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 2025
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2025. 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
- 653
- +35 vs. Q1 2025
- Shares held
- 132.1M
- +2.77M (+2.1%) vs. Q1 2025
- Total value
- $43.1B
- +$8.27B (+23.8%) vs. Q1 2025
- New holders
- 98
- 262 more added
- Sold out
- 63
- 214 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cascade Financial Partners, LLC | 627 | $204.4K | 0.02% | +627 | New |
| Sowell Financial Services LLC | 616 | $200.9K | 0.01% | +616 | New |
| Fourth Dimension Wealth, LLC | 589 | $192.1K | 0.08% | +85+16.9% | Added |
| Smartleaf Asset Management LLC | 594 | $191.8K | 0.02% | −301−33.6% | Reduced |
| Jones Financial Companies LLLP | 572 | $184.7K | 0.00% | +153+36.5% | Added |
| Fortitude Family Office, LLC | 517 | $168.6K | 0.06% | +17+3.4% | Added |
| Northwestern Mutual Wealth Management Co | 496 | $161.7K | 0.00% | −29−5.5% | Reduced |
| Volterra Technologies LP | 490 | $159.8K | 0.22% | +490 | New |
| MAI Capital Management | 488 | $159.2K | 0.00% | +41+9.2% | Added |
| Skopos Labs, Inc. | 481 | $156.6K | 0.02% | +78+19.4% | Added |
| Catalyst Capital Advisors LLC | 453 | $147.7K | 0.00% | +453 | New |
| EverSource Wealth Advisors, LLC | 437 | $142.5K | 0.01% | −18−4.0% | Reduced |
| Ostrum Asset Management | 394 | $128.5K | 0.01% | −12−3.0% | Reduced |
| Versant Capital Management, Inc | 387 | $126.2K | 0.02% | +51+15.2% | Added |
| Icon Wealth Advisors, LLC | 386 | $125.9K | 0.01% | +386 | New |
| Hantz Financial Services, Inc. | 379 | $124.0K | 0.00% | +379 | New |
| Farther Finance Advisors, LLC | 379 | $123.5K | 0.00% | +138+57.3% | Added |
| Tobam | 353 | $115.0K | 0.04% | −3,013−89.5% | Reduced |
| Walleye Trading LLC | 343 | $111.8K | 0.00% | −3,017−89.8% | Reduced |
| Covestor Ltd | 341 | $111.0K | 0.07% | −74−17.8% | Reduced |
| Horizon Investments, LLC | 340 | $110.9K | 0.00% | +340 | New |
| Ofi Invest Asset Management | 381 | $105.8K | 0.00% | +79+26.2% | Added |
| Evelyn Partners Investment Management LLP | 250 | $81.5K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 200 | $81.5K | 0.00% | −32−13.8% | Reduced |
| Geneos Wealth Management Inc. | 238 | $77.6K | 0.00% | +16+7.2% | Added |
| Larson Financial Group LLC | 222 | $72.4K | 0.00% | +23+11.6% | Added |
| Spire Wealth Management | 205 | $66.8K | 0.00% | +1+0.5% | Added |
| Anchor Investment Management, LLC | 200 | $65.2K | 0.01% | 00.0% | Unchanged |
| Concord Wealth Partners | 200 | $65.2K | 0.01% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 196 | $63.9K | 0.00% | +52+36.1% | Added |
| Huntington National Bank | 195 | $63.6K | 0.00% | −3−1.5% | Reduced |
| Bessemer Group Inc | 192 | $63.0K | 0.00% | +84+77.8% | Added |
| New York State Teachers Retirement System | 191 | $62.0K | 0.00% | −1,487−88.6% | Reduced |
| Edmond de Rothschild Holding S.A. | 188 | $61.3K | 0.00% | −130−40.9% | Reduced |
| First Horizon Advisors, Inc. | 187 | $61.0K | 0.00% | +63+50.8% | Added |
| Stephenson National Bank & Trust | 185 | $60.3K | 0.02% | +185 | New |
| Prestige Wealth Management Group LLC | 184 | $60.0K | 0.01% | −132−41.8% | Reduced |
| Washington Trust Advisors, Inc. | 182 | $59.3K | 0.00% | +7+4.0% | Added |
| Parkside Financial Bank & Trust | 179 | $58.4K | 0.01% | +44+32.6% | Added |
| Itau Unibanco Holding S.A. | 168 | $54.8K | 0.00% | −2−1.2% | Reduced |
| Capital Advisors, Ltd. LLC | 162 | $53.0K | 0.01% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 154 | $50.2K | 0.00% | +127+470.4% | Added |
| Global Retirement Partners, LLC | 151 | $49.2K | 0.00% | +151 | New |
| SRS Capital Advisors, Inc. | 150 | $48.9K | 0.00% | +65+76.5% | Added |
| Brown, Lisle/Cummings, Inc. | 132 | $43.0K | 0.01% | 00.0% | Unchanged |
| Quest Partners LLC | 132 | $43.0K | 0.00% | +132 | New |
