United States · 
Who invested in Massive Bio?
Massive Bio's investors include 500 Global and Revo Capital.
20152016201720182019202020212022
?Round$17MSeries A$17MSeries B
United States · Series B startup
Who invested in Massive Bio
Funding summaryUpdated 26 Oct 2026
$34Mraised across 3 rounds since 2015, from 3 sources
$17MSeries A$17MSeries B
- Latest round
- Series A, $17MJun 2022
- Biggest round
- $17MSeries B · Jun 2022
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round Apr 2015
- Biggest round
- $17M Series B · Jun 2022
- Between rounds
- 7.2 years from the last two
The rounds
- Jun 2022
- Jun 2022
- Apr 2015RoundAmount undisclosed
No investor was named in the report.
From a historical funding record
Founders and team
From Massive Bio's own website: 3 founders.
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.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Massive Bio as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Massive Bio
How much has Massive Bio raised?
Massive Bio has raised $34M across 3 rounds since 2015. One round did not disclose an amount, so the total is a floor.
When did Massive Bio last raise?
Massive Bio's most recent round was a Series B of $17M in Jun 2022.
What was Massive Bio's biggest round?
Its most recent round, $17M in Jun 2022, is also its largest on record.
Who backed Massive Bio first?
Massive Bio's first round on record, in Jun 2022, was backed by 500 Global and Revo Capital.
What stage is Massive Bio at?
Massive Bio's latest named round is a Series B, in Jun 2022.
Where is Massive Bio based?
Massive Bio is based in the United States.
Companies like Massive Bio
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.