Two Sigma Investments — ALNY Trade History
Quarter-by-quarter changes in the ALNYLAM PHARMACEUTICALS INC position · CUSIP 02043Q107
Currently held · 2.5 YearsFirst seen: 2017 Q2
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Reduce | 1,875,937 | -116,640 | -5.9% | $564.7M | 0.41% |
| 2026 Q1 | 2026-05-15 | Add | 1,992,577 | 1,376,457 | +223.4% | $659.3M | 0.53% |
| 2025 Q4 | 2026-02-17 | Add | 616,120 | 20,194 | +3.4% | $245.0M | 0.35% |
| 2025 Q3 | 2025-11-14 | Add | 595,926 | 252,621 | +73.6% | $271.7M | 0.41% |
| 2025 Q2 | 2025-08-14 | Add | 343,305 | 145,890 | +73.9% | $111.9M | 0.20% |
| 2025 Q1 | 2025-05-15 | Add | 197,415 | 90,298 | +84.3% | $53.3M | 0.11% |
| 2024 Q4 | 2025-02-14 | Add | 107,117 | 87,969 | +459.4% | $25.2M | 0.06% |
| 2024 Q3 | 2024-11-14 | Reduce | 19,148 | -83,770 | -81.4% | $5.3M | 0.01% |
| 2024 Q2 | 2024-08-14 | Add | 102,918 | 406 | +0.4% | $25.0M | 0.06% |
| 2024 Q1 | 2024-05-15 | New | 102,512 | 102,512 | — | $15.3M | 0.04% |
| 2023 Q4 | 2024-02-14 | Sold out | — | -3,300 | -100.0% | — | — |
| 2023 Q3 | 2023-11-14 | Reduce | 3,300 | -221,369 | -98.5% | $584.4K | 0.00% |
| 2023 Q2 | 2023-08-14 | Add | 224,669 | 57,323 | +34.3% | $42.7M | 0.11% |
| 2023 Q1 | 2023-05-15 | Reduce | 167,346 | -15,361 | -8.4% | $33.5M | 0.10% |
| 2022 Q4 | 2023-02-14 | Reduce | 182,707 | -34,005 | -15.7% | $43.4M | 0.14% |
| 2022 Q3 | 2022-11-14 | New | 216,712 | 216,712 | — | $43.4M | 0.15% |
| 2022 Q2 | 2022-08-15 | Sold out | — | -73,949 | -100.0% | — | — |
| 2022 Q1 | 2022-05-16 | New | 73,949 | 73,949 | — | $12.1M | 0.04% |
| 2021 Q4 | 2022-02-14 | — | — | — | — | — | — |
| 2021 Q3 | 2021-11-15 | — | — | — | — | — | — |
| 2021 Q2 | 2021-08-16 | Sold out | — | -36,619 | -100.0% | — | — |
| 2021 Q1 | 2021-05-17 | New | 36,619 | 36,619 | — | $5.2M | 0.01% |
| 2020 Q4 | 2021-02-16 | — | — | — | — | — | — |
| 2020 Q3 | 2020-11-16 | — | — | — | — | — | — |
| 2020 Q2 | 2020-08-14 | — | — | — | — | — | — |
| 2020 Q1 | 2020-05-15 | — | — | — | — | — | — |
| 2019 Q4 | 2020-02-14 | — | — | — | — | — | — |
| 2019 Q3 | 2019-11-14 | — | — | — | — | — | — |
| 2019 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2019 Q1 | 2019-05-15 | — | — | — | — | — | — |
| 2018 Q4 | 2019-02-14 | Sold out | — | -20,675 | -100.0% | — | — |
| 2018 Q3 | 2018-11-14 | Reduce | 20,675 | -102,708 | -83.2% | $1.8M | 0.01% |
| 2018 Q2 | 2018-08-14 | Reduce | 123,383 | -132,993 | -51.9% | $12.2M | 0.04% |
| 2018 Q1 | 2018-05-15 | Reduce | 256,376 | -46,000 | -15.2% | $30.5M | 0.10% |
| 2017 Q4 | 2018-02-14 | Add | 302,376 | 158,502 | +110.2% | $38.4M | 0.13% |
| 2017 Q3 | 2017-11-14 | Add | 143,874 | 141,127 | +5137.5% | $16.9M | 0.06% |
| 2017 Q2 | 2017-08-14 | New | 2,747 | 2,747 | — | $219.0K | 0.00% |
| 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.