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 |
|---|---|---|---|---|---|
| Fiduciary Trust Co | 666 | $200.4K | 0.00% | −17−2.5% | Reduced |
| Reuter James Wealth Management, LLC | 665 | $200.2K | 0.03% | −26−3.8% | Reduced |
| Plante Moran Financial Advisors, LLC | 636 | $191.5K | 0.01% | +1+0.2% | Added |
| Quarry LP | 634 | $190.9K | 0.03% | −332−34.4% | Reduced |
| Acadian Asset Management LLC | 621 | $186.0K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 613 | $184.5K | 0.00% | +288+88.6% | Added |
| Quadrant Capital Group LLC | 606 | $182.4K | 0.00% | −5−0.8% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 538 | $162.0K | 0.05% | +70+15.0% | Added |
| EverSource Wealth Advisors, LLC | 531 | $159.8K | 0.01% | −109−17.0% | Reduced |
| Fortitude Family Office, LLC | 523 | $157.4K | 0.03% | +1+0.2% | Added |
| Central Pacific Bank - Trust Division | 515 | $155.0K | 0.02% | −1,898−78.7% | Reduced |
| Align Financial, LLC | 500 | $150.5K | 0.07% | 00.0% | Unchanged |
| Leonteq Securities AG | 484 | $145.7K | 0.01% | +236+95.2% | Added |
| IFP Advisors, Inc | 478 | $143.9K | 0.00% | −4−0.8% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 434 | $130.6K | 0.00% | −59,266−99.3% | Reduced |
| Avanza Fonder AB | 399 | $120.1K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 390 | $117.4K | 0.01% | −112−22.3% | Reduced |
| Park Place Capital Corp | 328 | $98.7K | 0.02% | +38+13.1% | Added |
| Umb Bank N A | 285 | $85.8K | 0.00% | +94+49.2% | Added |
| Pinnacle Wealth Planning Services, Inc. | 278 | $83.5K | 0.01% | −228−45.1% | Reduced |
| Essential Partners LLC | 252 | $75.9K | 0.03% | +152+152.0% | Added |
| Covestor Ltd | 249 | $75.0K | 0.04% | +38+18.0% | Added |
| Ronald Blue Trust, Inc. | 224 | $67.4K | 0.00% | −42−15.8% | Reduced |
| Clearstead Advisors, LLC | 224 | $67.4K | 0.00% | +108+93.1% | Added |
| Prestige Wealth Management Group LLC | 201 | $60.5K | 0.01% | −25−11.1% | Reduced |
| Spire Wealth Management | 201 | $60.5K | 0.00% | +1+0.5% | Added |
| Concord Wealth Partners | 200 | $60.2K | 0.01% | +200 | New |
| Whittier Trust Co of Nevada Inc | 184 | $59.2K | 0.00% | −35−16.0% | Reduced |
| Atlantic Union Bankshares Corp | 196 | $59.0K | 0.00% | −50−20.3% | Reduced |
| Massmutual Trust Co FSB | 196 | $59.0K | 0.00% | −2−1.0% | Reduced |
| SBI Securities Co., Ltd. | 176 | $53.0K | 0.00% | +120+214.3% | Added |
| Evelyn Partners Group Ltd | 175 | $52.7K | 0.00% | +175 | New |
| Brown, Lisle/Cummings, Inc. | 164 | $49.4K | 0.01% | +2+1.2% | Added |
| Capital Advisors, Ltd. LLC | 162 | $49.0K | 0.00% | −1−0.6% | Reduced |
| First Command Advisory Services, Inc. | 157 | $47.3K | 0.00% | +145+1,208.3% | Added |
| Owl Creek Wealth Partners LLC | 150 | $45.2K | 0.01% | +20+15.4% | Added |
| Harbour Investments, Inc. | 150 | $45.1K | 0.00% | −1−0.7% | Reduced |
| Bokf, NA | 148 | $44.6K | 0.00% | −194−56.7% | Reduced |
| Itau Unibanco Holding S.A. | 146 | $44.0K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 139 | $41.8K | 0.01% | +12+9.4% | Added |
| Steward Partners Investment Advisory, LLC | 138 | $41.4K | 0.00% | −1,445−91.3% | Reduced |
| Rossby Financial, LCC | 136 | $40.9K | 0.01% | −7−4.9% | Reduced |
| Huntington National Bank | 127 | $38.2K | 0.00% | +8+6.7% | Added |
| 1620 Investment Advisors, Inc. | 122 | $36.7K | 0.02% | +122 | New |
| Basecamp Wealth Advisors LLC | 121 | $36.4K | 0.01% | −29−19.3% | Reduced |
| Bessemer Group Inc | 116 | $35.0K | 0.00% | −6−4.9% | Reduced |
| First Horizon Corp | 114 | $34.3K | 0.00% | +1+0.9% | Added |
| SHP Wealth Management | 112 | $33.7K | 0.00% | −2−1.8% | Reduced |
| Salomon & Ludwin, LLC | 111 | $33.5K | 0.00% | +33+42.3% | Added |
