Zimmer Partners, LP - 30 Sep 2025 SCHEDULE 13G/A Report for James River Group Holdings, Ltd. Common Shares, par value $0.0002 per share (JRVR)

Filing Manager
Zimmer Partners, LP
Reporting Manager
Zimmer Partners, LP
Security
James River Group Holdings, Ltd. Common Shares, par value $0.0002 per share
Symbol
JRVR
Shares outstanding
45,916,380 shares
Disclosed Ownership
4,591,638 shares
Ownership
10%
Form type
SCHEDULE 13G/A
Filing time
12 Nov 2025, 12:19:20 UTC
Date of event
30 Sep 2025
Previous filing
14 Aug 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Zimmer Partners, LP 10% 4,591,638 0 4,591,638 /s/ Jelena Napolitano Jelena Napolitano/ Authorized Person
Zimmer Financial Services Group LLC 10% 4,591,638 0 4,591,638 /s/ Stuart J. Zimmer Stuart J. Zimmer / Director
Zimmer Partners GP, LLC 10% 4,591,638 0 4,591,638 /s/ Stuart J. Zimmer Stuart J. Zimmer / Director, Zimmer Financial Services Group LLC, its Managing Member
Stuart J. Zimmer 10% 4,591,638 0 4,591,638 /s/ Stuart J. Zimmer Stuart J. Zimmer / Self