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

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 WESTPORT INNOVATIONS INC; Country of operation —; Class Cmn · Put; Shares before 30,000.
Q4 2015: Stock APOLLO COMMERCIAL REAL ESTATE; Country of operation —; Class Cmn · Put; Shares before 2,300.
Q4 2015: Stock CLEARWATER PAPER CORP; Country of operation —; Class Cmn · Put; Shares before 4,400.
Q4 2015: Stock CVR REFINING LP; Country of operation —; Class Cmn · Call; Shares before 21,500.

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	WESTPORT INNOVATIONS INC CUSIP 960908959	Cmn · Put	30,000	32,000	+2,000	$75	$64	-$11	2016-02-12
Q4 2015	APOLLO COMMERCIAL REAL ESTATE CUSIP 03762U955	Cmn · Put	2,300	2,700	+400	$36	$47	+$11	2016-02-12
Q4 2015	CLEARWATER PAPER CORP CUSIP 18538R953	Cmn · Put	4,400	4,800	+400	$208	$219	+$11	2016-02-12
Q4 2015	CVR REFINING LP CUSIP 12663P907	Cmn · Call	21,500	22,300	+800	$411	$422	+$11	2016-02-12
Q4 2015	HARSCO CORP CUSIP 415864957	Cmn · Put	1,600	3,300	+1,700	$15	$26	+$11	2016-02-12
Q4 2015	AGENUS INC CUSIP 00847G905	Cmn · Call	2,400	4,800	+2,400	$11	$22	+$11	2016-02-12
Q4 2015	MODEL N INC CUSIP 607525952	Cmn · Put	2,800	3,500	+700	$28	$39	+$11	2016-02-12
Q4 2015	NORTHSTAR ASSET MANAGEMENT C CUSIP 66705Y954	Cmn · Put	30,900	35,700	+4,800	$444	$433	-$11	2016-02-12
Q4 2015	RIGEL PHARMACEUTICALS INC CUSIP 766559953	Cmn · Put	8,600	10,600	+2,000	$21	$32	+$11	2016-02-12
Q4 2015	A10 NETWORKS INC CUSIP 002121951	Cmn · Put	2,500	3,800	+1,300	$15	$25	+$10	2016-02-12
Q4 2015	MANULIFE FINANCIAL CORPORATION CUSIP 56501R906	Cmn · Call	22,200	23,600	+1,400	$344	$354	+$10	2016-02-12
Q4 2015	IDENTIV INC CUSIP 45170X905	Cmn · Call	8,900	10,400	+1,500	$31	$21	-$10	2016-02-12
Q4 2015	KRONOS WORLDWIDE INC COMMON STOCK CUSIP 50105F905	Cmn · Call	1,000	2,800	+1,800	$6	$16	+$10	2016-02-12
Q4 2015	STARWOOD WAYPOINT RESIDENTIAL TRUST CUSIP 85571W959	Cmn · Put	1,000	1,500	+500	$24	$34	+$10	2016-02-12
Q4 2015	TFS FINANCIAL COR CUSIP 87240R957	Cmn · Put	5,500	5,600	+100	$95	$105	+$10	2016-02-12
Q4 2015	SANDSTORM GOLD LTD CUSIP 80013R906	Cmn · Call	3,300	7,300	+4,000	$9	$19	+$10	2016-02-12
Q4 2015	WOLVERINE WORLD WIDE CMN STK CUSIP 978097903	Cmn · Call	600	1,400	+800	$13	$23	+$10	2016-02-12
Q4 2015	XOMA CORP CUSIP 98419J957	Cmn · Put	9,900	12,800	+2,900	$7	$17	+$10	2016-02-12
Q4 2015	CARPENTER TECHNOLOGY CMN STK CUSIP 144285903	Cmn · Call	7,700	7,900	+200	$229	$239	+$10	2016-02-12
Q4 2015	COEUR MINING INC CUSIP 192108954	Cmn · Put	48,100	59,000	+10,900	$136	$146	+$10	2016-02-12
Q4 2015	ENCORE CAPITAL GROUP INC CUSIP 292554952	Cmn · Put	4,600	6,200	+1,600	$170	$180	+$10	2016-02-12
