Citadel Advisors LLC Historic Quarter Change: USA Options, Added, 2015 Q4, Page 9

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 ADVANCE AUTO PARTS INC CMN STK; Country of operation —; Class Cmn · Put; Shares before 57,600.
Q4 2015: Stock JUNO THERAPEUTICS INC; Country of operation —; Class Cmn · Put; Shares before 16,400.
Q4 2015: Stock LOGMEIN INC; Country of operation —; Class Cmn · Put; Shares before 4,200.
Q4 2015: Stock BOYD GAMING CORP CMN STK; Country of operation —; Class Cmn · Put; Shares before 34,600.

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	ADVANCE AUTO PARTS INC CMN STK CUSIP 00751Y956	—	Cmn · Put	57,600	74,300	+16,700	$10,917	$11,183	+$266	2016-02-12
Q4 2015	JUNO THERAPEUTICS INC CUSIP 48205A959	—	Cmn · Put	16,400	21,200	+4,800	$667	$932	+$265	2016-02-12
Q4 2015	LOGMEIN INC CUSIP 54142L959	—	Cmn · Put	4,200	8,200	+4,000	$286	$550	+$264	2016-02-12
Q4 2015	BOYD GAMING CORP CMN STK CUSIP 103304951	—	Cmn · Put	34,600	41,600	+7,000	$564	$827	+$263	2016-02-12
Q4 2015	ACACIA RESEARCH -ACACIA TECHNOLOGIES COMMON STOCK CUSIP 003881957	—	Cmn · Put	7,700	77,500	+69,800	$70	$332	+$262	2016-02-12
Q4 2015	PPL CORPORATION CUSIP 69351T956	—	Cmn · Put	18,600	25,600	+7,000	$612	$874	+$262	2016-02-12
Q4 2015	MDC HOLDINGS INC. CUSIP 552676908	—	Cmn · Call	27,900	38,800	+10,900	$730	$991	+$261	2016-02-12
Q4 2015	SM ENERGY CO CUSIP 78454L950	—	Cmn · Put	38,500	49,500	+11,000	$1,234	$973	-$261	2016-02-12
Q4 2015	EQT MIDSTREAM PARTNERS LP CUSIP 26885B900	—	Cmn · Call	13,500	15,300	+1,800	$895	$1,155	+$260	2016-02-12
Q4 2015	MEDIDATA SOLUTIONS INC CUSIP 58471A905	—	Cmn · Call	16,100	19,000	+2,900	$678	$937	+$259	2016-02-12
Q4 2015	CAMECO CORP CMN STK CUSIP 13321L908	—	Cmn · Call	136,600	155,700	+19,100	$1,662	$1,920	+$258	2016-02-12
Q4 2015	BRINK'S CO/THE CMN STOCK CUSIP 109696954	—	Cmn · Put	2,300	11,100	+8,800	$62	$320	+$258	2016-02-12
Q4 2015	TECH DATA CORP CMN STK CUSIP 878237906	—	Cmn · Call	4,000	8,000	+4,000	$274	$531	+$257	2016-02-12
Q4 2015	VALSPAR CORP CMN STK CUSIP 920355904	—	Cmn · Call	9,600	11,400	+1,800	$690	$946	+$256	2016-02-12
Q4 2015	PENN NATIONAL GAMING INC CMN STOCK CUSIP 707569909	—	Cmn · Call	29,800	47,100	+17,300	$500	$755	+$255	2016-02-12
Q4 2015	TRONOX INC/NEW CUSIP Q9235V901	—	Cmn · Call	51,500	122,500	+71,000	$225	$479	+$254	2016-02-12
