United States · Pre-seed startup

Who invested in Fastgen

2 rounds we have observed, with the 2 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.

Developer Tools

Y Combinator: W23

Funding summaryUpdated 26 Oct 2026

$2.2Mraised across 2 rounds since 2012, from 2 sources

$1.7MVenture$500KPre-seed
Latest round
Pre-seed, $500KApr 2023
Biggest round
$1.7MVenture · Mar 2012
Investors
2
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.

201220142016201820202022
$1.7MVenture$500KPre-seed
First round
Venture, $1.7M
Mar 2012
Biggest round
$1.7M
Venture · Mar 2012
Between rounds
11.1 years
from the last two

The rounds

  1. Apr 2023
    Pre-seed$500K2 new

    Source recorded

  2. Mar 2012
    Venture$1.7M

    No investor was named in the report.

    Reported by sec.govSEC filing: $1.7M sold, first sale Jan 2007

Founders and team

From the SEC filings it signed: 3 on the team.

  • Albert Wing-Kin TamExecutive Officer, Directori
  • Michael Chi Kin ChengExecutive Officer, Directori
  • Paul J. TauberExecutive Officeri

On the board, as filediAnselm N. LeungN.C. Joseph Lai

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.

Venture2012Pre-seed2023Y CombinatorRebel Fund

Everyone who backed them

Y CombinatorAccelerator1round
Rebel FundVC firm1round

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

Also claim to have backed them

These 2 firms list Fastgen 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.

Rainfall VenturesVC firmPer its own site
Maiora VenturesVC firmPer its own site

Quick answers about Fastgen

Who invested in Fastgen?

Fastgen's investors include Y Combinator and Rebel Fund.

How much has Fastgen raised?

Fastgen has raised $2.2M across 2 rounds since 2012.

When did Fastgen last raise?

Fastgen's most recent round was a Pre-seed of $500K in Apr 2023.

What was Fastgen's biggest round?

Fastgen's largest round on record is $1.7M (Venture), in Mar 2012.

Who backed Fastgen first?

Fastgen's first round on record, in Apr 2023, was backed by Y Combinator and Rebel Fund.

What stage is Fastgen at?

Fastgen's latest named round is a Pre-seed, in Apr 2023.

Where is Fastgen based?

Fastgen is based in the United States.

Companies like Fastgen

In the same sector, and raised in the last eighteen months.

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.