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VENTURE CAPITAL · SAN FRANCISCO BAY AREA

Andreessen Horowitz

A venture capital firm based in San Francisco Bay Area. Lead investor in 2 of its 4 rounds on ExitStack-listed companies.

Venture CapitalSan Francisco Bay AreaLead investor

ABOUT

Andreessen Horowitz, known as a16z, founded in 2009 and based in Menlo Park, California, is a venture capital firm investing from seed to growth stage in technology companies. It reports more than US$100Bn in assets under management as of April 2026. Its portfolio includes Story Engine and Stuut.

PORTFOLIO · 2 COMPANIES

ROUNDS · 4

Andreessen Horowitz took part in 4 rounds on listed companies. 4 have a public amount, totalling US$86.2Mn in round size (the investor's own cheque is not disclosed).

DATECOMPANYROUNDAMOUNTROLE
7 Oct 2026StuutSeries BUS$52.5MnParticipant
20 Nov 2025StuutSeries AUS$29.5MnLead
10 Dec 2024Story EngineSeedUS$3.4MnParticipant
17 Sep 2024Story EnginePre-SeedUS$750KLead

Amounts appear only where a public source exists. Round size, not the investor's cheque.

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