Millennium Management — ALNY Trade History
Quarter-by-quarter changes in the ALNYLAM PHARMACEUTICALS INC position · CUSIP 02043Q107
Currently held · 3.5 YearsFirst seen: 2016 Q3
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Reduce | 316,001 | -131,886 | -29.4% | $95.1M | 0.03% |
| 2026 Q1 | 2026-05-15 | Add | 447,887 | 372,457 | +493.8% | $148.2M | 0.06% |
| 2025 Q4 | 2026-02-17 | Reduce | 75,430 | -474,501 | -86.3% | $30.0M | 0.01% |
| 2025 Q3 | 2025-11-14 | Add | 549,931 | 459,486 | +508.0% | $250.8M | 0.11% |
| 2025 Q2 | 2025-08-14 | Reduce | 90,445 | -196,892 | -68.5% | $29.5M | 0.01% |
| 2025 Q1 | 2025-05-15 | Reduce | 287,337 | -46,105 | -13.8% | $77.6M | 0.04% |
| 2024 Q4 | 2025-02-14 | Add | 333,442 | 82,479 | +32.9% | $78.5M | 0.04% |
| 2024 Q3 | 2024-11-14 | Add | 250,963 | 112,459 | +81.2% | $69.0M | 0.03% |
| 2024 Q2 | 2024-08-14 | Reduce | 138,504 | -63,774 | -31.5% | $33.7M | 0.02% |
| 2024 Q1 | 2024-05-15 | Add | 202,278 | 165,742 | +453.6% | $30.2M | 0.01% |
| 2023 Q4 | 2024-02-14 | Add | 36,536 | 20,429 | +126.8% | $7.0M | 0.00% |
| 2023 Q3 | 2023-11-14 | Reduce | 16,107 | -58,873 | -78.5% | $2.9M | 0.00% |
| 2023 Q2 | 2023-08-14 | Add | 74,980 | 51,606 | +220.8% | $14.2M | 0.01% |
| 2023 Q1 | 2023-05-15 | New | 23,374 | 23,374 | — | $4.7K | 0.00% |
| 2022 Q4 | 2023-02-14 | Sold out | — | -172,770 | -100.0% | — | — |
| 2022 Q3 | 2022-11-14 | Add | 172,770 | 168,318 | +3780.7% | $34.6M | 0.02% |
| 2022 Q2 | 2022-08-15 | Reduce | 4,452 | -59,505 | -93.0% | $649.0K | — |
| 2022 Q1 | 2022-05-16 | Reduce | 63,957 | -19,460 | -23.3% | $10.4M | 0.01% |
| 2021 Q4 | 2022-02-14 | Add | 83,417 | 71,585 | +605.0% | $14.1M | 0.01% |
| 2021 Q3 | 2021-11-15 | Add | 11,832 | 1,711 | +16.9% | $2.2M | 0.00% |
| 2021 Q2 | 2021-08-16 | Reduce | 10,121 | -65,659 | -86.6% | $1.7M | 0.00% |
| 2021 Q1 | 2021-05-17 | Reduce | 75,780 | -44,563 | -37.0% | $10.7M | 0.01% |
| 2020 Q4 | 2021-02-16 | Add | 120,343 | 115,143 | +2214.3% | $15.6M | 0.01% |
| 2020 Q3 | 2020-11-16 | Add | 5,200 | 839 | +19.2% | $757.0K | 0.00% |
| 2020 Q2 | 2020-08-14 | Reduce | 4,361 | -96,410 | -95.7% | $646.0K | 0.00% |
| 2020 Q1 | 2020-05-14 | Reduce | 100,771 | -17,491 | -14.8% | $11.0M | 0.03% |
| 2019 Q4 | 2020-02-14 | Reduce | 118,262 | -98,962 | -45.6% | $13.6M | 0.02% |
| 2019 Q3 | 2019-11-14 | Add | 217,224 | 63,166 | +41.0% | $17.5M | 0.03% |
| 2019 Q2 | 2019-08-15 | New | 154,058 | 154,058 | — | $11.2M | 0.02% |
| 2019 Q1 | 2019-05-14 | Sold out | — | -11,373 | -100.0% | — | — |
| 2018 Q4 | 2019-02-15 | New | 11,373 | 11,373 | — | $829.0K | 0.00% |
| 2018 Q3 | 2018-11-14 | Sold out | — | -2,182 | -100.0% | — | — |
| 2018 Q2 | 2018-08-14 | New | 2,182 | 2,182 | — | $215.0K | — |
| 2018 Q1 | 2018-05-15 | — | — | — | — | — | — |
| 2017 Q4 | 2018-02-14 | Sold out | — | -51,125 | -100.0% | — | — |
| 2017 Q3 | 2017-11-14 | New | 51,125 | 51,125 | — | $6.0M | 0.01% |
| 2017 Q2 | 2017-08-14 | Sold out | — | -11,631 | -100.0% | — | — |
| 2017 Q1 | 2017-05-15 | Reduce | 11,631 | -217,609 | -94.9% | $596.0K | 0.00% |
| 2016 Q4 | 2017-02-14 | Add | 229,240 | 217,283 | +1817.2% | $8.6M | 0.02% |
| 2016 Q3 | 2016-11-14 | New | 11,957 | 11,957 | — | $810.0K | 0.00% |
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.