Who invested in Alto Neuroscience

3 rounds we have observed, with the 6 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.

Raised 4 months ago

Funding summaryUpdated 26 Oct 2026

$270Mraised across 3 rounds since 2025, from 3 sources

$50MRound$120MRound$100MRound

Latest round: Round, $100MJul 2026
Biggest round: $120MRound · Mar 2026
Investors: 6

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

$50MRound$120MRound$100MRound

First round: Round, $50M
Biggest round: $120M
Usual gap between rounds: 4 months

The rounds

Jul 2026
Round$100M1 new3 returning
Source recorded
Mar 2026
Round$120M5 new
Source recorded
Oct 2025
Round$50M
No investor was named in the report.
Filed with the SEC (Form D); no report of this raise yetSEC filing: $50M sold, first sale Oct 2025

Founders and team

From Alto Neuroscience's own website: 4 on the team.

Nick SmithPresident and Chief Financial Officer
Erin R. McQuadeGeneral Counsel and Chief Administrative Officer
Jessica PowellChief Development Officer
Michael HanleyChief Operating Officer

AdvisersDan Segal

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.

Round2025Round2026Round2026

Valor Equity Partners

Everyone who backed them

Valor Equity PartnersVC firm2rounds

Franklin TempletonPrivate equity2rounds

Vivo CapitalPrivate equity2rounds

GaingelsPrivate equity1round

Perceptive AdvisorsAsset manager1round

Eli LillyCorporate VC1round

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

Also claim to have backed them

These 5 firms list Alto Neuroscience as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Alpha Wave GlobalPrivate equityPer its own site

Windham Capital PartnersGrowth equityPer its own site

Able PartnersVC firmPer its own site

What If VenturesVC firmPer its own site

InVivium CapitalVC firmPer its own site

Quick answers about Alto Neuroscience

Who invested in Alto Neuroscience?

Alto Neuroscience's investors include Valor Equity Partners, Franklin Templeton, Vivo Capital, Gaingels and Perceptive Advisors, and 1 more on record.