White Mountains Insurance Gp shares owned by Jane Street
Quarter-by-quarter ownership of White Mountains Insurance Gp (WTM) shares owned by Jane Street
from 13F filings
Historical chart of Jane Street investment in White Mountains Insurance Gp
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Quarterly reported holdings in White Mountains Insurance Gp by Jane Street
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $8.1M | 4.8k | 1671.52 |
| 2025-06-30 | $11M | 6.1k | 1795.72 |
| 2025-03-31 | $1.1M | 578 | 1925.81 |
| 2024-12-31 | $558k | 287 | 1945.06 |
| 2024-09-30 | $2.2M | 1.3k | 1696.20 |
| 2024-06-30 | $1.7M | 927 | 1817.45 |
| 2024-03-31 | $999k | 557 | 1794.30 |
| 2023-09-30 | $361k | 241 | 1495.69 |
| 2023-06-30 | $346k | 249 | 1388.91 |
| 2023-03-31 | $970k | 704 | 1377.49 |
| 2022-12-31 | $1.8M | 1.2k | 1414.33 |
| 2022-09-30 | $382k | 293 | 1303.75 |
| 2022-06-30 | $1.2M | 950 | 1246.32 |
| 2022-03-31 | $1.2M | 1.0k | 1136.09 |
| 2021-09-30 | $1.1M | 1.1k | 1069.35 |
| 2021-06-30 | $245k | 213 | 1150.23 |
| 2020-12-31 | $341k | 341 | 1000.00 |
| 2020-09-30 | $1.6M | 2.0k | 779.06 |
| 2020-06-30 | $961k | 1.1k | 888.17 |
| 2020-03-31 | $674k | 741 | 909.58 |
| 2019-06-30 | $611k | 598 | 1021.74 |
| 2019-03-31 | $251k | 271 | 926.20 |
| 2017-09-30 | $722k | 842 | 857.48 |
| 2017-06-30 | $224k | 258 | 868.22 |
| 2014-03-31 | $494k | 824 | 599.51 |