Allbirds raised a Series C round for 50,000,000 USD in October, 2018.
Series C - Allbirds - 2018-10-11 - Overview | Crunchbase
https://www.crunchbase.com/funding_round/allbirds-series-c--74341f12#section-investors
Web
Trendy Sneaker Startup Allbirds Laces Up $1.4 Billion Valuation
Rob Copeland
https://www.wsj.com/articles/trendy-sneaker-startup-allbirds-laces-up-1-4-billion-valuation-1539281112
October 11, 2018