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Citadel Advisors LLC Last Quarter Change: USA Options, Added, 2026 Q1, Page 27

CITADEL ADVISORS LLC quarter change: USA Options, Added

In put and call options, at their filed underlying value (listed in the US), from the quarter ended 2025-12-31 to 2026-03-31, CITADEL ADVISORS LLC opened 961 positions, added to 2,603, reduced 2,824, sold out of 754 and left 19 unchanged. The largest increase in value was SPY (+$4,441,962,988); the largest decrease was TSLA (-$6,131,236,722).

  • TWI: Country of operation United States; Class COM · Call; Shares 2025-12-31 10,800; Shares 2026-03-31 12,300.
  • OSPN: Country of operation United States; Class COM · Put; Shares 2025-12-31 10,300; Shares 2026-03-31 12,600.
  • BCAB: Country of operation United States; Class COM · Call; Shares 2025-12-31 11,300; Shares 2026-03-31 37,900.

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.

StockCountry of operationClassShares 2025-12-31Shares 2026-03-31Share changeValue 2025-12-31Value 2026-03-31Value change
TWI
TITAN INTL INC ILL
United StatesCOM · Call10,80012,300+1,500$84,564$84,993+$429
OSPN
ONESPAN INC
United StatesCOM · Put10,30012,600+2,300$132,252$132,678+$426
BCAB
BIOATLA INC
United StatesCOM · Call11,30037,900+26,600$6,415$6,102-$313