United States · Series E startup
11 rounds we have observed, with the 16 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
$182Mraised across 11 rounds since 2009, from 11 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Polaris Partners
OrbiMed
Osage Venture Partners
Aju IB Investment
Sanofi-Genzyme BioVentures
Ridgeback CapitalFrom a historical funding recordSEC filing: $37M sold, first sale Aug 2015
No investor was named in the report.
From a historical funding recordSEC filing: $5.9M sold, first sale Apr 2015
From a historical funding recordSEC filing: $4.5M sold, first sale Aug 2014
No investor was named in the report.
From a historical funding recordSEC filing: $4.5M sold, first sale Aug 2014
No investor was named in the report.
From a historical funding recordSEC filing: $4.5M sold, first sale Aug 2014
No investor was named in the report.
From a historical funding recordSEC filing: $6.0M sold, first sale Jul 2014
Reported by freshnews.comSEC filing: $15M sold, first sale Mar 2010
Polaris Partners
Nano DimensionReported by selectabio.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Polaris PartnersOrbiMedFlagship Pioneering, LLCNano DimensionOsage Venture PartnersAju IB InvestmentFlagship Ventures
Skolkovo FoundationSanofi-Genzyme BioVentures
JSC RUSNANOMissing a round, or an investor who was in one? Tell us.
Selecta Biosciences's investors include Polaris Partners, OrbiMed, Flagship Pioneering, LLC, Nano Dimension and Osage Venture Partners, and 11 more on record.
Selecta Biosciences has raised $182M across 11 rounds since 2009.
Selecta Biosciences's most recent round was a Series E of $38M in Sept 2015.
Selecta Biosciences's largest round on record is $47M (Series D), in Oct 2011.
Selecta Biosciences's first round on record, in Feb 2009, was backed by Polaris Partners, Flagship Pioneering, LLC and Nano Dimension and 1 others.
Selecta Biosciences's latest named round is a Series E, in Sept 2015.
Selecta Biosciences is based in the United States.
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