Who invested in iSpecimen?
iSpecimen's investors include MassChallenge.

United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$18Mraised across 4 rounds since 2012, from 4 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.
From a historical funding recordSEC filing: $8.6M sold, first sale Aug 2014
No investor was named in the report.
Reported by masshightech.comSEC filing: $2.0M sold, first sale Aug 2012
From iSpecimen's own website: 4 on the team.
iSpecimen's investors include MassChallenge.
iSpecimen has raised $18M across 4 rounds since 2012.
iSpecimen's most recent round was an Undisclosed round of $2.5M in May 2026.
iSpecimen's largest round on record is $8.0M (Series B), in Sept 2014.
iSpecimen's first round on record, in Dec 2025, was backed by MassChallenge.
iSpecimen's latest named round is an Undisclosed round, in May 2026.
iSpecimen is based in the United States.
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