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, Q3 2022
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 30, 2022. 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
- 497
- +77 vs. Q2 2022
- Shares held
- 133.4M
- +19.9M (+17.5%) vs. Q2 2022
- Total value
- $26.7B
- +$10.1B (+61.3%) vs. Q2 2022
- New holders
- 117
- 171 more added
- Sold out
- 40
- 151 more reduced
4 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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, Q3 2022
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nuveen Asset Management, LLC | 16,593,268 | $3.32B | 1.35% | +16,296,223+5,486.1% | Added |
| Capital World Investors | 13,949,647 | $2.79B | 0.63% | +3,658,635+35.6% | Added |
| FMR LLC | 12,949,758 | $2.59B | 0.27% | −1,374,991−9.6% | Reduced |
| Vanguard Group Inc | 11,053,308 | $2.21B | 0.07% | +10,870+0.1% | Added |
| Baillie Gifford & Co | 9,514,758 | $1.90B | 1.96% | −453,676−4.6% | Reduced |
| BlackRock Inc. | 7,668,678 | $1.53B | 0.05% | +6,003+0.1% | Added |
| Wellington Management Group LLP | 5,954,293 | $1.19B | 0.25% | +141,423+2.4% | Added |
| Dodge & Cox | 4,889,297 | $978.6M | 0.74% | −369,659−7.0% | Reduced |
| Price T Rowe Associates Inc | 3,720,606 | $744.7M | 0.12% | −3,276,476−46.8% | Reduced |
| T. Rowe Price Investment Management, Inc. | 3,192,184 | $638.9M | 0.51% | +3,192,184 | New |
| State Street Corp | 2,795,485 | $559.5M | 0.04% | −193,374−6.5% | Reduced |
| JPMorgan Chase & Co | 2,545,032 | $509.4M | 0.08% | +261,395+11.4% | Added |
| Capital International Investors | 1,946,714 | $389.7M | 0.11% | +312,477+19.1% | Added |
| RTW Investments, LP | 1,683,362 | $336.9M | 7.77% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,599,474 | $319.9M | 0.05% | +26,771+1.7% | Added |
| Morgan Stanley | 1,498,759 | $300.0M | 0.04% | +370,144+32.8% | Added |
| Norges Bank | 1,218,184 | $243.8M | 0.06% | −66,593−5.2% | Reduced |
| Amundi | 1,195,909 | $240.4M | 0.14% | +289,375+31.9% | Added |
| Avoro Capital Advisors LLC | 1,105,000 | $221.2M | 4.09% | −255,000−18.8% | Reduced |
| Bellevue Group AG | 956,762 | $191.5M | 2.75% | −101,424−9.6% | Reduced |
| Manufacturers Life Insurance Company, The | 910,560 | $183.0M | 0.13% | −745,275−45.0% | Reduced |
| Legal & General Group Plc | 754,492 | $151.0M | 0.06% | −24,456−3.1% | Reduced |
| Loomis Sayles & Co L P | 747,750 | $149.7M | 0.30% | −80,329−9.7% | Reduced |
| Invesco Ltd. | 737,830 | $147.7M | 0.05% | +568,999+337.0% | Added |
| Northern Trust Corp | 733,992 | $146.9M | 0.03% | −2,945−0.4% | Reduced |
| American Century Companies Inc | 693,007 | $138.7M | 0.12% | +118,066+20.5% | Added |
| Pictet Asset Management SA | 675,809 | $135.3M | 0.20% | −5,180−0.8% | Reduced |
| Gilder Gagnon Howe & Co LLC | 663,983 | $132.9M | 2.32% | −90,592−12.0% | Reduced |
| Casdin Capital, LLC | 648,000 | $129.7M | 8.56% | −157,000−19.5% | Reduced |
