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ALNY Institutional Ownership

Top institutional (13F) holders of ALNY and 5%+ (13D/G) positions, sourced from SEC EDGAR.

Institutional owners
57
Institutional value
$30.04B
Top holder
FMR LLC

Top holders

HolderStakeFiledValue
FMR LLCinvestment advisor11.2%Aug 13, 2026$4.52B
Capital World Investorsinvestment advisor8.3%Aug 12, 2026$3.35B
BlackRock, Inc.holding company8.1%Aug 7, 2026$3.28B
Capital Research Global Investorsinvestment advisor7.3%Aug 12, 2026$2.94B
Vanguard Portfolio Managementinvestment advisor4.9%Aug 13, 2026$1.97B
Vanguard Capital Managementinvestment advisor4.5%Aug 13, 2026$1.82B
Invesco Ltd.holding company2.8%Aug 14, 2026$1.13B
STATE STREET CORPORATIONholding company2.7%Sep 22, 2026$1.07B
JPMORGAN CHASE & COholding company2.0%Aug 12, 2026$785.32M
BAILLIE GIFFORD & COinvestment advisor1.8%Aug 6, 2026$734.48M
Norges Bankother1.7%Aug 12, 2026$683.88M
GEODE CAPITAL MANAGEMENT, LLCinvestment advisor1.9%Nov 6, 2026$637.27M
WELLINGTON MANAGEMENT GROUP LLPinvestment advisor1.6%Aug 14, 2026$635.3M
Dodge & Coxinvestment advisor1.5%Aug 13, 2026$588.63M
TWO SIGMA INVESTMENTS, LPinvestment advisor1.4%Aug 14, 2026$564.71M
D. E. Shaw & Co., Inc.investment advisor1.1%Aug 14, 2026$461.9M
Clearbridge Investments, LLCinvestment advisor0.9%Aug 13, 2026$379.14M
T. Rowe Price Associates, Inc.investment advisor0.9%Aug 14, 2026$345.94M
MORGAN STANLEYholding company0.8%Aug 13, 2026$310.71M
BANK OF AMERICA CORP /DE/holding company0.7%Aug 14, 2026$299.37M
ROYAL BANK OF CANADAholding company0.7%Aug 14, 2026$268.18M
NORTHERN TRUST CORPinvestment advisor0.7%Aug 13, 2026$266.98M
SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor0.6%Aug 14, 2026$240.27M
CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor0.6%Aug 14, 2026$227.39M
AQR CAPITAL MANAGEMENT LLCinvestment advisor0.5%Aug 14, 2026$218.99M

5%+ holders

Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.

HolderFormStakeFiled
FMR LLCinvestment advisorwith Abigail P. JohnsonSC 13G/A11.0%May 6, 2026
Capital World Investorsinvestment advisorSC 13G/A8.2%May 14, 2026
Capital Research Global Investorsinvestment advisorSC 13G/A7.1%May 14, 2026
Vanguard Capital Managementinvestment advisorSC 13G5.3%Apr 29, 2026
Vanguard Portfolio Managementinvestment advisorSC 13G5.0%Oct 30, 2026

Institutional ownership for companies related to ALNY

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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.