United States · Growth startup

Who invested in Nucleus RadioPharma

2 rounds we have observed, with the 3 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.

Healthcare

Raised 7 months ago

Funding summaryUpdated 26 Oct 2026

$50Mraised across 2 rounds since 2024, from 2 sources

Latest round
Growth, $50MApr 2026
Investors
3
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.

20252026
?Venture$50MGrowth
First round
Venture
Jun 2024
Biggest round
$50M
Growth · Apr 2026
Between rounds
22 months
from the last two

The rounds

  1. Apr 2026
    Growth$50M2 new1 returning

    Source recorded

  2. Jun 2024
    VentureAmount undisclosed1 new

    Source recordedSEC filing: $6.0M sold, first sale Oct 2022

Founders and team

From the SEC filings it signed: 1 on the team.

  • Charles ConroyExecutive Officer, Directori

On the board, as filediChris McDonaldJustin ButlerManu NairMary Kate WoldMichael RossiNorman SharplessTyrell Rivers

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.

Venture2024Growth2026Mayo ClinicOrbiMedEclipse

Everyone who backed them

Mayo ClinicInvestment firm2rounds
OrbiMedPrivate equity1round
EclipseVC firm1round

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

Quick answers about Nucleus RadioPharma

Who invested in Nucleus RadioPharma?

Nucleus RadioPharma's investors include Mayo Clinic, OrbiMed and Eclipse.

How much has Nucleus RadioPharma raised?

Nucleus RadioPharma has raised $50M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor.

When did Nucleus RadioPharma last raise?

Nucleus RadioPharma's most recent round was a Growth of $50M in Apr 2026.

What was Nucleus RadioPharma's biggest round?

Its most recent round, $50M in Apr 2026, is also its largest on record.

Who backed Nucleus RadioPharma first?

Nucleus RadioPharma's first round on record, in Jun 2024, was backed by Mayo Clinic.

What stage is Nucleus RadioPharma at?

Nucleus RadioPharma's latest named round is a Growth, in Apr 2026.

Where is Nucleus RadioPharma based?

Nucleus RadioPharma is based in the United States.

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