San Mateo, CA · Founded 2019 · Privately Held (backing)
Developer of quantum-proof security technology designed to offer multi-layer security to protect the entire network from quantum and classical threats. QuSecure is based in San Mateo, CA and was founded in 2019. Its last reported valuation was $233 million in Feb 2025. It has raised $33 million.
Last reported valuation
$233.0M
Oct 2026
Priced at
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Total raised
$33.0M
Last round
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Cap table — not yet on record
QuSecure's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 13 names
·Watch QuSecure: the Monday email on marks, rounds and moves
