Citadel Advisors LLC Historic Quarter Change: USA Options, Added, 2015 Q4, Page 15

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 SOLAZYME INC.; Country of operation —; Class Cmn · Call; Shares before 92,200.
Q4 2015: Stock COGENT COMMUNICATIONS HOLDINGS; Country of operation —; Class Cmn · Call; Shares before 4,500.
Q4 2015: Stock BRIGHTCOVE; Country of operation —; Class Cmn · Call; Shares before 1,000.
Q4 2015: Stock UNITED STATES 12 MONTH OIL; Country of operation —; Class Cmn · Put; Shares before 3,800.

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	SOLAZYME INC. CUSIP 83415T901	—	Cmn · Call	92,200	116,600	+24,400	$240	$289	+$49	2016-02-12
Q4 2015	COGENT COMMUNICATIONS HOLDINGS CUSIP 19239V902	—	Cmn · Call	4,500	4,900	+400	$122	$170	+$48	2016-02-12
Q4 2015	BRIGHTCOVE CUSIP 10921T901	—	Cmn · Call	1,000	8,500	+7,500	$5	$53	+$48	2016-02-12
Q4 2015	UNITED STATES 12 MONTH OIL CUSIP 91288V953	—	Cmn · Put	3,800	7,400	+3,600	$78	$126	+$48	2016-02-12
Q4 2015	MEREDITH CORP CUSIP 589433951	—	Cmn · Put	4,800	5,800	+1,000	$204	$251	+$47	2016-02-12
Q4 2015	PHYSICIANS REALTY TRUST CUSIP 71943U904	—	Cmn · Call	2,600	5,100	+2,500	$39	$86	+$47	2016-02-12
Q4 2015	ISHARES MICRO-CAP ETF CUSIP 464288959	—	Cmn · Put	49,700	70,300	+20,600	$631	$678	+$47	2016-02-12
Q4 2015	MANPOWERGROUP CUSIP 56418H950	—	Cmn · Put	8,500	8,800	+300	$696	$742	+$46	2016-02-12
Q4 2015	CLUBCORP HOLDINGS INC CUSIP 18948M958	—	Cmn · Put	3,100	6,200	+3,100	$67	$113	+$46	2016-02-12
Q4 2015	INGRAM MICRO INC - CL A CUSIP 457153954	—	Cmn · Put	2,300	3,600	+1,300	$63	$109	+$46	2016-02-12
Q4 2015	NGL ENERGY PARTNERS LP CUSIP 62913M907	—	Cmn · Call	9,300	12,700	+3,400	$186	$140	-$46	2016-02-12
Q4 2015	MAIDEN HOLDINGS LTD CUSIP G5753U902	—	Cmn · Call	3,300	6,100	+2,800	$46	$91	+$45	2016-02-12
Q4 2015	OFFICE DEPOT CMN STOCK CUSIP 676220906	—	Cmn · Call	180,100	212,900	+32,800	$1,156	$1,201	+$45	2016-02-12
Q4 2015	DAVITA HEALTHCARE PARTNERS INC CUSIP 23918K908	—	Cmn · Call	30,500	32,300	+1,800	$2,206	$2,251	+$45	2016-02-12
Q4 2015	POTLATCH CORP CUSIP 737630903	—	Cmn · Call	100	1,600	+1,500	$3	$48	+$45	2016-02-12
Q4 2015	BUILD-A-BEAR WORKSHOP INC. COMMON STOCK CUSIP 120076954	—	Cmn · Put	1,600	6,100	+4,500	$30	$75	+$45	2016-02-12
Q4 2015	REXNORD CORP CUSIP 76169B902	—	Cmn · Call	5,000	7,200	+2,200	$85	$130	+$45	2016-02-12
Q4 2015	RSP PERMIAN INC CUSIP 74978Q905	—	Cmn · Call	6,700	7,400	+700	$136	$180	+$44	2016-02-12