Q4 2015	NAVISTAR INTERNATIONAL CORP COMMON STOCK CUSIP 63934E908	—	Cmn · Call	82,100	89,400	+7,300	$1,044	$790	-$254	2016-02-12
Q4 2015	BIG LOTS INC CMN STK CUSIP 089302953	—	Cmn · Put	10,900	20,100	+9,200	$522	$775	+$253	2016-02-12
Q4 2015	THERAVANCE INC. COMMON STOCK CUSIP 88338T954	—	Cmn · Put	5,400	27,600	+22,200	$39	$291	+$252	2016-02-12
Q4 2015	ALERIAN MLP ETF CUSIP 00162Q956	—	Cmn · Put	62,400	85,300	+22,900	$779	$1,028	+$249	2016-02-12
Q4 2015	KITE PHARMA INC CUSIP 49803L959	—	Cmn · Put	12,800	15,600	+2,800	$713	$961	+$248	2016-02-12
Q4 2015	MARRIOTT VACATIONS WORLD CUSIP 57164Y957	—	Cmn · Put	8,400	14,400	+6,000	$572	$820	+$248	2016-02-12
Q4 2015	EXCO RESOURCES INC CMN STK CUSIP 269279902	—	Cmn · Call	27,000	214,200	+187,200	$20	$266	+$246	2016-02-12
Q4 2015	AKORN INC CMN STK CUSIP 009728956	—	Cmn · Put	5,900	11,100	+5,200	$168	$414	+$246	2016-02-12
Q4 2015	BUFFALO WILD WINGS INC COMMON STOCK CUSIP 119848909	—	Cmn · Call	65,500	80,900	+15,400	$12,670	$12,916	+$246	2016-02-12
Q4 2015	ONEOK PARTNERS L.P. CMN STOCK CUSIP 68268N953	—	Cmn · Put	8,100	16,000	+7,900	$237	$482	+$245	2016-02-12
Q4 2015	JONES LANG LASALLE INC CMN STOCK CUSIP 48020Q907	—	Cmn · Call	13,200	13,400	+200	$1,898	$2,142	+$244	2016-02-12
Q4 2015	VALERO ENERGY PARTNERS LP CUSIP 91914J952	—	Cmn · Put	6,200	10,000	+3,800	$274	$516	+$242	2016-02-12
Q4 2015	CHEESECAKE FACTORY INC CMN STK CUSIP 163072901	—	Cmn · Call	17,100	25,200	+8,100	$923	$1,162	+$239	2016-02-12
Q4 2015	AMSURG CORP CUSIP 03232P955	—	Cmn · Put	2,300	5,500	+3,200	$179	$418	+$239	2016-02-12
Q4 2015	MARRIOTT VACATIONS WORLD CUSIP 57164Y907	—	Cmn · Call	7,300	12,900	+5,600	$497	$735	+$238	2016-02-12
Q4 2015	B/E AEROSPACE INC CUSIP 073302901	—	Cmn · Call	13,000	19,100	+6,100	$571	$809	+$238	2016-02-12
Q4 2015	IMMUNOMEDICS INC CMN STK CUSIP 452907908	—	Cmn · Call	125,900	147,800	+21,900	$217	$454	+$237	2016-02-12
Q4 2015	BOYD GAMING CORP CMN STK CUSIP 103304901	—	Cmn · Call	1,700	13,300	+11,600	$28	$264	+$236	2016-02-12
Q4 2015	LUMENTUM HOLDINGS INC CUSIP 55024U909	—	Cmn · Call	10,700	18,900	+8,200	$181	$416	+$235	2016-02-12
Q4 2015	DUNKIN' BRANDS GROUP INC CUSIP 265504950	—	Cmn · Put	32,700	43,100	+10,400	$1,602	$1,836	+$234	2016-02-12
Q4 2015	CHANNELADVISOR CORP CUSIP 159179950	—	Cmn · Put	11,700	25,200	+13,500	$116	$349	+$233	2016-02-12
