United States · Series C startup
Funding summaryUpdated 26 Oct 2026
$16Mraised across 5 rounds since 2011, from 5 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding recordSEC filing: $2.2M sold, first sale Dec 2014
From a historical funding recordSEC filing: $4.2M sold, first sale Dec 2013
No investor was named in the report.
Reported by sec.govSEC filing: $3.9M sold, first sale Oct 2011
Reported by techcrunch.comSEC filing: $3.6M sold, first sale Oct 2011
Calumet Venture FundReported by finsmes.comSEC filing: $110K sold, first sale Oct 2010
From the SEC filings it signed: 2 on the team.
On the board, as filediAnn WinbladJudy OwenTom Donnelly
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Calumet Venture Fund
Hummer Winblad Venture Partners
Omphalos Fund
Zetta Venture Partners
New Capital PartnersStuart LarkinsBill WatkinsMissing a round, or an investor who was in one? Tell us.
OptiMine Software's investors include Calumet Venture Fund, Hummer Winblad Venture Partners, Omphalos Fund, Zetta Venture Partners and New Capital Partners, and 2 more on record.
OptiMine Software has raised $16M across 5 rounds since 2011.
OptiMine Software's most recent round was a Series C of $2.9M in Jan 2015.
OptiMine Software's largest round on record is $4.2M (Series B), in Jan 2014.
OptiMine Software's first round on record, in Jan 2011, was backed by Calumet Venture Fund, Stuart Larkins and Bill Watkins.
OptiMine Software's latest named round is a Series C, in Jan 2015.
OptiMine Software is based in the United States.
In the same sector, and raised in the last eighteen months.
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