Zimmer Partners, LP

13F Holdings History for James River Group Holdings, Inc. - Common Shares, par value $0.0002 per share (JRVR)

Symbol: JRVR on Nasdaq
Investment type: Equity / Common Shares, par value $0.0002 per share
Latest Disclosed Ownership: 4.59M shares
Security Ownership: 10%

Shares, Excluding Options vs Price

Value, Excluding Options

Zimmer Partners, LP ownership in James River Group Holdings, Inc. Common Shares, par value $0.0002 per share (JRVR)

2025-11-12 - Zimmer Partners, LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4.59M shares of James River Group Holdings, Inc. Common Shares, par value $0.0002 per share (JRVR). This represents 10% percent ownership of the company. In their previous filing dated 2025-08-14, Zimmer Partners, LP had reported owning 2.99M shares, indicating an increase of 53.8% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Zimmer Partners, LP	10%	+50%	$25.5M	4.59M	+1,605,828	+53.8%	$5.55	13G/A	9/30/2025	12 Nov 2025 12:19:20
Zimmer Partners, LP	6.5%		$17.5M	2.99M			$5.85	13G	6/30/2025	14 Aug 2025 09:59:55

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	0.62%	+0.22%	$25.5M	4.59M	+1,605,828	+53.8%	$5.55	Q3 2025
6/30/2025	0.4%	+0.11%	$17.5M	2.99M	+823,326	+38.1%	$5.86	Q2 2025
3/31/2025	0.18%	+0.16%	$9.08M	2.16M	+1,886,781	+600%	$4.20	Q1 2025
12/31/2024	0.02%	+0.02%	$1.34M	276K	+275,703	NEW	$4.87	Q4 2024
12/31/2021		-0.22%	$0	0	-373,403	-100%		Q4 2021
9/30/2021	0.22%		$14.1M	373K			$37.73	Q3 2021
6/30/2021	0.19%	+0.19%	$14M	373K	+373,403	NEW	$37.52	Q2 2021

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.