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ISSUER PROFILE · CIK 0001620459 · CUSIP 46990A102

James River Group Holdings, Inc.JRVR

1 13D/G filings 1 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
0.0%
avg 0.0%
Median 60d
+0.4%
avg +0.4%
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
1
1 SCHEDULE 13D
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
8.01
as of 2026-07-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2026-05-15 SCHEDULE 13D Zimmer Partners, LP 10.00% 4,623,685 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-31 1,825,402 8.01 +9.4%
2026-07-15 1,668,766 5.73 +1.5%
2026-06-30 1,644,030 2.99 +27.8%
2026-06-15 1,286,603 3.72 +10.9%
2026-05-29 1,160,061 2.47 -6.8%
2026-05-15 1,244,894 1.61 +19.8%
2026-04-30 1,039,584 5.22 -4.3%
2026-04-15 1,086,535 5.25 -10.9%
2026-03-31 1,218,983 4.24 +5.6%
2026-03-13 1,153,965 3.60 +6.6%
2026-02-27 1,082,166 5.83 -10.2%
2026-02-13 1,204,474 4.94 +1.3%

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