Who invested in Grapevine

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.

Nonprofit

Funding summaryUpdated 26 Oct 2026

$2.9Mraised across 3 rounds since 2013, from 3 sources

$50KGrant$1.1MSeed$1.7MSeed

Latest round: Seed, $1.7MAug 2023
Step-upi: 1.5×
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.

20152017201920212023

$50KGrant$1.1MSeed$1.7MSeed

First round: Grant, $50K
Biggest round: $1.7M
Usual gap between rounds: 8.5 years

The rounds

Aug 2023
Seed$1.7M3 new
Source recorded
Feb 2015
Seed$1.1M2 new
- Boston Seed Capital
- Boston Syndicates
From a historical funding record
Oct 2013
Grant$50K1 new
- MassChallenge
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.

Grant2013Seed2015Seed2023

Notation CapitalBoston Syndicates

Everyone who backed them

GaingelsPrivate equity1round

MassChallengeAccelerator1round

Ulu VenturesVC firm1round

Boston Seed CapitalAngel network1round

Notation CapitalVC firm1round

Boston SyndicatesVC firm1round

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

Also claim to have backed them

These 5 firms list Grapevine 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.