| Holocene Advisors, LP | 643,649 | $128.8M | 0.83% | +643,649 | New |
| UBS Asset Management Americas Inc | 603,532 | $120.8M | 0.07% | +10,310+1.7% | Added |
| Janus Henderson Group PLC | 574,504 | $115.0M | 0.09% | +124,791+27.7% | Added |
| Bank of New York Mellon Corp | 567,138 | $113.5M | 0.03% | −108,017−16.0% | Reduced |
| Massachusetts Financial Services Co | 535,599 | $107.2M | 0.04% | +191,310+55.6% | Added |
| Swiss National Bank | 523,610 | $104.8M | 0.07% | +2,200+0.4% | Added |
| Lord, Abbett & Co. LLC | 519,132 | $103.9M | 0.38% | +519,132 | New |
| First Trust Advisors LP | 494,932 | $99.1M | 0.13% | +95,067+23.8% | Added |
| Adage Capital Partners GP, L.L.C. | 485,000 | $97.1M | 0.24% | +315,000+185.3% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 474,648 | $95.0M | 0.27% | +572+0.1% | Added |
| Goldman Sachs Group Inc | 465,307 | $93.1M | 0.03% | −12,067−2.5% | Reduced |
| Farallon Capital Management, L.L.C. | 428,456 | $85.8M | 0.52% | −359,454−45.6% | Reduced |
| Swedbank AB | 416,060 | $83.3M | 0.20% | −23,152−5.3% | Reduced |
| TD Asset Management Inc | 384,811 | $80.6M | 0.10% | −15,457−3.9% | Reduced |
| 1832 Asset Management L.P. | 387,145 | $77.5M | 0.17% | +386,600+70,935.8% | Added |
| Charles Schwab Investment Management Inc | 378,865 | $75.8M | 0.03% | +2,568+0.7% | Added |
| Candriam Luxembourg S.C.A. | 353,048 | $70.7M | 0.50% | +9,835+2.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 338,685 | $67.8M | 0.06% | +843+0.2% | Added |
| Rock Springs Capital Management LP | 332,500 | $66.6M | 1.72% | 00.0% | Unchanged |
| Eaton Vance Management | 307,288 | $61.5M | 0.09% | +537+0.2% | Added |
| Avidity Partners Management LP | 288,500 | $57.7M | 1.26% | +288,500 | New |
| Jane Street Group, LLC | 272,989 | $54.6M | 0.10% | +143,137+110.2% | Added |
| California Public Employees Retirement System | 269,760 | $54.0M | 0.05% | +33,205+14.0% | Added |
| Eagle Asset Management Inc | 263,520 | $52.7M | 0.34% | +2,217+0.8% | Added |
| Deutsche Bank AG | 253,684 | $50.8M | 0.03% | +6,437+2.6% | Added |
| OrbiMed Advisors LLC | 250,500 | $50.1M | 1.00% | +250,500 | New |
| Bank of America Corp | 237,809 | $47.6M | 0.01% | −4,288−1.8% | Reduced |
| Natixis | 226,034 | $45.3M | 0.21% | +218,295+2,820.7% | Added |
| Two Sigma Investments, LP | 216,712 | $43.4M | 0.15% | +216,712 | New |
| California State Teachers Retirement System | 198,351 | $39.7M | 0.07% | −1,620−0.8% | Reduced |
| AXA S.A. | 187,840 | $37.6M | 0.15% | −10,618−5.4% | Reduced |
| Citigroup Inc | 184,030 | $36.8M | 0.05% | +44,038+31.5% | Added |
| Dimensional Fund Advisors LP | 176,266 | $35.3M | 0.01% | +2,841+1.6% | Added |
| Millennium Management LLC | 172,770 | $34.6M | 0.04% | +168,318+3,780.7% | Added |
| National Pension Service | 156,987 | $32.9M | 0.07% | −23,911−13.2% | Reduced |
| Eagle Health Investments LP | 161,716 | $32.4M | 7.43% | +12,336+8.3% | Added |
