Ollin Biosciences

Reviewed active Updated Jun 29, 2026

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Location South San Francisco, CA
Founded 2023
Latest Stage Series B
Total Raised $330M (June 2026 round)

Investors

Andreessen Horowitz series-b (2026)

About

Ollin Biosciences is a South San Francisco-based clinical-stage biopharmaceutical company developing therapies for vision-threatening retinal diseases 123. Its lead asset, OLN324 (also known as IBI324, an Innovent partnership program), is a VEGF/Ang2 bispecific antibody being advanced into Phase 3 trials in diabetic macular edema (DME) and wet age-related macular degeneration (AMD), with studies planned to start in the second half of 2026 123. The company has reported Phase 2 (“JADE”) data in which nearly 90% of DME patients on OLN324 achieved absence of disease at 12 weeks compared with 57% on faricimab, with numerically greater vision gains and zero intraocular inflammation 12. The Series B was raised to fund the global Phase 3 program and was oversubscribed 124.

Disclaimer: This is a lean profile built from initial round coverage and may be expanded as more information becomes available.

Funding History

Date Round Amount Lead Co-investors
2026-06-23 Series B $330M TCGX, ARCH Venture Partners (co-led) a16z Bio+Health, Blackstone Multi-Asset Investing, Commodore Capital, Canada Pension Plan Investment Board (CPP Investments), RA Capital Management, T. Rowe Price Investment Management, Mubadala Capital, Monograph Capital, an unnamed sovereign wealth fund 1234

What Investors Say

No independently sourced investor quotes found at the time of this round announcement.

What Founders Say

“We are delighted to welcome a premier syndicate of new and existing investors who share our vision of advancing OLN324 as a potential new standard of care in retinal vascular disease.” — Jason Ehrlich, M.D., Ph.D., Co-Founder and CEO, Ollin Biosciences, in the Innovent partner press release, June 23, 2026 4

Sources


  1. BusinessWire (Ollin Biosciences press release), “Ollin Biosciences Announces Oversubscribed $330 Million Series B Financing to Advance Global Phase 3 Development of OLN324 in DME and Wet AMD; Studies Commencing in Second Half of 2026,” June 23, 2026. Accessed June 2026. https://www.businesswire.com/news/home/20260623783799/en/Ollin-Biosciences-Announces-Oversubscribed-%24330-Million-Series-B-Financing-to-Advance-Global-Phase-3-Development-of-OLN324-in-DME-and-Wet-AMD-Studies-Commencing-in-Second-Half-of-202

  2. BioSpace, “Ollin Biosciences Announces Oversubscribed $330 Million Series B Financing to Advance Global Phase 3 Development of OLN324 in DME and Wet AMD; Studies Commencing in Second Half of 2026,” June 23, 2026. Accessed June 2026. https://www.biospace.com/press-releases/ollin-biosciences-announces-oversubscribed-330-million-series-b-financing-to-advance-global-phase-3-development-of-oln324-in-dme-and-wet-amd-studies-commencing-in-second-half-of-202

  3. STAT News, “Ollin Biosciences, an ophthalmology venture, grabs investors’ attention,” June 24, 2026. Accessed June 2026. https://www.statnews.com/2026/06/24/ophthalmology-biotech-ollin-biosciences/

  4. PR Newswire (Innovent partner release), “Innovent’s Partner Ollin Biosciences Announces Oversubscribed $330 Million Series B Financing to Advance Global Phase 3 Development of IBI324 (OLN324) in DME and Wet AMD; Studies Commencing in Second Half of 2026,” June 23, 2026. Accessed June 2026. https://www.prnewswire.com/news-releases/innovents-partner-ollin-biosciences-announces-oversubscribed-330-million-series-b-financing-to-advance-global-phase-3-development-of-ibi324-oln324-in-dme-and-wet-amd-studies-commencing-in-second-half-of-2026-302809651.html