Third Arc Bio
PrivateLast Round
Series A
Extension
Feb 4, 2026
Total Funding Raised
$249M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Third Arc Bio is a biotechnology company that develops multifunctional antibodies designed to precisely activate or inhibit T cells for the treatment of solid tumors, inflammation, and immunological diseases.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Third Arc Bio Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
Third Arc Bio Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A Extension | Feb 4, 2026 | ||||
| Series A | Jul 23, 2024 |
Key People
Founding team and executive leadership
Third Arc Bio Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Andreessen Horowitz | Series A Extension |
| Janus Henderson Group | Series A |
| Aberdeen Group plc | Series A Extension, Series A |
| Omega Funds | Series A, Seed, Series A Extension |
| Hillhouse Investment | Series A Extension, Series A |
| abrdn Inc. | Series A, Series A Extension |
| Cormorant Asset Management | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Feb 4, 2026
$52M raised in Series A Extension round.
Third Arc Bio Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about Third Arc Bio's valuation, stock price, and market status.