Ethyreal Bio
PrivateLast Round
Series B
Jun 10, 2026
Total Funding Raised
$161M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Ethyreal Bio is a biotechnology company developing ETHY-001, a monoclonal antibody antagonist of the thyroid stimulating hormone receptor (TSHR) for the treatment of Graves' disease and thyroid eye disease.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Clinical Trials, Precision Medicine
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Ethyreal Bio Comparables
Compare Ethyreal Bio with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Yarrow Bioscience, Inc. | 90% | |
| Viridian Therapeutics | 76% | |
| Immunovant | 76% |
Ethyreal Bio Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Jun 10, 2026 | ||||
| Series B | Jan 1, 2026 | ||||
| Series A | Jun 1, 2024 |
Ethyreal Bio Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Avoro Capital | Series B |
| Atlas Venture | Series B, Series A |
| Medicxi | Series B, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 10, 2026
$60M round led by Avoro Capital.
- Jan 1, 2026
$60M round led by Avoro Capital
Recent news
Latest coverage and updates
- attends_eventJun 15, 2026
Ethyreal Bio attends event ENDO 2026.
Ethyreal Bio Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Ethyreal Bio's valuation, stock price, and market status.
Is Ethyreal Bio a public or private company?
Ethyreal Bio is a private company.
What is the current stock price of Ethyreal Bio?
Ethyreal Bio is a private company with no public stock price. No recent secondary market data is available.
How much is Ethyreal Bio worth (valuation)?
Valuation information for Ethyreal Bio is not publicly available.
Can I buy Ethyreal Bio stock?
Ethyreal Bio shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Ethyreal Bio's last funding round?
Ethyreal Bio's most recent funding round was Series B on June 10, 2026.
Who are the main investors in Ethyreal Bio?
Key investors in Ethyreal Bio include Avoro Capital, Atlas Venture, Medicxi.
Will Ethyreal Bio IPO soon?
No public IPO plans have been announced for Ethyreal Bio.
How can I track Ethyreal Bio secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Ethyreal Bio's secondary market activity and sign up for updates.