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James River Group Holdings

120 hedge funds and large institutions have $240M invested in James River Group Holdings in 2025 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 34 increasing their positions, 41 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

500% more call options, than puts

Call options by funds: $18K | Put options by funds: $3K

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

91% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 11

27% more capital invested

Capital invested by funds: $189M → $240M (+$51M)

9% more funds holding

Funds holding: 110120 (+10)

8.02% more ownership

Funds ownership: 74.19%82.21% (+8%)

17% less repeat investments, than reductions

Existing positions increased: 34 | Existing positions reduced: 41

Holders
120
Holders Change
+10
Holders Change %
+9.09%
% of All Funds
1.46%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.02%
New
21
Increased
34
Reduced
41
Closed
11
Calls
$18K
Puts
$3K
Net Calls
+$15K
Net Calls Change
-$230K
Name Holding Trade Value Shares
Change
Change in
Stake
Two Sigma Investments
26
Two Sigma Investments
New York
$1.69M -$53.2K -9,248 -3%
American Century Companies
27
American Century Companies
Missouri
$1.43M -$450K -78,168 -26%
Goldman Sachs
28
Goldman Sachs
New York
$1.42M -$35.6K -6,193 -3%
JP Morgan Chase
29
JP Morgan Chase
New York
$878K -$105K -18,261 -12%
Bank of New York Mellon
30
Bank of New York Mellon
New York
$877K +$169K +29,410 +27%
BCM
31
Bronte Capital Management
Australia
$786K +$711K +123,575 New
QOP
32
Quinn Opportunity Partners
Virginia
$736K +$666K +115,768 New
GCP
33
GSA Capital Partners
United Kingdom
$566K +$228K +39,604 +80%
N
34
Nuveen
North Carolina
$565K
QCM
35
Quantinno Capital Management
New York
$488K +$98.8K +17,184 +29%
Public Sector Pension Investment Board (PSP Investments)
36
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$483K
Marshall Wace
37
Marshall Wace
United Kingdom
$444K -$343K -59,666 -46%
Ameriprise
38
Ameriprise
Minnesota
$429K
Barclays
39
Barclays
United Kingdom
$388K +$20.3K +3,528 +6%
AllianceBernstein
40
AllianceBernstein
Tennessee
$383K
SEI Investments
41
SEI Investments
Pennsylvania
$302K +$208K +36,104 +318%
RhumbLine Advisers
42
RhumbLine Advisers
Massachusetts
$299K -$38.9K -6,769 -13%
TSW
43
Thompson Siegel & Walmsley
Virginia
$290K -$411K -71,505 -61%
FIA
44
FNY Investment Advisers
New York
$284K +$120K +20,844 +87%
Wells Fargo
45
Wells Fargo
California
$276K +$75.2K +13,070 +43%
IC
46
IEQ Capital
California
$261K -$1.87K -325 -0.8%
Russell Investments Group
47
Russell Investments Group
United Kingdom
$239K +$8.08K +1,405 +4%
Jane Street
48
Jane Street
New York
$224K -$21.1K -3,660 -9%
BCM
49
Bridgeway Capital Management
Texas
$209K -$144K -25,000 -43%
Ohio Public Employees Retirement System (OPERS)
50
Ohio Public Employees Retirement System (OPERS)
Ohio
$198K

JRVR Hedge Fund Activity: Q4 2025 in Review

120 of the 8,225 institutional investors tracked by Wall St. Rank reported a position in James River Group Holdings (JRVR) for Q4 2025, worth a combined $240M — up 27% from $189M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new JRVR positions and 11 closed out — a net gain of 10 holders — while 34 added to existing stakes and 41 trimmed.

The largest buyer was Enstar Group, opening a new position worth an estimated $14.9M. The largest seller was Vanguard Group, cutting an estimated $3.52M.

  • 120 institutional investors held James River Group Holdings (JRVR) as of Q4 2025, up from 110 in Q3 2025.
  • Funds reported $240M of James River Group Holdings stock for Q4 2025, up 27% quarter-over-quarter.
  • 21 funds opened new James River Group Holdings positions in Q4 2025 and 11 closed out, a net change of +10 holders.
  • The largest James River Group Holdings buyer in Q4 2025 was Enstar Group, an estimated $14.9M added.
  • The largest James River Group Holdings seller in Q4 2025 was Vanguard Group, an estimated $3.52M sold.

Based on aggregated 13F filings for Q4 2025.