Q4 2015	ENOVA INTERNATIONAL INC CUSIP 29357K903	Cmn · Call	500	2,300	+1,800	$5	$15	+$10	2016-02-12
Q4 2015	MOBILE IRON INC CUSIP 60739U954	Cmn · Put	3,700	5,700	+2,000	$11	$21	+$10	2016-02-12
Q4 2015	ASHFORD HOSPITALITY TRUST COMMON STOCK CUSIP 044103959	Cmn · Put	8,800	10,200	+1,400	$54	$64	+$10	2016-02-12
Q4 2015	AXCELIS INC CMN STK CUSIP 054540959	Cmn · Put	2,600	6,700	+4,100	$7	$17	+$10	2016-02-12
Q4 2015	ISHARES GOLD TRUST CUSIP 464285955	Cmn · Put	20,800	20,900	+100	$224	$214	-$10	2016-02-12
Q4 2015	VOCERA COMMUNICATIONS INC CUSIP 92857F907	Cmn · Call	2,700	3,400	+700	$31	$41	+$10	2016-02-12
Q4 2015	TRAVELZOO INC COMMON STOCK CUSIP 89421Q955	Cmn · Put	3,500	4,600	+1,100	$29	$39	+$10	2016-02-12
Q4 2015	SOLAZYME INC. CUSIP 83415T951	Cmn · Put	28,400	33,700	+5,300	$74	$84	+$10	2016-02-12
Q4 2015	SEADRILL PARTNERS LLC CUSIP Y7545W959	Cmn · Put	2,400	9,000	+6,600	$23	$33	+$10	2016-02-12
Q4 2015	DIREXION DLY EMG MKT BULL 3X CUSIP 25459Y906	Cmn · Call	84,200	86,000	+1,800	$1,541	$1,550	+$9	2016-02-12
Q4 2015	GEOSPACE TECHNOLOGIES CORP CUSIP 37364X909	Cmn · Call	4,600	5,200	+600	$64	$73	+$9	2016-02-12
Q4 2015	REDWOOD TR INC CMN STOCK CUSIP 758075952	Cmn · Put	4,600	5,500	+900	$64	$73	+$9	2016-02-12
Q4 2015	METHODE ELECTRONICS -CL A CUSIP 591520950	Cmn · Put	12,800	13,100	+300	$408	$417	+$9	2016-02-12
Q4 2015	PENGROWTH ENERGY TRUST -A COMMON STOCK CUSIP 70706P954	Cmn · Put	31,100	49,200	+18,100	$27	$36	+$9	2016-02-12
Q4 2015	UMPQUA HOLDINGS CORP CMN STOCK CUSIP 904214903	Cmn · Call	1,500	2,100	+600	$24	$33	+$9	2016-02-12
Q4 2015	VEREIT INC CUSIP 92339V900	Cmn · Call	38,100	38,200	+100	$294	$303	+$9	2016-02-12
Q4 2015	ENERGY XXI BERMUDA CUSIP G10082950	Cmn · Put	395,800	420,500	+24,700	$416	$425	+$9	2016-02-12
Q4 2015	BRIDGEPOINT EDUCATION INC CUSIP 10807M955	Cmn · Put	2,500	3,700	+1,200	$19	$28	+$9	2016-02-12
Q4 2015	ENLINK MIDSTREAM PARTNERS LP CUSIP 29336U907	Cmn · Call	8,700	8,800	+100	$137	$146	+$9	2016-02-12
Q4 2015	NGL ENERGY PARTNERS LP CUSIP 62913M957	Cmn · Put	11,700	20,400	+8,700	$234	$225	-$9	2016-02-12
Q4 2015	MATSON INC CUSIP 57686G955	Cmn · Put	1,000	1,100	+100	$38	$47	+$9	2016-02-12
Q4 2015	WPX ENERGY INC CUSIP 98212B953	Cmn · Put	57,200	64,500	+7,300	$379	$370	-$9	2016-02-12
Q4 2015	CECO ENVIRONMENTAL CORP CMN STK CUSIP 125141951	Cmn · Put	3,100	4,300	+1,200	$25	$33	+$8	2016-02-12
Q4 2015	MENTOR GRAPHICS CORP CMN STK CUSIP 587200906	Cmn · Call	10,100	13,100	+3,000	$249	$241	-$8	2016-02-12
Q4 2015	OCLARO INC COMMON STOCK CUSIP 67555N956	Cmn · Put	3,300	4,700	+1,400	$8	$16	+$8	2016-02-12
Q4 2015	PDF SOLUTIONS INC CUSIP 693282905	Cmn · Call	100	800	+700	$1	$9	+$8	2016-02-12
Q4 2015	PERFICIENT INC CUSIP 71375U901	Cmn · Call	2,800	3,000	+200	$43	$51	+$8	2016-02-12
