Sources, PitchBook data, and news reports: the founders of Perplexity, Figure AI, Safe Superintelligence, Harvey, and others joined the nine-figure club in 2025
Just like past tech booms, the latest frenzy has produced a group of billionaires — at least on paper — from smaller start-ups.
Context & Ripple Effects
The wealth creation follows a year in which more than 80 tech startups crossed $1 billion valuations, with AI accounting for much of the cohort. Perplexity had already been pursuing financing at a proposed $18 billion valuation, illustrating how quickly private-market marks were being reset for leading AI companies.
The gains are uneven within the broader private market: PitchBook says half of US unicorns have not raised in three years. That makes the new paper fortunes a marker of capital concentrating around a relatively small set of AI leaders, rather than a broad recovery across venture-backed companies.
First-order effects
- Founders of Perplexity, Figure AI, Safe Superintelligence, Harvey and peers gain substantial paper wealth as private valuations rise; the value remains contingent on subsequent financings or liquidity events.
- The companies gain a stronger valuation signal in recruiting, partnership discussions and future fundraising, while existing investors see their stakes marked up.
Second-order effects
- Investors and prospective employees are likely to concentrate further on the small group of AI startups showing the strongest valuation momentum, raising the hurdle for less-favored unicorns that have gone years without new funding.
- Higher private valuations increase pressure on these companies to show commercial progress commensurate with their financing marks; in legal AI, Harvey's rise also sharpens the challenge to established information providers.
Third-order effects
- If this bifurcation persists, private-market wealth creation will become more concentrated in a few AI leaders while many older unicorns remain illiquid, making headline valuations a less representative measure of the startup market.
- The pattern reinforces a venture cycle in which access to large follow-on rounds, rather than merely reaching unicorn status, increasingly determines which AI companies can sustain their competitive position.
The trend: AI venture funding is concentrating capital, valuation gains and founder wealth among a narrow set of perceived category leaders.