MA
Marc Andreessen
Angel investor · Active in 2026
Marc Andreessen is an angel investor based in USA. The page below shows 9 Power Law outcomes from Marc Andreessen's portfolio — 7 unicorns ($1B+ valuation) and 2 additional thoroughbreds (companies that crossed $100M+ in revenue without yet reaching $1B+ valuation).
Outcomes are concentrated in Other · Fintech · Other B2B Software; top portfolio geographies are USA. Marc Andreessen ranks #375 in Global in the 2026 Dealroom Power Law Investor Ranking by cross-stage outcomes.
Marc Andreessen’s biggest exits.
Marc Andreessen 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.
The 9 Marc Andreessen Power Law outcomes ($100M+ revenue or $1B+ valuation).
Snapshot of where the outcomes are concentrated by country, sector, and stage entered.
-
USA9
-
Other3
-
Fintech2
-
Other B2B Software2
-
Cybersecurity1
-
AI1
-
Series B+3
-
Series A3
-
Seed3
Marc Andreessen’s biggest current holdings.
An estimate of Marc Andreessen’s largest live positions — disclosed shareholding × Dealroom’s latest valuation — across 1 companies where Marc Andreessen is a named shareholder, worth about $347M in estimated equity value.
-
1
Improbable
10.2%
$3.4B
$347M
Estimated value = Marc Andreessen’s disclosed ownership % × Dealroom’s latest company valuation; direct named stakes only, exited positions excluded. Figures are indicative, not reported marks. See the underlying cap tables on Dealroom →
Marc Andreessen's 9 Power Law outcomes.
How does Marc Andreessen stack up?
Marc Andreessen 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 Marc Andreessen's portfolio founders come from — and where they studied.
22 founders across the 9 Power Law outcomes — split by country of origin, university attended, and the company they worked at before founding. Stanford University Graduate School of Business and Alphabet | Google are the deepest single pipelines.
Key people at Marc Andreessen.
Suggest the partner roster →
Market sentiment
What the market is saying about Marc Andreessen
An AI-synthesized read of the highest-engagement posts about Marc Andreessen 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 Marc Andreessen
Recent press, funding announcements, and portfolio moves mentioning Marc Andreessen — pulled live from Dealroom's news feed.
Want the full picture on Marc Andreessen?
The Dealroom platform tracks every round, every co-investor, and every portfolio company in real time — across 25,000+ investors and 3M+ companies globally.