StockDriftsStockDriftsTop 1 Mitsui Sumitomo Insurance CO LTD Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| WRB | W. R. Berkley Corporation | 100% | 58.78M | $4.15B | +0.00%(+0) | $72.64(-4.01%) | 2026-06-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative | Since First Filing (2 quarters) |
|---|---|---|---|---|---|
| Top 20 Holdings Weighted | — | — | — | — | +0.58% |
| Top 20 Holdings Unweighted | — | — | — | — | +0.58% |
Mitsui Sumitomo Insurance CO LTD reports $4.15B in US-listed equity holdings across 1 position in its most recent 13F filing. Its largest disclosed position is WRB (100.0%). The top 20 holdings account for 100% of reported assets. Its disclosed equity book has returned +0.58% cumulatively over 2 quarters. Figures reflect the Q2 2026 filing.
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Holdings on this page are parsed from Mitsui Sumitomo Insurance CO LTD’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1142206). View Mitsui Sumitomo Insurance CO LTD’s 13F filings on SEC