Q4 2015	INTERDIGITAL INC CUSIP 45867G951	—	Cmn · Put	5,300	10,200	+4,900	$268	$500	+$232	2016-02-12
Q4 2015	VANGUARD EUROPE PACIFIC ETF CUSIP 921943908	—	Cmn · Call	800	7,100	+6,300	$29	$261	+$232	2016-02-12
Q4 2015	HELEN OF TROY CORP CMN STOCK CUSIP G4388N956	—	Cmn · Put	10,600	12,500	+1,900	$947	$1,178	+$231	2016-02-12
Q4 2015	OMNICOM GROUP COMMON STOCK CUSIP 681919906	—	Cmn · Call	8,100	10,100	+2,000	$534	$764	+$230	2016-02-12
Q4 2015	PHILLIPS 66 PARTNERS LP CUSIP 718549907	—	Cmn · Call	9,900	11,700	+1,800	$488	$718	+$230	2016-02-12
Q4 2015	SIERRA WIRELESS INC COMMON STOCK CUSIP 826516956	—	Cmn · Put	36,400	63,500	+27,100	$770	$999	+$229	2016-02-12
Q4 2015	NATIONAL FUEL GAS CO CUSIP 636180901	—	Cmn · Call	8,500	15,300	+6,800	$425	$654	+$229	2016-02-12
Q4 2015	SCANA CORP CUSIP 80589M952	—	Cmn · Put	2,500	6,100	+3,600	$141	$369	+$228	2016-02-12
Q4 2015	AMERICAN CAPITAL AGENCY CORP CUSIP 02503X905	—	Cmn · Call	49,400	66,400	+17,000	$924	$1,152	+$228	2016-02-12
Q4 2015	ARROWHEAD RESEARCH CORP CUSIP 042797909	—	Cmn · Call	64,800	97,700	+32,900	$373	$601	+$228	2016-02-12
Q4 2015	CANADIAN NATL RY CO CMN STOCK CUSIP 136375952	—	Cmn · Put	8,700	12,900	+4,200	$494	$721	+$227	2016-02-12
Q4 2015	ENTERPRISE PRODUCTS PARTNERS L.P. CMN STOCK CUSIP 293792957	—	Cmn · Put	122,900	128,500	+5,600	$3,060	$3,287	+$227	2016-02-12
Q4 2015	MENTOR GRAPHICS CORP CMN STK CUSIP 587200956	—	Cmn · Put	6,900	21,500	+14,600	$170	$396	+$226	2016-02-12
Q4 2015	PUMA BIOTECHNOLOGY INC CUSIP 74587V907	—	Cmn · Call	9,700	12,200	+2,500	$731	$956	+$225	2016-02-12
Q4 2015	PHH CORPORATION COMMON STOCK CUSIP 693320902	—	Cmn · Call	6,500	19,500	+13,000	$92	$316	+$224	2016-02-12
Q4 2015	ISHARES MSCI PACIFIC EX JAPAN CUSIP 464286905	—	Cmn · Call	21,800	28,000	+6,200	$797	$1,020	+$223	2016-02-12
Q4 2015	JACK IN THE BOX INC. CMN STK CUSIP 466367909	—	Cmn · Call	21,600	24,600	+3,000	$1,664	$1,887	+$223	2016-02-12
Q4 2015	MARKETO INC CUSIP 57063L957	—	Cmn · Put	1,600	9,300	+7,700	$45	$267	+$222	2016-02-12
Q4 2015	AVON PRODUCTS INC. CUSIP 054303952	—	Cmn · Put	79,600	118,600	+39,000	$259	$480	+$221	2016-02-12
Q4 2015	CADENCE DESIGN SYSTEMS INC CUSIP 127387908	—	Cmn · Call	16,400	26,900	+10,500	$339	$560	+$221	2016-02-12
Q4 2015	PIEDMONT NATURAL GAS CO CMN STK CUSIP 720186955	—	Cmn · Put	2,900	5,900	+3,000	$116	$336	+$220	2016-02-12
