United States · Series D startup
4 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.
Funding summaryUpdated 26 Oct 2026
$134Mraised across 4 rounds since 2013, from 5 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: $65M sold, first sale Dec 2014
From a historical funding recordSEC filing: $48M sold, first sale Nov 2014
From a historical funding recordSEC filing: $11M sold, first sale May 2014
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Enso Ventures
Alexandria Real Estate EquitiesFlagship Pioneering, LLCMayo Clinic Rochester
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Seres Health's investors include Flagship Ventures, Enso Ventures, Alexandria Real Estate Equities, Flagship Pioneering, LLC and Mayo Clinic Rochester, and 1 more on record.
Seres Health has raised $134M across 4 rounds since 2013.
Seres Health's most recent round was a Series D of $65M in Jan 2015.
Its most recent round, $65M in Jan 2015, is also its largest on record.
Seres Health's first round on record, in Nov 2013, was backed by Flagship Pioneering, LLC and Enso Ventures.
Seres Health's latest named round is a Series D, in Jan 2015.
Seres Health is based in the United States.
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United States ·