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Pioneer Fund is a venture capital fund of 500+ Y Combinator alumni that invests in and supports top startups from Y Combinator. Based in San Francisco, the firm focuses on seed-stage opportunities across a broad range of sectors.
Their most common stage is seed (58% of deals). Average disclosed round size is $7.5M (across 180 rounds with reported amounts).
Portfolio
176
Fund Size
—
Top Stage
Seed
Last 12 Mo
14
Team
MD
Mike Dilworth
General Partner, CFO
RB
Rajiv Bhat
General Partner - AI, Senior Venture Partner
RG
Rob Genovese
Managing Director
AM
Alexander Mistakidis
Investment Partner
BJ
Bede Jordan
Portfolio Founder, Senior Venture Partner
BK
Beth Kolko
Investment Partner
CH
Connor Hailey
Senior Venture Partner
DB
Daniel Baum
Visiting Senior Venture Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
197 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 VideoGen | Seed | $3.3M | Sep 2026 |
 Henry AI | Series A | $16.5M | Jul 2026 |
 Landeed | Seed | $8.3M | May 2026 |
 Didit | Seed | $6M | May 2026 |
 Didit | Seed | $7.5M | May 2026 |
 Fazeshift | Series A | $22M | May 2026 |
 Manufact | Seed | $6.3M | Feb 2026 |
| NNuVision Biotherapies | Unknown | — | Feb 2026 |
 Bolna | Series A | $6.3M | Jan 2026 |
| Didit | Seed | $7.5M | Jan 2026 |
 Uplift AI, Inc | Seed | $3.5M | Jan 2026 |
 Alien | Pre-Seed | $7.1M | Jan 2026 |
 PgDog | Seed | $5.5M | Jan 2026 |
 Pally | Seed | $5.2M | Jan 2026 |
| Bolna | Seed | $6.3M | Jan 2026 |
 Multifactor, Inc | Seed | $15M | Dec 2025 |
 Guide Labs | Seed | $9M | Dec 2025 |
 Magic Patterns | Series A | $6M | Nov 2025 |
 Adam | Seed | $4.1M | Oct 2025 |
 Adam | Unknown | $4.1M | Oct 2025 |
 Mastra | Seed | $13M | Aug 2025 |
 Alaan | Series A | $48M | Aug 2025 |
 Caseflood.ai | Unknown | $3.2M | Jul 2025 |
 Cascade Space | Seed | $5.9M | Jul 2025 |
 Cekura | Seed | $2.4M | Jun 2025 |
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Top Co-Investors
Y Combinator163 shared
Rebel Fund25 shared
Soma Capital18 shared
Transpose Platform12 shared
Orange Collective12 shared
Liquid 2 Ventures11 shared
Ritual Capital10 shared
468 Capital9 shared
General Catalyst9 shared
Global Founders Capital8 shared
Goodwater Capital7 shared
Alumni Ventures7 shared
Nexus Venture Partners7 shared
Wayfinder Ventures7 shared
Khosla Ventures7 shared
Felicis6 shared
Gaingels6 shared
Susa Ventures6 shared
MaC Venture Capital5 shared
Unpopular Ventures5 shared
Last updated: 20 October 2026