Q4 2015	MATRIX SERVICE CO CUSIP 576853905	—	Cmn · Call	3,700	6,200	+2,500	$83	$127	+$44	2016-02-12
Q4 2015	IMPAX LABORATORIES INC CMN STOCK CUSIP 45256B951	—	Cmn · Put	2,400	3,000	+600	$85	$128	+$43	2016-02-12
Q4 2015	MARKIT LTD CUSIP G58249956	—	Cmn · Put	2,700	4,000	+1,300	$78	$121	+$43	2016-02-12
Q4 2015	8POINT3 ENERGY PARTNERS LP CUSIP 282539955	—	Cmn · Put	300	2,800	+2,500	$3	$45	+$42	2016-02-12
Q4 2015	CARDTRONICS INC CUSIP 14161H958	—	Cmn · Put	1,200	2,400	+1,200	$39	$81	+$42	2016-02-12
Q4 2015	GLOBALSTAR INC COMMON STOCK CUSIP 378973958	—	Cmn · Put	54,000	88,200	+34,200	$85	$127	+$42	2016-02-12
Q4 2015	NEW GOLD INC COMMON STOCK CUSIP 644535956	—	Cmn · Put	137,100	152,000	+14,900	$311	$353	+$42	2016-02-12
Q4 2015	PACIFIC ETHANOL INC. CMN STOCK CUSIP 69423U955	—	Cmn · Put	18,000	33,200	+15,200	$117	$159	+$42	2016-02-12
Q4 2015	TIMKEN CO CUSIP 887389904	—	Cmn · Call	15,200	16,100	+900	$418	$460	+$42	2016-02-12
Q4 2015	SIRIUS XM HOLDINGS INC. CUSIP 82968B953	—	Cmn · Put	45,800	52,300	+6,500	$171	$213	+$42	2016-02-12
Q4 2015	SKULLCANDY INC CUSIP 83083J954	—	Cmn · Put	1,900	11,200	+9,300	$11	$53	+$42	2016-02-12
Q4 2015	APOLLO COMMERCIAL REAL ESTATE CUSIP 03762U905	—	Cmn · Call	800	3,200	+2,400	$13	$55	+$42	2016-02-12
Q4 2015	BLUE BUFFALO PET PRODUCTS IN CUSIP 09531U952	—	Cmn · Put	2,900	5,000	+2,100	$52	$94	+$42	2016-02-12
Q4 2015	BOULDER BRANDS INC CUSIP 101405958	—	Cmn · Put	11,800	12,700	+900	$97	$139	+$42	2016-02-12
Q4 2015	ENDOCYTE INC CUSIP 29269A952	—	Cmn · Put	15,600	28,300	+12,700	$71	$113	+$42	2016-02-12
Q4 2015	EXCO RESOURCES INC CMN STK CUSIP 269279952	—	Cmn · Put	72,100	77,500	+5,400	$54	$96	+$42	2016-02-12
Q4 2015	LKQ CORP CMN STOCK CUSIP 501889958	—	Cmn · Put	2,800	4,100	+1,300	$79	$121	+$42	2016-02-12
Q4 2015	DIANA SHIPPING INC COMMON STOCK CUSIP Y2066G954	—	Cmn · Put	71,600	96,900	+25,300	$464	$422	-$42	2016-02-12
Q4 2015	GENESIS ENERGY LP CUSIP 371927904	—	Cmn · Call	17,300	19,200	+1,900	$663	$705	+$42	2016-02-12
Q4 2015	HOLLYSYS AUTOMATION TECHNOLOGIES CUSIP G45667955	—	Cmn · Put	7,700	8,000	+300	$135	$177	+$42	2016-02-12
Q4 2015	DYNEGY INC/NEW CUSIP 26817R908	—	Cmn · Call	13,600	24,000	+10,400	$281	$322	+$41	2016-02-12
Q4 2015	KENNAMETAL INC CMN STK CUSIP 489170900	—	Cmn · Call	11,700	17,300	+5,600	$291	$332	+$41	2016-02-12
Q4 2015	HANGER INC CUSIP 41043F958	—	Cmn · Put	600	3,000	+2,400	$8	$49	+$41	2016-02-12
