← Insider buys
WRB

W. R. Berkley Corporation · Financial Services

Mitsui Sumitomo Insurance Co Ltd bought $33.1M of W. R. Berkley Corporation

10% owner

Bought$33,087,353
$68.22Price
485,000Shares
+1%Stake

What WRB did for a copier

Filed Jan 30Copier in Feb 2
$1,000 copied at Mon, Feb 2 open, $68.54
$1,005
S&P 500, same days
−2.7%

Measured over 30 trading days, to the Mar 17 close.

Mitsui Sumitomo Insurance Co Ltd's record

19 other buys with 3 months of prices since 2025: on average −9.3% against the S&P 500, and 1 of 19 beat it.

We're building an app that can copy buys like this into your own brokerage. Join the waitlist

Traded Thu, Jan 29. Filed Fri, Jan 30, 7:30 PM ET, after the close. Returns use the Feb 2 open and the Mar 17 close. Not investment advice.