Substack completes $100 million funding round, with a16z participating.
According to a report by Jinse Finance and TechinAsia, Substack recently completed a $100 million financing round led by BOND and The Chernin Group, with participation from Andreessen Horowitz, Rich Paul of Klutch Sports Group, and Jens Grede, co-founder of Skims Body Inc. After this round of financing, Substack's valuation reached $1.1 billion.