CITADEL ADVISORS LLC Historic Quarter Change: USA Options, Reduced, 2015 Q4, Page 18

CITADEL ADVISORS LLC historic quarter change: USA Options, Reduced

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 2015: Stock ORGANOVO HOLDINGS INC; Country of operation —; Class Cmn · Put; Shares before 59,200.
Q4 2015: Stock CANADIAN SOLAR INC; Country of operation —; Class Cmn · Put; Shares before 225,900.
Q4 2015: Stock BLACK HILLS CORP CMN STK; Country of operation —; Class Cmn · Call; Shares before 10,200.
Q4 2015: Stock HALOZYME THERAPEUTICS INC COMMON STOCK; Country of operation —; Class Cmn · Call; Shares before 34,700.

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	Class	Shares before	Shares after	Share change	Value before	Value after	Value change	Filed
Q4 2015	ORGANOVO HOLDINGS INC CUSIP 68620A954	Cmn · Put	59,200	22,300	-36,900	$159	$56	-$103	2016-02-12
Q4 2015	CANADIAN SOLAR INC CUSIP 136635959	Cmn · Put	225,900	126,100	-99,800	$3,754	$3,652	-$102	2016-02-12
Q4 2015	BLACK HILLS CORP CMN STK CUSIP 092113909	Cmn · Call	10,200	6,900	-3,300	$422	$320	-$102	2016-02-12
Q4 2015	HALOZYME THERAPEUTICS INC COMMON STOCK CUSIP 40637H909	Cmn · Call	34,700	32,800	-1,900	$466	$568	+$102	2016-02-12
Q4 2015	MONSTER WORLDWIDE INC CMN STK CUSIP 611742957	Cmn · Put	24,700	9,900	-14,800	$159	$57	-$102	2016-02-12
Q4 2015	TRINET GROUP INC CUSIP 896288907	Cmn · Call	11,700	4,900	-6,800	$197	$95	-$102	2016-02-12
Q4 2015	AEROPOSTALE INC CMN STK CUSIP 007865958	Cmn · Put	267,600	227,900	-39,700	$166	$64	-$102	2016-02-12
Q4 2015	LA JOLLA PHARMACEUTICAL CO CMN STK CUSIP 503459904	Cmn · Call	5,200	1,600	-3,600	$145	$43	-$102	2016-02-12
Q4 2015	TERADYNE INC CMN STK CUSIP 880770902	Cmn · Call	81,200	65,800	-15,400	$1,462	$1,360	-$102	2016-02-12
Q4 2015	SELECT MEDICAL HOLDINGS CORP CUSIP 81619Q905	Cmn · Call	11,100	1,600	-9,500	$120	$19	-$101	2016-02-12
Q4 2015	VERMILION ENERGY INC CUSIP 923725905	Cmn · Call	5,400	2,700	-2,700	$174	$73	-$101	2016-02-12
Q4 2015	ASSURANT INC COMMON STOCK CUSIP 04621X958	Cmn · Put	7,800	6,400	-1,400	$616	$515	-$101	2016-02-12
Q4 2015	ORASURE TECHNOLOGIES INC CMN STK CUSIP 68554V958	Cmn · Put	37,300	10,100	-27,200	$166	$65	-$101	2016-02-12
Q4 2015	SEADRILL PARTNERS LLC CUSIP Y7545W909	Cmn · Call	12,700	5,000	-7,700	$119	$18	-$101	2016-02-12
Q4 2015	J2 GLOBAL INC CUSIP 48123V902	Cmn · Call	7,100	4,900	-2,200	$503	$403	-$100	2016-02-12
Q4 2015	HYATT HOTELS CORP - CL A CUSIP 448579902	Cmn · Call	12,800	10,700	-2,100	$603	$503	-$100	2016-02-12
Q4 2015	CLOUD PEAK ENERGY INC CUSIP 18911Q952	Cmn · Put	51,400	16,700	-34,700	$135	$35	-$100	2016-02-12
Q4 2015	DAVE & BUSTER'S ENTERTAINMENT INC CUSIP 238337909	Cmn · Call	8,600	5,400	-3,200	$325	$225	-$100	2016-02-12
Q4 2015	UNITED STATES 12 MONTH OIL CUSIP 91288V903	Cmn · Call	8,500	4,400	-4,100	$175	$75	-$100	2016-02-12
