Citadel Advisors LLC Historic Quarter Change: USA Options, Added, 2015 Q4, Page 13

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 2015: Stock NRG ENERGY INC COMMON STOCK; Country of operation —; Class Cmn · Put; Shares before 132,100.
Q4 2015: Stock PIER 1 IMPORTS COMMON STOCK; Country of operation —; Class Cmn · Put; Shares before 53,400.
Q4 2015: Stock ZAYO GROUP HOLDINGS INC; Country of operation —; Class Cmn · Put; Shares before 5,700.
Q4 2015: Stock COMMERCIAL METALS CMN STK; Country of operation —; Class Cmn · Call; Shares before 8,000.

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 2015	NRG ENERGY INC COMMON STOCK CUSIP 629377958	—	Cmn · Put	132,100	159,500	+27,400	$1,962	$1,877	-$85	2016-02-12
Q4 2015	PIER 1 IMPORTS COMMON STOCK CUSIP 720279958	—	Cmn · Put	53,400	55,600	+2,200	$368	$283	-$85	2016-02-12
Q4 2015	ZAYO GROUP HOLDINGS INC CUSIP 98919V955	—	Cmn · Put	5,700	8,600	+2,900	$145	$229	+$84	2016-02-12
Q4 2015	COMMERCIAL METALS CMN STK CUSIP 201723903	—	Cmn · Call	8,000	14,000	+6,000	$108	$192	+$84	2016-02-12
Q4 2015	HARTFORD FINANCIAL SVCS GRP CMN STOCK CUSIP 416515904	—	Cmn · Call	68,900	74,500	+5,600	$3,154	$3,238	+$84	2016-02-12
Q4 2015	MAXWELL TECHNOLOGIES INC CMN STK CUSIP 577767906	—	Cmn · Call	13,900	22,300	+8,400	$75	$159	+$84	2016-02-12
Q4 2015	WOLVERINE WORLD WIDE CMN STK CUSIP 978097953	—	Cmn · Put	3,500	9,500	+6,000	$76	$159	+$83	2016-02-12
Q4 2015	INNOSPEC INC CMN STK CUSIP 45768S955	—	Cmn · Put	2,200	3,400	+1,200	$102	$185	+$83	2016-02-12
Q4 2015	DONALDSON CO INC CMN STK CUSIP 257651959	—	Cmn · Put	600	3,500	+2,900	$17	$100	+$83	2016-02-12
Q4 2015	MATSON INC CUSIP 57686G905	—	Cmn · Call	1,500	3,300	+1,800	$58	$141	+$83	2016-02-12
Q4 2015	NATURAL GROCERS BY VITAMIN C CUSIP 63888U908	—	Cmn · Call	7,600	12,500	+4,900	$172	$255	+$83	2016-02-12
Q4 2015	NEW YORK REIT INC CUSIP 64976L909	—	Cmn · Call	2,500	9,300	+6,800	$25	$107	+$82	2016-02-12
Q4 2015	WASTE CONNECTIONS INC CMN STOCK CUSIP 941053900	—	Cmn · Call	3,200	4,200	+1,000	$155	$237	+$82	2016-02-12
Q4 2015	WHITING PETROLEUM CORP COMMON STOCK CUSIP 966387952	—	Cmn · Put	190,000	298,600	+108,600	$2,901	$2,819	-$82	2016-02-12
Q4 2015	QUALITY SYSTEMS INC CMN STK CUSIP 747582904	—	Cmn · Call	4,000	8,200	+4,200	$50	$132	+$82	2016-02-12
Q4 2015	WORTHINGTON INDS INC CUSIP 981811952	—	Cmn · Put	9,100	10,700	+1,600	$241	$322	+$81	2016-02-12
Q4 2015	CEDAR FAIR -LP CUSIP 150185906	—	Cmn · Call	5,800	6,900	+1,100	$305	$385	+$80	2016-02-12
Q4 2015	CUBIC CORP CMN STK CUSIP 229669906	—	Cmn · Call	4,300	5,500	+1,200	$180	$260	+$80	2016-02-12
Q4 2015	WESTLAKE CHEMICAL PARTNERS L CUSIP 960417953	—	Cmn · Put	2,600	5,700	+3,100	$46	$126	+$80	2016-02-12
Q4 2015	FTI CONSULTING INC CMN STOCK CUSIP 302941909	—	Cmn · Call	4,100	7,200	+3,100	$170	$250	+$80	2016-02-12
