United States · Series A startup

Who invested in Spyryx Biosciences

One round we have observed, with the 3 investors 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.

Biotech

Funding summaryUpdated 15 Nov 2026

$18Mraised across 1 round since 2015, from 1 source

Latest round
Series A, $18MMay 2015
Investors
3
See who backed them

The rounds

  1. May 2015
    Series A$18M

    From a historical funding recordSEC filing: $18M sold, first sale Apr 2015

Funding filed with regulators

Spyryx Biosciences filed 4 raises, $29M in all. Filings say how much was sold and to how many investors; they never name the investors.

  1. Oct 2018$5.9M7 investorsdebt, options, securities on exerciseof $6.0M offeredSEC Form D
  2. Jun 2017$5.0M13 investorsdebt, options, securities on exerciseSEC Form D
  3. Apr 2015$18M13 investorsequitySEC Form D
  4. Jan 2015$15K1 investordebt, options, securities on exerciseof $1.0M offeredSEC Form D

Founders and team

From the SEC filings it signed: 1 on the team.

  • Timm CrowderExecutive Officer, Promoteri

On the board, as filediBrian DanielsChristy ShafferRobert TarranRoger JeffsTim Shannon

Everyone who backed them

CanaanVC firm1round
5AM VenturesVC firm1round

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

Quick answers about Spyryx Biosciences

Who invested in Spyryx Biosciences?

Spyryx Biosciences's investors include Canaan, 5AM Ventures and Hatteras Venture Partners.

How much has Spyryx Biosciences raised?

Spyryx Biosciences has raised $18M across 1 round since 2015.

When did Spyryx Biosciences last raise?

Spyryx Biosciences's most recent round was a Series A of $18M in May 2015.

What was Spyryx Biosciences's biggest round?

Its most recent round, $18M in May 2015, is also its largest on record.

Who backed Spyryx Biosciences first?

Spyryx Biosciences's first round on record, in May 2015, was backed by Canaan, 5AM Ventures and Hatteras Venture Partners.

What stage is Spyryx Biosciences at?

Spyryx Biosciences's latest named round is a Series A, in May 2015.

Where is Spyryx Biosciences based?

Spyryx Biosciences is based in the United States.

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

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