W.r. Berkley Corporation · NYSE:WRB
Mitsui Sumitomo Insurance Co Ltd reported a 15.70% stake in W.r. Berkley Corporation (Schedule 13D/A)
Event Mar 4, 2026 · Filed Mar 5, 2026
Mitsui Sumitomo Insurance Co Ltd reported a 15.70% stake in W.r. Berkley Corporation, 58,780,450 shares, with active intent on Mar 4, 2026. Filed Mar 5, 2026 (Schedule 13D/A).
- Stake
- 15.70%
- Shares
- 58,780,450
- Intent
- Active
- What changed
- Stake changed
- Filed together
- 2 holders
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| Mitsui Sumitomo Insurance Co., Ltd. | 15.70% | 58,780,450 |
| MS&AD Insurance Group Holdings, Inc. | 15.70% | 58,780,450 |
Source
Related
- W.r. Berkley Corporation
- Mitsui Sumitomo Insurance Co Ltd
- W.r. Berkley Corporation shareholders
- Schedule 13D/A · Mitsui Sumitomo Insurance Co Ltd · Jun 4, 2026
- Schedule 13D/A · Mitsui Sumitomo Insurance Co Ltd · Feb 6, 2026
- Schedule 13D/A · Mitsui Sumitomo Insurance Co Ltd · Jan 14, 2026
- Schedule 13D · Mitsui Sumitomo Insurance Co Ltd · Dec 11, 2025
- Form 4 · Welt Philip S · Aug 5, 2026
- Form 4 · Baio Richard Mark · Aug 5, 2026
- Form 4 · Berkley William R Jr · Aug 5, 2026
- Form 4 · Shiel James G · Aug 5, 2026
- Schedule 13D/A · Berkley William R Jr · Jul 21, 2026