Theory Ventures

Quick read

Theory Ventures is a seed and Series A VC firm founded in 2023 by Tomasz Tunguz, headquartered in San Francisco, US. It backs early-stage software companies that turn technology discontinuities into go-to-market advantages, with a focus on AI, SaaS, and data infrastructure. The firm reached $688M AUM across two funds in under two years.

Key facts

Founded

2023

Founders

Tomasz Tunguz

Employees

1-10

Sectors

saas, ai, enterprise, fintech

Website

theoryvc.com

Investment thesis

Theory Ventures backs seed and Series A software companies — primarily in AI, SaaS, and data infrastructure — that exploit technology discontinuities to build durable go-to-market advantages. Check sizes run $1M–$25M.

Recent activity

• Jul 2026investment
  Theory Ventures led a $65M Series B for Ollama, the open-source tool that lets developers run AI models on personal computers. venturecapital.com
• Jun 2026investment
  Theory Ventures participated in Sail Research's $80M AI agent infrastructure round alongside Kleiner Perkins, Redpoint, and Sequoia. tracxn.com
• Jun 2026investment
  Theory Ventures invested in Delphi Digital's Series B on June 28, 2026, its most recent disclosed deal per CB Insights. cbinsights.com
• Jun 2026investment
  Portfolio company Aampe exited on June 24, 2026 — Theory Ventures' latest portfolio exit to date. cbinsights.com
• May 2026press
  Tomasz Tunguz published analysis titled "The $575B AI Bet (Biggest Since the World Wars) and the New Two-Buyer Reality in Software," continuing the firm's public data-driven research cadence. cbinsights.com
• Mar 2026fundraise
  Theory Ventures closed its second fund at $450M, targeting early-stage AI, SaaS, and fintech investments. Total AUM reached $688M. superscout.co
• Feb 2026investment
  Theory Ventures led Koah's $20.5M Series A. Koah builds contextual advertising infrastructure for generative AI apps. Tomasz Tunguz joined the board. lifestyle.myeaglecountry.com
• Jul 2026press
  Tomasz Tunguz is scheduled to speak at TechCrunch Disrupt 2026 on the Builders Stage, presenting alongside Ryan Meadows of Lovable on multi-product growth strategies. techcrunch.com
• Nov 2024fundraise
  Theory Ventures closed its second fund at $450M, bringing total AUM to $688M across two funds in roughly two years. sourcery.vc
• Apr 2025press
  Tomasz Tunguz appeared on the Stack Overflow podcast to discuss AI's effect on venture capital and the labor market. stackoverflow.blog
• 2025investment
  Theory Ventures led Koah's $20.5M Series A. Koah's platform processed over 170 million queries and 35 million native ad impressions in its first 13 months. linkedin.com
• 2025investment
  Portfolio company Tobiko Data was acquired — the firm's first acquisition exit. tracxn.com

Notable investments

• OllamaSeries BJul 2026venturecapital.com
• Delphi DigitalSeries BJun 2026cbinsights.com
• Sail ResearchSeries BJun 2026tracxn.com
• AlliumSeries B2026cbinsights.com
• KoahSeries AFeb 2026lifestyle.myeaglecountry.com
• DropzoneSeries B2025tracxn.com
• AlliumUnknownUnknowntracxn.com
• OmniUnknownUnknowntracxn.com
• Tobiko DataUnknownUnknowntracxn.com
• Omni AnalyticsSeries UnknownApr 2026pitchbook.com
• ArtemisSeries A2026tomtunguz.com
• Alliumtracxn.com

Key people

Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.

• Tomasz Tunguz · General Partner / Founder
• Calvin French-Owen · Partner
• Kristin Beach · CFO

Sources

• About Theory Ventures — $688M AI & Data Infrastructure VC
• Theory Ventures: The Early Stage Founder's Guide
• Theory Ventures investment portfolio | PitchBook
• Theory Ventures - 2026 Investor Profile | Tracxn
• $688M AUM in 2 Years | Tomasz Tunguz, Theory Ventures
• Tomasz Tunguz | tomtunguz.com
• Tomasz Tunguz of Theory Ventures on Venture Unlocked
• Kristin Beach, Theory Ventures Management LLC — Bloomberg
• https://stackoverflow.blog/2025/04/08/bottom-of-the-first-a-veteran-vc-s-take-on-the-ai-landscape/
• https://www.linkedin.com/in/lauren-demeuse/
• https://venturecapital.com/headlines/funding-events/ollama-secures-65m-series-b-funding-led-by-theory-ventures-v1
• https://www.cbinsights.com/investor/theory-ventures
• https://lifestyle.myeaglecountry.com/story/80978/koah-raises-20-5m-series-a-led-by-theory-ventures-to-scale-ai-native-monetization/
• https://techcrunch.com/2026/07/01/builders-stage-agenda-revealed-practical-strategies-for-scaling-startups-at-techcrunch-disrupt-2026/

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Frequently asked