https://techcrunch.com/2019/01/15/opendoor-competitor-knock-raises-400m/

Home trade-in platform Knock has brought in a $400 million investment to accelerate a national expansion and double its 100-person headcount.

Foundry Group has led the Series B funding round in New York-based Knock, with participation from Company Ventures and existing investors RRE Ventures, Corazon Capital, WTI and FJ Labs . Knock co-founder and chief executive officer Sean Black declined to disclose the startup’s valuation.