Worth $50 Billion but no longer holding per Google....
AI Overview
"Ken Griffin's Citadel Advisors does not currently hold HDVY (Health Discovery Corp) stock, having fully sold off their position between the third quarter of 2020 and the first quarter of 2021.
Citadel's most recent portfolio updates, filed for Q2 2025 (ending June 30, 2025), show major holdings and trades in companies like Nvidia, Microsoft, Amazon, and Broadcom, but do not list HDVY among their current investments. The last recorded transaction activity for HDVY by Citadel was several years ago when the stake was completely divested."
Source: Google