Company
Third Arc Bio
Creating the Next Wave of Multifunctional Antibodies
Also known as Third Arc Bio, Inc.
- Status
- Operatingas of 2026-09-18
- Business model
- B2B
- Headquarters
- Lower Gwynedd, PA, United States
- Legal name
- Third Arc Bio, Inc.
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Record updated 28 September 2026
About
Third Arc Bio's approach unlocks the powerful biology of immune synapses to address large unmet need in complex disease areas like solid tumors and immunology and inflammation (I&I).
Funding snapshot
- Total raised
- $72.5MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
- Latest round
- Series A, $52M2026-02-04
Funding rounds
- Series A
- $52M2026-02-04, Company stated
- Round, 2024
- $72.5M2024-07-16, SEC form D sold, 32 investors
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