SEC ownership of James River Group Holdings, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001620459.

Comparable stake leader

Zimmer Partners, LP

Disclosed value leader

Gallatin Point Capital LLC

Comparable rows

50/50

Latest evidence

12 Aug 2026

Top shareholders Insider holders Latest transactions
Public ticker
JRVR on Nasdaq
Parsed ownership sources
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
Zimmer Partners, LP
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Zimmer Partners, LP
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
12 Aug 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001620459
Issuer location
Chapel Hill, NC

Ownership snapshot

Top shareholders of James River Group Holdings, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Zimmer Partners, LP
Disclosed value leader
Gallatin Point Capital LLC
Comparable rows
50/50
Latest evidence
12 Aug 2026
13D/G 13F 3/4/5 Lead comparable stake: 10% 13D/G row: Zimmer Partners, LP Showing 1-8 of 50 holder rows.

Quick read

Zimmer Partners, LP leads the comparable SEC ownership view at 10%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Zimmer Partners, LP's linked filing trail.
Comparable ownership Top 5
Zimmer Partners, LP 10%
T. Rowe Price Investment Manageme... 9.8%
BlackRock, Inc. 6.3%
Enstar Group LTD 5.6%
CONTINENTAL GENERAL INSURANCE CO 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Zimmer Partners, LP
13D/G 13F
Company
13D/G 13F
10%
$29,129,216
4,623,685 shares
 +$201,896 14 May 2026
T. Rowe Price Investment Management, Inc.
13D/G 13F
Company
13D/G 13F
9.8%
$26,370,568
4,500,097 shares
 +$4,453,840 30 Jun 2025
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
6.3%
from 13D/G
$14,937,345
3,394,851 shares
 — 30 Jun 2026
Enstar Group LTD
13F 13D/G
Company · Enstar Group Limited
13F 13D/G
5.6%
from 13D/G
$11,339,366
2,590,765 shares
 — 30 Jun 2026
CONTINENTAL GENERAL INSURANCE CO
13D/G 13F
Company
13D/G 13F
5.3%
$14,985,344
2,424,813 shares
 $0 17 Mar 2026
DONALD SMITH & CO., INC.
13F 13D/G
Company
13F 13D/G
5.3%
from 13D/G
$10,737,527
2,440,347 shares
 — 30 Jun 2026
FULLER & THALER ASSET MANAGEMENT, INC.
13D/G
13D/G
4.5%
$9,010,973
2,057,300 shares
 $0 31 Mar 2025
BARCLAYS PLC
13D/G 13F
Company
13D/G 13F
1.6%
$4,664,155
740,342 shares
 -$9,914,839 31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 12 Sep 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 28 reporting-owner rows connected to James River Group Holdings, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
28
Largest Forms 3/4/5 holder
Matthew Botein
Net 12M change
$0
Latest report
12 Aug 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Matthew Botein Director $37,500,000 Mixed 11 Nov 2024
Gallatin Point Capital LLC Director $37,500,000 Mixed 11 Nov 2024
J. Adam Abram Director $6,804,667 Mixed 03 Mar 2022
Frank D'Orazio Chief Executive Officer, Director $3,726,441 Mixed 05 Mar 2026
Richard Schmitzer Pres. & CEO - E&S Lines Sgmt $1,749,934 Mixed 05 Mar 2025
Sarah C. Doran Chief Financial Officer $1,481,113 Mixed 05 Mar 2026
Michael J. Hoffmann SVP Chief Underwriting Officer $823,828 Mixed 05 Mar 2026
Michael E. Crow Principal Accounting Officer $688,949 Mixed 04 Mar 2026
Terence M. McCafferty Pres & CEO- Sp Adm Ins Sgmt $673,220 Mixed 02 Mar 2023
Jeanette L. Miller SVP, Chief Legal Officer $573,862 Mixed 05 Mar 2026
Christine LaSala Director $561,770 Mixed 04 Mar 2026
James P. McCoy Senior Vice President $463,255 Mixed 05 Mar 2026
Todd R. Sutherland President, E&S Lines Segment $400,325 Median 06 Aug 2026
Jerry R. Masters Director $374,681 Mixed 02 Mar 2022
Peter B. Migliorato Director $365,620 Mixed 04 Mar 2026
David B. Gelinne SVP, Chief Actuary $356,012 Mixed 26 Oct 2023
William K. Bowman Pres & CEO- Sp Adm Ins Sgmt $308,410 Mixed 05 Mar 2025
Kirstin Gould Director $304,847 Mixed 04 Mar 2026
Ollie L. Sherman Jr. Director $304,019 Mixed 01 Mar 2024
Thomas L. Brown Director $303,824 Mixed 04 Mar 2026

