Citadel Advisors (Ken Griffin) — VRTX Trade History
Quarter-by-quarter changes in the VERTEX PHARMACEUTICALS INC position · CUSIP 92532F100
Currently held · 4 YearsFirst seen: 2015 Q4
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Add | 510,430 | 171,132 | +50.4% | $253.5M | 0.03% |
| 2026 Q1 | 2026-05-15 | Reduce | 339,298 | -87,762 | -20.6% | $151.5M | 0.02% |
| 2025 Q4 | 2026-02-17 | Add | 427,060 | 253,558 | +146.1% | $193.6M | 0.03% |
| 2025 Q3 | 2025-11-14 | Add | 173,502 | 144,675 | +501.9% | $68.0M | 0.01% |
| 2025 Q2 | 2025-08-14 | Add | 28,827 | 23,808 | +474.4% | $12.8M | 0.00% |
| 2025 Q1 | 2025-05-15 | Reduce | 5,019 | -157,162 | -96.9% | $2.4M | — |
| 2024 Q4 | 2025-02-14 | Add | 162,181 | 111,949 | +222.9% | $65.3M | 0.01% |
| 2024 Q3 | 2024-11-14 | Reduce | 50,232 | -54,363 | -52.0% | $23.4M | 0.01% |
| 2024 Q2 | 2024-08-14 | Add | 104,595 | 22,622 | +27.6% | $49.0M | 0.01% |
| 2024 Q1 | 2024-05-15 | Reduce | 81,973 | -244,707 | -74.9% | $34.3M | 0.01% |
| 2023 Q4 | 2024-02-14 | Add | 326,680 | 298,936 | +1077.5% | $132.9M | 0.03% |
| 2023 Q3 | 2023-11-14 | Add | 27,744 | 27,631 | +24452.2% | $9.6M | 0.00% |
| 2023 Q2 | 2023-08-14 | Reduce | 113 | -83,693 | -99.9% | $39.8K | — |
| 2023 Q1 | 2023-05-15 | Reduce | 83,806 | -119,805 | -58.8% | $26.4M | 0.01% |
| 2022 Q4 | 2023-02-14 | Add | 203,611 | 189,846 | +1379.2% | $58.8M | 0.01% |
| 2022 Q3 | 2022-11-14 | New | 13,765 | 13,765 | — | $4.0M | 0.00% |
| 2022 Q2 | 2022-08-15 | Sold out | — | -42,605 | -100.0% | — | — |
| 2022 Q1 | 2022-05-16 | New | 42,605 | 42,605 | — | $11.1M | 0.00% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -252,591 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Reduce | 252,591 | -136,999 | -35.2% | $55.5M | 0.01% |
| 2021 Q2 | 2021-08-16 | Reduce | 389,590 | -1,329,590 | -77.3% | $78.6M | 0.02% |
| 2021 Q1 | 2021-05-21 | Add | 1,719,180 | 240,821 | +16.3% | $369.4M | 0.09% |
| 2020 Q4 | 2021-02-16 | Add | 1,478,359 | 566,347 | +62.1% | $349.4M | 0.09% |
| 2020 Q3 | 2020-11-16 | New | 912,012 | 912,012 | — | $248.2M | 0.07% |
| 2020 Q2 | 2020-08-14 | Sold out | — | -446,956 | -100.0% | — | — |
| 2020 Q1 | 2020-05-15 | Reduce | 446,956 | -583,879 | -56.6% | $106.4M | 0.05% |
| 2019 Q4 | 2020-02-14 | New | 1,030,835 | 1,030,835 | — | $225.7M | 0.10% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -714,739 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 714,739 | 714,739 | — | $121.1M | 0.06% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -137,571 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 137,571 | 137,571 | — | $25.3M | 0.01% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -1,714,260 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Add | 1,714,260 | 366,651 | +27.2% | $256.9M | 0.16% |
| 2017 Q3 | 2017-11-09 | Reduce | 1,347,609 | -277,444 | -17.1% | $204.9M | 0.16% |
| 2017 Q2 | 2017-08-11 | Add | 1,625,053 | 597,399 | +58.1% | $209.4M | 0.18% |
| 2017 Q1 | 2017-05-12 | Add | 1,027,654 | 993,845 | +2939.6% | $112.4M | 0.10% |
| 2016 Q4 | 2017-02-10 | Reduce | 33,809 | -674,677 | -95.2% | $2.5M | 0.00% |
| 2015 Q4 | 2017-01-31 | New | 708,486 | 708,486 | — | $89.1M | 0.10% |
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.