Fundz

Hillstar Bio has successfully closed a $67 million Series A financing round led by various investors. The funds will be used to advance their lead TRBV9 program and broaden their pipeline in precision immunotherapy.

PRIVATEMar 25, 2025

Amount Raised

$67 Million

Round Type

Series A

BostonBiotechnologyHealth CareTherapeutics

Investors

Droia VenturesFrazier Life SciencesNovo Holdings A/SLifeArc VenturesHummingbird Bioscience

Description

Hillstar Bio, a biotechnology company, announced the successful closing of a $67 million Series A financing round. The funding was led by a syndicate of investors from the U.S., Europe, and Asia, including Droia Ventures, Frazier Life Sciences, Novo Holdings A/S, LifeArc Ventures, and Hummingbird Bioscience. The proceeds will fund the advancement of the company's lead TRBV9 program and progress their broader pipeline in autoimmune treatments. Hillstar Bio focuses on a precision-driven approach to target pathogenic immune cells while preserving healthy ones.

Quick answer

Hillstar Bio raised $67 Million in a Series A round, dated March 25, 2025. Investors: Droia Ventures, Frazier Life Sciences, Novo Holdings A/S, LifeArc Ventures and Hummingbird Bioscience. Hillstar Bio is based in Boston, Massachusetts, United States.

How much did Hillstar Bio raise?
Hillstar Bio raised $67 Million in a Series A round on March 25, 2025.
Who invested in Hillstar Bio?
Droia Ventures, Frazier Life Sciences, Novo Holdings A/S, LifeArc Ventures and Hummingbird Bioscience are named as investors in this round.
What does Hillstar Bio do?
Hillstar Bio is a biotechnology company focused on developing next-generation precision immunology therapies for autoimmune diseases.
Where is Hillstar Bio based and how big is it?
Hillstar Bio is based in Boston, Massachusetts, United States. Fundz records about 17 employees.
Who are the decision-makers at Hillstar Bio?
Fundz holds 1 contact at Hillstar Bio. 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 Hillstar Bio that raised within 45 days of this round, from Fundz verified event records.

  • Cellestial Health raised an undisclosed amount (Pre-Seed) on May 9, 2025.
  • ImmuneWalk Therapeutics raised $7M (Seed) on May 8, 2025.
  • PAQ Therapeutics raised $39M (Series B) on May 7, 2025.
  • Avammune Therapeutics raised $12M (Series A) on May 7, 2025.
  • Paradigm Therapeutics raised $13M (Funding Round) on May 6, 2025.
  • Azora Therapeutics, Inc. (DE) raised $4.8M on May 2, 2025.

Who to call at Hillstar Bio, and when

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

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Company Information

Company

Hillstar Bio

Location

Boston, Massachusetts, United States

About

Hillstar Bio is a biotechnology company focused on developing next-generation precision immunology therapies for autoimmune diseases. Their approach selectively targets and depletes pathogenic immune cells while preserving healthy ones, aiming to provide durable relief and improve patient outcomes. The company's innovative methods leverage tailored discovery techniques, distinguishing them from traditional drug development. They are advancing a pipeline of therapies aimed at specific immune cell subsets for various autoimmune disorders.

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Hillstar Bio raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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