CITADEL ADVISORS LLC Historic Quarter Change: USA Options, Added, 2018 Q4, Page 11

CITADEL ADVISORS LLC historic quarter change: USA Options, Added

In put and call options, at their filed underlying value (listed in the US), over 51 quarters from 2013-06-30 to 2026-03-31, CITADEL ADVISORS LLC opened 48,961 positions, added to 115,287, reduced 112,564 and sold out of 46,247.

Q4 2018: Stock CRSP; Country of operation Switzerland; Class Cmn · Put; Shares before 77,900.
Q4 2018: Stock EUFN; Country of operation United States; Class Cmn · Put; Shares before 31,000.
Q4 2018: Stock PLANTRONICS INC NEW; Country of operation —; Class Cmn · Call; Shares before 18,000.
Q4 2018: Stock FIRST TR EXCHANGE TRADED FD; Country of operation United States; Class Cmn · Call; Shares before 34,100.

Each consecutive pair of Form 13F-HR filings compared (SEC CIK 1423053), 51 quarters: Q1 2026 (2025-12-31 to 2026-03-31, filed 2026-05-15); Q4 2025 (2025-09-30 to 2025-12-31, filed 2026-02-17); Q3 2025 (2025-06-30 to 2025-09-30, filed 2025-11-14); Q2 2025 (2025-03-31 to 2025-06-30, filed 2025-08-14); Q1 2025 (2024-12-31 to 2025-03-31, filed 2025-05-15); Q4 2024 (2024-09-30 to 2024-12-31, filed 2025-02-14); Q3 2024 (2024-06-30 to 2024-09-30, filed 2024-11-14); Q2 2024 (2024-03-31 to 2024-06-30, filed 2024-08-14); Q1 2024 (2023-12-31 to 2024-03-31, filed 2024-05-15); Q4 2023 (2023-09-30 to 2023-12-31, filed 2024-02-14); Q3 2023 (2023-06-30 to 2023-09-30, filed 2023-11-14); Q2 2023 (2023-03-31 to 2023-06-30, filed 2023-08-14); Q1 2023 (2022-12-31 to 2023-03-31, filed 2023-05-15); Q4 2022 (2022-09-30 to 2022-12-31, filed 2023-02-14); Q3 2022 (2022-06-30 to 2022-09-30, filed 2022-11-14); Q2 2022 (2022-03-31 to 2022-06-30, filed 2022-08-15); Q1 2022 (2021-12-31 to 2022-03-31, filed 2022-05-16); Q4 2021 (2021-09-30 to 2021-12-31, filed 2022-02-14); Q3 2021 (2021-06-30 to 2021-09-30, filed 2021-11-15); Q2 2021 (2021-03-31 to 2021-06-30, filed 2021-08-16); Q1 2021 (2020-12-31 to 2021-03-31, filed 2021-05-17); Q4 2020 (2020-09-30 to 2020-12-31, filed 2021-02-16); Q3 2020 (2020-06-30 to 2020-09-30, filed 2020-11-16); Q2 2020 (2020-03-31 to 2020-06-30, filed 2020-08-14); Q1 2020 (2019-12-31 to 2020-03-31, filed 2020-05-15); Q4 2019 (2019-09-30 to 2019-12-31, filed 2020-02-14); Q3 2019 (2019-06-30 to 2019-09-30, filed 2019-11-14); Q2 2019 (2019-03-31 to 2019-06-30, filed 2019-08-14); Q1 2019 (2018-12-31 to 2019-03-31, filed 2019-05-15); Q4 2018 (2018-09-30 to 2018-12-31, filed 2019-02-14); Q3 2018 (2018-06-30 to 2018-09-30, filed 2018-11-13); Q2 2018 (2018-03-31 to 2018-06-30, filed 2018-08-10); Q1 2018 (2017-12-31 to 2018-03-31, filed 2018-05-11); Q4 2017 (2017-09-30 to 2017-12-31, filed 2018-02-09); Q3 2017 (2017-06-30 to 2017-09-30, filed 2017-11-09); Q2 2017 (2017-03-31 to 2017-06-30, filed 2017-08-11); Q1 2017 (2016-12-31 to 2017-03-31, filed 2017-05-12); Q4 2016 (2016-09-30 to 2016-12-31, filed 2017-02-10); Q3 2016 (2016-06-30 to 2016-09-30, filed 2016-11-10); Q2 2016 (2016-03-31 to 2016-06-30, filed 2016-08-12); Q1 2016 (2015-12-31 to 2016-03-31, filed 2016-05-13); Q4 2015 (2015-09-30 to 2015-12-31, filed 2016-02-12); Q3 2015 (2015-06-30 to 2015-09-30, filed 2015-11-16); Q2 2015 (2015-03-31 to 2015-06-30, filed 2015-08-14); Q1 2015 (2014-12-31 to 2015-03-31, filed 2015-05-15); Q4 2014 (2014-09-30 to 2014-12-31, filed 2015-02-18); Q3 2014 (2014-06-30 to 2014-09-30, filed 2014-11-14); Q2 2014 (2014-03-31 to 2014-06-30, filed 2014-08-14); Q1 2014 (2013-12-31 to 2014-03-31, filed 2014-05-15); Q4 2013 (2013-09-30 to 2013-12-31, filed 2014-02-14); Q3 2013 (2013-06-30 to 2013-09-30, filed 2013-11-14). 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. Only the filings held here are compared; the firm's 13F-HR filings go back to the quarter ended 2009-12-31.

Quarter	Stock	Country of operation	Class	Shares before	Shares after	Share change	Value before	Value after	Value change	Filed
Q4 2018	CRSP CRISPR THERAPEUTICS AG	Switzerland	Cmn · Put	77,900	105,900	+28,000	$3,455	$3,026	-$429	2019-02-14
Q4 2018	EUFN ISHARES TR	United States	Cmn · Put	31,000	62,300	+31,300	$629	$1,056	+$427	2019-02-14
Q4 2018	PLANTRONICS INC NEW CUSIP 727493108		Cmn · Call	18,000	19,900	+1,900	$1,085	$659	-$426	2019-02-14
Q4 2018	FIRST TR EXCHANGE TRADED FD CUSIP 33734X192	United States	Cmn · Call	34,100	48,700	+14,600	$1,934	$2,360	+$426	2019-02-14
Q4 2018	DKS DICKS SPORTING GOODS INC	United States	Cmn · Put	312,400	368,900	+56,500	$11,084	$11,510	+$426	2019-02-14
Q4 2018	PROSHARES TR II CUSIP 74347Y706		Cmn · Put	119,600	156,700	+37,100	$3,620	$4,046	+$426	2019-02-14
Q4 2018	OMCL OMNICELL INC	United States	Cmn · Put	3,400	10,900	+7,500	$244	$668	+$424	2019-02-14
Q4 2018	ELLIE MAE INC CUSIP 28849P100		Cmn · Put	34,300	45,000	+10,700	$3,251	$2,827	-$424	2019-02-14
Q4 2018	M D C HLDGS INC CUSIP 552676108		Cmn · Put	18,400	34,400	+16,000	$544	$967	+$423	2019-02-14
