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 |
|---|---|---|---|---|---|
| Cubist Systematic Strategies, LLC | 28,200 | $4.61M | 0.04% | +10,534+59.6% | Added |
| Principal Financial Group Inc | 28,465 | $4.65M | 0.00% | −1,557−5.2% | Reduced |
| Voloridge Investment Management, LLC | 29,380 | $4.80M | 0.03% | +29,380 | New |
| Jacobs Levy Equity Management, Inc | 31,274 | $5.11M | 0.03% | −36,472−53.8% | Reduced |
| Envestnet Asset Management Inc | 31,420 | $5.13M | 0.00% | −2,893−8.4% | Reduced |
| Majedie Asset Management Ltd | 31,529 | $5.14M | 0.42% | +31,529 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 31,637 | $5.17M | 0.02% | +1,918+6.5% | Added |
| Twin Tree Management, LP | 31,784 | $5.19M | 0.10% | +31,784 | New |
| Raymond James & Associates | 33,060 | $5.40M | 0.00% | −10,443−24.0% | Reduced |
| Arizona State Retirement System | 33,292 | $5.44M | 0.04% | +933+2.9% | Added |
| Federation des caisses Desjardins du Quebec | 33,575 | $5.48M | 0.05% | +1,129+3.5% | Added |
| Sabadell Asset Management, S.A S.G.I.I.C | 34,532 | $5.60M | 0.97% | +34,532 | New |
| Erste Asset Management GmbH | 35,930 | $5.94M | 0.11% | −870−2.4% | Reduced |
| Ensign Peak Advisors, Inc | 36,430 | $5.95M | 0.01% | −4,330−10.6% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 36,615 | $5.98M | 0.06% | −3,300−8.3% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 36,873 | $6.02M | 0.04% | −9,616−20.7% | Reduced |
| Karani Asset Management LLC | 36,960 | $6.04M | 3.26% | +2,285+6.6% | Added |
| Rafferty Asset Management, LLC | 37,035 | $6.05M | 0.04% | +5,090+15.9% | Added |
| Squarepoint Ops LLC | 37,438 | $6.11M | 0.05% | +37,438 | New |
| EFG Asset Management (North America) Corp. | 39,195 | $6.40M | 0.96% | +39,195 | New |
| Allspring Global Investments Holdings, LLC | 39,968 | $6.53M | 0.01% | +14,121+54.6% | Added |
| Banco Santander, S.A. | 40,000 | $6.53M | 0.07% | +40,000 | New |
| Russell Investments Group, Ltd. | 39,988 | $6.58M | 0.01% | −35,680−47.2% | Reduced |
| Royal London Asset Management Ltd | 41,560 | $6.79M | 0.03% | +1,257+3.1% | Added |
| Rosenblum Silverman Sutton S F Inc | 41,761 | $6.82M | 1.75% | −598−1.4% | Reduced |
| Victory Capital Management Inc | 51,485 | $6.87M | 0.01% | −4,877−8.7% | Reduced |
| Brown Advisory Inc | 42,608 | $6.96M | 0.01% | +16,030+60.3% | Added |
| Macquarie Group Ltd | 43,211 | $7.06M | 0.01% | +96+0.2% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 44,379 | $7.25M | 0.03% | +43,121+3,427.7% | Added |
| Allianz Asset Management GmbH | 44,928 | $7.34M | 0.01% | −6,136−12.0% | Reduced |
| Storebrand Asset Management AS | 45,859 | $7.49M | 0.04% | −6,996−13.2% | Reduced |
| Two Sigma Advisers, LP | 46,700 | $7.63M | 0.02% | +42,900+1,128.9% | Added |
| HSBC Holdings PLC | 47,827 | $7.82M | 0.01% | +6,487+15.7% | Added |
| 683 Capital Management, LLC | 49,000 | $8.00M | 0.47% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 50,233 | $8.20M | 0.03% | −2,079−4.0% | Reduced |
| Eversept Partners, LP | 52,871 | $8.63M | 0.79% | −17,369−24.7% | Reduced |
| Parkman Healthcare Partners LLC | 54,008 | $8.82M | 2.58% | −3,674−6.4% | Reduced |
| Driehaus Capital Management LLC | 54,449 | $8.89M | 0.11% | −8,562−13.6% | Reduced |
| Alliancebernstein L.P. | 56,537 | $9.23M | 0.00% | −13,343−19.1% | Reduced |
| Citigroup Inc | 57,009 | $9.31M | 0.01% | −12,301−17.7% | Reduced |
| Voya Investment Management LLC | 58,283 | $9.52M | 0.02% | −444−0.8% | Reduced |
| DekaBank Deutsche Girozentrale | 57,168 | $9.52M | 0.02% | +889+1.6% | Added |
| Sector Gamma AS | 59,251 | $9.68M | 2.10% | +59,251 | New |
| Korea Investment CORP | 61,623 | $10.1M | 0.02% | −1,439−2.3% | Reduced |
| Nomura Asset Management Co Ltd | 62,910 | $10.3M | 0.06% | −617−1.0% | Reduced |
| Public Employees Retirement System of Ohio | 63,361 | $10.3M | 0.04% | −1,430−2.2% | Reduced |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 63,945 | $10.4M | 0.48% | +63,945 | New |
| Millennium Management LLC | 63,957 | $10.4M | 0.01% | −19,460−23.3% | Reduced |
| Wells Fargo & Company | 64,309 | $10.5M | 0.00% | +19,142+42.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 65,572 | $10.7M | 0.02% | −9,597−12.8% | Reduced |