Q4 2015	ULTRASHORT QQQ PROSHARES ETF CUSIP 74348A956	Cmn · Put	100,100	124,500	+24,400	$3,707	$3,699	-$8	2016-02-12
Q4 2015	THOMPSON CREEK METALS CO INC CMN STK CUSIP 884768952	Cmn · Put	43,100	56,100	+13,000	$19	$11	-$8	2016-02-12
Q4 2015	CHART INDUSTRIES COMMON STOCK CUSIP 16115Q908	Cmn · Call	39,200	41,500	+2,300	$753	$745	-$8	2016-02-12
Q4 2015	ARCOS DORADOS HOLDINGS INC-A CUSIP G0457F957	Cmn · Put	8,700	10,200	+1,500	$24	$32	+$8	2016-02-12
Q4 2015	MICROVISION INC CMN STOCK CUSIP 594960954	Cmn · Put	4,000	7,500	+3,500	$13	$21	+$8	2016-02-12
Q4 2015	WP GLIMCHER INC CUSIP 92939N902	Cmn · Call	9,600	9,800	+200	$112	$104	-$8	2016-02-12
Q4 2015	GULFMARK OFFSHORE CMN STOCK CUSIP 402629908	Cmn · Call	5,300	8,400	+3,100	$32	$39	+$7	2016-02-12
Q4 2015	ISTAR INC CUSIP 45031U901	Cmn · Call	50,600	54,900	+4,300	$637	$644	+$7	2016-02-12
Q4 2015	OCH-ZIFF CAPITAL MANAGEMEN-A CUSIP 67551U905	Cmn · Call	1,600	3,300	+1,700	$14	$21	+$7	2016-02-12
Q4 2015	NEVSUN RESOURCES LTD COMMON STOCK CUSIP 64156L951	Cmn · Put	6,000	8,900	+2,900	$17	$24	+$7	2016-02-12
Q4 2015	SUPERIOR INDUSTRIES INT'L COMMON STOCK CUSIP 868168905	Cmn · Call	2,700	3,100	+400	$50	$57	+$7	2016-02-12
Q4 2015	UNI-PIXEL INC CUSIP 904572903	Cmn · Call	37,100	62,400	+25,300	$39	$32	-$7	2016-02-12
Q4 2015	SYNERGY RESOURCES CORP CUSIP 87164P953	Cmn · Put	13,400	14,500	+1,100	$131	$124	-$7	2016-02-12
Q4 2015	ZELTIQ AESTHETICS INC CUSIP 98933Q908	Cmn · Call	8,500	9,300	+800	$272	$265	-$7	2016-02-12
Q4 2015	HARSCO CORP CUSIP 415864907	Cmn · Call	800	1,800	+1,000	$7	$14	+$7	2016-02-12
Q4 2015	GUESS INC CMN STK CUSIP 401617955	Cmn · Put	22,300	25,600	+3,300	$476	$483	+$7	2016-02-12
Q4 2015	AVG TECHNOLOGIES CUSIP N07831905	Cmn · Call	15,900	17,600	+1,700	$346	$353	+$7	2016-02-12
Q4 2015	RICHMONT MINES INC CMN STOCK CUSIP 76547T956	Cmn · Put	3,400	5,100	+1,700	$9	$16	+$7	2016-02-12
Q4 2015	VIRNETX HOLDING CORP CMN STOCK CUSIP 92823T958	Cmn · Put	1,700	4,900	+3,200	$6	$13	+$7	2016-02-12
Q4 2015	BANKUNITED INC CUSIP 06652K953	Cmn · Put	500	700	+200	$18	$25	+$7	2016-02-12
Q4 2015	NCI BUILDING SYSTEMS INC CMN STK CUSIP 628852904	Cmn · Call	1,800	2,100	+300	$19	$26	+$7	2016-02-12
Q4 2015	SILVER BAY REALTY TRUST CORP CUSIP 82735Q952	Cmn · Put	5,300	5,900	+600	$85	$92	+$7	2016-02-12
Q4 2015	EMCORE CORP CMN STOCK CUSIP 290846903	Cmn · Call	500	1,400	+900	$3	$9	+$6	2016-02-12
Q4 2015	OTONOMY INC CUSIP 68906L905	Cmn · Call	100	300	+200	$2	$8	+$6	2016-02-12
Q4 2015	PAPA MURPHY'S HOLDINGS INC CUSIP 698814950	Cmn · Put	100	600	+500	$1	$7	+$6	2016-02-12
Q4 2015	PENN VIRGINIA CORP CMN STK CUSIP 707882956	Cmn · Put	64,300	93,100	+28,800	$34	$28	-$6	2016-02-12
