17 YC companies crossed $1B valuations in 2026, AI leads with AfterQuery at $3.2B
FinanceYF5 · x · 2026-11-09
In the first ten months of 2026, 17 YC-backed companies crossed the $1B valuation mark. AI dominates the list, spanning code testing, training data, agents, AI search, and voice infrastructure. AfterQuery tops the list at a $3.2B valuation. The data reflects AI's overwhelming share of YC's recent unicorn output.
Related event: YC Adds 17 Unicorns in First 10 Months of 2026, Led by AI(2 posts)→
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