# Colossal adds $120M to its Series C, reaching a $10.3B valuation, and grows pigeon germ cells toward a dodo

Canonical page: https://technooptimist.io/stories/colossal-adds-120m-to-its-series-c-reaching-a-10-3b-valuation-and-grows-889bde49
Date: 17 Sep 2025
About: [Colossal Biosciences](https://technooptimist.io/companies/colossal-biosciences.md)
Original source: https://www.biospace.com/press-releases/colossal-advances-dodo-de-extinction-with-significant-worlds-first-breakthrough-in-pigeon-pgcs-and-secures-an-additional-120m-in-funding-for-species-expansion

Colossal added $120M from USIT, Bob Nelsen and Peter Jackson to its $200M Series C, making the round $320M and total funding just over $555M at a $10.32B valuation. It also reported growing pigeon primordial germ cells in the lab for the first time, a step toward making dodo-like birds.

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