Q4 2018	PFF ISHARES TR	United States	Cmn · Put	107,100	128,500	+21,400	$3,977	$4,399	+$422	2019-02-14
Q4 2018	NNN NATIONAL RETAIL PPTYS INC	United States	Cmn · Call	15,900	23,400	+7,500	$713	$1,135	+$422	2019-02-14
Q4 2018	DORM DORMAN PRODUCTS INC	United States	Cmn · Put	4,700	8,700	+4,000	$362	$783	+$421	2019-02-14
Q4 2018	SWITCH INC CUSIP 87105L104		Cmn · Call	291,600	389,800	+98,200	$3,149	$2,729	-$420	2019-02-14
Q4 2018	FOSL FOSSIL GROUP INC	United States	Cmn · Put	153,200	200,000	+46,800	$3,566	$3,146	-$420	2019-02-14
Q4 2018	HST HOST HOTELS & RESORTS INC	United States	Cmn · Put	96,400	147,200	+50,800	$2,034	$2,454	+$420	2019-02-14
Q4 2018	FIRST TR EXCHANGE TRADED FD CUSIP 33734X143		Cmn · Call	3,500	10,400	+6,900	$297	$716	+$419	2019-02-14
Q4 2018	ON ON SEMICONDUCTOR CORP	United States	Cmn · Put	219,500	219,700	+200	$4,045	$3,627	-$418	2019-02-14
Q4 2018	LNC LINCOLN NATL CORP IND	United States	Cmn · Call	87,700	123,800	+36,100	$5,934	$6,352	+$418	2019-02-14
Q4 2018	PCRX PACIRA PHARMACEUTICALS INC	United States	Cmn · Call	34,300	48,900	+14,600	$1,686	$2,104	+$418	2019-02-14
Q4 2018	YUMC YUM CHINA HLDGS INC	United States	Cmn · Put	434,100	442,100	+8,000	$15,241	$14,824	-$417	2019-02-14
Q4 2018	BMRN BIOMARIN PHARMACEUTICAL INC	United States	Cmn · Call	65,700	79,700	+14,000	$6,371	$6,786	+$415	2019-02-14
Q4 2018	WTW WILLIS TOWERS WATSON PUB LTD	United Kingdom	Cmn · Put	24,100	25,100	+1,000	$3,397	$3,812	+$415	2019-02-14
Q4 2018	PYXUS INTL INC CUSIP 74737V106		Cmn · Call	14,800	63,500	+48,700	$340	$753	+$413	2019-02-14
Q4 2018	EEFT EURONET WORLDWIDE INC	United States	Cmn · Put	6,300	10,200	+3,900	$631	$1,044	+$413	2019-02-14
Q4 2018	HCA HCA HEALTHCARE INC	United States	Cmn · Call	117,900	135,100	+17,200	$16,402	$16,813	+$411	2019-02-14
Q4 2018	DIREXION SHS ETF TR CUSIP 25460E521		Cmn · Put	13,500	17,700	+4,200	$770	$1,180	+$410	2019-02-14
Q4 2018	PROSHARES TR II CUSIP 74347Y706		Cmn · Call	121,600	126,700	+5,100	$3,681	$3,271	-$410	2019-02-14
Q4 2018	BED BATH & BEYOND INC CUSIP 075896100		Cmn · Call	565,300	785,100	+219,800	$8,480	$8,887	+$407	2019-02-14
Q4 2018	STM STMICROELECTRONICS N V	Switzerland	Depository Receipt · Call	107,000	170,700	+63,700	$1,962	$2,369	+$407	2019-02-14
Q4 2018	II VI INC CUSIP 902104108		Cmn · Put	6,400	21,800	+15,400	$303	$708	+$405	2019-02-14
Q4 2018	NUS NU SKIN ENTERPRISES INC	United States	Cmn · Put	21,800	22,700	+900	$1,797	$1,392	-$405	2019-02-14
Q4 2018	LGIH LGI HOMES INC	United States	Cmn · Call	15,600	25,300	+9,700	$740	$1,144	+$404	2019-02-14
