United States · 
Who invested in Underdog Fantasy?
Underdog Fantasy's investors include Spark Capital, BlackRock and MANTIS Venture Capital. Spark Capital led its latest round.
United States · Series C startup
Who invested in Underdog Fantasy
One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Follow Underdog Fantasy and see its new rounds in your feed. Start following
Funding summaryUpdated 5 Nov 2026
$70Mraised across 1 round since 2025, from 2 sources
- Latest round
- Series C, $70MMar 2025
- Led by
- Spark Capital
- Investors
- 3 (1 led)
The rounds
- Mar 2025
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 8 firms list Underdog Fantasy 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.
Darren HermanAngelPer its own site
Quick answers about Underdog Fantasy
How much has Underdog Fantasy raised?
Underdog Fantasy has raised $70M across 1 round since 2025.
When did Underdog Fantasy last raise?
Underdog Fantasy's most recent round was a Series C of $70M in Mar 2025, led by Spark Capital.
What was Underdog Fantasy's biggest round?
Its most recent round, $70M in Mar 2025, is also its largest on record.
Who backed Underdog Fantasy first?
Underdog Fantasy's first round on record, in Mar 2025, was backed by Spark Capital, BlackRock and MANTIS Venture Capital.
What stage is Underdog Fantasy at?
Underdog Fantasy's latest named round is a Series C, in Mar 2025.
Where is Underdog Fantasy based?
Underdog Fantasy is based in the United States.
Who led Underdog Fantasy's rounds?
Spark Capital led the Series C in 2025.
Companies like Underdog Fantasy
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.