Andreessen Horowitz (a16z) is a Menlo Park venture capital firm investing across software, fintech, crypto, biotech, and AI, with over $100B in assets under management.
Menlo Ventures is a Menlo Park, California-based venture capital firm investing in technology companies from seed through growth stage, spanning enterprise software, consumer tech, AI, and healthcare.
The Verdict: Andreessen Horowitz vs Menlo Ventures
Andreessen Horowitz and Menlo Ventures share a Menlo Park zip code but operate at very different scale. Menlo Ventures, founded in 1976, runs about $6.8B under management and just closed $3B in new capital at its 50th anniversary in 2025 — its largest raise ever — spread across a flagship fund and its Inflection AI-focused vehicle. a16z, founded in 2009, is roughly 13x larger at $90B AUM after a $15B raise in early 2026, with separate funds for crypto, biotech, and American Dynamism rather than one generalist pool.
Menlo Ventures suits founders and LPs who want a firm sized for concentrated, high-conviction bets — its 2025-2026 deals include Lovable, Suno, Nourish, and OpenRouter — plus a half-century of Silicon Valley relationships. a16z suits founders who want a mega-platform with in-house recruiting, policy, and marketing arms, and LPs seeking the broadest sector exposure in a single commitment. Readers comparing check-writing power should note a16z can lead the largest late-stage rounds that Menlo's smaller fund size cannot single-handedly anchor.
Frequently asked questions
How much bigger is a16z than Menlo Ventures?
Andreessen Horowitz manages roughly $90B in AUM versus Menlo Ventures' approximately $6.8B, making a16z about 13 times larger. Both raised significant new capital in 2025-2026, but a16z's $15B raise alone was more than double Menlo's entire AUM.
What was Menlo Ventures' biggest recent fundraise?
Menlo Ventures raised $3B in new capital in 2025 at its 50th anniversary, the largest raise in the firm's history, aimed at backing AI leaders through its flagship fund and its Inflection AI vehicle, which separately targeted $800M.
Is Menlo Ventures older than Andreessen Horowitz?
Yes. Menlo Ventures was founded in 1976, making it 33 years older than Andreessen Horowitz, founded in 2009. Menlo is one of the original Sand Hill Road firms, while a16z is a newer entrant that has grown far larger.
Data from Value Add Pulse coverage and company research — see the full threads for Andreessen Horowitz and Menlo Ventures.