United States · Series E startup
6 rounds we have observed, with the 6 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.
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Funding summaryUpdated 31 Oct 2026
$181Mraised across 6 rounds since 2007, from 6 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding recordSEC filing: $76M sold, first sale Mar 2015
Reported by finsmes.com
Reported by atyrpharma.com
From the SEC filings it signed: 5 on the team.
On the board, as filediAmir H. NashatJames C. BlairJeffrey S. HatfieldJohn K. ClarkeMark P. GoldbergPaul K. SchimmelSrini S. AkkarajuTimothy P. Coughlin
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Polaris Partners
Alta Partners
Cardinal Partners
Domain Associates
SVB Capital
Sofinnova InvestmentsMissing a round, or an investor who was in one? Tell us.
This firm lists aTyr Pharma as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
aTyr Pharma's investors include Polaris Partners, Alta Partners, Cardinal Partners, Domain Associates and SVB Capital, and 1 more on record.
aTyr Pharma has raised $181M across 6 rounds since 2007.
aTyr Pharma's most recent round was a Series E of $76M in Mar 2015.
Its most recent round, $76M in Mar 2015, is also its largest on record.
aTyr Pharma's first round on record, in Apr 2007, was backed by Polaris Partners, Alta Partners and Cardinal Partners.
aTyr Pharma's latest named round is a Series E, in Mar 2015.
aTyr Pharma is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
