United States · Growth startup
7 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.
Raised 6 months ago
Funding summaryUpdated 26 Oct 2026
$85Mraised across 7 rounds since 2009, from 7 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
Filed with the SEC (Form D); no report of this raise yetSEC filing: $1.0M sold, first sale Apr 2026
From a historical funding recordSEC filing: $688K sold, first sale Jun 2015
No investor was named in the report.
Reported by sec.govSEC filing: $21M sold, first sale Aug 2011
Reported by eon.businesswire.comSEC filing: $5.0M sold, first sale Aug 2011
Reported by xconomy.comSEC filing: $15M sold, first sale Oct 2009
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Polaris Partners
5AM Ventures
ARCH Venture Partners
Novartis Venture Fund
Altitude Life Science VenturesNovartis BioventuresMissing a round, or an investor who was in one? Tell us.
Pulmatrix's investors include Polaris Partners, 5AM Ventures, ARCH Venture Partners, Novartis Venture Fund and Altitude Life Science Ventures, and 1 more on record.
Pulmatrix has raised $85M across 7 rounds since 2009.
Pulmatrix's most recent round, $1.0M, was in Apr 2026.
Pulmatrix's largest round on record is $30M (Series B), in Nov 2009.
Pulmatrix's first round on record, in Mar 2009, was backed by Polaris Partners and 5AM Ventures.
Pulmatrix's latest named round is a Growth, in Jun 2015.
Pulmatrix is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
