Osanni Bio
Provider of a development-stage therapeutics platform.
Provider of a development-stage therapeutics platform. Headquartered in San Francisco, CA. Raised $190M in Series B funding in June 2026 led by Patient Square Capital.
Healthcare
📍 San Francisco, CA
Current Valuation
Private
PRIVATE
IPO Outlookprivate
Is Osanni Bio going public?
No. Osanni Bio is private and has not filed to go public. There is no S-1 on file.
What is Osanni Bio's valuation in 2026?
No confirmed valuation is on record for Osanni Bio. The roster shows funding and investors where they are public; it does not estimate a mark.
Has Osanni Bio filed an S-1?
No public S-1 is on file for Osanni Bio.
Who are Osanni Bio's investors?
Osanni Bio's investors include Patient Square Capital, Horowitz Group, Invus Opportunities, Retinal Degeneration Fund.
How much has Osanni Bio raised?
Osanni Bio has raised $190M in total across 1 disclosed round, most recently a Series B of $190M in Jun 2026.
Is Osanni Bio publicly traded — can you buy Osanni Bio stock?
No. Osanni Bio is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Osanni Bio on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
Last Round
Series B — $190M (Jun 2026) · Lead: Patient Square Capital
Fundraising Status
Series B · $190M · 3 mo ago
privateTotal raised $190M1 disclosed rounds
Funding History
| Round | Amount | Date | Lead Investor | Post-Money |
|---|
| Series B | $190M | Jun 2026 | Patient Square Capital | — |
Vertical Intelligence — Biotech / Gene Therapy
No name-verified sponsor record on ClinicalTrials.gov for Osanni Bio — trials may run under a different legal entity, a partner sponsor, or not yet exist. Absence of a registry match is reported as-is, never guessed around.
Checked clinicaltrials.gov as of 2026-09-19. Re-checked weekly.
Talent Signal
No public careers page or job board could be found for Osanni Bio as of 2026-09-14. That itself is a datapoint: no open external hiring surface.
Checked the company site and major hosted job boards. Re-checked monthly.
Investors
Patient Square Capital · Horowitz Group · Invus Opportunities · Retinal Degeneration Fund
HealthcareBiotechnologyRecently Funded
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of recent date. Refreshed quarterly.