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, Q1 2022
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Mar 31, 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
- 443
- +10 vs. Q4 2021
- Shares held
- 114.0M
- +1.95M (+1.7%) vs. Q4 2021
- Total value
- $18.6B
- −$367.5M (−1.9%) vs. Q4 2021
- New holders
- 68
- 154 more added
- Sold out
- 58
- 149 more reduced
2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 16,045,316 | $2.62B | 0.21% | −1,894,704−10.6% | Reduced |
| Vanguard Group Inc | 10,829,144 | $1.77B | 0.04% | +126,373+1.2% | Added |
| Baillie Gifford & Co | 10,139,729 | $1.66B | 1.16% | −477,022−4.5% | Reduced |
| BlackRock Inc. | 7,608,954 | $1.24B | 0.03% | −62,448−0.8% | Reduced |
| Wellington Management Group LLP | 7,034,487 | $1.15B | 0.20% | +190,057+2.8% | Added |
| Price T Rowe Associates Inc | 6,794,166 | $1.11B | 0.11% | +258,798+4.0% | Added |
| Capital World Investors | 5,999,674 | $979.7M | 0.17% | +5,680,728+1,781.1% | Added |
| Dodge & Cox | 5,475,668 | $894.1M | 0.54% | +44,600+0.8% | Added |
| JPMorgan Chase & Co | 2,919,015 | $476.6M | 0.06% | −53,070−1.8% | Reduced |
| State Street Corp | 2,909,490 | $475.1M | 0.02% | +59,101+2.1% | Added |
| Manufacturers Life Insurance Company, The | 1,751,063 | $286.1M | 0.19% | +48,393+2.8% | Added |
| RTW Investments, LP | 1,683,362 | $274.9M | 5.69% | −292,517−14.8% | Reduced |
| Geode Capital Management, LLC | 1,570,283 | $256.0M | 0.03% | +64,992+4.3% | Added |
| Avoro Capital Advisors LLC | 1,300,000 | $212.3M | 3.88% | +225,000+20.9% | Added |
| Norges Bank | 1,295,087 | $211.5M | 0.05% | +25,896+2.0% | Added |
| Bellevue Group AG | 1,229,563 | $200.8M | 2.33% | −105,577−7.9% | Reduced |
| American Century Companies Inc | 1,131,844 | $184.8M | 0.13% | +129,270+12.9% | Added |
| Farallon Capital Management, L.L.C. | 1,023,873 | $167.2M | 0.92% | −166,155−14.0% | Reduced |
| Casdin Capital, LLC | 1,000,000 | $163.3M | 7.32% | 00.0% | Unchanged |
| Invesco Ltd. | 968,755 | $158.2M | 0.04% | +78,665+8.8% | Added |
| Amundi | 874,950 | $142.0M | 0.10% | +620,695+244.1% | Added |
| Loomis Sayles & Co L P | 868,748 | $141.9M | 0.19% | −127,689−12.8% | Reduced |
| Morgan Stanley | 848,657 | $138.6M | 0.02% | −217,032−20.4% | Reduced |
| Holocene Advisors, LP | 799,222 | $130.5M | 0.69% | +76,483+10.6% | Added |
| Gilder Gagnon Howe & Co LLC | 791,224 | $129.2M | 1.19% | −48,344−5.8% | Reduced |
| Northern Trust Corp | 763,340 | $124.6M | 0.02% | −6,073−0.8% | Reduced |
| Legal & General Group Plc | 757,422 | $123.7M | 0.04% | +77,852+11.5% | Added |
| Goldman Sachs Group Inc | 681,553 | $111.3M | 0.03% | −5,142−0.7% | Reduced |
| Pictet Asset Management SA | 660,940 | $107.9M | 0.12% | +46,948+7.6% | Added |
| Artal Group S.A. | 650,000 | $106.1M | 4.49% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 638,868 | $104.3M | 0.02% | +36,554+6.1% | Added |
| UBS Asset Management Americas Inc | 605,165 | $98.8M | 0.04% | −35,545−5.5% | Reduced |
| Janus Henderson Group PLC | 598,448 | $97.7M | 0.05% | +97,115+19.4% | Added |
| Swiss National Bank | 518,010 | $84.6M | 0.05% | +66,300+14.7% | Added |
| Blackstone Group Inc. | 517,391 | $84.5M | 0.21% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 468,452 | $76.5M | 0.18% | −2,559−0.5% | Reduced |
| Deep Track Capital, LP | 463,663 | $75.7M | 4.89% | +463,663 | New |
| Swedbank AB | 438,356 | $71.6M | 0.13% | +1,791+0.4% | Added |
| First Trust Advisors LP | 402,652 | $65.7M | 0.07% | −104,444−20.6% | Reduced |
| TD Asset Management Inc | 392,682 | $64.1M | 0.06% | −3,791−1.0% | Reduced |
| Rockefeller Capital Management L.P. | 373,964 | $61.1M | 0.29% | −12,296−3.2% | Reduced |
| Charles Schwab Investment Management Inc | 372,623 | $60.8M | 0.02% | +9,662+2.7% | Added |
| Nuveen Asset Management, LLC | 362,035 | $58.8M | 0.02% | −228,509−38.7% | Reduced |
| Rock Springs Capital Management LP | 332,500 | $54.3M | 1.37% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 322,743 | $52.7M | 0.04% | −1,709−0.5% | Reduced |
| Eaton Vance Management | 306,228 | $50.0M | 0.06% | +262,893+606.7% | Added |
| Candriam Luxembourg S.C.A. | 303,653 | $49.6M | 0.34% | +63,082+26.2% | Added |
| Massachusetts Financial Services Co | 302,743 | $49.4M | 0.01% | −1,019,468−77.1% | Reduced |
