United States · 
Who invested in Thetis Pharmaceuticals?
Thetis Pharmaceuticals's investors include Connecticut Innovations, National Institutes of Health and Stonehenge Capital.
20112013201520172019202120232025
$1.7MSeed$5.7MVenture$9.0MDebtUnited States · Funded startup
Who invested in Thetis Pharmaceuticals
Funding summaryUpdated 26 Oct 2026
$16Mraised across 3 rounds since 2011, from 3 sources
$1.7MSeed$5.7MVenture$9.0MDebt
- Latest round
- Debt, $9.0MJan 2025
- Step-upi
- 1.6×
- Investors
- 3
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, $1.7M Aug 2011
- Biggest round
- $9.0M Debt · Jan 2025
- Usual gap between rounds
- 12 years the median of 2
The rounds
- Jan 2025
- Dec 2012Venture$5.7M
No investor was named in the report.
Reported by sec.govSEC filing: $5.7M sold, first sale Dec 2012
- Aug 2011Seed$1.7M2 new
Reported by masshightech.comSEC filing: $1.5M sold, first sale Aug 2011
Founders and team
From the SEC filings it signed: 5 on the team.
- Cynthia F. GreenManageri
- Dennis F. WillsonManageri
- Frank C. SciavolinoManageri
- Gary MathiasManageri
- Walter OgierManageri
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.
Quick answers about Thetis Pharmaceuticals
How much has Thetis Pharmaceuticals raised?
Thetis Pharmaceuticals has raised $16M across 3 rounds since 2011.
When did Thetis Pharmaceuticals last raise?
Thetis Pharmaceuticals's most recent round was a Debt of $9.0M in Jan 2025.
What was Thetis Pharmaceuticals's biggest round?
Its most recent round, $9.0M in Jan 2025, is also its largest on record.
Who backed Thetis Pharmaceuticals first?
Thetis Pharmaceuticals's first round on record, in Aug 2011, was backed by Connecticut Innovations and Stonehenge Capital.
What stage is Thetis Pharmaceuticals at?
Thetis Pharmaceuticals's latest named round is a Debt, in Jan 2025.
Where is Thetis Pharmaceuticals based?
Thetis Pharmaceuticals is based in the United States.
Companies like Thetis Pharmaceuticals
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.