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Helex Raises $3.5 Million in Seed Round to Advance Non-Viral Gene Therapies for Kidney Diseases, Led by pi Ventures.

PRIVATEOct 30, 2025

Amount Raised

$3.5 Million

Round Type

Seed

New YorkBiotechnologyHealth Care

Investors

Bluehill CapitalSosvPi Ventures

Description

Helex, a therapeutics company, has announced its oversubscribed $3.5 million Seed round led by pi Ventures, with participation from Bluehill Capital and SOSV. This funding aims to develop a transformative therapy for genetic kidney diseases. With this round, Helex has raised over $6 million in total funding to date. The company focuses on delivering targeted treatments for chronic kidney disorders using groundbreaking non-viral lipid nanoparticle therapeutics.

Quick answer

Helex raised $3.5 Million in a Seed round, dated October 30, 2025. Investors: Bluehill Capital, Sosv and Pi Ventures. Helex is based in New York, New York, United States.

How much did Helex raise?
Helex raised $3.5 Million in a Seed round on October 30, 2025.
Who invested in Helex?
Bluehill Capital, Sosv and Pi Ventures are named as investors in this round.
What does Helex do?
Helex is a therapeutics company focused on developing a new class of targeted medicines for genetic kidney diseases.
Where is Helex based and how big is it?
Helex is based in New York, New York, United States. Fundz records about 23 employees.
Who are the decision-makers at Helex?
Fundz holds 1 contact at Helex. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Biotechnology and Health Care around the same time

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

  • FibroBiologics raised $1.7M on December 14, 2025.
  • OXOS Medical raised $11M on December 12, 2025.
  • Enveric Biosciences raised $107K on December 12, 2025.
  • Prolynx raised $70M (Series A) on December 11, 2025.
  • Subsense raised $10M (Funding Round) on December 11, 2025.
  • Allegria Therapeutics raised $5.1M (Seed) on December 11, 2025.

Who to call at Helex, and when

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

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Company Information

Company

Helex

Location

New York, New York, United States

About

Helex is a therapeutics company focused on developing a new class of targeted medicines for genetic kidney diseases. They are pioneering non-viral lipid nanoparticle therapeutics to deliver treatments directly to kidney cells, addressing a significant challenge in drug delivery. Their lead program targets Autosomal Dominant Polycystic Kidney Disease (ADPKD), aiming to provide accessible and affordable therapies. Helex seeks to transform the treatment landscape for patients who currently lack effective options.

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