Basis Theory Funding: $50M Raised, Series B (2025)
Basis Theory is a Fintech company based in Mill Valley, CA. It has raised $50M in total funding. Latest round: Series B.
Basis Theory funding overview
Basis Theory is a Fintech company based in Mill Valley, CA. Basis Theory has raised $50M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Series B announced in October 2025. The round record for Basis Theory runs through 2025; nothing later has been disclosed. Investors on record include Costanoa Ventures, Stage 2 Capital, Moneta VC, Bessemer Venture Partners, Kindred Ventures, Box Group and 1 others. 7 distinct backers are named across the disclosed rounds.
Basis Theory has raised $50M in total disclosed funding across the rounds on record.
Who has invested in Basis Theory?
Costanoa Ventures, Stage 2 Capital, Moneta VC, Bessemer Venture Partners, Kindred Ventures, Box Group are named among the investors backing Basis Theory.
What was the latest Basis Theory funding round?
The most recent disclosed round is a Series B, announced in October 2025.
Where is Basis Theory based?
Basis Theory is based in Mill Valley, CA.
What sector does Basis Theory operate in?
Basis Theory is tracked under Fintech from Mill Valley, CA, with $50M in disclosed funding.
When did Basis Theory last raise?
The last disclosed Basis Theory round closed in October 2025 at Series B.
Round data for Basis Theory is compiled from public filings and announcements; blank fields mean nothing has been disclosed rather than nothing exists. Continue with the Fintech companies in Mill Valley and backer lists below.
