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W.R. Berkley

947 hedge funds and large institutions have $20B invested in W.R. Berkley in 2025 Q4 according to their latest regulatory filings, with 133 funds opening new positions, 311 increasing their positions, 351 reducing their positions, and 100 closing their positions.

New
Increased
Maintained
Reduced
Closed

33% more first-time investments, than exits

New positions opened: 133 | Existing positions closed: 100

16% more call options, than puts

Call options by funds: $16.8M | Put options by funds: $14.5M

10.11% more ownership

Funds ownership: 64.73%74.84% (+10%)

5% more capital invested

Capital invested by funds: $19B → $20B (+$971M)

2% more funds holding

Funds holding: 930947 (+17)

11% less repeat investments, than reductions

Existing positions increased: 311 | Existing positions reduced: 351

37% less funds holding in top 10

Funds holding in top 10: 1912 (-7)

Holders
947
Holders Change
+17
Holders Change %
+1.83%
% of All Funds
11.52%
Holding in Top 10
12
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-36.84%
% of All Funds
0.15%
New
133
Increased
311
Reduced
351
Closed
100
Calls
$16.8M
Puts
$14.5M
Net Calls
+$2.37M
Net Calls Change
-$17M
Name Holding Trade Value Shares
Change
Change in
Stake
MSI
1
Mitsui Sumitomo Insurance
Japan
$3.54B +$3.72B +50,526,511 New
Vanguard Group
2
Vanguard Group
Pennsylvania
$2.6B +$22.8M +309,828 +0.8%
BlackRock
3
BlackRock
New York
$1.76B +$21.1M +285,719 +1%
State Street
4
State Street
Massachusetts
$1.05B -$345K -4,681 -0%
Morgan Stanley
5
Morgan Stanley
New York
$687M -$148M -2,006,209 -17%
Kayne Anderson Rudnick Investment Management
6
Kayne Anderson Rudnick Investment Management
California
$611M -$57.9M -785,257 -8%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$587M +$334K +4,536 +0.1%
Norges Bank
8
Norges Bank
Norway
$436M +$458M +6,214,380 New
Invesco
9
Invesco
Georgia
$345M +$1.51M +20,538 +0.4%
Wells Fargo
10
Wells Fargo
California
$280M +$6.28M +85,165 +2%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$255M -$5.38M -73,046 -2%
First Trust Advisors
12
First Trust Advisors
Illinois
$252M -$46.1M -625,749 -15%
Janus Henderson Group
13
Janus Henderson Group
United Kingdom
$249M -$249M -3,382,139 -49%
UBS Group
14
UBS Group
Switzerland
$246M +$66.8M +906,100 +35%
JP Morgan Chase
15
JP Morgan Chase
New York
$208M -$144M -1,953,652 -40%
Northern Trust
16
Northern Trust
Illinois
$203M -$9.2M -124,775 -4%
Royal London Asset Management
17
Royal London Asset Management
United Kingdom
$196M +$1.97M +26,726 +1%
Goldman Sachs
18
Goldman Sachs
New York
$193M +$84.2M +1,142,120 +71%
Principal Financial Group
19
Principal Financial Group
Iowa
$190M -$187M -2,533,657 -48%
PCH
20
Polar Capital Holdings
United Kingdom
$171M -$22.5M -305,000 -11%
Bank of America
21
Bank of America
North Carolina
$165M -$16M -217,095 -8%
1832 Asset Management
22
1832 Asset Management
Ontario, Canada
$163M -$5.42M -73,513 -3%
UBS AM
23
UBS AM
Illinois
$156M +$163M +2,213,679 +35,573%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$154M +$34.4M +466,501 +27%
Legal & General Group
25
Legal & General Group
United Kingdom
$145M -$5.43M -73,734 -3%