Andreessen Horowitz

Method

Andreessen Horowitz, based in Menlo Park, is the venture firm that names the creator economy as a thesis in 2021 and puts money behind the rails rather than the creators. It leads Substack's 15.3 million dollar Series A announced July 16, 2019 and its 65 million dollar Series B in 2021, then joins the 100 million dollar round at a 1.1 billion dollar valuation reported on July 17, 2025 with BOND and The Chernin Group. It leads Clubhouse's 12 million dollar Series A in May 2020 at a 100 million dollar valuation and the Series B announced January 24, 2021 at about 1 billion dollars; Clubhouse reaches 4 billion dollars in April 2021 and cuts half its roughly 200 staff on April 27, 2023. Its Stir investment is unconfirmed.

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The path: money and goods moving

• invested inSpring (Teespring)Andreessen Horowitz leads Teespring's 20 million dollar Series A in January 2014.2014
• invested inSubstackAndreessen Horowitz leads Substack's 15.3 million dollar Series A on July 16, 2019 and its 2021 Series B at a 650 million dollar valuation, and joins the 100 million dollar round at 1.1 billion dollars reported July 17, 2025.2019 to 2025
• invested inClubhouseAndreessen Horowitz leads Clubhouse's 12 million dollar Series A in May 2020 at a 100 million dollar valuation and its Series B announced January 24, 2021 at about 1 billion dollars; the April 2021 Series C at about 4 billion dollars is led by Tiger Global and DST with a16z participating.2020 to 2021
• invested inStirAndreessen Horowitz leads Stir's Series A in February 2021 at a 100 million dollar valuation.2021