account_balance

Investment manager · 13F filer · SEC CIK 1142206

Mitsui Sumitomo Insurance Co Ltd

Reported value$4.15Bas of Jun 30, 2026
Positions1 0 new, 0 sold out
Top 10 weight100.0%WRB alone is 100%
FiledAug 1344 days after quarter end

Portfolio · as of Jun 30, 2026

Where the money is

New or addedTrimmedHeld

This fund reports 1 stock.

Box size is the share of the fund. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.

Show the top 1 as a list
WRB W. R. Berkley Corporation 100.0% Held

What changed

Biggest moves since Mar 31, 2026

Filed Aug 13, 2026, compared with the May 14, 2026 filing
add_circleNew

None

arrow_upwardAdded

None

arrow_downwardTrimmed

None

remove_circleSold out

None

Where this data comes from. Insider trades, fund holdings, activist stakes and company results come from public SEC EDGAR filings (Forms 4, 13F, 13D/13G, 10-Q and 8-K). Congress trades come from the STOCK Act reports members file with the House Clerk and the Senate.

This is data, not investment advice. About StockToast