Switzerland · Venture startup

Who invested in HAYA Therapeutics

3 rounds we have observed, with the 15 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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$67Mraised across 3 rounds since 2025, from 4 sources

$1.6MGrant$65MSeries A
Latest round
VentureSept 2025
Biggest round
$65MSeries A · May 2025
Investors
15 (3 led)
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026
$1.6MGrant$65MSeries A?Venture
First round
Grant, $1.6M
Feb 2025
Biggest round
$65M
Series A · May 2025
Usual gap between rounds
4 months
the median of 2

The rounds

  1. Sept 2025
  2. May 2025
  3. Feb 2025
    Grant$1.6M1 new

    Reported by 4See Ventures

Founders and team

From HAYA Therapeutics's own website: 2 founders, 10 on the team.

Samir OunzainChief Executive Officer (CEO) & co-founder
Daniel BlessingChief Scientific Officer (CSO) & co-founder
  • Denis DryginSenior Vice President of Development
  • Mihaela RobertsSenior Vice President, Finance
  • Eric AdamChief Operating Officer (COO)
  • Jordan ShinChief Medical Officer (CMO)
  • Jérôme AndriesChief Financial Officer (CFO)
  • Richard LawChief Business Officer (CBO)
  • Barry TichoIndependent Director
  • Brian ThomasChairman
  • Douglas L. MannChairperson
  • Social MediaBoard of Directors

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

Earlybird Venture CapitalVC firm2rounds, led 1
Sofinnova PartnersVC firm2rounds, led 1
Eli LillyCorporate VC2rounds
InnosuisseGovernment1round, led 1
ApolloPrivate equity1round
Declaration PartnersFamily office1round
Nano DimensionGrowth equity1round
Schroders CapitalHedge fund1round
Longview VenturesVC firm1round
Apollo Health VenturesAccelerator1round
4See VenturesVC firm1round
BERNINA BioinvestVC firm1round
LifeLink VenturesVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about HAYA Therapeutics

Who invested in HAYA Therapeutics?

HAYA Therapeutics's investors include Earlybird Venture Capital, Sofinnova Partners, Eli Lilly, Innosuisse and Alexandria Venture Investments, and 10 more on record.

How much has HAYA Therapeutics raised?

HAYA Therapeutics has raised $67M across 3 rounds since 2025. One round did not disclose an amount, so the total is a floor.

When did HAYA Therapeutics last raise?

HAYA Therapeutics's most recent round was a Venture in Sept 2025.

What was HAYA Therapeutics's biggest round?

HAYA Therapeutics's largest round on record is $65M (Series A), in May 2025, led by Earlybird Venture Capital.

Who backed HAYA Therapeutics first?

HAYA Therapeutics's first round on record, in Feb 2025, was backed by Innosuisse.

What stage is HAYA Therapeutics at?

HAYA Therapeutics's latest named round is a Venture, in Sept 2025.

Where is HAYA Therapeutics based?

HAYA Therapeutics is based in Switzerland.

Who led HAYA Therapeutics's rounds?

Innosuisse led the Grant in 2025; Earlybird Venture Capital led the Series A in 2025.

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