M
Mayfield
Other · Founded 1969 · Menlo Park, United States
Mayfield’s biggest current holdings.
Mayfield is a named shareholder in 5 companies. Dealroom estimates those stakes are worth about $1.1B in total — the disclosed percentage × each company’s latest valuation. The 5 biggest are below, each sized by that estimate.
Outreach
$528M
12% of $4.4B
Alchemy
$204M
2% of $10.2B
BigPanda
$138M
11.5% of $1.2B
SeekOut
$108M
9% of $1.2B
Mammoth Biosciences
$95M
9.5% of $1.0B
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1
Outreach
12%
$4.4B
$528M
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2
Alchemy
2%
$10.2B
$204M
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3
BigPanda
11.5%
$1.2B
$138M
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4
SeekOut
9%
$1.2B
$108M
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5
Mammoth Biosciences
9.5%
$1.0B
$95M
Estimated value = Mayfield’s disclosed ownership % × Dealroom’s latest company valuation; direct named stakes only, exited positions excluded. Figures are indicative, not reported marks. See the underlying shareholder registers on Dealroom →
Mayfield’s biggest exits.
Portfolio companies that IPO’d or were acquired at $1B+, with the valuation recorded at exit and — for those still public — their value today. Exit events come from each company’s funding-round history; entry stage from Mayfield’s transaction record.
Where Mayfield’s portfolio is concentrated.
Distribution of portfolio companies by headquarters country, sector, entry stage and current growth stage. Across all 348 portfolio companies. "Stage entered" is the first priced round the investor joined, derived from the investor’s transaction history.
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USA301
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India29
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China10
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UK5
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Australia2
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Israel2
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Canada1
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Cuba1
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France1
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Singapore1
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Tonga1
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Uruguay1
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Enterprise Software93
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Media47
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Health29
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Marketing29
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Telecom26
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Security25
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Fintech24
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Semiconductors22
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Food16
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Transportation15
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Hosting12
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Education9
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Series A152
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Series B+122
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Seed66
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Breakout Stage183
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Early Growth82
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Late Growth81
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Mature9
Inside Mayfield’s portfolio.
The 60 highest-funded portfolio companies, of 348 tracked.
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AkWhere Mayfield’s portfolio founders come from.
136 founders across the 100 highest-funded portfolio companies — by current location, university attended, and the companies they worked at before founding. Sourced from the founder records the API links to each portfolio company.
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United States98
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India15
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Israel3
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United Kingdom3
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Canada2
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China2
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Argentina1
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Cuba1
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Germany1
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Hong Kong1
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Stanford University18
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University of California, Berkeley8
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Indian Institute of Technology Bombay5
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Indian Institute of Technology Kanpur4
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Stanford University Graduate School of Business4
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UC Berkeley, Haas Business School4
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University of Illinois Urbana Champaign4
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Cornell University3
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Indian Institute of Technology, Delhi3
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Indian Institute of Technology, Madras3
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Alphabet | Google8
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Microsoft8
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Intel Corporation6
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Juniper Networks6
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Stanford University6
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Sun Microsystems5
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Amazon4
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F54
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Qualcomm4
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Texas Instruments4
Similar investors.
Peers the API surfaces as most similar by portfolio shape, with Dealroom investor rank and portfolio scale.
Key people at Mayfield.
