United States · Seed startup

Who invested in Weilos

One round we have observed, with the one investor 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.

Fitness

Y Combinator: S13

Funding summaryUpdated 26 Oct 2026

Undisclosedraised across 1 round since 2013, from 1 source

Latest round
SeedMar 2013
Investors
1
See who backed them

The rounds

  1. Mar 2013
    SeedAmount undisclosed

    From a historical funding record

The exit

ExitBuyerPriceWhen
AcquiredWeight Watchers InternationalundisclosedApr 2015

From historical deal records. Wrong? Tell us.

Everyone who backed them

Y CombinatorAccelerator1round

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

Also claim to have backed them

This firm lists Weilos as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Launchpad LAAcceleratorPer its own site

Quick answers about Weilos

Who invested in Weilos?

Weilos's investors include Y Combinator.

How much has Weilos raised?

Weilos has raised 1 round since 2013, none with a disclosed amount.

When did Weilos last raise?

Weilos's most recent round was a Seed in Mar 2013.

Who backed Weilos first?

Weilos's first round on record, in Mar 2013, was backed by Y Combinator.

What stage is Weilos at?

Weilos's latest named round is a Seed, in Mar 2013.

Where is Weilos based?

Weilos 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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