Institutional
MITSUI SUMITOMO INSURANCE CO LTD
CIK 0001142206
$3.90B
Reported AUM
1
Positions
Q1 2026
Period
2026-05-14
Filed
The Brief · MITSUI SUMITOMO INSURANCE CO LTD · Q1 2026
AI · grounded in 13F
MITSUI SUMITOMO INSURANCE CO LTD increased its position in W. R. Berkley Corporation WRB by 16.34%. This was the fund's only move during the period. The fund ended the quarter with a total AUM of $3.9B across a single position.
Portfolio · Q1 2026
Top holdings
QoQ vs Q4 2025
| # | Stock | Issuer | Price | Day % | 1Y Gr. | 5Y Gr. | Value | % of book | Δ shares (QoQ) | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | WRB | W. R. Berkley Corporation | $68.57 | 3.41% | -5.14% | 135.45% | $3.90B | 100.00% | +8,253,939 | +16.3% |
Source: SEC EDGAR · accession 0001193125-26-222668. 13F discloses long positions only — shorts, foreign equities, and options are excluded.