ALNY
Alnylam Pharmaceuticals, Inc.Company with tickers: ALNY
CIK
1178670
CUSIP
02043Q107
Shares Outstanding
132,623,144
Website
https://www.alnylam.com
Investor Relations
https://investors.alnylam.com/
13F Activity (30d)
30 filings
7 filers
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this stock, matched by the stock's CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding ALNY
535 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| Growth Fund of America | — | 8,024,520 | $2,671,523,198 | 0.81% | Long | 2026-02-28 | |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 4,215,761 | $1,394,868,842 | 0.07% | Long | 2026-03-31 | |
| AMCAP Fund | — | 3,744,659 | $1,246,671,874 | 1.33% | Long | 2026-02-28 | |
| VANGUARD MID-CAP INDEX FUND | — | 2,864,161 | $947,664,950 | 0.48% | Long | 2026-03-31 | |
| Invesco QQQ Trust, Series 1 | QQQ | 2,793,810 | $924,387,915 | 0.25% | Long | 2026-03-31 | |
| JPMorgan Large Cap Growth Fund | — | 2,036,592 | $673,847,195 | 0.63% | Long | 2026-03-31 | |
| Investment Co of America | — | 1,947,787 | $644,464,285 | 0.39% | Long | 2026-03-31 | |
| T. Rowe Price Capital Appreciation Fund | — | 1,715,880 | $567,733,216 | 0.86% | Long | 2026-03-31 | |
| VANGUARD GROWTH INDEX FUND | — | 1,565,234 | $517,888,974 | 0.16% | Long | 2026-03-31 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 1,480,260 | $489,773,626 | 0.60% | Long | 2026-03-31 | |
| Fidelity Growth Company Fund | — | 1,300,974 | $433,120,264 | 0.53% | Long | 2026-02-28 | |
| Growth Fund | — | 1,276,486 | $422,350,923 | 0.85% | Long | 2026-03-31 | |
| Dodge & Cox Stock Fund | — | 1,233,200 | $408,028,884 | 0.36% | Long | 2026-03-31 | |
| Fidelity Contrafund | — | 1,202,994 | $398,034,625 | 0.25% | Long | 2026-03-31 | |
| T. Rowe Price Mid-Cap Growth Fund, Inc. | — | 1,166,560 | $385,979,707 | 1.71% | Long | 2026-03-31 | |
| New Perspective Fund | — | 1,020,320 | $337,593,278 | 0.22% | Long | 2026-03-31 | |
| VANGUARD MID-CAP GROWTH INDEX FUND | — | 1,008,744 | $333,763,127 | 1.14% | Long | 2026-03-31 | |
| iShares Biotechnology ETF | — | 979,642 | $324,134,149 | 3.99% | Long | 2026-03-31 | |
| New Economy Fund | — | 867,315 | $288,746,510 | 0.64% | Long | 2026-02-28 | |
| iShares Russell Mid-Cap Growth ETF | — | 850,606 | $281,440,007 | 1.51% | Long | 2026-03-31 | |
| JPMorgan Mid Cap Growth Fund | — | 700,981 | $231,933,583 | 2.03% | Long | 2026-03-31 | |
| Fidelity Extended Market Index Fund | — | 691,763 | $230,301,738 | 0.56% | Long | 2026-02-28 | |
| American Funds Fundamental Investors | — | 600,000 | $198,522,000 | 0.13% | Long | 2026-03-31 | |
| Strategic Advisers Fidelity U.S. Total Stock Fund | — | 569,120 | $189,471,430 | 0.09% | Long | 2026-02-28 | |
| Capital Group Growth ETF | — | 557,684 | $185,664,157 | 0.92% | Long | 2026-02-28 | |
| VANGUARD U.S. GROWTH FUND | — | 554,294 | $184,535,558 | 0.42% | Long | 2026-02-28 | |
| T. Rowe Price Health Sciences Fund, Inc. | — | 531,894 | $175,987,768 | 1.62% | Long | 2026-03-31 | |
| iShares Russell 1000 Growth ETF | — | 511,131 | $169,117,914 | 0.15% | Long | 2026-03-31 | |
| Invesco American Franchise Fund | — | 504,640 | $168,004,749 | 1.02% | Long | 2026-02-28 | |
| Invesco NASDAQ 100 ETF | — | 502,493 | $167,289,970 | 0.24% | Long | 2026-02-28 | |
| Select Biotechnology Portfolio | — | 496,683 | $165,355,704 | 3.09% | Long | 2026-02-28 | |
| Fidelity Advisor Growth Opportunities Fund | — | 490,835 | $163,408,788 | 0.56% | Long | 2026-02-28 | |
| iShares Russell Mid-Cap ETF | — | 484,627 | $160,348,535 | 0.33% | Long | 2026-03-31 | |
| JPMorgan Growth Advantage Fund | — | 447,815 | $148,168,549 | 0.73% | Long | 2026-03-31 | |
| Asset Allocation Fund | — | 405,917 | $134,305,758 | 0.51% | Long | 2026-03-31 | |
| VANGUARD HEALTH CARE INDEX FUND | — | 393,742 | $131,084,587 | 0.65% | Long | 2026-02-28 | |
| Fidelity Advisor New Insights Fund | — | 381,380 | $126,187,201 | 0.54% | Long | 2026-03-31 | |
| JNL/T. Rowe Price Capital Appreciation Fund | — | 380,807 | $125,997,612 | 0.91% | Long | 2026-03-31 | |
| Fidelity Growth Company K6 Fund | — | 366,500 | $122,015,180 | 0.53% | Long | 2026-02-28 | |
| Select Health Care Portfolio | — | 340,000 | $113,192,800 | 1.83% | Long | 2026-02-28 | |
| MFS Mid Cap Growth Fund | — | 331,878 | $110,488,824 | 0.80% | Long | 2026-02-28 | |
| Fidelity Series Growth Company Fund | — | 323,031 | $107,543,481 | 0.51% | Long | 2026-02-28 | |
| VIP Contrafund Portfolio | — | 308,886 | $102,201,111 | 0.39% | Long | 2026-03-31 | |
| JPMorgan Nasdaq Equity Premium Income ETF | — | 295,318 | $97,711,867 | 0.29% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) S&P(R) Biotech ETF | — | 264,406 | $87,484,013 | 1.18% | Long | 2026-03-31 | |
| Fidelity Contrafund K6 | — | 261,731 | $86,598,936 | 0.26% | Long | 2026-03-31 | |
| Schwab U.S. Large-Cap Growth ETF | — | 253,288 | $84,324,641 | 0.17% | Long | 2026-02-28 | |
| Carillon Eagle Mid Cap Growth Fund | — | 251,940 | $83,359,388 | 1.75% | Long | 2026-03-31 | |
| Fidelity Total Market Index Fund | — | 247,151 | $82,281,511 | 0.07% | Long | 2026-02-28 | |
| ClearBridge Growth Fund | — | 228,800 | $76,172,096 | 1.81% | Long | 2026-02-27 |
Showing 1–50 of 535 positions