Q4 2015	PHILLIPS 66 PARTNERS LP CUSIP 718549957	—	Cmn · Put	6,900	9,100	+2,200	$340	$559	+$219	2016-02-12
Q4 2015	PINNACLE WEST COMMON STOCK CUSIP 723484951	—	Cmn · Put	1,600	5,000	+3,400	$103	$322	+$219	2016-02-12
Q4 2015	LITHIA MOTORS CMN STOCK CUSIP 536797953	—	Cmn · Put	4,500	6,600	+2,100	$486	$704	+$218	2016-02-12
Q4 2015	STERICYCLE INC CMN STOCK CUSIP 858912908	—	Cmn · Call	18,700	23,400	+4,700	$2,605	$2,822	+$217	2016-02-12
Q4 2015	NORDIC AMERICAN TANKER LTD CUSIP G65773906	—	Cmn · Call	96,800	108,600	+11,800	$1,471	$1,688	+$217	2016-02-12
Q4 2015	PACWEST BANCORP CUSIP 695263903	—	Cmn · Call	2,700	7,700	+5,000	$116	$332	+$216	2016-02-12
Q4 2015	ITT CORP CMN STOCK CUSIP 450911951	—	Cmn · Put	6,500	11,900	+5,400	$217	$432	+$215	2016-02-12
Q4 2015	ATLAS AIR WORLDWIDE HOLDINGS INC CUSIP 049164905	—	Cmn · Call	4,300	8,800	+4,500	$149	$364	+$215	2016-02-12
Q4 2015	ULTRATECH INC CMN STK CUSIP 904034955	—	Cmn · Put	12,000	20,500	+8,500	$192	$406	+$214	2016-02-12
Q4 2015	GALLAGHER (ARTHUR J.) & CO CMN STK CUSIP 363576909	—	Cmn · Call	6,700	12,000	+5,300	$277	$491	+$214	2016-02-12
Q4 2015	CIRRUS LOGIC INC CUSIP 172755900	—	Cmn · Call	171,500	190,200	+18,700	$5,404	$5,617	+$213	2016-02-12
Q4 2015	TOTAL SYSTEM SERVICES INC CMN STK CUSIP 891906959	—	Cmn · Put	6,500	10,200	+3,700	$295	$508	+$213	2016-02-12
Q4 2015	SCIENTIFIC GAMES CORP CUSIP 80874P909	—	Cmn · Call	138,000	184,500	+46,500	$1,442	$1,655	+$213	2016-02-12
Q4 2015	AMERIGAS PARTNERS LP CMN STK CUSIP 030975906	—	Cmn · Call	4,800	12,000	+7,200	$199	$411	+$212	2016-02-12
Q4 2015	SEALED AIR CORPORATION CUSIP 81211K900	—	Cmn · Call	50,000	57,300	+7,300	$2,344	$2,556	+$212	2016-02-12
Q4 2015	CRACKER BARREL OLD COUNTRY STORE CUSIP 22410J906	—	Cmn · Call	24,600	26,900	+2,300	$3,623	$3,412	-$211	2016-02-12
Q4 2015	TIDEWATER COMMON STOCK TDW CUSIP 886423952	—	Cmn · Put	48,400	61,000	+12,600	$636	$425	-$211	2016-02-12
Q4 2015	AIR LEASE CORP CUSIP 00912X952	—	Cmn · Put	2,800	8,900	+6,100	$87	$298	+$211	2016-02-12
Q4 2015	GREENBRIER COS INC CMN STOCK CUSIP 393657901	—	Cmn · Call	41,100	46,900	+5,800	$1,320	$1,530	+$210	2016-02-12
Q4 2015	SYNOPSYS INC CMN STK CUSIP 871607907	—	Cmn · Call	400	5,000	+4,600	$18	$228	+$210	2016-02-12
Q4 2015	EATON VANCE CORP CMN STK CUSIP 278265903	—	Cmn · Call	2,000	8,500	+6,500	$67	$276	+$209	2016-02-12