Q4 2015	FLOTEK INDUSTRIES INC COMMON STOCK CUSIP 343389902	—	Cmn · Call	68,100	92,400	+24,300	$1,137	$1,057	-$80	2016-02-12
Q4 2015	IDEX CORP CMN STK CUSIP 45167R954	—	Cmn · Put	1,800	2,700	+900	$128	$207	+$79	2016-02-12
Q4 2015	BERKLEY (W R) CORP CMN STK CUSIP 084423902	—	Cmn · Call	2,500	3,900	+1,400	$136	$214	+$78	2016-02-12
Q4 2015	CALPINE CORP/NEW CUSIP 131347954	—	Cmn · Put	68,200	74,200	+6,000	$996	$1,074	+$78	2016-02-12
Q4 2015	ARIAD PHARMACEUTICALS INC CMN STOCK CUSIP 04033A900	—	Cmn · Call	76,700	84,200	+7,500	$448	$526	+$78	2016-02-12
Q4 2015	FIRST TRUST ISE-REV NAT GAS CUSIP 33734J952	—	Cmn · Put	4,600	23,400	+18,800	$26	$104	+$78	2016-02-12
Q4 2015	CARDIOVASCULAR SYSTEMS INC CUSIP 141619906	—	Cmn · Call	3,000	8,300	+5,300	$48	$125	+$77	2016-02-12
Q4 2015	REGAL BELOIT CORP CUSIP 758750903	—	Cmn · Call	500	1,800	+1,300	$28	$105	+$77	2016-02-12
Q4 2015	SUPERVALU INC CUSIP 868536953	—	Cmn · Put	123,200	141,900	+18,700	$885	$962	+$77	2016-02-12
Q4 2015	CHIMERA INVESTMENT CORP CUSIP 16934Q958	—	Cmn · Put	14,200	19,600	+5,400	$190	$267	+$77	2016-02-12
Q4 2015	APOLLO EDUCATION GROUP INC CUSIP 037604955	—	Cmn · Put	60,800	77,800	+17,000	$673	$597	-$76	2016-02-12
Q4 2015	CONSOLIDATED COMM ILLINOIS HOLDINGS INC. COMMON S CUSIP 209034957	—	Cmn · Put	3,600	6,900	+3,300	$69	$145	+$76	2016-02-12
Q4 2015	FORMFACTOR INC CMN STK CUSIP 346375908	—	Cmn · Call	4,200	11,600	+7,400	$28	$104	+$76	2016-02-12
Q4 2015	VITAMIN SHOPPE INC CUSIP 92849E901	—	Cmn · Call	9,100	11,400	+2,300	$297	$373	+$76	2016-02-12
Q4 2015	CARDTRONICS INC CUSIP 14161H908	—	Cmn · Call	1,700	3,900	+2,200	$56	$131	+$75	2016-02-12
Q4 2015	HORTONWORKS INC CUSIP 440894953	—	Cmn · Put	12,700	16,100	+3,400	$278	$353	+$75	2016-02-12
Q4 2015	TEXTAINER GROUP HOLDINGS LTD CUSIP G8766E909	—	Cmn · Call	12,900	20,400	+7,500	$213	$288	+$75	2016-02-12
Q4 2015	CAESARS ENTERTAINMENT CORP CUSIP 127686953	—	Cmn · Put	20,500	24,900	+4,400	$121	$196	+$75	2016-02-12
Q4 2015	FINANCIAL ENGINES INC CUSIP 317485900	—	Cmn · Call	3,200	5,000	+1,800	$94	$168	+$74	2016-02-12
Q4 2015	SKYWEST INC CMN STK CUSIP 830879952	—	Cmn · Put	3,000	6,500	+3,500	$50	$124	+$74	2016-02-12
Q4 2015	ISHARES US REGIONAL BANKS ETF CUSIP 464288908	—	Cmn · Call	6,100	8,000	+1,900	$206	$280	+$74	2016-02-12
Q4 2015	MAGNACHIP SEMICONDUCT CUSIP 55933J953	—	Cmn · Put	5,600	20,800	+15,200	$37	$110	+$73	2016-02-12
Q4 2015	PLUG POWER INC CUSIP 72919P952	—	Cmn · Put	31,100	61,800	+30,700	$57	$130	+$73	2016-02-12
Q4 2015	SHOPIFY INC CUSIP 82509L957	—	Cmn · Put	14,600	17,100	+2,500	$514	$441	-$73	2016-02-12
Q4 2015	WADDELL & REED FINL INC CMN STOCK CUSIP 930059900	—	Cmn · Call	7,700	11,900	+4,200	$268	$341	+$73	2016-02-12
Q4 2015	DEL FRISCO'S RESTAURANT GROUP CUSIP 245077902	—	Cmn · Call	2,400	6,600	+4,200	$33	$106	+$73	2016-02-12
Q4 2015	ENLINK MIDSTREAM LLC CUSIP 29336T950	—	Cmn · Put	4,300	10,100	+5,800	$79	$152	+$73	2016-02-12
