CITADEL ADVISORS LLC quarter change: USA Options, Reduced
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).
- RZLT: Country of operation United States; Class COM NEW · Put; Shares 2025-12-31 43,200; Shares 2026-03-31 31,600.
- DMLP: Country of operation United States; Class COM UNIT · Call; Shares 2025-12-31 20,000; Shares 2026-03-31 16,700.
- PLSE: Country of operation United States; Class COM · Put; Shares 2025-12-31 18,800; Shares 2026-03-31 12,200.
- SSSS: Country of operation United States; Class COM NEW · Put; Shares 2025-12-31 15,300; Shares 2026-03-31 13,000.
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.
| Stock | Country of operation | Class | Shares 2025-12-31 | Shares 2026-03-31 | Share change | Value 2025-12-31 | Value 2026-03-31 | Value change |
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RZLT
REZOLUTE INC | United States | COM NEW · Put | 43,200 | 31,600 | -11,600 | $101,952 | $96,380 | -$5,572 |
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DMLP
DORCHESTER MINERALS L P | United States | COM UNIT · Call | 20,000 | 16,700 | -3,300 | $447,200 | $452,570 | +$5,370 |
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PLSE
PULSE BIOSCIENCES INC | United States | COM · Put | 18,800 | 12,200 | -6,600 | $258,124 | $263,398 | +$5,274 |
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SSSS
SURO CAPITAL CORP | United States | COM NEW · Put | 15,300 | 13,000 | -2,300 | $144,432 | $139,230 | -$5,202 |
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ENLIVEX LTD
CUSIP M4130Y106 | — | COM · Call | 24,600 | 24,100 | -500 | $17,299 | $22,415 | +$5,116 |
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CNTY
CENTURY CASINOS INC | United States | COM · Call | 39,300 | 34,000 | -5,300 | $52,269 | $47,260 | -$5,009 |
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ORIC
ORIC PHARMACEUTICALS INC | United States | COM · Call | 14,900 | 10,000 | -4,900 | $121,882 | $126,700 | +$4,818 |
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PLRX
PLIANT THERAPEUTICS INC | United States | COM · Call | 41,800 | 36,800 | -5,000 | $50,996 | $46,368 | -$4,628 |
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GTIM
GOOD TIMES RESTAURANTS INC | United States | COM NEW · Call | 24,400 | 22,400 | -2,000 | $29,524 | $26,208 | -$3,316 |
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NOTV
INOTIV INC | United States | COM · Call | 11,000 | 10,700 | -300 | $6,183 | $2,916 | -$3,267 |
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NEOS ETF TRUST
CUSIP 78433H550 | — | GOLD HIGH INCOME · Put | 9,000 | 8,900 | -100 | $502,920 | $506,143 | +$3,223 |
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PROSHARES TR
CUSIP 74350P592 | — | SHORT ETHER ETF · Call | 5,100 | 4,400 | -700 | $213,945 | $216,172 | +$2,227 |
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ACRE
ARES COML REAL ESTATE CORP | United States | COM · Put | 23,800 | 23,300 | -500 | $113,764 | $111,840 | -$1,924 |
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RVP
RETRACTABLE TECHNOLOGIES INC | United States | COM · Call | 14,100 | 13,900 | -200 | $10,887 | $9,195 | -$1,692 |
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IDN
INTELLICHECK MOBILISA INC | United States | COM NEW · Call | 13,600 | 13,200 | -400 | $90,848 | $92,268 | +$1,420 |
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ALXO
ALX ONCOLOGY HLDGS INC | United States | COM · Call | 66,900 | 37,000 | -29,900 | $75,597 | $74,185 | -$1,412 |
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SRTS
SENSUS HEALTHCARE INC | United States | COM · Call | 14,900 | 14,600 | -300 | $59,302 | $58,108 | -$1,194 |
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MX
MAGNACHIP SEMICONDUCTOR CORP | Luxembourg | COM · Call | 12,600 | 11,800 | -800 | $32,130 | $33,040 | +$910 |
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RLMD
RELMADA THERAPEUTICS INC | United States | COM · Call | 35,100 | 24,300 | -10,800 | $169,533 | $169,128 | -$405 |
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MNR
MACH NATURAL RESOURCES LP | United States | COM UNIT LTD PAR · Call | 42,700 | 33,700 | -9,000 | $471,408 | $471,800 | +$392 |
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OSIS
OSI SYSTEMS INC | United States | COM · Call | 5,100 | 4,900 | -200 | $1,300,806 | $1,300,999 | +$193 |
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FATE
FATE THERAPEUTICS INC | United States | COM · Put | 33,200 | 27,300 | -5,900 | $32,622 | $32,760 | +$138 |
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USLM
UNITED STS LIME & MINERALS I | United States | COM · Put | 3,600 | 3,300 | -300 | $431,064 | $431,013 | -$51 |
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NEUROONE MED TECHNOLOGIES CO
CUSIP 64130M209 | United States | COM NEW · Call | 104,000 | 101,500 | -2,500 | $78,832 | $78,815 | -$17 |
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