Q4 2015	FORTUNE BRANDS HOME & SECURITY INC CUSIP 34964C956	Cmn · Put	5,600	3,000	-2,600	$266	$167	-$99	2016-02-12
Q4 2015	TCF FINANCIAL CORP COMMON CUSIP 872275902	Cmn · Call	13,100	7,100	-6,000	$199	$100	-$99	2016-02-12
Q4 2015	KAISER ALUMINUM CORP CMN STK CUSIP 483007904	Cmn · Call	2,900	1,600	-1,300	$233	$134	-$99	2016-02-12
Q4 2015	REPUBLIC SERVICES CMN STOCK CUSIP 760759950	Cmn · Put	17,100	13,800	-3,300	$705	$607	-$98	2016-02-12
Q4 2015	ATLAS RESOURCE PARTNERS LP CUSIP 04941A901	Cmn · Call	49,100	38,300	-10,800	$137	$39	-$98	2016-02-12
Q4 2015	IPATH BLOOMBERG GRAINS SUBINDE CUSIP 06739H955	Cmn · Put	6,900	4,300	-2,600	$229	$131	-$98	2016-02-12
Q4 2015	ANGIE'S LIST INC CUSIP 034754951	Cmn · Put	24,800	2,900	-21,900	$125	$27	-$98	2016-02-12
Q4 2015	CABOT CORP CUSIP 127055901	Cmn · Call	4,800	1,300	-3,500	$151	$53	-$98	2016-02-12
Q4 2015	ALMOST FAMILY INC CMN STK CUSIP 020409908	Cmn · Call	11,300	9,300	-2,000	$453	$356	-$97	2016-02-12
Q4 2015	CUBIC CORP CMN STK CUSIP 229669956	Cmn · Put	4,800	2,200	-2,600	$201	$104	-$97	2016-02-12
Q4 2015	FRANCESCAS HOLDINGS CORP CUSIP 351793954	Cmn · Put	39,300	33,200	-6,100	$481	$578	+$97	2016-02-12
Q4 2015	PROSHARES ULTRA RUSSELL2000 CUSIP 74347R952	Cmn · Put	29,600	26,700	-2,900	$2,210	$2,113	-$97	2016-02-12
Q4 2015	AEGERION PHARMACEUTICALS INC CUSIP 00767E952	Cmn · Put	27,500	27,400	-100	$374	$277	-$97	2016-02-12
Q4 2015	FIRST CASH FINL SVCS INC COMMON STOCK CUSIP 31942D957	Cmn · Put	2,800	400	-2,400	$112	$15	-$97	2016-02-12
Q4 2015	ON ASSIGNMENT INC CMN STK CUSIP 682159908	Cmn · Call	6,500	3,200	-3,300	$240	$144	-$96	2016-02-12
Q4 2015	AMERICAN CAPITAL MORTGAGE IN CUSIP 02504A954	Cmn · Put	18,000	12,100	-5,900	$265	$169	-$96	2016-02-12
Q4 2015	COMMUNICATIONS SALES & LE CUSIP 20341J904	Cmn · Call	11,100	5,500	-5,600	$199	$103	-$96	2016-02-12
Q4 2015	UNIVERSAL CORP VA CUSIP 913456909	Cmn · Call	8,700	6,000	-2,700	$431	$336	-$95	2016-02-12
Q4 2015	SONIC CORP CMN STK CUSIP 835451955	Cmn · Put	11,900	5,500	-6,400	$273	$178	-$95	2016-02-12
Q4 2015	CHINA YUCHAI INTERNATIONAL LIMITED COMMON STOCK CUSIP G21082905	Cmn · Call	9,600	2,200	-7,400	$119	$24	-$95	2016-02-12
Q4 2015	HHGREGG INC CUSIP 42833L908	Cmn · Call	22,600	4,100	-18,500	$110	$15	-$95	2016-02-12
Q4 2015	BANKUNITED INC CUSIP 06652K903	Cmn · Call	7,500	4,800	-2,700	$268	$173	-$95	2016-02-12
Q4 2015	SS&C TECHNOLOGIES HOLDINGS CUSIP 78467J900	Cmn · Call	3,600	2,300	-1,300	$252	$157	-$95	2016-02-12
Q4 2015	HORMEL FOODS CORP CUSIP 440452950	Cmn · Put	17,000	14,800	-2,200	$1,076	$1,170	+$94	2016-02-12
Q4 2015	PDC ENERGY INC CUSIP 69327R951	Cmn · Put	20,200	18,300	-1,900	$1,071	$977	-$94	2016-02-12
Q4 2015	WINNEBAGO INDUSTRIES CMN STK CUSIP 974637900	Cmn · Call	18,100	12,700	-5,400	$347	$253	-$94	2016-02-12
Q4 2015	VALLEY NATIONAL BANCORP CMN STK CUSIP 919794957	Cmn · Put	12,600	3,000	-9,600	$124	$30	-$94	2016-02-12
