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Leyden Labs secures €30 million in funding from European Innovation Council and Invest-NL to develop a nasal spray for respiratory viruses.

PRIVATEOct 02, 2025

Amount Raised

€30 Million

Round Type

Funding Round

LeidenBiotechnologyScience And Engineeringresearch

Investors

Invest NlEuropean Innovation Council Fund

Description

Leyden Labs has announced €30 million in new equity financing to advance its clinical development of a pan-influenza nasal spray. This funding comes from the European Innovation Council Fund and Invest-NL. The company aims to provide immediate protection against respiratory viruses. Their innovative approach targets the respiratory mucosa with antibody-based treatments.

Quick answer

Leyden Labs raised €30 Million in a Funding Round round, dated October 2, 2025. Investors: Invest Nl and European Innovation Council Fund. Leyden Labs is based in Leiden, South Holland, Netherlands.

How much did Leyden Labs raise?
Leyden Labs raised €30 Million in a Funding Round round on October 2, 2025.
Who invested in Leyden Labs?
Invest Nl and European Innovation Council Fund are named as investors in this round.
What does Leyden Labs do?
Leyden Labs aims to help people live their lives to the fullest.
Where is Leyden Labs based and how big is it?
Leyden Labs is based in Leiden, South Holland, Netherlands. Fundz records about 66 employees.
Who are the decision-makers at Leyden Labs?
Fundz holds 2 contacts at Leyden Labs, including the Director Regulatory Affairs. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Science And Engineering and research around the same time

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

  • Dewpoint Therapeutics raised $59M on September 9, 2025.
  • Arzeda raised $4.5M (Series B) on August 28, 2025.
  • TandemAI raised $22M (Series A) on November 14, 2025.
  • Equillium raised $50M (Funding Round) on November 13, 2025.
  • Classiq raised $10M (Funding Round) on November 13, 2025.
  • Anomaly Bio raised $2.6M (Pre-Seed) on November 12, 2025.

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Company Information

Company

Leyden Labs

Location

Emmy Noetherweg

Leiden, South Holland, Netherlands

About

Leyden Labs aims to help people live their lives to the fullest. Our platform targets commonalities of viral families to protect humanity from known and future viruses. Our portfolio of accessible intranasal product candidates may provide people with the freedom to immediately protect themselves from and prevent the spread of many variants of respiratory viruses, including ones in the influenza and coronavirus families. The Leyden Labs’ energetic team of world-renowned biotechnology veterans and fresh talent is dedicated to thinking differently to free humanity from the burden of respiratory viruses.

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Related People

2 contacts
Verified contactsJoana M., Director Regulatory Affairs hiddenSee plans and pricing
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Leyden Labs 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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