MRRPhysical AI
intelligence

← Capital intelligence

3

INV Corporate

3M Ventures

HeadquartersNot listed

Portfolio1 companies

Cited round volume$69M

Cited rounds3

01

Physical AI portfolio

Round-by-round participation

GrayMatter RoboticsRobot maker · registered · corporate

2024-06-20Series B$45MSource

2022-08-16Series A$20MSource

2021-09-29Seed$4MSource

02

Source ledger

3 unique public sources

GrayMatter Raises $45M Series BPRNewswire · retrieved 2026-07-05

GrayMatter Robotics Raises $20M Series A to Fuel Continued Growth and ExpansionPR Newswire · retrieved 2026-07-05

GrayMatter Robotics Raises $4.1M Seed RoundPR Newswire · retrieved 2026-07-05