Company
Ladder Bio
Spiroligomer™ Molecules – Reimagining Peptides
Also known as ThirdLaw Molecular Inc.
- Status
- Operatingas of 2026-09-17
- Business model
- B2B
- Founded
- 2020
- Legal name
- ThirdLaw Molecular Inc.
- ladderbio.com (opens in a new tab)
- LinkedIn (opens in a new tab)
- X (opens in a new tab)
- Press page (opens in a new tab)
Record updated 28 September 2026
About
We have developed a novel chemical platform of synthetic, modular, fused-ring structures with a diverse range of functional groups, allowing us exquisite control of their molecular shapes. Using this platform, Ladder Bio is designing and synthesizing libraries of billions of unique, elegantly structured, chemically diverse compounds for highly selective binding of proteins of biologic interest.
Funding snapshot
- Total raised
- $5.5MSum of rounds, as of 2026-09-17Source (opens in a new tab)
- Latest round
- Seed, $5.5M2025-11-12
Funding rounds
- Seed
- $5.5M2025-11-12, Company stated
- Round, 2025
- $5.5M2025-09-02, SEC form D sold, 4 investors
Products
- Other
- Spiroligomer™ Molecules