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Andreessen Horowitz
Venture capital firm · Founded 2009 · Active in 2026
Andreessen Horowitz was founded in Menlo Park in 2009 by Marc Andreessen and Ben Horowitz. The firm grew from a $300M first fund to one of the largest venture managers in the world, structured around thesis-driven verticals — crypto (a16z crypto), American Dynamism (defence, manufacturing, climate), bio + health, AI infrastructure, fintech, consumer, and games.
a16z is associated with the 'Software Is Eating the World' essay and an aggressive content strategy. Notable bets include Coinbase, GitHub, Databricks, Lyft, and Mistral AI.
a16z’s biggest exits.
a16z portfolio companies worth $1B+ that have IPO’d or been acquired. Each shows its valuation at exit and, in grey, its current value if still public.
a16z’s selected top holdings.
An estimate of a16z’s largest live positions — disclosed shareholding × Dealroom’s latest valuation — across 79 companies where a16z is a named shareholder, worth about $62.7B in estimated equity value.
Showing the 12 largest of 79 disclosed direct holdings.
6 companies hidden on this public profile. Estimated value = a16z’s disclosed ownership % × Dealroom’s latest company valuation; direct named stakes only, exited positions excluded. Figures are indicative, not reported marks. a16z also appears inside investor groups in ElevenLabs, Magic Leap, Mission Lane, SpaceX | xAI, Thinking Machines Lab, where a standalone stake isn’t disclosed. See the underlying cap tables on Dealroom →
+27 more $1B+ exits on the full Dealroom profile.
The 209 a16z Power Law outcomes ($100M+ revenue or $1B+ valuation).
Snapshot of where the outcomes are concentrated by country, sector, and stage entered.
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USA191
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UK5
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Canada3
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Denmark1
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Colombia1
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Singapore1
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Decentralised1
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France1
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Hong Kong1
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Brazil1
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Germany1
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India1
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Fintech43
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AI33
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Other B2B Software28
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Cybersecurity17
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eCommerce & Marketplaces15
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Health Tech & Medtech15
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Biotech & Life Sciences12
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Marketing11
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Other10
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Transportation8
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Space5
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Energy4
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Series B+92
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Series A74
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Seed37
a16z's 209 Power Law outcomes.
How does a16z stack up?
a16z in orange, your selection in blue and other colours. Pick from the global roster of 609 peer investors — scope by startup location or hit "Find similar shapes" to auto-pick the three closest. The funnel matrix mirrors the spider chart on the ranking page; the line chart shows each firm's share of unicorns minted in the selected startup location — peaks reveal vintage years.
Share of new unicorns per year
% of global unicorns minted that year, year by year · hover the chart to see which unicornsStage focus
Companies by selected outcome stageSector focus
Companies per investor across the 10 highest-volume sectorsBeyond Unicorns — how the portfolio compounds
% of each investor's unicorn portfolio that later crossed $10B, $25B and $50B. Pick a sort tier and entry stage.Where a16z's portfolio founders come from — and where they studied.
757 founders across the 209 Power Law outcomes — split by country of origin, university attended, and the company they worked at before founding. Stanford University and Alphabet | Google are the deepest single pipelines.
Key people at a16z.
Market sentiment
What the market is saying about Andreessen Horowitz
An AI-synthesized read of the highest-engagement posts about a16z on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
In the news
Latest news about Andreessen Horowitz
Recent press, funding announcements, and portfolio moves mentioning a16z — pulled live from Dealroom's news feed.
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