Alnylam Pharmaceuticals, Inc.
ALNY- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001178670
No open-market purchases or sales by Alnylam Pharmaceuticals, Inc. insiders were filed in the last 90 days; 794 institutions reported holding it in 13F filings for Q2 2026, worth $40.1B in total; no superinvestor holds it.
13F holders, Q1 2024
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 499
- +6 vs. Q4 2023
- Shares held
- 114.8M
- −2.25M (−1.9%) vs. Q4 2023
- Total value
- $17.2B
- −$5.24B (−23.4%) vs. Q4 2023
- New holders
- 71
- 204 more added
- Sold out
- 65
- 151 more reduced
8 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALNY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 794 | $40.1B |
| Q1 2026 | 793 | $43.4B |
| Q4 2025 | 852 | $52.7B |
| Q3 2025 | 823 | $59.2B |
| Q2 2025 | 653 | $43.1B |
| Q1 2025 | 625 | $34.8B |
| Q4 2024 | 594 | $30.1B |
| Q3 2024 | 569 | $34.1B |
| Q2 2024 | 525 | $29.1B |
| Q1 2024 | 499 | $17.2B |
| Q4 2023 | 501 | $22.4B |
| Q3 2023 | 454 | $20.9B |
| Q2 2023 | 477 | $22.5B |
| Q1 2023 | 478 | $24.0B |
| Q4 2022 | 489 | $28.4B |
| Q3 2022 | 497 | $26.7B |
| Q2 2022 | 424 | $16.6B |
| Q1 2022 | 443 | $18.6B |
| Q4 2021 | 435 | $19.0B |
| Q3 2021 | 407 | $21.1B |
| Q2 2021 | 401 | $19.0B |
| Q1 2021 | 391 | $15.4B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Massachusetts Financial Services Co | 0 | $0 | 0.00% | −112,240−100.0% | Sold out |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −79,400−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −64,096−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −38,988−100.0% | Sold out |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −36,230−100.0% | Sold out |
| Andra AP-fonden | 0 | $0 | 0.00% | −35,500−100.0% | Sold out |
| Segantii Capital Management Ltd | 0 | $0 | 0.00% | −32,950−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −13,797−100.0% | Sold out |
| Saturn V Capital Management LLC | 0 | $0 | 0.00% | −10,327−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −5,916−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −5,270−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −4,635−100.0% | Sold out |
| Bank Julius Baer & Co. Ltd, Zurich | 0 | $0 | 0.00% | −4,572−100.0% | Sold out |
| Mach-1 Financial Group, Inc. | 0 | $0 | 0.00% | −4,393−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −4,254−100.0% | Sold out |
| Swiss Life Asset Management Ltd | 0 | $0 | 0.00% | −3,410−100.0% | Sold out |
| D.A. Davidson & Co. | 0 | $0 | 0.00% | −3,098−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −2,946−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,916−100.0% | Sold out |
| Impax Asset Management Group plc | 0 | $0 | 0.00% | −2,587−100.0% | Sold out |
| Oracle Alpha Inc. | 0 | $0 | 0.00% | −2,111−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −1,966−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −1,951−100.0% | Sold out |
| JGP Global Gestao de Recursos Ltda. | 0 | $0 | 0.00% | −1,850−100.0% | Sold out |
| VELA Investment Management, LLC | 0 | $0 | 0.00% | −1,818−100.0% | Sold out |
| Prime Capital Investment Advisors, LLC | 0 | $0 | 0.00% | −1,716−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −1,705−100.0% | Sold out |
| Systematic Portfolios LLC | 0 | $0 | 0.00% | −1,636−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −1,616−100.0% | Sold out |
| Semanteon Capital Management, LP | 0 | $0 | 0.00% | −1,609−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −1,574−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −1,552−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −1,406−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −1,348−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| DCF Advisers, LLC | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| Lakeview Capital Partners, LLC | 0 | $0 | 0.00% | −1,230−100.0% | Sold out |
| Ballentine Partners, LLC | 0 | $0 | 0.00% | −1,221−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −1,220−100.0% | Sold out |
| Coastline Trust Co | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Symmetry Partners, LLC | 0 | $0 | 0.00% | −1,144−100.0% | Sold out |
| QRG Capital Management, Inc. | 0 | $0 | 0.00% | −1,101−100.0% | Sold out |
| Fort Sheridan Advisors LLC | 0 | $0 | 0.00% | −1,078−100.0% | Sold out |
| Crossmark Global Holdings, Inc. | 0 | $0 | 0.00% | −1,066−100.0% | Sold out |
| Avitas Wealth Management LLC | 0 | $0 | 0.00% | −1,065−100.0% | Sold out |
| Itau Unibanco Holding S.A. | 0 | $0 | 0.00% | −693−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | – | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −299−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −146−100.0% | Sold out |
| Ofi Invest Asset Management | 0 | $0 | 0.00% | −143−100.0% | Sold out |
| Central Trust Co | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Tennessee Valley Asset Management Partners | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Turtle Creek Wealth Advisors, LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Laffer Tengler Investments | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Colonial Trust Co | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Raleigh Capital Management Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Able Wealth Management LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Cornerstone Planning Group LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Putnam Investments LLC | – | – | – | – | Not filed |
| Aware Super Pty Ltd as trustee of Aware Super | – | – | – | – | Not filed |
| Spectrum Planning & Advisory Services Inc. | – | – | – | – | Not filed |
| AtonRa Partners | – | – | – | – | Not filed |
| Sawtooth Solutions, LLC | – | – | – | – | Not filed |
| Baystate Wealth Management LLC | – | – | – | – | Not filed |
| Desjardins Global Asset Management Inc. | – | – | – | – | Not filed |
| Coppell Advisory Solutions LLC | – | – | – | – | Not filed |