AltruistACQUIRED · FOUNDED 2018
Prosper MarketplacePRIVATE · FOUNDED 2005Each bar is the last disclosed mark — $4B for Altruist (acquisition, Aug 2026) and $1.9B for Prosper Marketplace (post-money, Apr 2015).


AltruistACQUIREDFintech · US · 2018
Prosper MarketplacePRIVATEFintech · US · 2005
The $4B tells you…
The $1.9B tells you…A acquisition print and a post-money print are priced by different buyers under different terms, so the two numbers stay side by side, each with its own chip, and no ratio is scored. Both are private: there is no public quote and no Canborsa market on either name.
Altruist operates in Fintech, and Prosper Marketplace operates in Financial technology / peer-to-peer lending.
Altruist is valued at $4B, and Prosper Marketplace at $1.9B.
Altruist was founded in 2018, and Prosper Marketplace was founded in 2005.
Altruist's status is acquired; Prosper Marketplace's status is private.