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MHR
Matthew Hamilton Rosenberg’s
W.R. Berkley
WRB
Stock Holding History
Matthew Hamilton Rosenberg’s Portfolio
WRB Stock Details
WRB Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$6.73K
Sell
102
-71
-41%
-$4.89K
﹤0.01%
656
2025
Q4
$12.1K
Hold
173
–
–
﹤0.01%
603
2025
Q3
$13.2K
Buy
173
+143
+477%
+$10.2K
﹤0.01%
599
2025
Q2
$2.2K
Hold
30
–
–
﹤0.01%
774
2025
Q1
$2.13K
Buy
30
+6
+25%
+$368
﹤0.01%
757
2024
Q4
$1.4K
Hold
24
–
–
﹤0.01%
761
2024
Q3
$1.36K
Sell
24
-66
-73%
-$3.71K
﹤0.01%
764
2024
Q2
$4.74K
Hold
90
–
–
﹤0.01%
662
2024
Q1
$5.25K
Buy
90
+66
+275%
+$3.57K
﹤0.01%
692
2023
Q4
$1.13K
Hold
24
–
–
﹤0.01%
786
2023
Q3
$1.02K
Hold
24
–
–
﹤0.01%
787
2023
Q2
$953
Hold
24
–
–
﹤0.01%
792
2023
Q1
$996
Hold
24
–
–
﹤0.01%
831
2022
Q4
$1.16K
Hold
24
–
–
﹤0.01%
805
2022
Q3
$1K
Buy
+24
New
+$1.04K
﹤0.01%
846
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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