ALNYLAM PHARMACEUTICALS INC COM is a security (CUSIP 02043Q107) tracked across SEC portfolio filings. 813 institutional managers reported $41.8B on Form 13F as of 2026-06-30; 88 registered fund positions totaling $9.7B via N-PORT as of 2026-06-30.
Showing 15 of 813 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $5.4B | 13,553,932 |
| FMR LLC | BOSTON, MA | $4.8B | 14,579,166 |
| Capital World Investors | LOS ANGELES, CA | $3.6B | 10,802,348 |
| BlackRock, Inc. | New York, NY | $3.5B | 10,444,908 |
| Capital Research Global Investors | Los Angeles, CA | $3.1B | 9,471,181 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $2.0B | 6,323,752 |
| STATE STREET CORP | BOSTON, MA | $1.1B | 3,322,698 |
| Invesco Ltd. | ATLANTA, GA | $920.9M | 2,783,394 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $884.6M | 2,660,385 |
| BAILLIE GIFFORD & CO | EDINBURGH, X0 | $734.5M | 2,439,889 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $659.3M | 1,992,577 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $640.5M | 1,935,925 |
| Dodge & Cox | San Francisco, CA | $638.3M | 1,929,253 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $596.3M | 1,802,363 |
| D. E. Shaw & Co., Inc. | New York, NY | $487.8M | 1,059,062 |
Showing 15 of 88 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Growth Fund of America | Growth Fund of America | $2.3B | 64.18% |
| AMCAP Fund | AMCAP Fund | $1.2B | 127.41% |
| Invesco QQQ Trust, Series 1 | Invesco QQQ Trust, Series 1 | $924.4M | 24.82% |
| Investment Co of America | Investment Co of America | $644.5M | 38.84% |
| VANGUARD HEALTH CARE FUND | VANGUARD SPECIALIZED FUNDS | $517.1M | 140.27% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $489.8M | 60.09% |
| Fidelity Growth Company Fund | Fidelity Mt. Vernon Street Trust | $404.3M | 40.93% |
| Fidelity Contrafund | Fidelity Contrafund | $398.0M | 25.22% |
| T. Rowe Price Mid-Cap Growth Fund, Inc. | T. ROWE PRICE MID-CAP GROWTH FUND, INC. | $386.0M | 171.33% |
| New Perspective Fund | New Perspective Fund | $337.6M | 22.10% |
| New Economy Fund | New Economy Fund | $218.5M | 42.34% |
| American Funds Fundamental Investors | American Funds Fundamental Investors | $198.5M | 12.89% |
| Capital Group Growth ETF | Capital Group Growth ETF | $185.2M | 76.02% |
| T. Rowe Price Health Sciences Fund, Inc. | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $176.0M | 161.56% |
| VANGUARD U.S. GROWTH FUND | VANGUARD WORLD FUND | $167.4M | 35.19% |