| Colonial Trust Co | 106 | $31.8K | 0.00% | +3+2.9% | Added |
| Golden State Equity Partners | 100 | $30.1K | 0.08% | −94−48.5% | Reduced |
| Hartford Financial Management Inc. | 100 | $30.1K | 0.01% | 00.0% | Unchanged |
| Beacon Investment Advisory Services, Inc. | 99 | $29.8K | 0.00% | −111−52.9% | Reduced |
| Whittier Trust Co | 94 | $29.4K | 0.00% | +4+4.4% | Added |
| Perkins Coie Trust Co | 97 | $29.2K | 0.00% | −137−58.5% | Reduced |
| CVA Family Office, LLC | 96 | $28.9K | 0.00% | +4+4.3% | Added |
| Westside Investment Management, Inc. | 96 | $28.9K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 95 | $28.6K | 0.01% | +19+25.0% | Added |
| Parkside Financial Bank & Trust | 91 | $27.4K | 0.00% | −10−9.9% | Reduced |
| Cornerstone Planning Group LLC | 97 | $25.9K | 0.00% | −3−3.0% | Reduced |
| Manchester Capital Management LLC | 83 | $25.0K | 0.00% | −3−3.5% | Reduced |
| Private Trust Co NA | 79 | $23.8K | 0.00% | +23+41.1% | Added |
| Aventura Private Wealth, LLC | 78 | $23.5K | 0.01% | +38+95.0% | Added |
| Brown Brothers Harriman & Co | 76 | $22.9K | 0.00% | +21+38.2% | Added |
| TFC Financial Management | 72 | $21.7K | 0.00% | 00.0% | Unchanged |
| LRI Investments, LLC | 69 | $20.8K | 0.00% | −4−5.5% | Reduced |
| McDonald Partners LLC | 69 | $20.8K | 0.01% | +69 | New |
| MV Capital Management, Inc. | 66 | $19.9K | 0.00% | +2+3.1% | Added |
| Optiver Holding B.V. | 64 | $19.3K | 0.00% | +64 | New |
| Private Wealth Management Group, LLC | 62 | $18.7K | 0.00% | −1−1.6% | Reduced |
| TD Private Client Wealth LLC | 61 | $18.4K | 0.00% | +2+3.4% | Added |
| Truvestments Capital LLC | 60 | $18.1K | 0.00% | 00.0% | Unchanged |
| Global Trust Asset Management, LLC | 59 | $17.8K | 0.01% | −1−1.7% | Reduced |
| Kemnay Advisory Services Inc. | 56 | $16.9K | 0.00% | +3+5.7% | Added |
| Quent Capital, LLC | 50 | $15.1K | 0.00% | −17−25.4% | Reduced |
| St. Johns Investment Management Company, LLC | 50 | $15.1K | 0.01% | 00.0% | Unchanged |
| BFSG, LLC | 50 | $15.1K | 0.00% | 00.0% | Unchanged |
| Catalyst Capital Advisors LLC | 50 | $15.1K | 0.00% | +11+28.2% | Added |
| Peoples Financial Services Corp. | 50 | $15.1K | 0.01% | 00.0% | Unchanged |
| Piscataqua Savings Bank | 50 | $15.1K | 0.01% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 49 | $14.8K | 0.00% | −4−7.5% | Reduced |
| JPL Wealth Management, LLC | 48 | $14.5K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 46 | $13.8K | 0.00% | +7+17.9% | Added |
| Capital Advisor Network LLC | 46 | $13.8K | 0.02% | +46 | New |
| Community Financial Services Group, LLC | 45 | $13.6K | 0.00% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 43 | $12.9K | 0.01% | +23+115.0% | Added |
| Private Wealth Asset Management, LLC | 41 | $12.3K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 40 | $12.0K | 0.00% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 38 | $11.4K | 0.00% | +38 | New |
| SOA Wealth Advisors, LLC. | 36 | $10.8K | 0.00% | 00.0% | Unchanged |
| Godsey & Gibb Associates | 32 | $9.63K | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 31 | $9.33K | 0.00% | +14+82.4% | Added |
| Dogwood Wealth Management LLC | 30 | $9.03K | 0.00% | +17+130.8% | Added |
| Avion Wealth | 32 | $9.00K | 0.00% | −16−33.3% | Reduced |
| WPG Advisers, LLC | 29 | $8.73K | 0.01% | 00.0% | Unchanged |
| Action Point Financial Planning, LLC | 30 | $8.73K | 0.00% | +30 | New |
| Rialto Wealth Management, LLC | 27 | $8.27K | 0.00% | +22+440.0% | Added |
| Cape Investment Advisory, Inc. | 27 | $8.13K | 0.00% | +27 | New |
| Silver Grove Financial Group, Inc. | 27 | $8.13K | 0.00% | +27 | New |
| Mather Group, LLC. | 26 | $7.88K | 0.00% | +15+136.4% | Added |