← Insider buys
WRB

W. R. Berkley Corporation · Financial Services

Mitsui Sumitomo Insurance Co Ltd bought $36.6M of W. R. Berkley Corporation

10% owner

Bought$36,644,801
$68.50Price
535,000Shares
+1%Stake

What WRB did for a copier

Filed Jan 16Copier in Jan 20
$1,000 copied at Tue, Jan 20 open, $66.73
$1,055
S&P 500, same days
+0.5%

Measured over 30 trading days, to the Mar 4 close.

Mitsui Sumitomo Insurance Co Ltd's record

19 other buys with 3 months of prices since 2025: on average −9.4% 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 15. Filed Fri, Jan 16, 7:00 PM ET, after the close. Returns use the Jan 20 open and the Mar 4 close. Not investment advice.