Q4 2015	BGC PARTNERS INC CMN STOCK CUSIP 05541T951	—	Cmn · Put	12,400	31,600	+19,200	$102	$310	+$208	2016-02-12
Q4 2015	BARRACUDA NETWORKS INC CUSIP 068323904	—	Cmn · Call	24,800	31,800	+7,000	$386	$594	+$208	2016-02-12
Q4 2015	CABOT OIL & GAS CORP -CL A CMN STK CUSIP 127097953	—	Cmn · Put	45,300	67,700	+22,400	$990	$1,198	+$208	2016-02-12
Q4 2015	IMPERIAL OIL LTD CMN STOCK CUSIP 453038958	—	Cmn · Put	6,000	12,200	+6,200	$190	$397	+$207	2016-02-12
Q4 2015	MGIC INV CORP CMN STOCK CUSIP 552848953	—	Cmn · Put	84,700	112,100	+27,400	$784	$990	+$206	2016-02-12
Q4 2015	ACHILLION PHARMACEUTICALS IN CUSIP 00448Q951	—	Cmn · Put	45,600	48,300	+2,700	$315	$521	+$206	2016-02-12
Q4 2015	DST SYSTEMS INC CUSIP 233326907	—	Cmn · Call	9,000	10,100	+1,100	$946	$1,152	+$206	2016-02-12
Q4 2015	ZOE'S KITCHEN INC CUSIP 98979J909	—	Cmn · Call	55,600	85,800	+30,200	$2,196	$2,401	+$205	2016-02-12
Q4 2015	NISOURCE INC CMN STK CUSIP 65473P905	—	Cmn · Call	8,000	18,100	+10,100	$148	$353	+$205	2016-02-12
Q4 2015	BUCKEYE PARTNERS -LP CUSIP 118230901	—	Cmn · Call	12,900	14,700	+1,800	$765	$970	+$205	2016-02-12
Q4 2015	ALIGN TECHNOLOGY INC. CUSIP 016255901	—	Cmn · Call	12,200	13,600	+1,400	$692	$896	+$204	2016-02-12
Q4 2015	PULTE GROUP INC CUSIP 745867951	—	Cmn · Put	114,600	132,800	+18,200	$2,163	$2,367	+$204	2016-02-12
Q4 2015	INTERVAL LEISURE GROUP CUSIP 46113M908	—	Cmn · Call	1,900	15,300	+13,400	$35	$239	+$204	2016-02-12
Q4 2015	ENBRIDGE INC CUSIP 29250N905	—	Cmn · Call	10,000	17,300	+7,300	$371	$574	+$203	2016-02-12
Q4 2015	MENS WEARHOUSE INC CMN STK CUSIP 587118950	—	Cmn · Put	31,300	76,800	+45,500	$1,331	$1,128	-$203	2016-02-12
Q4 2015	PROSHARES ULTRAPRO SHORT DOW CUSIP 74347X902	—	Cmn · Call	58,900	64,600	+5,700	$1,348	$1,145	-$203	2016-02-12
Q4 2015	CVR REFINING LP CUSIP 12663P957	—	Cmn · Put	39,100	50,200	+11,100	$748	$950	+$202	2016-02-12
Q4 2015	GRAY TELEVISION INC - CL B CMN STOCK CUSIP 389375906	—	Cmn · Call	17,700	26,200	+8,500	$226	$427	+$201	2016-02-12
Q4 2015	SPDR S&P INSURANCE ETF CUSIP 78464A909	—	Cmn · Call	3,300	6,100	+2,800	$223	$424	+$201	2016-02-12
Q4 2015	PHH CORPORATION COMMON STOCK CUSIP 693320952	—	Cmn · Put	23,700	33,100	+9,400	$335	$536	+$201	2016-02-12
Q4 2015	QUALYS INC CUSIP 74758T953	—	Cmn · Put	3,700	9,200	+5,500	$105	$304	+$199	2016-02-12

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