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W.R. Berkley

919 hedge funds and large institutions have $18.7B invested in W.R. Berkley in 2025 Q2 according to their latest regulatory filings, with 99 funds opening new positions, 350 increasing their positions, 338 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed

103% more call options, than puts

Call options by funds: $13.6M | Put options by funds: $6.71M

21% more first-time investments, than exits

New positions opened: 99 | Existing positions closed: 82

4% more repeat investments, than reductions

Existing positions increased: 350 | Existing positions reduced: 338

1% more funds holding

Funds holding: 912919 (+7)

0% more capital invested

Capital invested by funds: $18.7B → $18.7B (+$46.7M)

2.01% less ownership

Funds ownership: 69.16%67.16% (-2%)

24% less funds holding in top 10

Funds holding in top 10: 2922 (-7)

Holders
919
Holders Change
+7
Holders Change %
+0.77%
% of All Funds
12.1%
Holding in Top 10
22
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-24.14%
% of All Funds
0.29%
New
99
Increased
350
Reduced
338
Closed
82
Calls
$13.6M
Puts
$6.71M
Net Calls
+$6.91M
Net Calls Change
-$2.34M
Name Holding Trade Value Shares
Change
Change in
Stake
Allianz Asset Management
126
Allianz Asset Management
Germany
$13.5M +$1.48M +20,665 +13%
Marshall Wace
127
Marshall Wace
United Kingdom
$13.1M -$40.5M -564,895 -76%
QCM
128
QRG Capital Management
Illinois
$12.8M +$2.39M +33,280 +24%
Bank of Nova Scotia
129
Bank of Nova Scotia
Ontario, Canada
$12.7M +$9.59M +133,848 +341%
Prudential Financial
130
Prudential Financial
New Jersey
$12.7M +$618K +8,626 +5%
QCM
131
Quantinno Capital Management
New York
$12.7M +$2.21M +30,876 +22%
Mercer Global Advisors
132
Mercer Global Advisors
Colorado
$12.5M +$2.4M +33,467 +25%
SLAM
133
Swiss Life Asset Management
$12.2M +$3.42M +47,740 +40%
New York State Common Retirement Fund
134
New York State Common Retirement Fund
New York
$11.7M +$244K +3,399 +2%
Chevy Chase Trust
135
Chevy Chase Trust
Maryland
$11.6M +$69.5K +970 +0.6%
Corient Private Wealth
136
Corient Private Wealth
Florida
$11.5M -$1.15M -16,058 -9%
STCG
137
Speece Thorson Capital Group
Minnesota
$11.4M -$5.03M -70,231 -31%
SAM
138
Storebrand Asset Management
Norway
$11.3M +$1.49M +20,750 +16%
AAF
139
Andra AP-fonden
Sweden
$11.1M -$2.53M -35,300 -19%
IIM
140
INTECH Investment Management
Florida
$11.1M +$471K +6,567 +5%
Hudson Bay Capital Management
141
Hudson Bay Capital Management
Connecticut
$11M +$10.8M +150,225 New
FCM
142
Frontier Capital Management
Massachusetts
$11M -$32.1K -448 -0.3%
GF
143
Gabelli Funds
New York
$10.7M -$224K -3,124 -2%
Wellington Management Group
144
Wellington Management Group
Massachusetts
$10.6M +$1.58M +22,081 +18%
RAM
145
Resona Asset Management
Japan
$10.5M +$542K +7,567 +6%
Treasurer of the State of North Carolina
146
Treasurer of the State of North Carolina
North Carolina
$10.4M +$529K +7,381 +5%
IMRF
147
Illinois Municipal Retirement Fund
Illinois
$10.1M +$7.42M +103,579 +304%
Commonwealth Equity Services
148
Commonwealth Equity Services
Massachusetts
$9.97M -$73.8K -1,030 -0.8%
Asset Management One
149
Asset Management One
Japan
$9.94M -$116K -1,623 -1%
EAM
150
Erste Asset Management
Austria
$9.58M +$1.38M +19,264 +17%

WRB Hedge Fund Activity: Q2 2025 in Review

919 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in W.R. Berkley (WRB) for Q2 2025, worth a combined $18.7B — up 0.25% from $18.7B a quarter earlier.

Buyers outnumbered sellers: 99 funds opened new WRB positions and 82 closed out — a net gain of 17 holders — while 350 added to existing stakes and 338 trimmed.

The largest buyer was Balyasny Asset Management, opening a new position worth an estimated $184M. The largest seller was Morgan Stanley, cutting an estimated $183M.

  • 919 institutional investors held W.R. Berkley (WRB) as of Q2 2025, up from 912 in Q1 2025.
  • Funds reported $18.7B of W.R. Berkley stock for Q2 2025, up 0.25% quarter-over-quarter.
  • 99 funds opened new W.R. Berkley positions in Q2 2025 and 82 closed out, a net change of +17 holders.
  • The largest W.R. Berkley buyer in Q2 2025 was Balyasny Asset Management, an estimated $184M added.
  • The largest W.R. Berkley seller in Q2 2025 was Morgan Stanley, an estimated $183M sold.

Based on aggregated 13F filings for Q2 2025.