As of the latest SEC filings, ALNYLAM PHARMACEUTICALS, INC. (ALNY) is held by 704 institutional funds. The largest fund shareholder is Growth Fund of America (AGTHX), holding an estimated $2,671,523,198.40 in market value, representing 0.81% of its portfolio.
Funds holding ALNYLAM PHARMACEUTICALS, INC. (ALNY)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- ALNY
- CIK:
- 0001178670
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
AGTHX
Growth Fund of America
|
MF | Capital Group / American Funds | 0.81% | $2,671,523,198.40 | 8,024,520 | Feb 28, 2026 | Apr 27, 2026 |
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.07% | $1,394,868,842.07 | 4,215,761 | Mar 31, 2026 | May 28, 2026 |
|
CAFAX
AMCAP Fund
|
MF | Independent / Boutique | 1.33% | $1,246,671,874.28 | 3,744,659 | Feb 28, 2026 | Apr 27, 2026 |
|
VO
VANGUARD MID-CAP INDEX FUND
|
ETF | Vanguard | 0.48% | $947,664,950.07 | 2,864,161 | Mar 31, 2026 | May 28, 2026 |
|
QQQ
Invesco QQQ Trust Series 1
|
ETF | Invesco | 0.25% | $924,387,914.70 | 2,793,810 | Mar 31, 2026 | May 28, 2026 |
|
SEEGX
JPMorgan Large Cap Growth Fund
|
MF | JPMorgan | 0.63% | $673,847,195.04 | 2,036,592 | Mar 31, 2026 | May 29, 2026 |
|
CICAX
Investment Co of America
|
MF | Independent / Boutique | 0.39% | $644,464,284.69 | 1,947,787 | Mar 31, 2026 | May 28, 2026 |
|
PACLX
T. Rowe Price Capital Appreciation Fund
|
MF | T. Rowe Price | 0.86% | $567,733,215.60 | 1,715,880 | Mar 31, 2026 | May 28, 2026 |
|
VIGRX
VANGUARD GROWTH INDEX FUND
|
ETF | Vanguard | 0.16% | $517,888,973.58 | 1,565,234 | Mar 31, 2026 | May 28, 2026 |
|
VGHAX
VANGUARD HEALTH CARE FUND
|
MF | Vanguard | 1.40% | $517,058,443.71 | 1,670,679 | Apr 30, 2026 | Jun 26, 2026 |
|
FOTEX
Fidelity OTC Portfolio
|
MF | Fidelity | 1.22% | $493,241,640.76 | 1,593,724 | Apr 30, 2026 | Jun 26, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.60% | $489,773,626.20 | 1,480,260 | Mar 31, 2026 | May 28, 2026 |
|
FGCKX
Fidelity Growth Company Fund
|
MF | Fidelity | 0.53% | $433,120,264.08 | 1,300,974 | Feb 28, 2026 | Apr 24, 2026 |
|
-
Growth Fund
|
ETF | Capital Group / American Funds | 0.85% | $422,350,922.82 | 1,276,486 | Mar 31, 2026 | May 28, 2026 |
|
DODGX
Dodge & Cox Stock Fund
|
MF | Independent / Boutique | 0.36% | $408,028,884.00 | 1,233,200 | Mar 31, 2026 | Jun 1, 2026 |
|
FCNTX
Fidelity Contrafund
|
MF | Fidelity | 0.25% | $398,034,624.78 | 1,202,994 | Mar 31, 2026 | May 26, 2026 |
|
PAMCX
T. Rowe Price Mid-Cap Growth Fund, Inc.
|
MF | T. Rowe Price | 1.71% | $385,979,707.20 | 1,166,560 | Mar 31, 2026 | May 28, 2026 |
|
ANWPX
New Perspective Fund
|
MF | Independent / Boutique | 0.22% | $337,593,278.40 | 1,020,320 | Mar 31, 2026 | May 28, 2026 |
|
VMGIX
VANGUARD MID-CAP GROWTH INDEX FUND
|
ETF | Vanguard | 1.14% | $333,763,127.28 | 1,008,744 | Mar 31, 2026 | May 28, 2026 |
|
IBB
iShares Biotechnology ETF
|
ETF | BlackRock / iShares | 3.99% | $324,134,148.54 | 979,642 | Mar 31, 2026 | May 28, 2026 |
|
CNGAX
New Economy Fund
|
MF | Independent / Boutique | 0.64% | $288,746,509.80 | 867,315 | Feb 28, 2026 | Apr 27, 2026 |
|
IWP
iShares Russell Mid-Cap Growth ETF
|
ETF | BlackRock / iShares | 1.51% | $281,440,007.22 | 850,606 | Mar 31, 2026 | May 28, 2026 |
|
OSGIX
JPMorgan Mid Cap Growth Fund
|
MF | JPMorgan | 2.03% | $231,933,583.47 | 700,981 | Mar 31, 2026 | May 29, 2026 |
|
TWCUX
Ultra Fund
|
MF | American Century | 0.87% | $231,189,030.00 | 747,000 | Apr 30, 2026 | Jun 26, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.56% | $230,301,737.96 | 691,763 | Feb 28, 2026 | Apr 24, 2026 |
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