United States · 
Who invested in TwoStep Therapeutics?
TwoStep Therapeutics's investors include NFX, 2048 Ventures, Insight Partners and Alexandria Venture Investments.
20262027
$21MSeries A$63MSeries A
United States · Series A startup
Who invested in TwoStep Therapeutics
Funding summaryUpdated 26 Oct 2026
$84Mraised across 2 rounds since 2026, from 2 sources
$21MSeries A$63MSeries A
- Latest round
- Series A, $63MSept 2026
- Step-upi
- 3×
- Investors
- 4
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, $21M Jan 2026
- Biggest round
- $63M Series A · Sept 2026
- Between rounds
- 8 months from the last two
The rounds
- Sept 2026
- Jan 2026Series A$21M3 new
Source recordedSEC filing: $21M sold, first sale Jan 2026
Founders and team
From TwoStep Therapeutics's own website: 1 on the team.
- Joy GeallisVP, Clinical
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
Alexandria Venture InvestmentsVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about TwoStep Therapeutics
How much has TwoStep Therapeutics raised?
TwoStep Therapeutics has raised $84M across 2 rounds since 2026.
When did TwoStep Therapeutics last raise?
TwoStep Therapeutics's most recent round was a Series A of $63M in Sept 2026.
What was TwoStep Therapeutics's biggest round?
Its most recent round, $63M in Sept 2026, is also its largest on record.
Who backed TwoStep Therapeutics first?
TwoStep Therapeutics's first round on record, in Jan 2026, was backed by NFX, Alexandria Venture Investments and 2048 Ventures.
What stage is TwoStep Therapeutics at?
TwoStep Therapeutics's latest named round is a Series A, in Sept 2026.
Where is TwoStep Therapeutics based?
TwoStep Therapeutics is based in the United States.
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