Recent insider transactions for James River Group Holdings, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Rajiv Basu JRVR Common Stock Award 18,632 18,632 12 Aug 2026 Direct
Todd R. Sutherland JRVR Common Stock Tax liability -4.52% -4,310 90,983 06 Aug 2026 Direct
Todd R. Sutherland JRVR Common Stock Tax liability -0.97% -937 95,293 04 May 2026 Direct
James P. McCoy JRVR Common Stock Tax liability -6.24% -4,517 67,926 05 Mar 2026 Direct
Michael J. Hoffmann JRVR Common Stock Tax liability -6.89% -8,939 120,796 05 Mar 2026 Direct
Frank D'Orazio JRVR Common Stock Tax liability -2.52% -14,128 546,399 05 Mar 2026 Direct
Sarah C. Doran JRVR Common Stock Tax liability -4.03% -8,741 208,172 05 Mar 2026 Direct
Jeanette L. Miller JRVR Common Stock Tax liability -4.67% -4,126 84,144 05 Mar 2026 Direct
Todd R. Sutherland JRVR Common Stock Award 42.8% 28,818 96,230 04 Mar 2026 Direct
Jeanette L. Miller JRVR Common Stock Award 43.4% 26,714 88,270 04 Mar 2026 Direct
James P. McCoy JRVR Common Stock Award 35.3% 18,912 72,443 04 Mar 2026 Direct
Michael J. Hoffmann JRVR Common Stock Award 33.8% 32,799 129,735 04 Mar 2026 Direct
Sarah C. Doran JRVR Common Stock Award 24.3% 42,446 216,913 04 Mar 2026 Direct
Frank D'Orazio JRVR Common Stock Award 34.4% 143,461 560,527 04 Mar 2026 Direct
Michael E. Crow JRVR Common Stock Award 70.3% 41,686 101,019 04 Mar 2026 Direct
Peter B. Migliorato JRVR Common Stock Award 36.8% 14,409 53,610 04 Mar 2026 Direct
Christine LaSala JRVR Common Stock Award 35.6% 21,613 82,371 04 Mar 2026 Direct
Dennis J. Langwell JRVR Common Stock Award 68.6% 14,409 35,418 04 Mar 2026 Direct
Kirstin Gould JRVR Common Stock Award 47.6% 14,409 44,699 04 Mar 2026 Direct
Joel D. Cavaness JRVR Common Stock Award 263% 14,409 19,888 04 Mar 2026 Direct
Thomas L. Brown JRVR Common Stock Award 47.8% 14,409 44,549 04 Mar 2026 Direct
Jeanette L. Miller JRVR Common Stock Tax liability -1.68% -1,054 61,556 02 Mar 2026 Direct
Jeanette L. Miller JRVR Common Stock Award 5.25% 3,122 62,610 02 Mar 2026 Direct
Michael J. Hoffmann JRVR Common Stock Tax liability -1.88% -1,853 96,936 02 Mar 2026 Direct
Michael J. Hoffmann JRVR Common Stock Award 6.75% 6,247 98,789 02 Mar 2026 Direct
Sarah C. Doran JRVR Common Stock Tax liability -1.54% -2,728 174,467 02 Mar 2026 Direct
Sarah C. Doran JRVR Common Stock Award 4.78% 8,085 177,195 02 Mar 2026 Direct
Frank D'Orazio JRVR Common Stock Tax liability -1.14% -4,793 417,066 02 Mar 2026 Direct
Frank D'Orazio JRVR Common Stock Award 3.33% 13,597 421,859 02 Mar 2026 Direct
Jeanette L. Miller JRVR Common Stock Tax liability -3.3% -2,032 59,488 01 Mar 2026 Direct
James P. McCoy JRVR Common Stock Tax liability -3.2% -1,771 53,531 01 Mar 2026 Direct
Michael J. Hoffmann JRVR Common Stock Tax liability -4.77% -4,631 92,542 01 Mar 2026 Direct
Sarah C. Doran JRVR Common Stock Tax liability -2.61% -4,529 169,110 01 Mar 2026 Direct
Frank D'Orazio JRVR Common Stock Tax liability -2.01% -8,362 408,262 01 Mar 2026 Direct
Michael E. Crow JRVR Common Stock Tax liability -1.84% -1,111 59,333 01 Mar 2026 Direct
James Paul McCoy JRVR Common Shares Tax liability -2% -1,130 55,302 09 Nov 2025 Direct
* marks a reported price that did not pass the local price check.
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