United States · Seed startup

Who invested in CodeStream

2 rounds we have observed, with the 5 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.

IT Services

Y Combinator: W18

Funding summaryUpdated 26 Oct 2026

$8.7Mraised across 2 rounds since 2018, from 2 sources

$3.2MRound$5.5MSeed
Latest round
Seed, $5.5MAug 2019
Step-upi
1.7×
Investors
5
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.

2019
$3.2MRound$5.5MSeed
First round
Round, $3.2M
Nov 2018
Biggest round
$5.5M
Seed · Aug 2019
Between rounds
9 months
from the last two

The rounds

  1. Aug 2019
    Seed$5.5M1 returning

    Source recorded

  2. Nov 2018
    Round$3.2M5 new
    • Y Combinator
    • David Carlick
    • Mark Stein
    • S28 Capital/ PJC
    • Steve Sordello

    Reported by TechCrunch

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.

Round2018Seed2019Y CombinatorDavid CarlickMark SteinS28 Capital/ PJCSteve Sordello

Everyone who backed them

Y CombinatorAccelerator2rounds
David Carlickno record of our own yet1round
Mark Steinno record of our own yet1round
S28 Capital/ PJCno record of our own yet1round
Steve Sordellono record of our own yet1round

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

Also claim to have backed them

These 2 firms list CodeStream 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.

Brightstone Venture CapitalVC firmPer its own site
PJCVC firmPer its own site

Quick answers about CodeStream

Who invested in CodeStream?

CodeStream's investors include Y Combinator, David Carlick, Mark Stein, S28 Capital/ PJC and Steve Sordello.

How much has CodeStream raised?

CodeStream has raised $8.7M across 2 rounds since 2018.

When did CodeStream last raise?

CodeStream's most recent round was a Seed of $5.5M in Aug 2019.

What was CodeStream's biggest round?

Its most recent round, $5.5M in Aug 2019, is also its largest on record.

Who backed CodeStream first?

CodeStream's first round on record, in Nov 2018, was backed by Y Combinator, David Carlick and Mark Stein and 2 others.

What stage is CodeStream at?

CodeStream's latest named round is a Seed, in Aug 2019.

Where is CodeStream based?

CodeStream is based in the United States.

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