Who invested in Well

3 rounds we have observed, with the 10 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.

AIBiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$45Mraised across 3 rounds since 2012, from 3 sources

$1.0MVenture$14MSeries A$30MSeries B

Latest round: Series B, $30MApr 2025
Step-upi: 2.1×
Investors: 10

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.

2012201420162018202020222024

$1.0MVenture$14MSeries A$30MSeries B

First round: Venture, $1.0M
Biggest round: $30M
Usual gap between rounds: 7.2 years

The rounds

Apr 2025
Series B$30M1 new
- General Catalyst
Source recorded
Apr 2019
Series A$14M1 new
- New Enterprise Associates
Reported by Wsj
Mar 2012
Venture$1.0M8 new
- Venrock
- Accelerator Ventures
- Ben Ling
- PivotNorth Capital
- Chris Kelly
- Ben T. Smith, IV
- Tim Stevens
- Chris Tolles
Reported by techcrunch.com

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.

Venture2012Series A2019Series B2025

New Enterprise Associates

General Catalyst

Venrock

Accelerator VenturesBen Ling

PivotNorth CapitalChris KellyBen T. Smith, IVTim StevensChris Tolles

Everyone who backed them

New Enterprise AssociatesVC firm1round

General CatalystVC firm1round

VenrockVC firm1round

Accelerator VenturesVC firm1round

Ben LingAngel1round

PivotNorth CapitalVC firm1round

Chris KellyAngel1round

Ben T. Smith, IVVC firm1round

Tim StevensAngel1round

Chris Tollesno record of our own yet1round

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

Also claim to have backed them

These 3 firms list Well 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.