Mitsui Sumitomo Insurance Finalizes Agreement to Acquire 15% Stake in W. R. Berkley

The Japanese insurer will begin acquiring shares, with the investment expected to conclude by March 2026, pending regulatory approvals.

Mitsui Sumitomo Insurance (MSI) plans to purchase 15% of W. R. Berkley Corporation's shares via open market transactions or private deals with third parties.
The Berkley Family will retain its shares and continue its operational and governance commitments to the company.
MSI has agreed to vote its shares in line with the Berkley Family's recommendations once it acquires 4.9% of the company's stock.
If MSI reaches a 12.5% stake, the Berkley Family will support the nomination of an MSI-backed director to the board.
W. R. Berkley Corporation's stock surged to a record high following the announcement, reflecting strong market confidence in the partnership.