Q4 2015	WORKIVA INC CUSIP 98139A905	Cmn · Call	6,900	600	-6,300	$105	$11	-$94	2016-02-12
Q4 2015	ENDURANCE SPECIALTY HOLDINGS LTD COMMON STOCK CUSIP G30397956	Cmn · Put	2,800	1,200	-1,600	$171	$77	-$94	2016-02-12
Q4 2015	EXAMWORKS GROUP INC CUSIP 30066A955	Cmn · Put	5,400	2,400	-3,000	$158	$64	-$94	2016-02-12
Q4 2015	BRUKER CORP CUSIP 116794908	Cmn · Call	7,800	1,400	-6,400	$128	$34	-$94	2016-02-12
Q4 2015	ISLE OF CAPRI CASINOS INC CMN STK CUSIP 464592904	Cmn · Call	24,900	24,400	-500	$434	$340	-$94	2016-02-12
Q4 2015	ALTISOURCE PORTFOLIO SOL CUSIP L0175J954	Cmn · Put	21,200	14,800	-6,400	$505	$412	-$93	2016-02-12
Q4 2015	JABIL CIRCUIT INC CMN STK CUSIP 466313903	Cmn · Call	70,800	64,000	-6,800	$1,584	$1,491	-$93	2016-02-12
Q4 2015	PATTERSON-UTI ENERGY COMMON STOCK CUSIP 703481951	Cmn · Put	58,200	56,900	-1,300	$765	$858	+$93	2016-02-12
Q4 2015	TETRAPHASE PHARMACEUTICALS I CUSIP 88165N955	Cmn · Put	50,800	28,500	-22,300	$379	$286	-$93	2016-02-12
Q4 2015	TIMKENSTEEL CORP CUSIP 887399903	Cmn · Call	13,300	5,000	-8,300	$135	$42	-$93	2016-02-12
Q4 2015	WGL HOLDINGS INC CMN STK CUSIP 92924F956	Cmn · Put	2,600	900	-1,700	$150	$57	-$93	2016-02-12
Q4 2015	GUGGENHEIM SOLAR ETF CUSIP 18383Q959	Cmn · Put	9,500	5,200	-4,300	$252	$159	-$93	2016-02-12
Q4 2015	MID-AMERICA APT CMNTYS INC CMN STK CUSIP 59522J903	Cmn · Call	8,900	7,000	-1,900	$729	$636	-$93	2016-02-12
Q4 2015	AXOVANT SCIENCES LTD CUSIP G0750W954	Cmn · Put	13,200	4,300	-8,900	$171	$78	-$93	2016-02-12
Q4 2015	SYNNEX CORP COMMON STOCK CUSIP 87162W950	Cmn · Put	8,800	7,300	-1,500	$749	$656	-$93	2016-02-12
Q4 2015	BAZAARVOICE INC CUSIP 073271958	Cmn · Put	26,200	5,700	-20,500	$118	$25	-$93	2016-02-12
Q4 2015	ALTISOURCE RESIDENTIAL CUSIP 02153W950	Cmn · Put	7,700	1,200	-6,500	$107	$15	-$92	2016-02-12
Q4 2015	BIOCRYST PHARMACEUTICALS INC CUSIP 09058V953	Cmn · Put	20,200	13,400	-6,800	$230	$138	-$92	2016-02-12
Q4 2015	GEOSPACE TECHNOLOGIES CORP CUSIP 37364X959	Cmn · Put	9,000	2,300	-6,700	$124	$32	-$92	2016-02-12
Q4 2015	SYNERGY RESOURCES CORP CUSIP 87164P903	Cmn · Call	19,600	11,700	-7,900	$192	$100	-$92	2016-02-12
Q4 2015	IPATH S&P 500 VIX MID-TERM FUTUR CUSIP 06740C909	Cmn · Call	18,800	13,700	-5,100	$245	$153	-$92	2016-02-12
Q4 2015	DIEBOLD INC CMN STK CUSIP 253651953	Cmn · Put	12,500	9,300	-3,200	$372	$280	-$92	2016-02-12
Q4 2015	TRANSCANADA PIPELINES LTD CMN STOCK CUSIP 89353D957	Cmn · Put	22,200	18,700	-3,500	$701	$609	-$92	2016-02-12
Q4 2015	SILICON LABORATORIES INC CMN STOCK CUSIP 826919952	Cmn · Put	4,800	2,200	-2,600	$199	$107	-$92	2016-02-12
Q4 2015	DARLING INGREDIENTS INC CUSIP 237266951	Cmn · Put	26,300	19,500	-6,800	$296	$205	-$91	2016-02-12
Q4 2015	MIMEDX GROUP INC CUSIP 602496901	Cmn · Call	16,000	6,700	-9,300	$154	$63	-$91	2016-02-12
Q4 2015	PINNACLE FOODS INC CUSIP 72348P904	Cmn · Call	3,800	1,600	-2,200	$159	$68	-$91	2016-02-12
