United States · Series B startup
Funding summaryUpdated 26 Oct 2026
$77Mraised across 3 rounds since 2010, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
New Enterprise Associates
RA Capital Management
Morgenthaler Ventures
Novo Holdings
Novartis Venture Fund
Rock Springs Capital
Lightstone VenturesFrom a historical funding recordSEC filing: $29M sold, first sale Jul 2015
No investor was named in the report.
From a historical funding recordSEC filing: $10M sold, first sale Feb 2010
From Ra Pharmaceuticals's own website: 10 on the team.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
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Ra Pharmaceuticals's investors include New Enterprise Associates, RA Capital Management, Morgenthaler Ventures, Novo Holdings and Novartis Venture Fund, and 4 more on record.
Ra Pharmaceuticals has raised $77M across 3 rounds since 2010.
Ra Pharmaceuticals's most recent round was a Series B of $59M in Jul 2015.
Its most recent round, $59M in Jul 2015, is also its largest on record.
Ra Pharmaceuticals's first round on record, in Jul 2015, was backed by New Enterprise Associates, RA Capital Management and Morgenthaler Ventures and 6 others.
Ra Pharmaceuticals's latest named round is a Series B, in Jul 2015.
Ra Pharmaceuticals is based in the United States.
In the same sector, and raised in the last eighteen months.
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