United States · 
Who invested in Haystack Oncology?
Haystack Oncology's investors include Alexandria Venture Investments and Catalio Capital Management.
United States · Series A startup
Who invested in Haystack Oncology
Funding summaryUpdated 26 Oct 2026
$56Mraised across 1 round since 2022, from 1 source
- Latest round
- Series A, $56MNov 2022
- Investors
- 2
The rounds
- Nov 2022Series A$56M
Source recordedSEC filing: $67M sold, first sale Oct 2022
Founders and team
From the SEC filings it signed: 3 on the team.
- Dan EdelsteinExecutive Officer, Directori
- Nickolas PapadopoulosExecutive Officer, Directori
- Olga MaltsevaExecutive Officeri
On the board, as filediGeorge PetrocheilosIsaac RoR. Jacob Vogelstein
Everyone who backed them
Alexandria Venture InvestmentsVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Haystack Oncology
How much has Haystack Oncology raised?
Haystack Oncology has raised $56M across 1 round since 2022.
When did Haystack Oncology last raise?
Haystack Oncology's most recent round was a Series A of $56M in Nov 2022.
What was Haystack Oncology's biggest round?
Its most recent round, $56M in Nov 2022, is also its largest on record.
Who backed Haystack Oncology first?
Haystack Oncology's first round on record, in Nov 2022, was backed by Alexandria Venture Investments and Catalio Capital Management.
What stage is Haystack Oncology at?
Haystack Oncology's latest named round is a Series A, in Nov 2022.
Where is Haystack Oncology based?
Haystack Oncology is based in the United States.
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