Q4 2015	NATIONAL RETAIL PROPERTIES CUSIP 637417956	—	Cmn · Put	2,400	4,000	+1,600	$87	$160	+$73	2016-02-12
Q4 2015	POWERSHARES DB OIL FUND CUSIP 73936B957	—	Cmn · Put	2,400	11,100	+8,700	$27	$100	+$73	2016-02-12
Q4 2015	GERON CORP CUSIP 374163903	—	Cmn · Call	34,000	34,300	+300	$94	$166	+$72	2016-02-12
Q4 2015	GRAPHIC PACKAGING HOLDING CO CMN STOCK CUSIP 388689951	—	Cmn · Put	2,900	8,500	+5,600	$37	$109	+$72	2016-02-12
Q4 2015	PROOFPOINT INC CUSIP 743424953	—	Cmn · Put	12,600	12,800	+200	$760	$832	+$72	2016-02-12
Q4 2015	AEROJET ROCKETDYNE HOLDINGS IN CUSIP 007800955	—	Cmn · Put	5,500	10,300	+4,800	$89	$161	+$72	2016-02-12
Q4 2015	FUTUREFUEL CORP CUSIP 36116M906	—	Cmn · Call	2,900	7,500	+4,600	$29	$101	+$72	2016-02-12
Q4 2015	NEW RESIDENTIAL INVESTMENT CORP CUSIP 64828T951	—	Cmn · Put	22,000	29,500	+7,500	$288	$359	+$71	2016-02-12
Q4 2015	AGRIUM COMMON CUSIP 008916908	—	Cmn · Call	57,700	58,600	+900	$5,164	$5,235	+$71	2016-02-12
Q4 2015	KBR INC CUSIP 48242W956	—	Cmn · Put	28,800	32,500	+3,700	$480	$550	+$70	2016-02-12
Q4 2015	HACKETT GROUP INC/THE CMN STOCK CUSIP 404609909	—	Cmn · Call	3,700	7,500	+3,800	$51	$121	+$70	2016-02-12
Q4 2015	ICONIX BRAND GROUP INC COMMON STOCK CUSIP 451055957	—	Cmn · Put	19,700	28,700	+9,000	$266	$196	-$70	2016-02-12
Q4 2015	FIRST REPUBLIC BANK/CA CUSIP 33616C950	—	Cmn · Put	3,200	4,100	+900	$201	$271	+$70	2016-02-12
Q4 2015	AMKOR TECHNOLOGY INC. CUSIP 031652900	—	Cmn · Call	15,700	23,100	+7,400	$70	$140	+$70	2016-02-12
Q4 2015	GATX CORPORATION COMMON STOCK CUSIP 361448903	—	Cmn · Call	4,200	6,000	+1,800	$185	$255	+$70	2016-02-12
Q4 2015	TUESDAY MORNING CORP CMN STK NEW CUSIP 899035955	—	Cmn · Put	200	10,900	+10,700	$1	$71	+$70	2016-02-12
Q4 2015	FARO TECHNOLOGIES INC CUSIP 311642902	—	Cmn · Call	3,300	6,300	+3,000	$116	$186	+$70	2016-02-12
Q4 2015	FIRST HORIZON NATIONAL CORP CMN STK CUSIP 320517955	—	Cmn · Put	1,200	5,900	+4,700	$17	$86	+$69	2016-02-12
Q4 2015	AEROVIRONMENT INC CUSIP 008073958	—	Cmn · Put	6,300	6,600	+300	$126	$195	+$69	2016-02-12
Q4 2015	GASLOG LTD CUSIP G37585909	—	Cmn · Call	37,200	51,500	+14,300	$358	$427	+$69	2016-02-12
Q4 2015	TRONOX INC/NEW CUSIP Q9235V951	—	Cmn · Put	64,600	89,800	+25,200	$282	$351	+$69	2016-02-12
Q4 2015	INTERNATIONAL GAME TECHNOLOGY PLC CUSIP G4863A958	—	Cmn · Put	10,200	13,900	+3,700	$156	$225	+$69	2016-02-12
Q4 2015	AMAG PHARMACEUTICALS INC CMN STK CUSIP 00163U956	—	Cmn · Put	21,100	30,000	+8,900	$838	$906	+$68	2016-02-12
Q4 2015	BLACKBAUD INC COMMON STOCK CUSIP 09227Q900	—	Cmn · Call	2,900	3,500	+600	$163	$231	+$68	2016-02-12
Q4 2015	CEPHEID INC CUSIP 15670R957	—	Cmn · Put	9,100	9,400	+300	$411	$343	-$68	2016-02-12
Q4 2015	ECOLOGY INC CUSIP 91732J952	—	Cmn · Put	2,700	5,100	+2,400	$118	$186	+$68	2016-02-12
Q4 2015	GREEN DOT CORP-CLASS A CUSIP 39304D952	—	Cmn · Put	9,200	14,000	+4,800	$162	$230	+$68	2016-02-12
