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Mayfield Fund is an early-stage venture capital firm that primarily invests in enterprise and consumer technology companies, with a focus on themes such as artificial intelligence, deep tech, human & planetary health, and semiconductors. Their strategy emphasizes a "People First" philosophy, partnering with visionary entrepreneurs to provide capital and strategic guidance for long-term value creation.
Deal activity increased 175% year-over-year (22 deals in the last 12 months). Average disclosed round size is $47.2M (across 128 rounds with reported amounts).
Portfolio
139
Fund Size
$3B
Top Stage
Series A
Last 12 Mo
22
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
139 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| NNeuBird AI | Series A | $19.3M | Apr 2026 |
 Frore Systems | Series D | $143M | Mar 2026 |
| RRhoda AI | Series D | $450M | Mar 2026 |
 Kana | Series A | $15M | Feb 2026 |
 Upscale AI | Series A | $200M | Jan 2026 |
| EEntelligence AI | Seed | $5M | Jan 2026 |
 Opti | Seed | $20M | Nov 2025 |
 CrunchBase | Series C | $30M | Nov 2025 |
| CrunchBase | Series B | $18M | Nov 2025 |
 Uare.ai | Seed | $10.3M | Nov 2025 |
 Inception | Seed | $50M | Nov 2025 |
 Obot AI | Seed | $35M | Sep 2025 |
 Numeral | Series B | $35M | Sep 2025 |
| Upscale AI | Seed | $100M | Sep 2025 |
 ProRata.ai | Series B | $40M | Sep 2025 |
 OpenLight | Series A | $34M | Aug 2025 |
 Scrunch AI | Series A | $15M | Jul 2025 |
 Sema4.ai | Series A | $25M | Jun 2025 |
 Realta Fusion | Series A | $36M | May 2025 |
 Supio | Series C | $60M | Apr 2025 |
 Exaforce | Series A | $75M | Apr 2025 |
 Auradine, Inc. | Series C | $153M | Apr 2025 |
 Retym | Series D | $75M | Mar 2025 |
 NeuBird | Seed | $22.5M | Dec 2024 |
 TeamBridge | Series B | $28M | Sep 2024 |
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Top Co-Investors
GGV Capital9 shared
Khosla Ventures7 shared
Celesta Capital7 shared
Stepstone7 shared
M12 (Microsoft)6 shared
General Catalyst6 shared
Menlo Ventures6 shared
Kleiner Perkins6 shared
Qualcomm Ventures6 shared
MVP Ventures5 shared
Tiger Global Management5 shared
Stanford University5 shared
True Ventures5 shared
Sapphire Ventures5 shared
Norwest Venture Partners5 shared
Y Combinator5 shared
Benchmark4 shared
Salesforce4 shared
Uncork Capital4 shared
Capricorn4 shared
Last updated: 10 April 2026