United States · Venture startup

Who invested in Science Exchange

5 rounds we have observed, with the 29 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.

BiotechProfessional ServicesHealthcare

Y Combinator: S11

Funding summaryUpdated 26 Oct 2026

$54Mraised across 5 rounds since 2011, from 5 sources

$1.5MSeed$4.0MSeries A$28MSeries C$20MVenture
Latest round
Venture, $20MOct 2019
Biggest round
$28MSeries C · Jun 2017
Investors
29
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.

20112013201520172019
?Seed$1.5MSeed$4.0MSeries A$28MSeries C$20MVenture
First round
Seed
Jun 2011
Biggest round
$28M
Series C · Jun 2017
Usual gap between rounds
2.3 years
the median of 4

The rounds

  1. Oct 2019
  2. Jun 2017
    Series C$28M3 new

    Reported by FinSMEs

  3. May 2013
  4. Dec 2011
  5. Jun 2011
    SeedAmount undisclosed1 new

    From a historical funding record

Founders and team

From Science Exchange's own website: 6 on the team.

  • Mark LaydenCEO & Chairman
  • Brooke HouleChief of Staff
  • Lacey BrandtChief Financial Officer
  • Kyle KoppsVP Engineering
  • Michael BreinerVP Technical Business Operations
  • Ginny ScholtesGeneral Counsel

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.

Everyone who backed them

Y CombinatorAccelerator3rounds
Andreessen HorowitzVC firm2rounds
Union Square VenturesVC firm2rounds
Webb Investment NetworkFamily office2rounds
XG VenturesVC firm2rounds
Yuri MilnerVC firm2rounds
SV AngelVC firm1round
Index VenturesVC firm1round
Crosslink CapitalVC firm1round
Lerer VenturesVC firm1round
Sam AltmanAngel1round
Esther DysonVC firm1round
Start FundVC firm1round
Joshua SchachterVC firm1round
TechammerAngel network1round
Morado VenturesVC firm1round
Kal VepuriAngel1round
Ellen LevyVC firm1round
Lisa GanskyAngel1round
Peter LehrmanAngel1round
CollaborativeHedge fund1round
Rob HutterAngel1round
Jack Jiano record of our own yet1round
Joe Eandino record of our own yet1round
Maverickno record of our own yet1round
Norwest Venture Partners/ Union Squareno record of our own yet1round

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

Also claim to have backed them

This firm lists Science Exchange as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Windham Capital PartnersGrowth equityPer its own site

Quick answers about Science Exchange

Who invested in Science Exchange?

Science Exchange's investors include Y Combinator, Andreessen Horowitz, Union Square Ventures, Webb Investment Network and XG Ventures, and 24 more on record.

How much has Science Exchange raised?

Science Exchange has raised $54M across 5 rounds since 2011. One round did not disclose an amount, so the total is a floor.

When did Science Exchange last raise?

Science Exchange's most recent round was a Venture of $20M in Oct 2019.

What was Science Exchange's biggest round?

Science Exchange's largest round on record is $28M (Series C), in Jun 2017.

Who backed Science Exchange first?

Science Exchange's first round on record, in Jun 2011, was backed by Y Combinator.

What stage is Science Exchange at?

Science Exchange's latest named round is a Venture, in Oct 2019.

Where is Science Exchange based?

Science Exchange is based in the United States.

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