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Nuclidium raises over CHF100 million ($121M) to develop copper-based radiopharmaceuticals for cancer diagnosis and treatment.

PRIVATESep 26, 2026

Amount Raised

$121 Million

Round Type

Venture

BaselBiotechnologyHealth CareTherapeutics

Investors

Wellington PartnersAngelini Ventures

Description

Nuclidium, a Basel-based biotech startup founded in 2021, has raised over CHF100 million ($121 million) to advance its copper-based radiopharmaceuticals pipeline for diagnosing and treating cancers including metastatic prostate and breast cancer. The company's theranostic approach uses matched pairs of copper isotopes to both detect and treat cancer targets. CEO Leila Jaafar emphasizes that demonstrating clinical efficacy remains the primary challenge ahead. The US market for metastatic prostate cancer diagnosis and treatment alone is estimated to exceed $50 billion annually.

Quick answer

Nuclidium raised $121 Million in a funding round, dated September 26, 2026. Investors: Wellington Partners and Angelini Ventures. Nuclidium is based in Basel, Basel City, Switzerland.

How much did Nuclidium raise?
Nuclidium raised $121 Million in a funding round on September 26, 2026.
Who invested in Nuclidium?
Wellington Partners and Angelini Ventures are named as investors in this round.
What does Nuclidium do?
Nuclidium is a clinical-stage biotechnology company based in Basel, Switzerland, developing innovative copper-based radiopharmaceuticals for the diagnosis and treatment of cancer.
Where is Nuclidium based and how big is it?
Nuclidium is based in Basel, Basel City, Switzerland. Fundz records about 27 employees.
Who are the decision-makers at Nuclidium?
Fundz holds 2 contacts at Nuclidium, including the Head of Clinical Operations. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Therapeutics and Biotechnology around the same time

Companies in the same sectors as Nuclidium that raised within 45 days of this round, from Fundz verified event records.

  • Oyster Therapeutics raised $60M (Series A) on November 10, 2026.
  • SRTD biotech raised $35M (Seed) on November 9, 2026.
  • BioVie raised $4.7M (Post-IPO Equity) on November 6, 2026.
  • Alethio raised $90M (Series A) on November 5, 2026.
  • Biograil raised $22M on November 4, 2026.
  • MyoPax raised an undisclosed amount (Pre-Seed) on November 4, 2026.

Who to call at Nuclidium, and when

A new round usually means Nuclidium is about to hire and buy. The teams that reach out first get the meeting.

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  • The decision-makers there, with verified emails
  • Who you already know at Nuclidium, from your own LinkedIn network

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Company Information

Company

Nuclidium

Location

Basel, Basel City, Switzerland

About

Nuclidium is a clinical-stage biotechnology company based in Basel, Switzerland, developing innovative copper-based radiopharmaceuticals for the diagnosis and treatment of cancer. It leverages copper isotopes, Copper-61 for diagnostics and Copper-67 for therapeutics, creating a differentiated theranostic platform. The company aims to overcome existing limitations in radiotheranostics. Its operations span Switzerland and Germany, combining chemistry and clinical expertise to deliver superior solutions worldwide.

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Related People

2 contacts
Verified contactsThorsten M., Head of Clinical Operations hiddenSee plans and pricing
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Nuclidium raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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