Westmag
Manufactures drone motors and robot actuators in South San Francisco, including upstream stator steel stamping and rare earth magnet finishing, to build a domestic motor supply chain.
USAF maintainers inspect C-130J engines at Ramstein, Germany. Photo: U.S. Air Force photo by Senior Airman Andrew Bertain, Public domain (PD-USGov-Military-Air Force).
Funding history
| Date | Round | Amount |
|---|---|---|
| Jun 2026 | Seed | $11M |
Why it matters
Emerged from stealth in June 2026 with Factory 01, its headquarters and motor plant; the seed closed in 2025.
Is Westmag publicly traded?
Westmag is privately held as of November 14, 2026: there is no ticker and no announced IPO. Shares are not available on public exchanges.
Information only, not investment advice.
Some figures rest on a single report. Treat them as indicative.Last verified November 14, 2026
Westmag: key questions
What does Westmag do?
Manufactures drone motors and robot actuators in South San Francisco, including upstream stator steel stamping and rare earth magnet finishing, to build a domestic motor supply chain.
What does Westmag make?
Products named by Westmag include Drone motors and Robot actuators.
Where is Westmag based?
Westmag is headquartered in South San Francisco, California.
How much funding has Westmag raised?
Total funding is ~$11M, based on announced and reported rounds. Latest round: Seed, $11M, Jun 2026.
Who are Westmag's investors?
Notable investors include Andreessen Horowitz, Founders Fund, Lux Capital, NFDG, Menlo Ventures.
Is Westmag publicly traded?
Westmag is privately held as of November 14, 2026: there is no ticker and no announced IPO. Shares are not available on public exchanges.
Can you buy Westmag stock?
Not on a public exchange: Westmag is a private company. Shares of private companies change hands only in private transactions open to accredited investors, when the company allows it. This is not investment advice.
Sources
Figures come from company announcements, government sources and press reports. Spot an error? Send a correction. Nothing here is investment advice.
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