https://www.reuters.com/article/us-clear-secure-ipo/clear-secure-aims-2-2-billion-valuation-in-u-s-ipo-idUSKCN2DZ123 >Clear Secure Inc, a New York-based firm that uses biometric technology to validate identity, is looking to raise as much as $396 million through a U.S. initial public offering, targeting a valuation of about $2.2 billion, according to a regulatory filing on Wednesday.