We don't have much posted on Groq, only a half-dozen mentions in general articles on inference companies including SambaNova and Cerebras. One reason we do have it flagged is that the CIA's venture arm In-Q-Tel was an early investor. Another investor is Disruptive who seem to have an eye for pre-public companies:
...Palantir, Airbnb, Spotify, Shield AI, Hims, Databricks, Stripe, Slack...
That's from Groq's September 17 press release, "Groq Raises $750 Million as Inference Demand Surges".
We have quite a bit more on the company in the link-vault, including this piece from The Technologist substack, February 13: Deep Dive 4: Groq (Private)