Q4 2015	INTERCEPT PHARMACEUTICALS INC CUSIP 45845P908	—	Cmn · Call	26,900	29,600	+2,700	$4,462	$4,421	-$41	2016-02-12
Q4 2015	PROSHARES ULTRA BLOOMBERG NATU CUSIP 74347W906	—	Cmn · Call	21,700	35,600	+13,900	$699	$658	-$41	2016-02-12
Q4 2015	CEPHEID INC CUSIP 15670R907	—	Cmn · Call	8,900	9,900	+1,000	$402	$362	-$40	2016-02-12
Q4 2015	MANPOWERGROUP CUSIP 56418H900	—	Cmn · Call	13,500	13,600	+100	$1,106	$1,146	+$40	2016-02-12
Q4 2015	SHAKE SHACK INC - CLASS A CUSIP 819047901	—	Cmn · Call	55,300	67,200	+11,900	$2,621	$2,661	+$40	2016-02-12
Q4 2015	AVISTA CORP CMN STK CUSIP 05379B907	—	Cmn · Call	300	1,400	+1,100	$10	$50	+$40	2016-02-12
Q4 2015	NANTKWEST INC CUSIP 63016Q902	—	Cmn · Call	1,500	3,300	+1,800	$17	$57	+$40	2016-02-12
Q4 2015	POWERSECURE INTERNATIONAL INC CUSIP 73936N905	—	Cmn · Call	4,800	6,300	+1,500	$55	$95	+$40	2016-02-12
Q4 2015	2U INC CUSIP 90214J951	—	Cmn · Put	12,100	16,900	+4,800	$434	$473	+$39	2016-02-12
Q4 2015	PROSHARES ULTRAPRO SHORT DOW CUSIP 74347X952	—	Cmn · Put	3,200	6,300	+3,100	$73	$112	+$39	2016-02-12
Q4 2015	PENN VIRGINIA CORP CMN STK CUSIP 707882906	—	Cmn · Call	167,000	167,200	+200	$89	$50	-$39	2016-02-12
Q4 2015	WALKER & DUNLOP INC CUSIP 93148P952	—	Cmn · Put	2,900	4,000	+1,100	$76	$115	+$39	2016-02-12
Q4 2015	SCIENCE APPLICATIONS INTERNATIONAL CORP CUSIP 808625907	—	Cmn · Call	3,000	3,500	+500	$121	$160	+$39	2016-02-12
Q4 2015	CARRIZO OIL & GAS INC CMN STOCK CUSIP 144577953	—	Cmn · Put	33,500	35,900	+2,400	$1,023	$1,062	+$39	2016-02-12
Q4 2015	ARCH CAPITAL GROUP LTD CMN STOCK CUSIP G0450A955	—	Cmn · Put	2,600	3,300	+700	$191	$230	+$39	2016-02-12
Q4 2015	BEAZER HOMES USA INC CMN STK CUSIP 07556Q901	—	Cmn · Call	27,800	35,700	+7,900	$371	$410	+$39	2016-02-12
Q4 2015	ALTISOURCE RESIDENTIAL CUSIP 02153W900	—	Cmn · Call	6,100	9,900	+3,800	$85	$123	+$38	2016-02-12
Q4 2015	HABIT RESTAURANTS INC/THE-A CUSIP 40449J953	—	Cmn · Put	13,000	13,700	+700	$278	$316	+$38	2016-02-12
Q4 2015	GOODRICH PETROLEUM CORP CUSIP 382410905	—	Cmn · Call	132,800	148,300	+15,500	$77	$39	-$38	2016-02-12
Q4 2015	KIMBALL ELECTRONICS INC CUSIP 49428J959	—	Cmn · Put	200	3,600	+3,400	$2	$40	+$38	2016-02-12
Q4 2015	REPLIGEN CORP CMN STK CUSIP 759916909	—	Cmn · Call	10,000	11,200	+1,200	$279	$317	+$38	2016-02-12
Q4 2015	RUDOLPH TECHNOLOGIES INC CMN STOCK CUSIP 781270953	—	Cmn · Put	2,100	4,500	+2,400	$26	$64	+$38	2016-02-12
Q4 2015	CVENT INC CUSIP 23247G959	—	Cmn · Put	200	1,300	+1,100	$7	$45	+$38	2016-02-12
