Call it the ultimate payoff for conviction investing. Over the past 12 months, Palantir Technologies Inc PLTR has skyrocketed roughly 351%, transforming Cathie Wood's stake into a near half-billion-dollar payday. Her 4.08 million shares, held steady through ups and downs, are now worth around $636 million, up from about$141 million a year ago.Track PLTR stock here.A Stock Surge For The AgesFrom $34.60 on Sep. 9, 2024 to$156.10 on Sep. 8, 2025, Palantir's meteoric rise has turned a significant chunk of Woo ...