| Great West Life Assurance Co | 62,369 | $10.8M | 0.02% | +10,892+21.2% | Added |
| Teachers Retirement System of the State of Kentucky | 66,123 | $10.8M | 0.11% | +7,997+13.8% | Added |
| BNP Paribas Arbitrage, SA | 66,700 | $10.9M | 0.02% | +681+1.0% | Added |
| Jane Street Group, LLC | 67,563 | $11.0M | 0.02% | −48,394−41.7% | Reduced |
| State of New Jersey Common Pension Fund D | 71,899 | $11.7M | 0.04% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 72,300 | $11.8M | 0.02% | −60,000−45.4% | Reduced |
| Aviva PLC | 73,040 | $11.9M | 0.06% | +34,823+91.1% | Added |
| Two Sigma Investments, LP | 73,949 | $12.1M | 0.04% | +73,949 | New |
| Bank of Montreal | 73,751 | $12.4M | 0.01% | +34,267+86.8% | Added |
| Treasurer of the State of North Carolina | 77,559 | $12.7M | 0.07% | +1,775+2.3% | Added |
| Parnassus Investments | 77,587 | $12.7M | 0.03% | 00.0% | Unchanged |
| Barclays PLC | 79,598 | $13.0M | 0.01% | −2,367−2.9% | Reduced |
| USS Investment Management Ltd | 79,962 | $13.1M | 0.11% | +4,222+5.6% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 83,038 | $13.6M | 1.06% | +83,038 | New |
| Susquehanna International Group, LLP | 83,747 | $13.7M | 0.02% | −59,208−41.4% | Reduced |
| Morningstar Investment Services LLC | 83,831 | $13.9M | 0.15% | +1,264+1.5% | Added |
| Nicholas Investment Partners, LP | 86,164 | $14.1M | 1.00% | +86,164 | New |
| LMR Partners LLP | 92,114 | $15.0M | 0.22% | +69,886+314.4% | Added |
| Van Eck Associates Corp | 100,006 | $16.3M | 0.03% | +1,392+1.4% | Added |
| Rhumbline Advisers | 115,877 | $18.9M | 0.02% | −3,955−3.3% | Reduced |
| Artisan Partners Limited Partnership | 117,345 | $19.2M | 0.03% | −121,791−50.9% | Reduced |
| State of Wisconsin Investment Board | 117,519 | $19.2M | 0.04% | +24,318+26.1% | Added |
| Credit Suisse AG | 119,610 | $19.5M | 0.02% | +6,071+5.3% | Added |
| CIBC Private Wealth Group, LLC | 120,277 | $19.6M | 0.04% | +2,025+1.7% | Added |
| Rhenman & Partners Asset Management AB | 130,000 | $21.2M | 2.09% | −45,000−25.7% | Reduced |
| Eagle Health Investments LP | 131,244 | $21.4M | 5.28% | +17,542+15.4% | Added |
| International Biotechnology Trust PLC | 38,000 | $21.7M | 9.54% | −90,000−70.3% | Reduced |
| HighTower Advisors, LLC | 134,689 | $22.0M | 0.05% | +5,036+3.9% | Added |
| State Board of Administration of Florida Retirement System | 145,019 | $23.7M | 0.05% | −2,974−2.0% | Reduced |
| Tobam | 155,585 | $25.4M | 1.28% | +73,732+90.1% | Added |
| Tekla Capital Management LLC | 158,606 | $25.9M | 0.91% | −31,089−16.4% | Reduced |
| Handelsbanken Fonder AB | 171,400 | $28.0M | 0.16% | −16,400−8.7% | Reduced |
| Perceptive Advisors LLC | 180,079 | $29.4M | 0.61% | +180,079 | New |
| National Pension Service | 180,898 | $29.5M | 0.05% | +5,105+2.9% | Added |
| Dimensional Fund Advisors LP | 181,271 | $29.6M | 0.01% | +2,111+1.2% | Added |
| New York State Common Retirement Fund | 186,700 | $30.5M | 0.03% | −941−0.5% | Reduced |
| Parametric Portfolio Associates LLC | 189,206 | $30.9M | 0.02% | −16,492−8.0% | Reduced |
| Franklin Resources Inc | 191,669 | $31.3M | 0.01% | −18,638−8.9% | Reduced |
| California State Teachers Retirement System | 199,213 | $32.5M | 0.04% | −10,519−5.0% | Reduced |
| AXA S.A. | 207,896 | $33.9M | 0.10% | −5,808−2.7% | Reduced |
| Polar Capital Holdings Plc | 229,833 | $37.5M | 0.22% | −305,798−57.1% | Reduced |
| California Public Employees Retirement System | 245,603 | $40.1M | 0.03% | −64,072−20.7% | Reduced |
| Eagle Asset Management Inc | 255,937 | $41.8M | 0.21% | +607+0.2% | Added |
| Bank of America Corp | 277,257 | $45.3M | 0.00% | +12,779+4.8% | Added |
| Deutsche Bank AG | 282,110 | $46.1M | 0.02% | +7,462+2.7% | Added |
| Massachusetts Financial Services Co | 302,743 | $49.4M | 0.01% | −1,019,468−77.1% | Reduced |
| Candriam Luxembourg S.C.A. | 303,653 | $49.6M | 0.34% | +63,082+26.2% | Added |
| Eaton Vance Management | 306,228 | $50.0M | 0.06% | +262,893+606.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 322,743 | $52.7M | 0.04% | −1,709−0.5% | Reduced |
| Rock Springs Capital Management LP | 332,500 | $54.3M | 1.37% | 00.0% | Unchanged |