Mitsui Sumitomo Insurance Co., Ltd. raised its WRB stake to 13.9% from 12.8% | OQRO Fund holdings- Stake · was 12.8%
- Shares owned
Why it stands out
An amended Schedule 13D: the activist holder's stake changed by at least half a point.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
All the details
Dates, kept separate
- Date of the event that required the filing
- Jan 13, 2026
- Reporting period
- Not applicable
- Filed with the SEC
- Jan 14, 2026
activist5% holder
Context
- Change vs prior quarter
Undefined
Compared with the manager's prior 13F
- Tracked managers with the same change
NaN
For the same quarter
Data qualityVerified: identifiers matched exactly Around the same time
Congress trade2 different filers disclosed WRB within 90 days. Disclosed 38 days after the transaction; reported as an official range, not an exact amount.
Congress trade 2 different filers disclosed WRB within 90 days. Disclosed 24 days after the transaction; reported as an official range, not an exact amount.
Major shareholder bought 56.5M → 56.5M shares held
A big owner of W. R. Berkley Corporation spent $2.49M of their very own money to buy W. R. Berkley Corporation shares.
