Mediaalpha, Inc. · NYSE:MAX
White Mountains Insurance Group LTD reported a 33.03% stake in Mediaalpha, Inc. (Schedule 13D/A)
Event Apr 29, 2026 · Filed May 1, 2026
White Mountains Insurance Group LTD reported a 33.03% stake in Mediaalpha, Inc., 17,856,614 shares, with active intent on Apr 29, 2026. Filed May 1, 2026 (Schedule 13D/A).
- Stake
- 33.03%
- Shares
- 17,856,614
- Intent
- Active
- What changed
- Stake changed
- Filed together
- 2 holders
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| White Mountains Insurance Group, Ltd. | 33.03% | 17,856,614 |
| WM HINSON (BERMUDA) LTD. | 33.03% | 17,856,614 |
Source
Related
- Mediaalpha, Inc.
- White Mountains Insurance Group LTD
- Mediaalpha, Inc. shareholders
- Schedule 13D/A · White Mountains Insurance Group LTD · Aug 8, 2025
- Form 4 · Yeh Kuanling Amy · Oct 19, 2026
- Form 4 · Nonko Eugene · Oct 14, 2026
- Form 4 · Yi Steven · Oct 9, 2026
- Form 4 · Sinanyan Tigran · Oct 2, 2026
- Form 4 · Yeh Kuanling Amy · Sep 25, 2026