Proton AG is a private company building in privacy/security, founded in 2014. No public ticker exists for the company.
Proton AG has no published valuation.
Proton AG is a Swiss technology company offering privacy-focused online services including encrypted email through Proton Mail, a VPN, cloud storage via Proton Drive, a password manager in Proton Pass, and an AI assistant called Lumo. It was founded in 2014 by scientists including Andy Yen and Wei Sun who met at CERN, and Proton Mail launched as a public beta that year after a year of crowdfunding.
Headquartered in Plan-les-Ouates, Geneva, Proton is majority owned by the non-profit Proton Foundation and has grown to more than 100 million users without venture capital investors. The company maintains its own data centers, including a backup site in a former military bunker in Attinghausen under 1,000 meters of granite rock.
Listed funds carry late-stage private names. A fund's latest schedule of investments shows whether it holds Proton AG.
Often trade at a premium or discount to NAV.
Platforms match existing holders with buyers. Proton AG availability at any moment is set by the holders.
High minimums, transfer approval, company right-of-first-refusal.
Valuations, rounds and IPO status for every company in the directory — Proton AG included.
Lead investors for each round are in the funding timeline.
The closest privacy/security peers are on the competitors page.
The routes section explains what is realistically available for a company at this stage.
No. Proton AG is a private company; its shares do not trade on a public exchange.