Viking Global Investors — BSX Trade History
Quarter-by-quarter changes in the BOSTON SCIENTIFIC CORP position · CUSIP 101137107
Sold outFirst seen: 2018 Q3
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | — | — | — | — | — | — |
| 2026 Q1 | 2026-05-15 | Sold out | — | -2,509,808 | -100.0% | — | — |
| 2025 Q4 | 2026-02-17 | Reduce | 2,509,808 | -131,874 | -5.0% | $239.3M | 0.64% |
| 2025 Q3 | 2025-11-14 | Reduce | 2,641,682 | -404,082 | -13.3% | $257.9M | 0.67% |
| 2025 Q2 | 2025-08-14 | Add | 3,045,764 | 669,000 | +28.1% | $327.1M | 0.95% |
| 2025 Q1 | 2025-05-15 | Add | 2,376,764 | 204,556 | +9.4% | $239.8M | 0.76% |
| 2024 Q4 | 2025-02-14 | Add | 2,172,208 | 1,204,998 | +124.6% | $194.0M | 0.63% |
| 2024 Q3 | 2024-11-14 | New | 967,210 | 967,210 | — | $81.1M | 0.29% |
| 2024 Q2 | 2024-08-14 | Sold out | — | -1,724,755 | -100.0% | — | — |
| 2024 Q1 | 2024-05-15 | Reduce | 1,724,755 | -543,006 | -23.9% | $118.1M | 0.44% |
| 2023 Q4 | 2024-02-14 | Add | 2,267,761 | 1,157,469 | +104.2% | $131.1M | 0.48% |
| 2023 Q3 | 2023-11-14 | New | 1,110,292 | 1,110,292 | — | $58.6M | 0.24% |
| 2023 Q2 | 2023-08-14 | Sold out | — | -1,136,881 | -100.0% | — | — |
| 2023 Q1 | 2023-05-15 | Reduce | 1,136,881 | -8,391,712 | -88.1% | $56.9M | 0.27% |
| 2022 Q4 | 2023-02-14 | Reduce | 9,528,593 | -6,634,328 | -41.0% | $440.9M | 2.21% |
| 2022 Q3 | 2022-11-14 | New | 16,162,921 | 16,162,921 | — | $626.0M | 2.89% |
| 2022 Q2 | 2022-08-15 | — | — | — | — | — | — |
| 2021 Q3 | 2022-05-16 | — | — | — | — | — | — |
| 2021 Q4 | 2022-05-16 | — | — | — | — | — | — |
| 2022 Q1 | 2022-05-16 | — | — | — | — | — | — |
| 2021 Q2 | 2021-08-16 | — | — | — | — | — | — |
| 2021 Q1 | 2021-05-17 | — | — | — | — | — | — |
| 2020 Q4 | 2021-02-16 | — | — | — | — | — | — |
| 2020 Q3 | 2020-11-16 | — | — | — | — | — | — |
| 2020 Q2 | 2020-08-07 | — | — | — | — | — | — |
| 2020 Q1 | 2020-05-13 | — | — | — | — | — | — |
| 2019 Q4 | 2020-02-13 | — | — | — | — | — | — |
| 2019 Q3 | 2019-11-13 | — | — | — | — | — | — |
| 2019 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2019 Q1 | 2019-05-15 | — | — | — | — | — | — |
| 2018 Q4 | 2019-02-14 | — | — | — | — | — | — |
| 2018 Q3 | 2018-11-14 | — | — | — | — | — | — |
| 2018 Q2 | 2018-08-14 | — | — | — | — | — | — |
| 2018 Q1 | 2018-05-15 | — | — | — | — | — | — |
| 2017 Q4 | 2018-02-14 | — | — | — | — | — | — |
| 2017 Q3 | 2017-11-14 | — | — | — | — | — | — |
| 2017 Q2 | 2017-08-14 | — | — | — | — | — | — |
| 2017 Q1 | 2017-05-15 | — | — | — | — | — | — |
| 2016 Q4 | 2017-02-14 | — | — | — | — | — | — |
| 2016 Q3 | 2016-11-14 | — | — | — | — | — | — |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.