2016
$11M
from 10 investors over 10 rounds
Spero® raised $11M on May 7, 2021
Investors: Bessemer Venture Partners, Alumni Ventures Group, Necessary Ventures and Left Lane Capital
Spero® raised $7M on June 19, 2020
Investors: Alumni Ventures Group and Left Lane Capital
Spero® raised $1.9M on March 1, 2019
Investors: Outbound Ventures, Litani Ventures and Soma Capital
Spero® raised $120K on August 4, 2018
Investors: Y Combinator