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 2026
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2026. 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
- 794
- +8 vs. Q1 2026
- Shares held
- 133.4M
- +2.17M (+1.7%) vs. Q1 2026
- Total value
- $40.1B
- −$3.18B (−7.4%) vs. Q1 2026
- New holders
- 88
- 322 more added
- Sold out
- 80
- 285 more reduced
7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Silvercrest Asset Management Group LLC | 0 | $0 | 0.00% | −10,429−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −5,810−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −5,005−100.0% | Sold out |
| Draper Asset Management, LLC | 0 | $0 | 0.00% | −3,773−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −3,500−100.0% | Sold out |
| Sanders Morris Harris LLC | 0 | $0 | 0.00% | −3,150−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −2,990−100.0% | Sold out |
| Private Advisory Group LLC | 0 | $0 | 0.00% | −2,729−100.0% | Sold out |
| Hunting Hill Global Capital, LLC | 0 | $0 | 0.00% | −2,034−100.0% | Sold out |
| Elm Partners Management LLC | 0 | $0 | 0.00% | −2,043−100.0% | Sold out |
| Unique Wealth Strategies, LLC | 0 | $0 | 0.00% | −1,854−100.0% | Sold out |
| Kepler Cheuvreux (Suisse) SA | 0 | $0 | 0.00% | −1,713−100.0% | Sold out |
| Independent Advisor Alliance | 0 | $0 | 0.00% | −1,602−100.0% | Sold out |
| Qtron Investments LLC | 0 | $0 | 0.00% | −1,471−100.0% | Sold out |
| Altfest L J & Co Inc | 0 | $0 | 0.00% | −1,317−100.0% | Sold out |
| Perbak Capital Partners LLP | 0 | $0 | 0.00% | −1,205−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −1,190−100.0% | Sold out |
| Lido Advisors, LLC | 0 | $0 | 0.00% | −1,180−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −1,073−100.0% | Sold out |
| Cookson Peirce & Co Inc | 0 | $0 | 0.00% | −1,060−100.0% | Sold out |
| Wealth Alliance | 0 | $0 | 0.00% | −1,016−100.0% | Sold out |
| Oversea-Chinese Banking CORP Ltd | 0 | $0 | 0.00% | −973−100.0% | Sold out |
| Net Worth Advisory Group | 0 | $0 | 0.00% | −920−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −898−100.0% | Sold out |
| Daymark Wealth Partners, LLC | 0 | $0 | 0.00% | −768−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −731−100.0% | Sold out |
| Perfromance Wealth Partners, LLC | 0 | $0 | 0.00% | −725−100.0% | Sold out |
| Ashton Thomas Securities, LLC | 0 | $0 | 0.00% | −696−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −693−100.0% | Sold out |
| Modern Wealth Management, LLC | 0 | $0 | 0.00% | −696−100.0% | Sold out |
| Sentinus, LLC | 0 | $0 | 0.00% | −658−100.0% | Sold out |
| Camden Capital, LLC | 0 | $0 | 0.00% | −654−100.0% | Sold out |
| PCM Encore, LLC | 0 | $0 | 0.00% | −651−100.0% | Sold out |
| Drive Wealth Management, LLC | 0 | $0 | 0.00% | −639−100.0% | Sold out |
| Independent Financial Group, LLC | 0 | $0 | 0.00% | −630−100.0% | Sold out |
| Ascent Group, LLC | 0 | $0 | 0.00% | −627−100.0% | Sold out |
| Waddell & Associates, LLC | 0 | $0 | 0.00% | −618−100.0% | Sold out |
| Wealth Science Advisors LLC | 0 | $0 | 0.00% | −396−100.0% | Sold out |
| Opal Wealth Advisors, LLC | 0 | $0 | 0.00% | −183−100.0% | Sold out |
| Timothy G. Youngquist 2020 Irrevocable Trust | 0 | $0 | 0.00% | −147−100.0% | Sold out |
| Stephenson National Bank & Trust | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| Hilltop National Bank | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −79−100.0% | Sold out |
| RWM Asset Management, LLC | 0 | $0 | 0.00% | −77−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −71−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −57−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| Independence Bank of Kentucky | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Rachor Investment Advisory Services, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Eastern Bank | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Arlington Trust Co LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Sachetta, LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Swiss Re Ltd | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| First Pacific Financial | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Curio Wealth, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| RMG Wealth Management LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Clear Investment Research, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Intentional Wealth Strategies, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| NBT Bank N A | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Triumph Capital Management | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Wall Street Financial Group, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Greykasell Wealth Strategies, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Strategic Wealth Partners, Ltd. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| CX Institutional | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Vermillion Wealth Management, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Rosenberg Matthew Hamilton | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Addison Advisors LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| TopTier Wealth Management, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vision Retirement, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| U.S. Capital Wealth Advisors, LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| First Affirmative Financial Network | – | – | – | – | Not filed |
| Evelyn Partners Investment Management LLP | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |