United States · Venture startup

Who invested in 21 Inc

2 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.

Financial Services

Funding summaryUpdated 26 Oct 2026

$121Mraised across 2 rounds since 2013, from 2 sources

$5.0MSeries A$116MVenture

Latest round: Venture, $116MMar 2015
Step-upi: 23×
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.

20142015

$5.0MSeries A$116MVenture

First round: Series A, $5.0M
Biggest round: $116M
Between rounds: 16 months

The rounds

Mar 2015
Venture$116M8 new
From a historical funding record
Nov 2013
Series A$5.0M2 new
- Winklevoss Capital
- Karl Mehta
Reported by marketbrief.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.

Series A2013Venture2015

Pantera CapitalPeter Thiel

Winklevoss CapitalYuan CapitalKarl Mehta

Everyone who backed them

Andreessen HorowitzVC firm1round

Khosla VenturesVC firm1round

RRE VenturesVC firm1round

DCVCVC firm1round

Qualcomm VenturesCorporate VC1round

Pantera CapitalVC firm1round

Peter ThielAngel1round

Winklevoss CapitalFamily office1round

Yuan CapitalGrowth equity1round

Karl MehtaAngel1round

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

Quick answers about 21 Inc