Luminal
Luminal AI, Inc.
Luminal is an AI inference compiler that compiles and optimizes AI models for GPUs and ASICs, delivering the fastest, highest throughput inference in the world.
luminal.com · San Francisco, CA
Funding event
The round itself, as filedInferred stageSeries B
Sold of offered$29.2M of $29.2M
Filed2026-10-07
Days since filing11
- Exemption claimed
- Rule 506(b)
- First-ever Form D
- Yes
- Date of first sale
- 2026-09-22
Investors
No investors named: Form D does not list them
Officers on the filing
Names and roles as filed; addresses are never stored- Joseph FiotiExecutive Officer · Director
- Jacob StevensExecutive Officer · Director
- Matthew GuntonExecutive Officer · Director
Health flags
Three flags, each with the raw inputs behind it · as of 2026-10-17UndersubscribedNot flagged100% sold0.8 months since first sale
Prior raiseNot flaggedPrior raise not known—
AmendedNot flaggedNo amendmentNo D/A on file
Open roles
On the employer's own careers page · checked 2026-10-080
Pre-posting windowNot enough dataShown once this sector and stage have 20 observed lags from filing to first posting.
No open roles foundWe read careers pages daily.
Also raised in AI & data
Same sector, 28 days to 2026-10-18North.cloudSeries B · $60.0M · New York, NYQuietLabelboxSeries E · $100M · San Francisco, CAQuiet
19 rounds in AI & data in the 28 days to 2026-10-16, against 17 in the 28 days before.