| Deutsche Bank AG | 282,110 | $46.1M | 0.02% | +7,462+2.7% | Added |
| Bank of America Corp | 277,257 | $45.3M | 0.00% | +12,779+4.8% | Added |
| Eagle Asset Management Inc | 255,937 | $41.8M | 0.21% | +607+0.2% | Added |
| California Public Employees Retirement System | 245,603 | $40.1M | 0.03% | −64,072−20.7% | Reduced |
| Polar Capital Holdings Plc | 229,833 | $37.5M | 0.22% | −305,798−57.1% | Reduced |
| AXA S.A. | 207,896 | $33.9M | 0.10% | −5,808−2.7% | Reduced |
| California State Teachers Retirement System | 199,213 | $32.5M | 0.04% | −10,519−5.0% | Reduced |
| Franklin Resources Inc | 191,669 | $31.3M | 0.01% | −18,638−8.9% | Reduced |
| Parametric Portfolio Associates LLC | 189,206 | $30.9M | 0.02% | −16,492−8.0% | Reduced |
| New York State Common Retirement Fund | 186,700 | $30.5M | 0.03% | −941−0.5% | Reduced |
| Dimensional Fund Advisors LP | 181,271 | $29.6M | 0.01% | +2,111+1.2% | Added |
| National Pension Service | 180,898 | $29.5M | 0.05% | +5,105+2.9% | Added |
| Perceptive Advisors LLC | 180,079 | $29.4M | 0.61% | +180,079 | New |
| Handelsbanken Fonder AB | 171,400 | $28.0M | 0.16% | −16,400−8.7% | Reduced |
| Tekla Capital Management LLC | 158,606 | $25.9M | 0.91% | −31,089−16.4% | Reduced |
| Tobam | 155,585 | $25.4M | 1.28% | +73,732+90.1% | Added |
| State Board of Administration of Florida Retirement System | 145,019 | $23.7M | 0.05% | −2,974−2.0% | Reduced |
| HighTower Advisors, LLC | 134,689 | $22.0M | 0.05% | +5,036+3.9% | Added |
| International Biotechnology Trust PLC | 38,000 | $21.7M | 9.54% | −90,000−70.3% | Reduced |
| Eagle Health Investments LP | 131,244 | $21.4M | 5.28% | +17,542+15.4% | Added |
| Rhenman & Partners Asset Management AB | 130,000 | $21.2M | 2.09% | −45,000−25.7% | Reduced |
| CIBC Private Wealth Group, LLC | 120,277 | $19.6M | 0.04% | +2,025+1.7% | Added |
| Credit Suisse AG | 119,610 | $19.5M | 0.02% | +6,071+5.3% | Added |
| State of Wisconsin Investment Board | 117,519 | $19.2M | 0.04% | +24,318+26.1% | Added |
| Artisan Partners Limited Partnership | 117,345 | $19.2M | 0.03% | −121,791−50.9% | Reduced |
| Rhumbline Advisers | 115,877 | $18.9M | 0.02% | −3,955−3.3% | Reduced |
| Van Eck Associates Corp | 100,006 | $16.3M | 0.03% | +1,392+1.4% | Added |
| LMR Partners LLP | 92,114 | $15.0M | 0.22% | +69,886+314.4% | Added |
| Nicholas Investment Partners, LP | 86,164 | $14.1M | 1.00% | +86,164 | New |
| Morningstar Investment Services LLC | 83,831 | $13.9M | 0.15% | +1,264+1.5% | Added |
| Susquehanna International Group, LLP | 83,747 | $13.7M | 0.02% | −59,208−41.4% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 83,038 | $13.6M | 1.06% | +83,038 | New |
| USS Investment Management Ltd | 79,962 | $13.1M | 0.11% | +4,222+5.6% | Added |
| Barclays PLC | 79,598 | $13.0M | 0.01% | −2,367−2.9% | Reduced |
| Parnassus Investments | 77,587 | $12.7M | 0.03% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 77,559 | $12.7M | 0.07% | +1,775+2.3% | Added |
| Bank of Montreal | 73,751 | $12.4M | 0.01% | +34,267+86.8% | Added |
| Two Sigma Investments, LP | 73,949 | $12.1M | 0.04% | +73,949 | New |
| Aviva PLC | 73,040 | $11.9M | 0.06% | +34,823+91.1% | Added |
| Adage Capital Partners GP, L.L.C. | 72,300 | $11.8M | 0.02% | −60,000−45.4% | Reduced |
| State of New Jersey Common Pension Fund D | 71,899 | $11.7M | 0.04% | 00.0% | Unchanged |
| Jane Street Group, LLC | 67,563 | $11.0M | 0.02% | −48,394−41.7% | Reduced |
| BNP Paribas Arbitrage, SA | 66,700 | $10.9M | 0.02% | +681+1.0% | Added |
| Teachers Retirement System of the State of Kentucky | 66,123 | $10.8M | 0.11% | +7,997+13.8% | Added |
| Great West Life Assurance Co | 62,369 | $10.8M | 0.02% | +10,892+21.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 65,572 | $10.7M | 0.02% | −9,597−12.8% | Reduced |
| Wells Fargo & Company | 64,309 | $10.5M | 0.00% | +19,142+42.4% | Added |
| Millennium Management LLC | 63,957 | $10.4M | 0.01% | −19,460−23.3% | Reduced |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 63,945 | $10.4M | 0.48% | +63,945 | New |
| Public Employees Retirement System of Ohio | 63,361 | $10.3M | 0.04% | −1,430−2.2% | Reduced |
| Nomura Asset Management Co Ltd | 62,910 | $10.3M | 0.06% | −617−1.0% | Reduced |
| Korea Investment CORP | 61,623 | $10.1M | 0.02% | −1,439−2.3% | Reduced |