Q4 2015	CHART INDUSTRIES COMMON STOCK CUSIP 16115Q958	Cmn · Put	15,300	16,700	+1,400	$294	$300	+$6	2016-02-12
Q4 2015	CASTLIGHT HEALTH INC CUSIP 14862Q950	Cmn · Put	6,300	7,600	+1,300	$26	$32	+$6	2016-02-12
Q4 2015	MIDCOAST ENERGY PARTNERS LP CUSIP 59564N953	Cmn · Put	5,900	6,500	+600	$57	$63	+$6	2016-02-12
Q4 2015	PHOTRONICS INC CMN STK CUSIP 719405952	Cmn · Put	1,000	1,200	+200	$9	$15	+$6	2016-02-12
Q4 2015	QUAD GRAPHICS INC CUSIP 747301909	Cmn · Call	1,400	2,500	+1,100	$17	$23	+$6	2016-02-12
Q4 2015	INTERVAL LEISURE GROUP CUSIP 46113M958	Cmn · Put	3,800	4,900	+1,100	$70	$76	+$6	2016-02-12
Q4 2015	NAVIOS MARITIME HOLDINGS INC CUSIP Y62196903	Cmn · Call	8,900	15,800	+6,900	$22	$28	+$6	2016-02-12
Q4 2015	PIXELWORKS INC CMN STK CUSIP 72581M905	Cmn · Call	28,700	46,100	+17,400	$104	$110	+$6	2016-02-12
Q4 2015	GILDAN ACTIVEWEAR INC -CL A CMN STOCK CUSIP 375916903	Cmn · Call	2,200	2,500	+300	$66	$71	+$5	2016-02-12
Q4 2015	RESOLUTE FOREST PRODUCTS CUSIP 76117W909	Cmn · Call	600	1,300	+700	$5	$10	+$5	2016-02-12
Q4 2015	SECOND SIGHT MEDICAL PRODUCTS IN CUSIP 81362J900	Cmn · Call	28,700	29,700	+1,000	$170	$175	+$5	2016-02-12
Q4 2015	SCORPIO TANKERS INC CUSIP Y7542C906	Cmn · Call	5,800	7,200	+1,400	$53	$58	+$5	2016-02-12
Q4 2015	CHEMTURA CORP (POST BANKRUPTCY) CUSIP 163893909	Cmn · Call	8,600	9,200	+600	$246	$251	+$5	2016-02-12
Q4 2015	CATALYST PHARMACEUTICALS INC CUSIP 14888U951	Cmn · Put	2,700	5,300	+2,600	$8	$13	+$5	2016-02-12
Q4 2015	BOOT BARN HOLDINGS INC CUSIP 099406900	Cmn · Call	400	1,000	+600	$7	$12	+$5	2016-02-12
Q4 2015	CYS INVESTMENTS INC CUSIP 12673A958	Cmn · Put	5,800	6,600	+800	$42	$47	+$5	2016-02-12
Q4 2015	DAKTRONICS INC CMN STK CUSIP 234264909	Cmn · Call	3,100	3,700	+600	$27	$32	+$5	2016-02-12
Q4 2015	ENERGY TRANSFER EQUITY LP CUSIP 29273V950	Cmn · Put	182,500	276,800	+94,300	$3,798	$3,803	+$5	2016-02-12
Q4 2015	EVERYDAY HEALTH INC CUSIP 300415956	Cmn · Put	2,000	2,200	+200	$18	$13	-$5	2016-02-12
Q4 2015	VIOLIN MEMORY INC CUSIP 92763A951	Cmn · Put	1,500	8,000	+6,500	$2	$7	+$5	2016-02-12
Q4 2015	BLACKSTONE MORTGAGE TRUST INC CUSIP 09257W900	Cmn · Call	13,800	14,300	+500	$379	$383	+$4	2016-02-12
Q4 2015	FORTRESS INVESTMENT GROUP LLC CL-A CUSIP 34958B956	Cmn · Put	31,300	34,900	+3,600	$174	$178	+$4	2016-02-12
Q4 2015	GRAN TIERRA ENERGY INC COMMON STOCK CUSIP 38500T901	Cmn · Call	1,300	3,000	+1,700	$3	$7	+$4	2016-02-12
Q4 2015	NUVERRA ENVIRONMENTAL SOLUTION CUSIP 67091K953	Cmn · Put	5,100	5,300	+200	$7	$3	-$4	2016-02-12
Q4 2015	PRIMERO MINING CORP CUSIP 74164W906	Cmn · Call	6,000	8,100	+2,100	$14	$18	+$4	2016-02-12
Q4 2015	IDERA PHARMACEUTICALS INC CMN STOCK CUSIP 45168K956	Cmn · Put	11,500	14,000	+2,500	$39	$43	+$4	2016-02-12

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