Who invested in Sigstr?
Sigstr's investors include High Alpha, Grand Ventures, Battery Ventures, Edison Partners and UBS, and 2 more on record.
United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$9.5Mraised across 3 rounds since 2015, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by FinSMEsSEC filing: $4.0M sold, first sale Aug 2018
Reported by FinSMEsSEC filing: $2.6M sold, first sale Aug 2017
No investor was named in the report.
From a historical funding recordSEC filing: $500K sold, first sale Jun 2015
From the SEC filings it signed: 3 on the team.
On the board, as filediBill GodfreyMike FitzgeraldRyan ZieglerTim Kopp
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Sigstr's investors include High Alpha, Grand Ventures, Battery Ventures, Edison Partners and UBS, and 2 more on record.
Sigstr has raised $9.5M across 3 rounds since 2015.
Sigstr's most recent round was an Undisclosed round of $4.0M in Sept 2018.
Sigstr's largest round on record is $5.0M (Series A), in Aug 2017.
Sigstr's first round on record, in Aug 2017, was backed by High Alpha, HubSpot Ventures and Grand Ventures and 1 others.
Sigstr's latest named round is an Undisclosed round, in Sept 2018.
Sigstr is based in the United States.
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