United States · Venture startup

Who invested in ZielBio

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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$33Mraised across 2 rounds since 2019, from 2 sources

$25MSeries A$7.5MVenture
Latest round
Venture, $7.5MSept 2022
Biggest round
$25MSeries A · Sept 2019
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.

202020212022
$25MSeries A$7.5MVenture
First round
Series A, $25M
Sept 2019
Biggest round
$25M
Series A · Sept 2019
Between rounds
2.9 years
from the last two

The rounds

  1. Sept 2022
    Venture$7.5M1 returning

    Source recordedSEC filing: $7.5M sold, first sale Sept 2022

  2. Sept 2019
    Series A$25M2 new

    Reported by FinSMEsSEC filing: $11M sold, first sale Sept 2019

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

Morningside GroupVC firm2rounds

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Quick answers about ZielBio

Who invested in ZielBio?

ZielBio's investors include Morningside Group and Partners HealthCare Innovation.

How much has ZielBio raised?

ZielBio has raised $33M across 2 rounds since 2019.

When did ZielBio last raise?

ZielBio's most recent round was a Venture of $7.5M in Sept 2022.

What was ZielBio's biggest round?

ZielBio's largest round on record is $25M (Series A), in Sept 2019.

Who backed ZielBio first?

ZielBio's first round on record, in Sept 2019, was backed by Morningside Group and Partners HealthCare Innovation.

What stage is ZielBio at?

ZielBio's latest named round is a Venture, in Sept 2022.

Where is ZielBio based?

ZielBio is based in the United States.

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