,727 +$24,730,608 $46.90 169
2019 Q1 29,431,601 $1,179,551,037 -$928,376 $40.08 169
2018 Q4 29,458,516 $1,076,621,082 -$17,750,992 $36.54 163
2018 Q3 29,850,618 $1,271,708,248 -$13,778,374 $42.62 158
2018 Q2 30,206,706 $1,186,861,376 +$41,910,569 $39.29 154
2018 Q1 29,505,140 $1,046,581,089 +$25,383,595 $35.47 156
2017 Q4 28,684,615 $1,147,362,807 +$6,615,091 $40.01 146
2017 Q3 28,475,101 $1,181,356,241 +$47,846,378 $41.48 138
2017 Q2 27,359,886 $1,087,078,810 -$5,032,464 $39.73 147
2017 Q1 27,470,438 $1,177,072,857 +$47,539,189 $42.86 140
2016 Q4 27,449,555 $1,140,511,252 -$7,549,818 $41.55 143
2016 Q3 27,632,284 $1,000,279,964 -$4,224,355 $36.20 111
2016 Q2 27,778,495 $943,356,817 +$2,572,825 $33.96 97
2016 Q1 27,716,703 $894,143,000 +$5,888,850 $32.26 91
2015 Q4 27,527,647 $923,291,925 +$14,221,859 $33.54 92
2015 Q3 27,407,932 $736,991,942 +$24,235,646 $26.89 77
2015 Q2 26,527,091 $686,247,429 +$1,158,882 $25.87 70
2015 Q1 26,529,211 $624,238,883 +$7,665,752 $23.53 57
2014 Q4 26,260,182 $597,683,000 +$595,727,000 $22.76 41