Q4 2018	TORCHMARK CORP CUSIP 891027104		Cmn · Call	9,100	16,000	+6,900	$789	$1,192	+$403	2019-02-14
Q4 2018	DIREXION SHS ETF TR CUSIP 25459W540		Cmn · Call	27,900	45,800	+17,900	$484	$887	+$403	2019-02-14
Q4 2018	EQGP HOLDINGS LP CUSIP 26885J103		Cmn · Put	10,700	31,400	+20,700	$223	$626	+$403	2019-02-14
Q4 2018	RSG REPUBLIC SVCS INC	United States	Cmn · Put	13,000	18,700	+5,700	$945	$1,348	+$403	2019-02-14
Q4 2018	SNBR SLEEP NUMBER CORP	United States	Cmn · Call	12,800	27,500	+14,700	$471	$873	+$402	2019-02-14
Q4 2018	CLOVIS ONCOLOGY INC CUSIP 189464100		Cmn · Put	113,300	162,900	+49,600	$3,328	$2,926	-$402	2019-02-14
Q4 2018	PROSHARES TR CUSIP 74347B292		Cmn · Call	60,200	76,500	+16,300	$3,144	$2,743	-$401	2019-02-14
Q4 2018	WDFC WD-40 CO	United States	Cmn · Call	6,300	8,100	+1,800	$1,084	$1,484	+$400	2019-02-14
Q4 2018	EROS INTL PLC CUSIP G3788M114		Cmn · Put	115,900	120,300	+4,400	$1,397	$997	-$400	2019-02-14
Q4 2018	BOTTOMLINE TECH DEL INC CUSIP 101388106		Cmn · Put	4,900	15,700	+10,800	$356	$754	+$398	2019-02-14
Q4 2018	CORNERSTONE ONDEMAND INC CUSIP 21925Y103		Cmn · Call	43,900	57,200	+13,300	$2,491	$2,885	+$394	2019-02-14
Q4 2018	MTB M & T BK CORP	United States	Cmn · Call	5,700	9,300	+3,600	$938	$1,331	+$393	2019-02-14
Q4 2018	AA ALCOA CORP	United States	Cmn · Call	271,800	398,400	+126,600	$10,981	$10,589	-$392	2019-02-14
Q4 2018	SEATTLE GENETICS INC CUSIP 812578102		Cmn · Put	16,300	29,100	+12,800	$1,257	$1,649	+$392	2019-02-14
Q4 2018	LENDINGCLUB CORP CUSIP 52603A109		Cmn · Put	373,800	403,100	+29,300	$1,451	$1,060	-$391	2019-02-14
Q4 2018	TELLURIAN INC NEW CUSIP 87968A104		Cmn · Call	91,900	174,200	+82,300	$824	$1,211	+$387	2019-02-14
Q4 2018	HAIN HAIN CELESTIAL GROUP INC	United States	Cmn · Call	264,700	428,300	+163,600	$7,179	$6,793	-$386	2019-02-14
Q4 2018	TSN TYSON FOODS INC	United States	Cmn · Put	212,300	243,900	+31,600	$12,638	$13,024	+$386	2019-02-14
Q4 2018	ETSY ETSY INC	United States	Cmn · Put	173,400	195,400	+22,000	$8,909	$9,295	+$386	2019-02-14
Q4 2018	ROYAL BK SCOTLAND GROUP PLC CUSIP 780097689		Depository Receipt · Call	18,600	90,600	+72,000	$121	$506	+$385	2019-02-14
Q4 2018	KTOS KRATOS DEFENSE & SEC SOLUTIO	United States	Cmn · Put	40,500	69,700	+29,200	$599	$982	+$383	2019-02-14
Q4 2018	PROSHARES TR CUSIP 74348A244		Cmn · Call	18,900	29,400	+10,500	$525	$907	+$382	2019-02-14
Q4 2018	VEREIT INC CUSIP 92339V100		Cmn · Call	33,500	87,400	+53,900	$243	$625	+$382	2019-02-14
