Third Arc Bio
PrivateLast Round
Series A
Extension
Feb 4, 2026
Total Funding Raised
$217M
Company Overview
Third Arc Bio is a biotechnology company focused on developing multifunctional antibodies that deliver transformative therapies for solid tumors, inflammation, and immunological diseases by precisely activating or inhibiting T cells.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Clinical Trials
Business Model
B2B
Customer Profile
Revenue Share, Government Contracts
AI Layer
Non-AI
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.
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 | Series A Extension, Series A |
| Omega Funds | Series A, Seed, Series A Extension |
| Hillhouse Investment | Series A Extension, Series A |
| abrdn Inc. | Series A |
| Vida Ventures | 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 |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Third Arc Bio's valuation, stock price, and market status.