Q4 2015	STURM RUGER & CO INC CMN STK CUSIP 864159958	Cmn · Put	17,400	15,600	-1,800	$1,021	$930	-$91	2016-02-12
Q4 2015	LIBERTY INTERACTIVE CORP QVC G CUSIP 53071M904	Cmn · Call	30,900	26,400	-4,500	$811	$721	-$90	2016-02-12
Q4 2015	MSA SAFETY INC CUSIP 553498906	Cmn · Call	6,600	4,000	-2,600	$264	$174	-$90	2016-02-12
Q4 2015	CONSTELLIUM HOLDCO BV CUSIP N22035954	Cmn · Put	38,200	18,300	-19,900	$231	$141	-$90	2016-02-12
Q4 2015	BANK OF NOVA SCOTIA COMMON STOCK CUSIP 064149907	Cmn · Call	3,600	1,700	-1,900	$159	$69	-$90	2016-02-12
Q4 2015	FLOWERS FOODS INC CUSIP 343498951	Cmn · Put	9,000	6,200	-2,800	$223	$133	-$90	2016-02-12
Q4 2015	OREXIGEN THERAPEUTICS INC CUSIP 686164954	Cmn · Put	64,800	27,300	-37,500	$137	$47	-$90	2016-02-12
Q4 2015	SIMPSON MANUFACTURING INC CMN STK CUSIP 829073905	Cmn · Call	4,700	2,000	-2,700	$157	$68	-$89	2016-02-12
Q4 2015	ASSURED GUARANTY COMMON STOCK CUSIP G0585R906	Cmn · Call	95,200	86,700	-8,500	$2,380	$2,291	-$89	2016-02-12
Q4 2015	HILLENBRAND INC CUSIP 431571958	Cmn · Put	4,800	1,200	-3,600	$125	$36	-$89	2016-02-12
Q4 2015	BELMOND LTD CUSIP G1154H957	Cmn · Put	10,600	1,900	-8,700	$107	$18	-$89	2016-02-12
Q4 2015	UGI CORPORATION COMMON STOCK CUSIP 902681905	Cmn · Call	12,900	10,700	-2,200	$449	$361	-$88	2016-02-12
Q4 2015	ZAFGEN INC CUSIP 98885E953	Cmn · Put	3,200	2,300	-900	$102	$14	-$88	2016-02-12
Q4 2015	WESTLAKE CHEMICAL PARTNERS L CUSIP 960417903	Cmn · Call	9,100	3,200	-5,900	$159	$71	-$88	2016-02-12
Q4 2015	AQUA AMERICA INC CMN STK CUSIP 03836W903	Cmn · Call	5,800	2,200	-3,600	$154	$66	-$88	2016-02-12
Q4 2015	AES CORPORATION CUSIP 00130H905	Cmn · Call	20,800	12,100	-8,700	$204	$116	-$88	2016-02-12
Q4 2015	POWER INTEGRATIONS INC CMN STOCK CUSIP 739276903	Cmn · Call	9,000	6,000	-3,000	$380	$292	-$88	2016-02-12
Q4 2015	BLACKHAWK NETWORK HOLDINGS I CUSIP 09238E954	Cmn · Put	5,800	3,600	-2,200	$246	$159	-$87	2016-02-12
Q4 2015	PAPA MURPHY'S HOLDINGS INC CUSIP 698814900	Cmn · Call	12,900	9,100	-3,800	$189	$102	-$87	2016-02-12
Q4 2015	CVR PARTNERS LP CUSIP 126633906	Cmn · Call	17,900	10,000	-7,900	$167	$80	-$87	2016-02-12
Q4 2015	II-VI INC CMN STK CUSIP 902104908	Cmn · Call	14,300	7,700	-6,600	$230	$143	-$87	2016-02-12
Q4 2015	SUN COMMUNITIES INC CMN STK CUSIP 866674904	Cmn · Call	2,800	1,500	-1,300	$190	$103	-$87	2016-02-12
Q4 2015	KEYSIGHT TECHNOLOGIES INC CUSIP 49338L953	Cmn · Put	4,700	2,100	-2,600	$145	$59	-$86	2016-02-12
Q4 2015	CYRUSONE INC CUSIP 23283R950	Cmn · Put	5,600	2,600	-3,000	$183	$97	-$86	2016-02-12
Q4 2015	EQUIFAX INC CMN STK CUSIP 294429955	Cmn · Put	5,700	4,200	-1,500	$554	$468	-$86	2016-02-12
Q4 2015	ON ASSIGNMENT INC CMN STK CUSIP 682159958	Cmn · Put	2,400	100	-2,300	$89	$4	-$85	2016-02-12
Q4 2015	MISTRAS GROUP INC CUSIP 60649T907	Cmn · Call	11,700	3,400	-8,300	$150	$65	-$85	2016-02-12

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