Who invested in Mack Weldon

3 rounds we have observed, with the 4 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.

B2C

Funding summaryUpdated 26 Oct 2026

$5.9Mraised across 3 rounds since 2014, from 3 sources

$1.9MSeed$4.0MSeries A

Latest round: VentureDec 2021
Biggest round: $4.0MSeries A · Feb 2015
Investors: 4

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.

20142015201620172018201920202021

$1.9MSeed$4.0MSeries A?Venture

First round: Seed, $1.9M
Biggest round: $4.0M
Usual gap between rounds: 6.8 years

The rounds

Dec 2021
VentureAmount undisclosed1 returning
- RiverPark Ventures
Source recorded
Feb 2015
Series A$4.0M3 new
From a historical funding recordSEC filing: $5.5M sold, first sale Oct 2014
Jan 2014
Seed$1.9M1 new
- Jason Port
From a historical funding record

Founders and team

From the SEC filings it signed: 1 on the team.

Brian D. BergerExecutive Officer, Directori

On the board, as filediAllan D. KarpHoward D. SocolJeffrey D. Keswin

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.

Seed2014Series A2015Venture2021

RiverPark VenturesJason Port

Lyrical Partners

Bridge Venture Fund

Everyone who backed them

RiverPark VenturesVC firm2rounds

Jason PortVC firm1round

Lyrical PartnersVC firm1round

Bridge Venture FundVC firm1round

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

Also claim to have backed them

These 3 firms list Mack Weldon 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.