{"acquisitions":[],"changes":[{"companyHref":"/c/chipstack-ai","date":"2026-09-27","documentUrl":null,"domain":"chipstack.ai","fact":"latest round","name":"Chipstack","new":{"amountUsd":1000000,"date":"2024-01-01","lead":null,"type":"series-a"},"old":{"amountUsd":1000000,"date":"2024-01-01","lead":"khosla","type":"series-a"},"publisher":"vc-portfolio","reason":null,"retrievedAt":"2026-05-06","slug":"chipstack-ai","status":"attributed","url":"https://whoraisedwhat.com/c/chipstack-ai"}],"country":"US","description":"ChipStack is an AI platform that automates semiconductor chip verification, compressing weeks of work into days. It serves chip designers and verification engineers stuck in cycles that consume 60%+ of design time. Agentic AI captures design intent and lets verification start earlier in the RTL phase, without manual testbench writing.","domain":"chipstack.ai","employees":null,"founded":null,"fundingTotalQuarantined":false,"githubOrg":"chipstack","githubStars":null,"industry":"unknown","industrySources":[],"investors":["khosla"],"lat":37.787936,"lng":-122.40752,"location":"San Francisco, CA","multiples":[],"name":"Chipstack","people":[],"revenues":[],"rounds":[{"amountQuarantined":false,"amountUsd":1000000,"connectionsAmong":[],"currency":"USD","date":"2024-01-01","investments":[],"investors":[],"leadInvestor":null,"leadInvestors":[],"people":[],"slug":"chipstack-ai-2024-01-01-series-a","source":{"fact":"round","publisher":"vc-portfolio","retrievedAt":"2026-05-06","status":"attributed","url":null},"status":"attributed","type":"series-a","url":null}],"slug":"chipstack-ai","sources":[{"fact":"round","publisher":"vc-portfolio","retrievedAt":"2026-05-06","status":"attributed","url":null},{"fact":"existence","publisher":"chipstack.ai","retrievedAt":"2026-05-06","status":"self-reported","url":"https://chipstack.ai"},{"fact":"description","publisher":"chipstack.ai","retrievedAt":"2026-05-06","status":"self-reported","url":"https://chipstack.ai"}],"stage":"series-a","stockCard":{"asOf":"2026-11-09","facts":[],"generatedAt":"2026-11-09","state":"insufficient-evidence","tldr":[]},"techStack":["Supabase","Amazon Web Services","Google Analytics G-?GA4:","Google Tag Manager","Framer Sites","React 16.13.1","PostgreSQL"],"totalRaisedUsd":1000000,"traction":[],"updatedAt":"2026-05-06","valuations":[]}