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Greylock Partners
Venture capital firm · Founded 1965 · Active in 2026
Greylock Partners is a venture capital firm based in USA, founded in 1965. The page below shows 80 Power Law outcomes from Greylock Partners's portfolio — 73 unicorns ($1B+ valuation) and 2 additional thoroughbreds (companies that crossed $100M+ in revenue without yet reaching $1B+ valuation).
Outcomes are concentrated in Other B2B Software · AI · Cybersecurity; top portfolio geographies are USA · UK · Netherlands. Greylock ranks #46 in Global in the 2026 Dealroom Power Law Investor Ranking by cross-stage outcomes.
Greylock’s biggest exits.
Greylock 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.
+16 more $1B+ exits on the full Dealroom profile.
The 80 Greylock 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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USA73
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UK2
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Netherlands1
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Australia1
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Canada1
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Israel1
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Spain1
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Other B2B Software14
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AI14
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Cybersecurity13
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Fintech10
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Other8
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Marketing7
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eCommerce & Marketplaces6
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Transportation4
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Health Tech & Medtech3
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Biotech & Life Sciences1
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Series B+39
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Series A30
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Seed7
Greylock’s biggest current holdings.
An estimate of Greylock’s largest live positions — disclosed shareholding × Dealroom’s latest valuation — across 11 companies where Greylock is a named shareholder, worth about $4.8B in estimated equity value.
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1
Abnormal Security
24%
$5.1B
$1.2B
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2
Discord
5%
$15.0B
$750M
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3
BaseTen
13.5%
$5.0B
$675M
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4
Lyra Health
9.5%
$5.8B
$556M
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5
Cato Networks
8.5%
$4.8B
$408M
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6
Nuro
4.2%
$6.0B
$252M
- 7 6.5% $3.5B $228M
- 8 13.5% $1.6B $216M
- 9 14% $1.3B $182M
- 10 9% $2.0B $180M
- 11 7% $1.6B $112M
5 companies hidden on this public profile. Estimated value = Greylock’s disclosed ownership % × Dealroom’s latest company valuation; direct named stakes only, exited positions excluded. Figures are indicative, not reported marks. Greylock also appears inside investor groups in Ironclad, where a standalone stake isn’t disclosed. See the underlying cap tables on Dealroom →
Greylock's 80 Power Law outcomes.
How does Greylock stack up?
Greylock 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 Greylock's portfolio founders come from — and where they studied.
215 founders across the 80 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 Greylock.
Market sentiment
What the market is saying about Greylock Partners
An AI-synthesized read of the highest-engagement posts about Greylock 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 Greylock Partners
Recent press, funding announcements, and portfolio moves mentioning Greylock — pulled live from Dealroom's news feed.
Want the full picture on Greylock Partners?
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