Two Sigma Investments — BSX Trade History
Quarter-by-quarter changes in the BOSTON SCIENTIFIC CORP position · CUSIP 101137107
Currently held · 5.8 YearsFirst seen: 2016 Q3
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Add | 19,359,023 | 9,947,792 | +105.7% | $826.2M | 0.60% |
| 2026 Q1 | 2026-05-15 | Add | 9,411,231 | 6,939,887 | +280.8% | $590.6M | 0.48% |
| 2025 Q4 | 2026-02-17 | Reduce | 2,471,344 | -60,237 | -2.4% | $235.6M | 0.33% |
| 2025 Q3 | 2025-11-14 | Add | 2,531,581 | 65,205 | +2.6% | $247.2M | 0.37% |
| 2025 Q2 | 2025-08-14 | Add | 2,466,376 | 25,629 | +1.1% | $264.9M | 0.47% |
| 2025 Q1 | 2025-05-15 | Add | 2,440,747 | 1,698,900 | +229.0% | $246.2M | 0.53% |
| 2024 Q4 | 2025-02-14 | Reduce | 741,847 | -411,277 | -35.7% | $66.3M | 0.14% |
| 2024 Q3 | 2024-11-14 | Reduce | 1,153,124 | -701,161 | -37.8% | $96.6M | 0.21% |
| 2024 Q2 | 2024-08-14 | Add | 1,854,285 | 1,721,765 | +1299.2% | $142.8M | 0.33% |
| 2024 Q1 | 2024-05-15 | Add | 132,520 | 32,861 | +33.0% | $9.1M | 0.02% |
| 2023 Q4 | 2024-02-14 | Reduce | 99,659 | -311,349 | -75.8% | $5.8M | 0.01% |
| 2023 Q3 | 2023-11-14 | Reduce | 411,008 | -2,034,453 | -83.2% | $21.7M | 0.06% |
| 2023 Q2 | 2023-08-14 | Add | 2,445,461 | 1,321,222 | +117.5% | $132.3M | 0.33% |
| 2023 Q1 | 2023-05-15 | Reduce | 1,124,239 | -457,196 | -28.9% | $56.2M | 0.16% |
| 2022 Q4 | 2023-02-14 | Add | 1,581,435 | 1,479,217 | +1447.1% | $73.2M | 0.23% |
| 2022 Q3 | 2022-11-14 | Reduce | 102,218 | -276,787 | -73.0% | $4.0M | 0.01% |
| 2022 Q2 | 2022-08-15 | Reduce | 379,005 | -3,546,471 | -90.3% | $14.1M | 0.05% |
| 2022 Q1 | 2022-05-16 | Reduce | 3,925,476 | -177,090 | -4.3% | $173.9M | 0.51% |
| 2021 Q4 | 2022-02-14 | Reduce | 4,102,566 | -550,951 | -11.8% | $174.3M | 0.37% |
| 2021 Q3 | 2021-11-15 | Add | 4,653,517 | 180,634 | +4.0% | $201.9M | 0.45% |
| 2021 Q2 | 2021-08-16 | Add | 4,472,883 | 3,904,441 | +686.9% | $191.3M | 0.43% |
| 2021 Q1 | 2021-05-17 | Reduce | 568,442 | -5,744,377 | -91.0% | $22.0M | 0.06% |
| 2020 Q4 | 2021-02-16 | New | 6,312,819 | 6,312,819 | — | $226.9M | 0.65% |
| 2020 Q3 | 2020-11-16 | Sold out | — | -522,829 | -100.0% | — | — |
| 2020 Q2 | 2020-08-14 | Reduce | 522,829 | -783,666 | -60.0% | $18.4M | 0.09% |
| 2020 Q1 | 2020-05-15 | Reduce | 1,306,495 | -261,060 | -16.7% | $42.6M | 0.35% |
| 2019 Q4 | 2020-02-14 | New | 1,567,555 | 1,567,555 | — | $70.9M | 0.21% |
| 2019 Q3 | 2019-11-14 | — | — | — | — | — | — |
| 2019 Q2 | 2019-08-14 | Sold out | — | -2,632,148 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | Add | 2,632,148 | 1,971,508 | +298.4% | $101.0M | 0.33% |
| 2018 Q4 | 2019-02-14 | New | 660,640 | 660,640 | — | $23.3M | 0.09% |
| 2018 Q3 | 2018-11-14 | — | — | — | — | — | — |
| 2018 Q2 | 2018-08-14 | Sold out | — | -2,867,336 | -100.0% | — | — |
| 2018 Q1 | 2018-05-15 | Reduce | 2,867,336 | -835,203 | -22.6% | $78.3M | 0.26% |
| 2017 Q4 | 2018-02-14 | Add | 3,702,539 | 1,635,881 | +79.2% | $91.8M | 0.30% |
| 2017 Q3 | 2017-11-14 | Reduce | 2,066,658 | -470,512 | -18.5% | $60.3M | 0.21% |
| 2017 Q2 | 2017-08-14 | Reduce | 2,537,170 | -1,491,286 | -37.0% | $70.3M | 0.25% |
| 2017 Q1 | 2017-05-15 | Reduce | 4,028,456 | -968,456 | -19.4% | $100.2M | 0.34% |
| 2016 Q4 | 2017-02-14 | Reduce | 4,996,912 | -854,412 | -14.6% | $108.1M | 0.41% |
| 2016 Q3 | 2016-11-14 | New | 5,851,324 | 5,851,324 | — | $139.3M | 0.51% |
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.