White Mountains Insurance Gp shares owned by Douglass Winthrop Advisors
Quarter-by-quarter ownership of White Mountains Insurance Gp (WTM) shares owned by Douglass Winthrop Advisors
from 13F filings
Historical chart of Douglass Winthrop Advisors investment in White Mountains Insurance Gp
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Quarterly reported holdings in White Mountains Insurance Gp by Douglass Winthrop Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $251k | 150 | 1671.52 |
| 2025-06-30 | $278k | 155 | 1795.72 |
| 2025-03-31 | $368k | 191 | 1925.81 |
| 2020-09-30 | $467k | 600 | 778.33 |
| 2020-06-30 | $533k | 600 | 888.33 |
| 2020-03-31 | $629k | 691 | 910.28 |
| 2019-12-31 | $802k | 719 | 1115.44 |
| 2019-09-30 | $777k | 719 | 1080.67 |
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