United States · 
Who invested in Mightier?
Mightier's investors include Founder Collective, Project 11, FoxKiser, Slow Ventures and Sony Innovation Fund, and 4 more on record.
201920202021
$2.4MSeed$6.6MSeries A$17MSeries B
United States · Series B startup
Who invested in Mightier
Funding summaryUpdated 26 Oct 2026
$26Mraised across 3 rounds since 2018, from 3 sources
$2.4MSeed$6.6MSeries A$17MSeries B
- Latest round
- Series B, $17MDec 2021
- Step-upi
- 2.6×
- Investors
- 9 (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
- Seed, $2.4M Jun 2018
- Biggest round
- $17M Series B · Dec 2021
- Usual gap between rounds
- 2.5 years the median of 2
The rounds
- Dec 2021
- May 2019Series A$6.6M4 new2 returning
FoxKiserLead
Founder Collective
Slow
Project 11
MBX Capital- Asset Management
Reported by FinSMEs
- Jun 2018
Founders and team
From Mightier's own website: 1 founder, 6 on the team.
Jason KahnCo-Founder, Chief Science Officer
- Bruce ClarkCEO with 40 years of experience
- Bruce ClarkeCEO with 40 years of experience in the
- Daniel GutierrezChief Operating Officer
- Kerry SainChief Commercial Growth Officer at Aetna
- Daniel O'donnellManaging Diretor at FOXKISER
- David KimManaging Director of DigiTx
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.
Seed2018Series A2019Series B2021Founder CollectiveProject 11FoxKiserL
Slow Ventures
Sony Innovation FundSlowMBX CapitalAsset ManagementSlow Ventures/ Bolt
Founder CollectiveProject 11FoxKiserLSlow VenturesSony Innovation FundSlowMBX CapitalAsset ManagementSlow Ventures/ BoltEveryone who backed them
Asset Managementno record of our own yet1round
Slow Ventures/ Boltno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 4 firms list Mightier as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Mightier
How much has Mightier raised?
Mightier has raised $26M across 3 rounds since 2018.
When did Mightier last raise?
Mightier's most recent round was a Series B of $17M in Dec 2021.
What was Mightier's biggest round?
Its most recent round, $17M in Dec 2021, is also its largest on record.
Who backed Mightier first?
Mightier's first round on record, in Jun 2018, was backed by Founder Collective, Project 11 and Slow Ventures/ Bolt.
What stage is Mightier at?
Mightier's latest named round is a Series B, in Dec 2021.
Where is Mightier based?
Mightier is based in the United States.
Who led Mightier's rounds?
FoxKiser led the Series A in 2019.
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