Q4 2018	SNA SNAP ON INC	United States	Cmn · Call	27,200	37,000	+9,800	$4,994	$5,376	+$382	2019-02-14
Q4 2018	VIPER ENERGY PARTNERS LP CUSIP 92763M105		Cmn · Put	46,600	60,700	+14,100	$1,962	$1,581	-$381	2019-02-14
Q4 2018	STWD STARWOOD PPTY TR INC	United States	Cmn · Call	24,700	46,200	+21,500	$532	$911	+$379	2019-02-14
Q4 2018	PROSHARES TR II CUSIP 74347W130		Cmn · Put	186,800	269,900	+83,100	$11,038	$11,417	+$379	2019-02-14
Q4 2018	TAN INVESCO EXCHNG TRADED FD TR	United States	Cmn · Put	11,200	32,900	+21,700	$232	$610	+$378	2019-02-14
Q4 2018	INTREXON CORP CUSIP 46122T102		Cmn · Put	104,500	217,600	+113,100	$1,799	$1,423	-$376	2019-02-14
Q4 2018	KNX KNIGHT SWIFT TRANSN HLDGS IN	United States	Cmn · Put	92,500	112,200	+19,700	$3,189	$2,813	-$376	2019-02-14
Q4 2018	HD SUPPLY HLDGS INC CUSIP 40416M105		Cmn · Put	15,100	27,200	+12,100	$646	$1,021	+$375	2019-02-14
Q4 2018	WEX WEX INC	United States	Cmn · Call	10,300	12,100	+1,800	$2,068	$1,695	-$373	2019-02-14
Q4 2018	IMMUNOMEDICS INC CUSIP 452907108		Cmn · Put	314,500	485,100	+170,600	$6,551	$6,922	+$371	2019-02-14
Q4 2018	WISDOMTREE TR CUSIP 97717W182		Cmn · Call	26,200	41,200	+15,000	$666	$1,035	+$369	2019-02-14
Q4 2018	AARONS INC CUSIP 002535300		Cmn · Put	39,500	42,400	+2,900	$2,151	$1,783	-$368	2019-02-14
Q4 2018	GRAFTECH INTL LTD CUSIP 384313508		Cmn · Call	63,200	75,600	+12,400	$1,233	$865	-$368	2019-02-14
Q4 2018	SUNPOWER CORP CUSIP 867652406		Cmn · Call	257,500	304,700	+47,200	$1,880	$1,514	-$366	2019-02-14
Q4 2018	CHESAPEAKE ENERGY CORP CUSIP 165167107		Cmn · Put	1,240,000	2,478,800	+1,238,800	$5,568	$5,205	-$363	2019-02-14
Q4 2018	TECH DATA CORP CUSIP 878237106		Cmn · Call	11,400	14,400	+3,000	$816	$1,178	+$362	2019-02-14
Q4 2018	RNR RENAISSANCERE HOLDINGS LTD	Bermuda	Cmn · Put	4,700	7,400	+2,700	$628	$989	+$361	2019-02-14
Q4 2018	HIBBETT SPORTS INC CUSIP 428567101		Cmn · Put	14,400	43,900	+29,500	$271	$628	+$357	2019-02-14
Q4 2018	INVESCO CURNCYSHS SWISS FRAN CUSIP 46138R108		Cmn · Call	14,300	18,100	+3,800	$1,362	$1,717	+$355	2019-02-14
Q4 2018	EXR EXTRA SPACE STORAGE INC	United States	Cmn · Call	23,800	26,700	+2,900	$2,062	$2,416	+$354	2019-02-14
Q4 2018	ZENDESK INC CUSIP 98936J101		Cmn · Call	26,500	38,300	+11,800	$1,882	$2,236	+$354	2019-02-14
Q4 2018	PRGO PERRIGO CO PLC	Ireland	Cmn · Call	49,500	81,400	+31,900	$3,505	$3,154	-$351	2019-02-14
Q4 2018	SRE SEMPRA ENERGY	United States	Cmn · Put	23,000	27,400	+4,400	$2,616	$2,964	+$348	2019-02-14
