WR BERKLEY CORP (WRB) Institutional Ownership and Insiders Activity

WR BERKLEY CORP (WRB) is widely held by institutional investors, with 934 firms reporting positions valued at approximately $19.76B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Mitsui Sumitomo Insurance Co Ltd is the largest disclosed holder, reporting approximately $4.15B in WRB holdings in its latest filing.

Recent insider activity includes 8 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.