United States · Who invested in TRex Bio?
TRex Bio's investors include Polaris Partners, Eli Lilly, SV Health Investors, Janus Henderson Investors and Alexandria Venture Investments.
20252026
$84MSeries B$50MVenture$117MRoundUnited States · Funded startup
Who invested in TRex Bio
3 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 1 month ago
Funding summaryUpdated 26 Oct 2026
$251Mraised across 3 rounds since 2024, from 3 sources
$84MSeries B$50MVenture$117MRound
- Latest round
- Round, $117MOct 2026
- Step-upi
- 2.3×
- Investors
- 5
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 B, $84M Nov 2024
- Biggest round
- $117M Round · Oct 2026
- Usual gap between rounds
- 14 months the median of 2
The rounds
- Oct 2026
- Jan 2026Venture$50M1 new3 returning
Source recorded
- Nov 2024Series B$84M4 new
Source recorded
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 B2024Venture2026Round2026
Polaris Partners
Eli LillySV Health Investors
Janus Henderson InvestorsAlexandria Venture Investments
Polaris PartnersEli LillySV Health InvestorsJanus Henderson InvestorsAlexandria Venture InvestmentsEveryone who backed them
SV Health InvestorsVC firm2rounds
Alexandria Venture InvestmentsVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about TRex Bio
How much has TRex Bio raised?
TRex Bio has raised $251M across 3 rounds since 2024.
When did TRex Bio last raise?
TRex Bio's most recent round was an Undisclosed round of $117M in Oct 2026.
What was TRex Bio's biggest round?
Its most recent round, $117M in Oct 2026, is also its largest on record.
Who backed TRex Bio first?
TRex Bio's first round on record, in Nov 2024, was backed by Polaris Partners, Eli Lilly and Alexandria Venture Investments and 1 others.
What stage is TRex Bio at?
TRex Bio's latest named round is an Undisclosed round, in Oct 2026.
Where is TRex Bio based?
TRex Bio is based in the United States.
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