Investor Name	Invest Money	Lead Investor	Propotion
Berkshire Hathaway	-	Yes	-	Detail

Announced Date	Round	Money Raised	Investors
Jun 8, 2021	Series G	$ 750M	Berkshire Hathaway	Detail
Jun 2, 2015	Series B	$ 30M	Sequoia Capital	Detail
Jul 26, 2019	Series F	$ 400M	Sequoia Capital	Detail
Jan 7, 2016	Series C	$ 52M	Sequoia Capital	Detail
Sep 25, 2014	Series A	$ 14.30M	Sequoia Capital	Detail
Dec 6, 2016	Series D	$ 80M	Sequoia Capital,Redpoint	Detail
Jan 28, 2021	Series G	$ 400M	Sequoia Capital,Invesco	Detail
Mar 1, 2018	Series E	$ 150M	Redpoint	Detail