Capital One Agrees to Acquire Brex for $5.15 BillionCrunchbase News · Jan 2026
Capital One agreed to acquire Brex in a cash-and-stock deal valued at $5.15 billion; the acquisition represents a significant strategic move into business payments and comes after Brex had raised approximately $1.7B in equity and debt since 2017. The deal reflects a valuation lower than Brex's peak private valuation and is described in coverage as a major bank–fintech transaction [Crunchbase News](https://news.crunchbase.com/ma/capital-one-acquisition-fintech-startup-brex).
Brex $300M Funding (Oct 2021) — Valued as a DecacornCrunchbase News · Oct 2021
Reports in October 2021 covered a $300M funding event for Brex that followed its Series D and was described in market coverage as supporting a decacorn-scale valuation (circa $10B) [Crunchbase News](https://news.crunchbase.com/venture/biggest-vc-startup-funding-deals-greystone-deel-brex).
Brex Announces $425M Series D Led by Tiger Global (April 2021)Brex Press Release · Apr 2021
Brex announced a $425 million Series D round led by Tiger Global Management, with participation from TCV, GIC, Baillie Gifford, Durable Capital and others, at a post-money valuation reported at about $7.4 billion [Brex Press Release](https://www.brex.com/journal/press/series-d-investment).
Brex Raises $150M (May 2020) — Series C ExtensionCrunchbase News / FinTech coverage · May 2020
Brex raised $150M in May 2020 (Series C extension) with participation from DST Global and Lone Pine Capital; the raise was reported at a valuation just over $3 billion and preceded a round of staff reductions as the company re-focused resources [Crunchbase News](https://news.crunchbase.com/venture/brex-cuts-staff-after-raising-150m).
Brex Reported $125M Series C (Oct 2018) at $1.1B ValuationCrunchbase News · Oct 2018
Coverage from 2018 notes a $125M Series C in October 2018 with a post-money valuation of approximately $1.1 billion [Crunchbase News](https://news.crunchbase.com/venture/quick-notes-on-the-impending-brex-round).