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W.R. Berkley

922 hedge funds and large institutions have $19.8B invested in W.R. Berkley in 2025 Q4 according to their latest regulatory filings, with 122 funds opening new positions, 307 increasing their positions, 345 reducing their positions, and 98 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

0% less funds holding

Funds holding: 924922 (-2)

11% less repeat investments, than reductions

Existing positions increased: 307 | Existing positions reduced: 345

37% less funds holding in top 10

Funds holding in top 10: 1912 (-7)

Holders
922
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$16.8M
Puts
$14.5M
Net Calls
Net Calls Change

Top Buyers

1 +$163M
2 +$84M
3 +$72.3M
4
UBS Group
UBS Group
Switzerland
+$66.8M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$34.6M

Top Sellers

1 -$683M
2 -$249M
3 -$187M
4
Morgan Stanley
Morgan Stanley
New York
-$148M
5
JP Morgan Chase
JP Morgan Chase
New York
-$144M