SirenOpt Inc.

ManufacturingManufacturingIntelligence PlatformSeed

📍 San Leandro, CA, USA

StreetZero Signal 69

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About SirenOpt Inc.

SirenOpt Inc. is an advanced manufacturing intelligence company that delivers non-destructive, real-time, inline characterization and classification solutions for nanoscale materials and thin films. Its proprietary PlasmaSens platform uses cold atmospheric plasma technology integrated with specialized software, machine learning, and predictive analytics to quantify, understand, and mitigate manufacturing variability. The company targets industries including batteries, aerospace, semiconductors, and electronics, with planned customer deployments in early 2026 from its California headquarters.

LATEST FUNDINGSeed

$19.4M

Announced 2026-09-18

TOTAL RAISED$9.87M

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IN THE NEWS

EMPLOYEES—

FOUNDED—

HQSan Leandro, CA, USA

Industry

Manufacturing

Investors

Voyager Ventures TOMORROW Climate Club Union Labs Berkeley Skydeck Fund Wireframe Ventures Impact Science Ventures Access Industries Courtyard Ventures Climate Capital Hitachi Ventures InMotion Ventures

Key highlights

Raised $6.6M Seed led by Voyager Ventures and TOMORROW with 11 additional investors.
Awarded $2.4M California Energy Commission grant for PlasmaSens platform commercialization.
Platform targets real-time inspection in batteries, aerospace, semiconductors, and electronics.
Corporate backing from Hitachi Ventures and InMotion Ventures (Jaguar Land Rover) for 2026 deployments.
Total disclosed funding reaches $9.87M across grants and equity rounds.