Who Owns ALNYLAM PHARMACEUTICALS INC (ALNY)? -- Institutional Holders (2026-06-30)
885 institutions reported holding $41.38B of ALNYLAM PHARMACEUTICALS INC (ALNY) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($4.54B), VANGUARD GROUP INC ($4.16B), Capital World Investors ($3.36B), BlackRock, Inc. ($3.29B), Capital Research Global Investors ($2.94B). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | FMR LLC | $4.54B | 15.0M | Trimmed |
| 2 | VANGUARD GROUP INC | $4.16B | 13.8M | Added |
| 3 | Capital World Investors | $3.36B | 11.1M | Added |
| 4 | BlackRock, Inc. | $3.29B | 10.9M | Trimmed |
| 5 | Capital Research Global Investors | $2.94B | 9.8M | Added |
| 6 | T. Rowe Price Investment Management, Inc. | $1.70B | 5.6M | Added |
| 7 | Invesco Ltd. | $1.13B | 3.8M | Trimmed |
| 8 | STATE STREET CORP | $1.08B | 3.6M | Trimmed |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $791.3M | 2.6M | Trimmed |
| 10 | JPMORGAN CHASE & CO | $789.1M | 2.7M | Trimmed |
| 11 | BAILLIE GIFFORD & CO | $734.5M | 2.4M | Trimmed |
| 12 | NORGES BANK | $683.9M | 2.3M | Added |
| 13 | WELLINGTON MANAGEMENT GROUP LLP | $635.3M | 2.1M | Added |
| 14 | Orbis Allan Gray Ltd | $598.3M | 2.0M | Added |
| 15 | Dodge & Cox | $588.6M | 2.0M | Added |
| 16 | TWO SIGMA INVESTMENTS, LP | $564.7M | 1.9M | Trimmed |
| 17 | AMERICAN CENTURY COMPANIES INC | $558.1M | 1.9M | Added |
| 18 | D. E. Shaw & Co., Inc. | $461.9M | 1.5M | Added |
| 19 | Clearbridge Investments, LLC | $379.1M | 1.3M | Trimmed |
| 20 | PRICE T ROWE ASSOCIATES INC /MD/ | $345.9M | 1.1M | Trimmed |
| 21 | BANK OF AMERICA CORP /DE/ | $321.9M | 994,476 | Added |
| 22 | MORGAN STANLEY | $312.8M | 1.0M | Trimmed |
| 23 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | $285.6M | 893,795 | Added |
| 24 | Legal & General Group Plc | $278.3M | 924,561 | Trimmed |
| 25 | Royal Bank of Canada | $268.2M | 890,859 | Added |
Source: SEC Form 13F filings · as of 2026-06-30