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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 78 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 · Canada. 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.
Greylock’s selected top 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 →
+17 more $1B+ exits on the full Dealroom profile.
The 78 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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USA72
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UK2
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Canada1
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Israel1
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Netherlands1
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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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Marketing7
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eCommerce & Marketplaces7
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Other6
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Transportation3
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Health Tech & Medtech2
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Robotics1
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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 78 Power Law outcomes.
How does Greylock stack up?
Greylock in orange, your selection in blue and other colours. Pick from the global roster of 35 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 entry stage and outcome tierSector focus
Companies per investor across the 10 highest-volume sectorsWhere Greylock's portfolio founders come from — and where they studied.
222 founders across the 78 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?
The Dealroom platform tracks every round, every co-investor, and every portfolio company in real time — across 25,000+ investors and 3M+ companies globally.























