United States · Funded startup

Who invested in Relay Therapeutics

4 rounds we have observed, with the 8 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

Raised 6 months ago

Funding summaryUpdated 26 Oct 2026

$932Mraised across 4 rounds since 2016, from 4 sources

$57MSeries A$400MSeries C$200MRound$275MRound
Latest round
Round, $275MMay 2026
Biggest round
$400MSeries C · Dec 2018
Step-upi
1.4×
Investors
8
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.

20182020202220242026
$57MSeries A$400MSeries C$200MRound$275MRound
First round
Series A, $57M
Sept 2016
Biggest round
$400M
Series C · Dec 2018
Usual gap between rounds
2.3 years
the median of 3

The rounds

  1. May 2026
    Round$275M1 new3 returning

    Source recorded

  2. Sept 2024
    Round$200M5 new1 returning

    Source recorded

  3. Dec 2018
    Series C$400M1 new

    Reported by Xconomy

  4. Sept 2016
    Series A$57M1 new

    Reported by FinSMEs

Founders and team

From the SEC filings it signed: 5 on the team.

  • Brian K. AdamsExecutive Officeri
  • Donald A. BergstromExecutive Officeri
  • Peter A. RahmerExecutive Officeri
  • Sanjiv K. PatelExecutive Officer, Directori
  • Thomas A. CatinazzoExecutive Officeri

On the board, as filediAlexis A. BorisyDouglas S. IngramJami S. RubinLaura S. ShawverLinda A. HillMark S. MurckoSekar S. Kathiresan

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.

Series A2016Series C2018Round2024Round2026Perceptive AdvisorsSoftBank Vision FundForesite CapitalS32Google VenturesSoftBankCasdin CapitalThird Rock Ventures

Everyone who backed them

Perceptive AdvisorsAsset manager2rounds
SoftBank Vision FundVC firm2rounds
Foresite CapitalPrivate equity2rounds
S32VC firm2rounds
Google VenturesCorporate VC1round
SoftBankInvestment firm1round
Casdin CapitalVC firm1round
Third Rock VenturesVC firm1round

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

Quick answers about Relay Therapeutics

Who invested in Relay Therapeutics?

Relay Therapeutics's investors include Perceptive Advisors, SoftBank Vision Fund, Foresite Capital, S32 and Google Ventures, and 3 more on record.

How much has Relay Therapeutics raised?

Relay Therapeutics has raised $932M across 4 rounds since 2016.

When did Relay Therapeutics last raise?

Relay Therapeutics's most recent round was an Undisclosed round of $275M in May 2026.

What was Relay Therapeutics's biggest round?

Relay Therapeutics's largest round on record is $400M (Series C), in Dec 2018.

Who backed Relay Therapeutics first?

Relay Therapeutics's first round on record, in Sept 2016, was backed by Third Rock Ventures.

What stage is Relay Therapeutics at?

Relay Therapeutics's latest named round is an Undisclosed round, in May 2026.

Where is Relay Therapeutics based?

Relay Therapeutics is based in the United States.

Companies like Relay Therapeutics

In the same sector, and raised in the last eighteen months.

Star Therapeutics$325M · Oct 2026Promaxo$106M · Oct 2026Prolific Machines$105M · Oct 2026AI$18M · Oct 2026Baba$40M · Oct 2026IMIO$19M · Oct 2026

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