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GrayBug

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Biotechnology company developing technologies to treat eye diseases

Redwood City, United StatesFounded 2011Biotech & Life Sciences
Valuation $10–25M Last recorded · 2026
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
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About GrayBug

Graybug Vision, Inc. is a clinical-stage biopharmaceutical company dedicated to developing innovative medicines for chronic diseases of the retina and optic nerve. The company primarily serves patients suffering from conditions such as wet age-related macular degeneration (AMD) and primary open-angle glaucoma. Operating within the ophthalmology market, Graybug Vision focuses on creating long-lasting treatments that improve patient compliance and visual outcomes. Their business model involves extensive research and development, followed by clinical trials to ensure the efficacy and safety of their products. Revenue is generated through the commercialization of these treatments, either directly or through partnerships with larger pharmaceutical companies. Graybug Vision's flagship product, GB-401, is an intravitreal beta-blocker designed for bi-annual administration, aimed at treating primary open-angle glaucoma. The company is also actively involved in various medical and financial conferences to showcase their advancements and attract potential investors.

Source: Dealroom company data

At a glance

Founded
2011
Headquarters
Redwood City, United States
Sector
Biotech & Life Sciences

Investors

7 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A5 investors entered at this stage

  • Maryland Venture Fund
  • Hatteras Venture Partners
  • Deerfield
  • Clarus Ventures
  • OrbiMed

Series B and later2 investors entered at this stage

  • CBC Group
  • C-Bridge Capital
Team profiled 18 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇺🇸 United States · Redwood City HQ
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Market sentiment

Posts on X, past 7 days

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Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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