Who invested in Three Ring?
Three Ring's investors include Great Oaks Venture Capital, TEDCO, Maryland Venture Fund and New Markets Venture Partners.
United States · Series A startup
Funding summaryUpdated 26 Oct 2026
$3.6Mraised across 3 rounds since 2013, from 3 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: $1.3M sold, first sale Sept 2014
From a historical funding recordSEC filing: $525K sold, first sale Nov 2013
Reported by sec.govSEC filing: $525K sold, first sale Nov 2013
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Three Ring's investors include Great Oaks Venture Capital, TEDCO, Maryland Venture Fund and New Markets Venture Partners.
Three Ring has raised $3.6M across 3 rounds since 2013.
Three Ring's most recent round was a Series A of $1.3M in Sept 2014.
Three Ring's largest round on record is $1.8M (Series A), in Sept 2014.
Three Ring's first round on record, in Nov 2013, was backed by Great Oaks Venture Capital.
Three Ring's latest named round is a Series A, in Sept 2014.
Three Ring is based in the United States.
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