Q4 2015	LENDINGCLUB CORP CUSIP 52603A959	—	Cmn · Put	79,400	101,200	+21,800	$1,050	$1,118	+$68	2016-02-12
Q4 2015	JOHNSON CONTROLS INC. CUSIP 478366957	—	Cmn · Put	104,900	111,600	+6,700	$4,339	$4,407	+$68	2016-02-12
Q4 2015	PMC - SIERRA INC CMN STK CUSIP 69344F956	—	Cmn · Put	5,800	9,200	+3,400	$39	$107	+$68	2016-02-12
Q4 2015	UTI WORLDWIDE(IPO) CMN STOCK CUSIP G87210903	—	Cmn · Call	400	10,000	+9,600	$2	$70	+$68	2016-02-12
Q4 2015	BONANZA CREEK ENERGY INC CUSIP 097793953	—	Cmn · Put	34,700	39,600	+4,900	$141	$209	+$68	2016-02-12
Q4 2015	UNITED STATES GAS FUND LP CUSIP 91201T902	—	Cmn · Call	15,800	19,400	+3,600	$500	$568	+$68	2016-02-12
Q4 2015	DUKE REALTY CORP CMN STK CUSIP 264411905	—	Cmn · Call	2,400	5,400	+3,000	$46	$114	+$68	2016-02-12
Q4 2015	GUIDEWIRE SOFTWARE INC CUSIP 40171V950	—	Cmn · Put	4,900	5,400	+500	$258	$325	+$67	2016-02-12
Q4 2015	Ceva Inc COMMON STOCK CUSIP 157210905	—	Cmn · Call	1,800	4,300	+2,500	$33	$100	+$67	2016-02-12
Q4 2015	CABOT OIL & GAS CORP -CL A CMN STK CUSIP 127097903	—	Cmn · Call	58,900	69,000	+10,100	$1,288	$1,221	-$67	2016-02-12
Q4 2015	CORSS COUNTRY HEALTHCARE INC CMN STK CUSIP 227483904	—	Cmn · Call	2,400	6,100	+3,700	$33	$100	+$67	2016-02-12
Q4 2015	2U INC CUSIP 90214J901	—	Cmn · Call	10,700	16,100	+5,400	$384	$450	+$66	2016-02-12
Q4 2015	T-MOBILE US INC CUSIP 872590904	—	Cmn · Call	101,700	105,200	+3,500	$4,049	$4,115	+$66	2016-02-12
Q4 2015	VIAVI SOLUTIONS INC CUSIP 925550955	—	Cmn · Put	13,300	22,500	+9,200	$71	$137	+$66	2016-02-12
Q4 2015	WASHINGTON REIT CMN STK CUSIP 939653951	—	Cmn · Put	1,600	3,900	+2,300	$40	$106	+$66	2016-02-12
Q4 2015	FRONTIER COMMUNICATIONS CORP CUSIP 35906A958	—	Cmn · Put	71,000	86,400	+15,400	$337	$403	+$66	2016-02-12
Q4 2015	OIL STATES INTERNATIONAL INC. CUSIP 678026955	—	Cmn · Put	14,400	16,200	+1,800	$376	$441	+$65	2016-02-12
Q4 2015	ON DECK CAPITAL INC CUSIP 682163900	—	Cmn · Call	19,900	25,400	+5,500	$197	$262	+$65	2016-02-12
Q4 2015	POOL CORP CMN STOCK CUSIP 73278L905	—	Cmn · Call	2,800	3,300	+500	$202	$267	+$65	2016-02-12
Q4 2015	INTEGRA LIFESCIENCES HOLDINGS CMN STOCK CUSIP 457985908	—	Cmn · Call	1,200	2,000	+800	$71	$136	+$65	2016-02-12
Q4 2015	SPRINT CORP CUSIP 85207U905	—	Cmn · Call	267,600	302,000	+34,400	$1,028	$1,093	+$65	2016-02-12
Q4 2015	OCEAN RIG UDW INC CUSIP Y64354955	—	Cmn · Put	64,400	123,600	+59,200	$137	$201	+$64	2016-02-12
Q4 2015	OMNOVA SOLUTIONS INC CMN STOCK CUSIP 682129901	—	Cmn · Call	3,000	13,200	+10,200	$17	$81	+$64	2016-02-12
Q4 2015	SPECTRA ENERGY CORP COMMON STOCK CUSIP 847560959	—	Cmn · Put	90,000	101,400	+11,400	$2,364	$2,428	+$64	2016-02-12
Q4 2015	BLUEPRINT MEDICINES CORP CUSIP 09627Y959	—	Cmn · Put	3,300	5,100	+1,800	$70	$134	+$64	2016-02-12
Q4 2015	MARVELL TECHNOLOGY GROUP LTD CUSIP G5876H905	—	Cmn · Call	21,800	29,500	+7,700	$197	$261	+$64	2016-02-12

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