CITADEL ADVISORS LLC quarter change: Foreign Options, Reduced
In put and call options, at their filed underlying value (depositary receipts and foreign shares traded over the counter), from the quarter ended 2025-12-31 to 2026-03-31, CITADEL ADVISORS LLC opened 58 positions, added to 181, reduced 203, sold out of 52 and left 2 unchanged. The largest increase in value was TSM (+$642,832,101); the largest decrease was BABA (-$703,332,960).
- KC: Country of operation China; Class ADS · Put; Shares 2025-12-31 41,100; Shares 2026-03-31 32,500.
- AC IMMUNE SA: Country of operation Switzerland; Class SHS · Put; Shares 2025-12-31 11,400; Shares 2026-03-31 10,100.
- HEPS: Country of operation Turkey; Class SPONSORED ADS · Call; Shares 2025-12-31 13,500; Shares 2026-03-31 10,900.
Two Form 13F-HR filings compared (SEC CIK 1423053): 2025-12-31 (filed 2026-02-17) and 2026-03-31 (filed 2026-05-15). Rows for the same security, class and put/call are added together. Value change is the filed value at each quarter end, so it includes the price move; share change is the position change.