United States · 
Who invested in Leap Therapeutics?
Leap Therapeutics's investors include Winklevoss Capital. Winklevoss Capital led its latest round.
United States · Funded startup
Who invested in Leap Therapeutics
One round we have observed, with the one investor 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.
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Funding summaryUpdated 15 Nov 2026
$59Mraised across 1 round since 2025, from 1 source
- Latest round
- Round, $59MOct 2025
- Led by
- Winklevoss Capital
- Investors
- 1 (1 led)
The rounds
- Oct 2025
Funding filed with regulators
Leap Therapeutics filed 2 raises, $95M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Jan 2023$77MSEC Form D
- Nov 2017$18MSEC Form D
Founders and team
From the SEC filings it signed: 6 on the team.
- Douglas E. OnsiMr. Onsi is the Chief Executive Officer and President of the Issuer.i
- Christine GranfieldMs. Granfield is the Vice President, Head of Regulatory Affairs and Quality of the Issuer.i
- Augustine K. LawlorMr. Lawlor is the Chief Operating Officer of the Issuer.i
- Cynthia K. SirardDr. Sirard is the Chief Medical Officer of the Issuer.i
- Mark K. O'MahonyMr. O'Mahony is the Chief Manufacturing Officer of the Issuer.i
- Christopher K. MirabelliDr. Mirabelli is the Chairman of the Board of Directors of the Issuer.i
On the board, as filediChristian K. RichardJames K. CavanaughJoseph K. LoscalzoNissim K. MashiachPatricia K. MartinRichard K. SchilskyThomas K. DietzWilliam K. Li
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Leap Therapeutics
How much has Leap Therapeutics raised?
Leap Therapeutics has raised $59M across 1 round since 2025.
When did Leap Therapeutics last raise?
Leap Therapeutics's most recent round was an Undisclosed round of $59M in Oct 2025, led by Winklevoss Capital.
What was Leap Therapeutics's biggest round?
Its most recent round, $59M in Oct 2025, is also its largest on record.
Who backed Leap Therapeutics first?
Leap Therapeutics's first round on record, in Oct 2025, was backed by Winklevoss Capital.
What stage is Leap Therapeutics at?
Leap Therapeutics's latest named round is an Undisclosed round, in Oct 2025.
Where is Leap Therapeutics based?
Leap Therapeutics is based in the United States.
Who led Leap Therapeutics's rounds?
Winklevoss Capital led the Undisclosed round in 2025.
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