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, Q2 2021
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2021. 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
- 401
- +11 vs. Q1 2021
- Shares held
- 112.3M
- +3.08M (+2.8%) vs. Q1 2021
- Total value
- $19.0B
- +$3.63B (+23.5%) vs. Q1 2021
- New holders
- 55
- 139 more added
- Sold out
- 44
- 133 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 17,631,729 | $2.99B | 0.23% | +81,828+0.5% | Added |
| Putnam Investments LLC | 0 | $0 | 0.00% | −82,300−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −36,619−100.0% | Sold out |
| State of Alaska, Department of Revenue | 0 | $0 | 0.00% | −34,017−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −31,900−100.0% | Sold out |
| Karani Asset Management LLC | 0 | $0 | 0.00% | −31,587−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −19,022−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −12,039−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −6,565−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −6,447−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −5,170−100.0% | Sold out |
| OPSEU Pension Plan Trust Fund | 0 | $0 | 0.00% | −4,610−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −4,194−100.0% | Sold out |
| AGF Investments LLC | 0 | $0 | 0.00% | −4,132−100.0% | Sold out |
| Voya Financial Advisors, Inc. | 0 | $0 | 0.00% | −4,157−100.0% | Sold out |
| Fiera Capital Corp | 0 | $0 | 0.00% | −3,700−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −3,110−100.0% | Sold out |
| Echo Street Capital Management LLC | 0 | $0 | 0.00% | −3,019−100.0% | Sold out |
| Asahi Life Asset Management Co., Ltd. | 0 | $0 | 0.00% | −2,610−100.0% | Sold out |
| Financial Counselors Inc | 0 | $0 | 0.00% | −2,578−100.0% | Sold out |
| E. Ohman J:or Asset Management AB | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −1,980−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −1,914−100.0% | Sold out |
| Mutual of America Capital Management LLC | 0 | $0 | 0.00% | −1,863−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −1,714−100.0% | Sold out |
| Caisse de Depot Et Placement du Quebec | 0 | $0 | 0.00% | −1,687−100.0% | Sold out |
| Alphasimplex Group, LLC | 0 | $0 | 0.00% | −1,508−100.0% | Sold out |
| Security National Bank of So Dak | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −1,442−100.0% | Sold out |
| Phoenix Holdings Ltd. | 0 | $0 | 0.00% | −1,490−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −771−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −550−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −465−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −406−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −333−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −268−100.0% | Sold out |
| Column Capital Advisors, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Ameritas Investment Company, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Moisand Fitzgerald Tamayo, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Credential Qtrade Securities Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Turim 21 Investimentos Ltda. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Amundi Asset Management US, Inc. | – | – | – | – | Not filed |