United States · Funded startup
3 rounds we have observed, with the 7 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$735Mraised across 3 rounds since 2003, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding record
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Atlas Venture
ARCH Venture Partners
Abingworth
Cardinal Partners
Sanofi-Genzyme BioVenturesMerckTakeda PharmaceuticalMissing a round, or an investor who was in one? Tell us.
Alnylam Pharmaceuticals's investors include Atlas Venture, ARCH Venture Partners, Abingworth, Cardinal Partners and Sanofi-Genzyme BioVentures, and 2 more on record.
Alnylam Pharmaceuticals has raised $735M across 3 rounds since 2003.
Alnylam Pharmaceuticals's most recent round was an Undisclosed round of $700M in Jan 2014.
Its most recent round, $700M in Jan 2014, is also its largest on record.
Alnylam Pharmaceuticals's first round on record, in Jul 2003, was backed by Atlas Venture, ARCH Venture Partners and Abingworth and 2 others.
Alnylam Pharmaceuticals's latest named round is an Undisclosed round, in Jan 2014.
Alnylam Pharmaceuticals is based in the United States.
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United States ·