Q4 2018	SON SONOCO PRODS CO	United States	Cmn · Put	3,900	10,600	+6,700	$216	$563	+$347	2019-02-14
Q4 2018	MNST MONSTER BEVERAGE CORP NEW	United States	Cmn · Call	126,300	156,600	+30,300	$7,361	$7,708	+$347	2019-02-14
Q4 2018	UA UNDER ARMOUR INC	United States	Cmn · Put	133,400	139,200	+5,800	$2,596	$2,251	-$345	2019-02-14
Q4 2018	MAA MID AMER APT CMNTYS INC	United States	Cmn · Put	10,600	14,700	+4,100	$1,062	$1,407	+$345	2019-02-14
Q4 2018	LUMBER LIQUIDATORS HLDGS INC CUSIP 55003T107		Cmn · Put	134,300	182,300	+48,000	$2,080	$1,735	-$345	2019-02-14
Q4 2018	AARONS INC CUSIP 002535300		Cmn · Call	36,100	38,600	+2,500	$1,966	$1,623	-$343	2019-02-14
Q4 2018	XRT SPDR SERIES TRUST	United States	Cmn · Call	487,800	598,800	+111,000	$24,888	$24,545	-$343	2019-02-14
Q4 2018	MMSI MERIT MED SYS INC	United States	Cmn · Call	12,500	19,900	+7,400	$768	$1,111	+$343	2019-02-14
Q4 2018	LOW LOWES COS INC	United States	Cmn · Put	1,038,000	1,286,700	+248,700	$119,183	$118,840	-$343	2019-02-14
Q4 2018	SYK STRYKER CORP	United States	Cmn · Put	50,800	55,400	+4,600	$9,026	$8,684	-$342	2019-02-14
Q4 2018	DIREXION SHS ETF TR CUSIP 25460E836		Cmn · Call	35,400	52,000	+16,600	$345	$686	+$341	2019-02-14
Q4 2018	AWK AMERICAN WTR WKS CO INC NEW	United States	Cmn · Put	14,100	17,400	+3,300	$1,240	$1,579	+$339	2019-02-14
Q4 2018	APOLLO GLOBAL MGMT LLC CUSIP 037612306		Cmn · Put	96,900	150,200	+53,300	$3,348	$3,686	+$338	2019-02-14
Q4 2018	GROUPON INC CUSIP 399473107		Cmn · Call	317,100	479,000	+161,900	$1,195	$1,533	+$338	2019-02-14
Q4 2018	FTI TECHNIPFMC PLC	United Kingdom	Cmn · Put	98,300	139,700	+41,400	$3,072	$2,735	-$337	2019-02-14
Q4 2018	CRL CHARLES RIV LABS INTL INC	United States	Cmn · Put	11,300	16,400	+5,100	$1,520	$1,856	+$336	2019-02-14
Q4 2018	MGM GROWTH PPTYS LLC CUSIP 55303A105		Cmn · Put	29,500	45,600	+16,100	$870	$1,204	+$334	2019-02-14
Q4 2018	II VI INC CUSIP 902104108		Cmn · Call	24,300	45,600	+21,300	$1,149	$1,480	+$331	2019-02-14
Q4 2018	DIREXION SHS ETF TR CUSIP 25459Y678		Cmn · Put	29,600	52,100	+22,500	$619	$950	+$331	2019-02-14
Q4 2018	SL GREEN RLTY CORP CUSIP 78440X101		Cmn · Call	19,000	27,600	+8,600	$1,853	$2,183	+$330	2019-02-14
Q4 2018	SPARK THERAPEUTICS INC CUSIP 84652J103		Cmn · Put	20,800	37,400	+16,600	$1,135	$1,464	+$329	2019-02-14
Q4 2018	WRB W R BERKLEY CORPORATION	United States	Cmn · Put	8,200	13,300	+5,100	$655	$983	+$328	2019-02-14

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