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Osanni Bio closes $190 million Series B financing led by Patient Square Capital to advance its innovative pipeline in ophthalmology and cardiology.

PRIVATEJun 23, 2026

Amount Raised

$190 Million

Round Type

Series B

San FranciscoBiotechnologyHealth CareTherapeutics

Investors

Invus OpportunitiesRetinal Degeneration FundHorowitz GroupPatient Square Capital

Description

Osanni Bio LLC has announced the close of a $190 million Series B financing led by Patient Square Capital. The financing proceeds will be used to advance the company's current pipeline and enhance its discovery and development process. Existing investors also participated in the round. Osanni aims to leverage modern technology for efficient medicine discovery.

Quick answer

Osanni Bio raised $190 Million in a Series B round, dated June 23, 2026. Investors: Invus Opportunities, Retinal Degeneration Fund, Horowitz Group and Patient Square Capital. Osanni Bio is based in San Francisco, California, United States.

How much did Osanni Bio raise?
Osanni Bio raised $190 Million in a Series B round on June 23, 2026.
Who invested in Osanni Bio?
Invus Opportunities, Retinal Degeneration Fund, Horowitz Group and Patient Square Capital are named as investors in this round.
What does Osanni Bio do?
Osanni Bio is a development-stage therapeutics platform focused on reinventing the discovery and development of new medicines.
Where is Osanni Bio based and how big is it?
Osanni Bio is based in San Francisco, California, United States.

Source: Fundz verified event record.

Who else raised in Therapeutics and Biotechnology around the same time

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

  • Opal Therapeutics raised $1.3M (Grant) on August 7, 2026.
  • Tarsus Pharmaceuticals raised $125M (Post-IPO Equity) on August 6, 2026.
  • Expedition raised $115M (Series B) on August 5, 2026.
  • Acasti raised $10M on August 4, 2026.
  • GentiBio raised $1.2M (Grant) on August 2, 2026.
  • Ratio Therapeutics raised $70M (Series C) on July 31, 2026.

Who to call at Osanni Bio, and when

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

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Company Information

Company

Osanni Bio

Location

San Francisco, California, United States

About

Osanni Bio is a development-stage therapeutics platform focused on reinventing the discovery and development of new medicines. The company utilizes biodesign-inspired innovation and modern technology for capital-efficient drug development. Osanni is advancing programs in ophthalmology, cardiology, and other therapeutic areas. Its innovative architecture combines centralized scientific depth with the agility of independent companies to foster transformative medicine creation.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

Osanni 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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