Who invested in Nightingale

3 rounds we have observed, with the 7 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.

Consumer Apps

Y Combinator: S14

Funding summaryUpdated 26 Oct 2026

$780Kraised across 3 rounds since 2013, from 3 sources

$120KSeed$660KSeed

Latest round: Seed, $660KMar 2015
Step-upi: 5.5×
Investors: 7

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.

20142015

?Seed$120KSeed$660KSeed

First round: Seed
Biggest round: $660K
Usual gap between rounds: 12 months

The rounds

Mar 2015
Seed$660K4 new1 returning
From a historical funding record
Jul 2014
Seed$120K2 new
- Y Combinator
- Think +
From a historical funding record
Jul 2013
SeedAmount undisclosed1 new
- Rough Draft Ventures
From a historical funding record

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.

Seed2013Seed2014Seed2015

Y CombinatorKeith Rabois

Everyone who backed them

Y CombinatorAccelerator2rounds

Keith RaboisVC firm1round

Maverick CapitalVC firm1round

Rough Draft VenturesVC firm1round

STARTXVC firm1round

Think +VC firm1round

Jaan TallinnVC firm1round

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

Also claim to have backed them

This firm lists Nightingale 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.