United States · Who invested in Tethr?
Tethr's investors include IAG Capital Partners, Alumni Ventures, Grotech Ventures, MissionOG and Falmouth Ventures, and 1 more on record.
2018201920202021
$15MSeries A$15MRound$15MVentureUnited States · Venture startup
Who invested in Tethr
Funding summaryUpdated 26 Oct 2026
$45Mraised across 3 rounds since 2017, from 3 sources
$15MSeries A$15MRound$15MVenture
- Latest round
- Venture, $15MDec 2021
- Investors
- 6 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $15M Oct 2017
- Biggest round
- $15M Venture · Dec 2021
- Usual gap between rounds
- 2.2 years the median of 2
The rounds
- Dec 2021
- Sept 2019
- Oct 2017
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Series A2017Round2019Venture2021
IAG Capital PartnersL
Alumni Ventures
Grotech Ventures
MissionOGFalmouth VenturesGrotech Ventures/ MissionOG
IAG Capital PartnersLAlumni VenturesGrotech VenturesMissionOGFalmouth VenturesGrotech Ventures/ MissionOGEveryone who backed them
Falmouth VenturesVC firm1round
Grotech Ventures/ MissionOGno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Tethr
How much has Tethr raised?
Tethr has raised $45M across 3 rounds since 2017.
When did Tethr last raise?
Tethr's most recent round was a Venture of $15M in Dec 2021.
What was Tethr's biggest round?
Its most recent round, $15M in Dec 2021, is also its largest on record.
Who backed Tethr first?
Tethr's first round on record, in Oct 2017, was backed by Grotech Ventures/ MissionOG.
What stage is Tethr at?
Tethr's latest named round is a Venture, in Dec 2021.
Where is Tethr based?
Tethr is based in the United States.
Who led Tethr's rounds?
IAG Capital Partners led the Undisclosed round in 2019.
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