| Ameritas Advisory Services, LLC | 128 | $41.7K | 0.00% | +128 | New |
| Mount Yale Investment Advisors, LLC | 113 | $36.8K | 0.00% | +113 | New |
| Point72 (DIFC) Ltd | 105 | $34.2K | 0.00% | −1,607−93.9% | Reduced |
| Hartford Financial Management Inc. | 100 | $32.6K | 0.01% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 100 | $32.6K | 0.01% | +10+11.1% | Added |
| Harbour Investments, Inc. | 96 | $31.3K | 0.00% | +5+5.5% | Added |
| Atlantic Union Bankshares Corp | 92 | $30.0K | 0.00% | +92 | New |
| Hemington Wealth Management | 87 | $28.0K | 0.00% | +21+31.8% | Added |
| Fifth Third Bancorp | 76 | $24.8K | 0.00% | +6+8.6% | Added |
| TFC Financial Management | 74 | $24.1K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 73 | $23.8K | 0.01% | +7+10.6% | Added |
| Whittier Trust Co | 69 | $22.5K | 0.00% | +33+91.7% | Added |
| Sierra Ocean, LLC | 68 | $22.2K | 0.02% | −3−4.2% | Reduced |
| Tower Research Capital LLC (TRC) | 64 | $20.9K | 0.00% | −1,319−95.4% | Reduced |
| MV Capital Management, Inc. | 63 | $20.5K | 0.00% | +3+5.0% | Added |
| SBI Securities Co., Ltd. | 63 | $20.5K | 0.00% | +23+57.5% | Added |
| Private Wealth Management Group, LLC | 62 | $20.2K | 0.01% | +11+21.6% | Added |
| Essential Partners LLC | 62 | $20.2K | 0.01% | +62 | New |
| CVA Family Office, LLC | 61 | $19.9K | 0.00% | +24+64.9% | Added |
| Global Trust Asset Management, LLC | 60 | $19.6K | 0.01% | −62−50.8% | Reduced |
| Truvestments Capital LLC | 57 | $18.7K | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 42 | $17.6K | 0.00% | +8+23.5% | Added |
| Whittier Trust Co of Nevada Inc | 52 | $17.0K | 0.00% | +52 | New |
| St. Johns Investment Management Company, LLC | 50 | $16.3K | 0.01% | 00.0% | Unchanged |
| Generali Asset Management SPA SGR | 50 | $16.3K | 0.00% | 00.0% | Unchanged |
| Peoples Financial Services Corp. | 50 | $16.3K | 0.01% | 00.0% | Unchanged |
| Piscataqua Savings Bank | 50 | $16.3K | 0.01% | 00.0% | Unchanged |
| Rossby Financial, LCC | 49 | $16.0K | 0.01% | +49 | New |
| LRI Investments, LLC | 48 | $15.7K | 0.00% | +48 | New |
| Westside Investment Management, Inc. | 48 | $15.5K | 0.00% | +48 | New |
| ORG Partners LLC | 47 | $15.1K | 0.00% | +11+30.6% | Added |
| J.Safra Asset Management Corp | 43 | $14.0K | 0.00% | +2+4.9% | Added |
| Private Wealth Asset Management, LLC | 42 | $13.7K | 0.00% | −5−10.6% | Reduced |
| WPG Advisers, LLC | 42 | $13.7K | 0.01% | −5−10.6% | Reduced |
| Whipplewood Advisors, LLC | 42 | $13.7K | 0.01% | −63−60.0% | Reduced |
| Aventura Private Wealth, LLC | 40 | $13.0K | 0.01% | +10+33.3% | Added |
| Avion Wealth | 38 | $12.0K | 0.00% | +20+111.1% | Added |
| Golden State Wealth Management, LLC | 36 | $11.7K | 0.00% | +36 | New |
| Bell Investment Advisors, Inc | 35 | $11.4K | 0.00% | −2−5.4% | Reduced |
| JFS Wealth Advisors, LLC | 35 | $11.4K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 35 | $11.4K | 0.00% | 00.0% | Unchanged |
| MB, Levis & Associates, LLC | 35 | $11.4K | 0.01% | +35 | New |
| Private Trust Co NA | 32 | $10.4K | 0.00% | +32 | New |
| Meeder Asset Management Inc | 31 | $10.1K | 0.00% | +5+19.2% | Added |
| TD Waterhouse Canada Inc. | 30 | $9.65K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 29 | $9.46K | 0.00% | −3−9.4% | Reduced |
| South State Corp. | 26 | $8.48K | 0.00% | +5+23.8% | Added |
| TD Capital Management LLC | 23 | $7.50K | 0.00% | +23 | New |
| Cromwell Holdings LLC | 20 | $6.52K | 0.00% | +14+233.3% | Added |
| Dogwood Wealth Management LLC | 20 | $6.35K | 0.00% | +18+900.0% | Added |
| Twin Peaks Wealth Advisors, LLC | 15 | $6.25K | 0.00% | +15 | New |
| TCTC Holdings, LLC | 19 | $6.20K | 0.00% | 00.0% | Unchanged |
| Semmax Financial Advisors Inc. | 14 | $6.15K | 0.00% | 00.0% | Unchanged |
| Riggs Asset Managment Co. Inc. | 17 | $5.54K | 0.00% | +17 | New |