| Franklin Resources Inc | 159,295 | $31.9M | 0.02% | +3,185+2.0% | Added |
| D. E. Shaw & Co., Inc. | 151,144 | $30.3M | 0.05% | +15,221+11.2% | Added |
| New York State Common Retirement Fund | 148,018 | $29.6M | 0.04% | −5,106−3.3% | Reduced |
| Tekla Capital Management LLC | 143,214 | $28.7M | 1.17% | +14,800+11.5% | Added |
| Barclays PLC | 141,354 | $28.3M | 0.03% | +15,233+12.1% | Added |
| State Board of Administration of Florida Retirement System | 138,792 | $27.8M | 0.07% | +195+0.1% | Added |
| Rhumbline Advisers | 136,685 | $27.4M | 0.04% | +8,174+6.4% | Added |
| Handelsbanken Fonder AB | 127,593 | $25.5M | 0.17% | −44,407−25.8% | Reduced |
| HighTower Advisors, LLC | 126,864 | $25.4M | 0.07% | −4,438−3.4% | Reduced |
| CIBC Private Wealth Group, LLC | 119,408 | $23.9M | 0.06% | +3,166+2.7% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 116,439 | $23.3M | 0.19% | +25,905+28.6% | Added |
| Polar Capital Holdings Plc | 115,000 | $23.0M | 0.19% | −98,079−46.0% | Reduced |
| Credit Suisse AG | 113,509 | $22.7M | 0.03% | −1,184−1.0% | Reduced |
| Cubist Systematic Strategies, LLC | 102,814 | $20.6M | 0.15% | +96,603+1,555.4% | Added |
| Tobam | 100,865 | $20.2M | 1.41% | −79,236−44.0% | Reduced |
| Novo Holdings A/S | 100,000 | $20.0M | 0.96% | +15,200+17.9% | Added |
| Tang Capital Management LLC | 100,000 | $20.0M | 2.45% | +100,000 | New |
| Senator Investment Group LP | 100,000 | $20.0M | 1.82% | +100,000 | New |
| DekaBank Deutsche Girozentrale | 88,391 | $18.4M | 0.05% | +18,804+27.0% | Added |
| State of Wisconsin Investment Board | 90,369 | $18.1M | 0.06% | −151,208−62.6% | Reduced |
| BNP Paribas Arbitrage, SA | 89,350 | $17.9M | 0.05% | +32,229+56.4% | Added |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 88,910 | $17.8M | 1.02% | +88,910 | New |
| Aviva PLC | 87,475 | $17.5M | 0.10% | +4,610+5.6% | Added |
| Voya Investment Management LLC | 85,694 | $17.2M | 0.02% | +34,493+67.4% | Added |
| Treasurer of the State of North Carolina | 84,487 | $16.9M | 0.11% | +500+0.6% | Added |
| Bessemer Group Inc | 84,280 | $16.9M | 0.04% | +84,256+351,066.7% | Added |
| Citadel Advisors LLC | 82,572 | $16.5M | 0.02% | +74,878+973.2% | Added |
| Iron Triangle Partners LP | 80,000 | $16.0M | 2.80% | +80,000 | New |
| Rhenman & Partners Asset Management AB | 75,000 | $15.5M | 1.63% | 00.0% | Unchanged |
| USS Investment Management Ltd | 76,803 | $15.4M | 0.24% | −363−0.5% | Reduced |
| Alliancebernstein L.P. | 74,968 | $15.0M | 0.01% | −600,039−88.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 72,691 | $14.6M | 0.04% | +4,920+7.3% | Added |
| Twin Tree Management, LP | 72,861 | $14.6M | 0.40% | +63,421+671.8% | Added |
| State of New Jersey Common Pension Fund D | 72,232 | $14.5M | 0.06% | −727−1.0% | Reduced |
| Putnam Investments LLC | 72,194 | $14.4M | 0.03% | +43,294+149.8% | Added |