Q4 2015	EVERTEC INC CUSIP 30040P903	—	Cmn · Call	400	2,700	+2,300	$7	$45	+$38	2016-02-12
Q4 2015	SYNTA PHARMACEUTICALS CORP CUSIP 87162T906	—	Cmn · Call	29,300	36,000	+6,700	$51	$13	-$38	2016-02-12
Q4 2015	CULLEN/FROST BANKERS INC CMN STK CUSIP 229899909	—	Cmn · Call	13,600	13,800	+200	$865	$828	-$37	2016-02-12
Q4 2015	FERRELLGAS PARTNERS L.P. CUSIP 315293950	—	Cmn · Put	15,000	15,600	+600	$296	$259	-$37	2016-02-12
Q4 2015	KINROSS GOLD CORP CUSIP 496902904	—	Cmn · Call	42,700	60,500	+17,800	$73	$110	+$37	2016-02-12
Q4 2015	MAIDEN HOLDINGS LTD CUSIP G5753U952	—	Cmn · Put	2,100	4,400	+2,300	$29	$66	+$37	2016-02-12
Q4 2015	RUCKUS WIRELESS INC CUSIP 781220958	—	Cmn · Put	11,600	16,300	+4,700	$138	$175	+$37	2016-02-12
Q4 2015	BOB EVANS FARMS CMN STK CUSIP 096761951	—	Cmn · Put	10,700	11,000	+300	$464	$427	-$37	2016-02-12
Q4 2015	TRIANGLE CAPITAL CORP CUSIP 895848959	—	Cmn · Put	1,100	2,800	+1,700	$18	$54	+$36	2016-02-12
Q4 2015	SILGAN HOLDINGS CMN STOCK CUSIP 827048909	—	Cmn · Call	2,200	2,800	+600	$114	$150	+$36	2016-02-12
Q4 2015	OCLARO INC COMMON STOCK CUSIP 67555N906	—	Cmn · Call	3,000	12,000	+9,000	$7	$42	+$35	2016-02-12
Q4 2015	IDT CORP - CL B CUSIP 448947907	—	Cmn · Call	2,900	6,500	+3,600	$41	$76	+$35	2016-02-12
Q4 2015	SIERRA WIRELESS INC COMMON STOCK CUSIP 826516906	—	Cmn · Call	60,600	79,200	+18,600	$1,282	$1,247	-$35	2016-02-12
Q4 2015	AEGERION PHARMACEUTICALS INC CUSIP 00767E902	—	Cmn · Call	20,900	24,700	+3,800	$284	$249	-$35	2016-02-12
Q4 2015	FIRST MAJESTIC RESOURCE CORP COMMON STOCK CUSIP 32076V953	—	Cmn · Put	90,900	99,800	+8,900	$291	$326	+$35	2016-02-12
Q4 2015	NIMBLE STORAGE INC CUSIP 65440R951	—	Cmn · Put	8,000	17,200	+9,200	$193	$158	-$35	2016-02-12
Q4 2015	ARRIS INTERNATIONAL PLC CUSIP 04270V906	—	Cmn · Call	3,700	4,300	+600	$96	$131	+$35	2016-02-12
Q4 2015	TRIMAS CORP CUSIP 896215959	—	Cmn · Put	100	2,000	+1,900	$2	$37	+$35	2016-02-12
Q4 2015	EP ENERGY CORP-CL A CUSIP 268785952	—	Cmn · Put	3,700	12,000	+8,300	$19	$53	+$34	2016-02-12
Q4 2015	TCF FINANCIAL CORP COMMON CUSIP 872275952	—	Cmn · Put	1,600	4,100	+2,500	$24	$58	+$34	2016-02-12
Q4 2015	WESTAMERICA BANCORPORATION CMN STK CUSIP 957090903	—	Cmn · Call	2,700	3,300	+600	$120	$154	+$34	2016-02-12
Q4 2015	UNISYS CMN STOCK CUSIP 909214906	—	Cmn · Call	16,500	20,800	+4,300	$196	$230	+$34	2016-02-12
Q4 2015	WESTERN REFINING LOGISTICS L CUSIP 95931Q955	—	Cmn · Put	8,500	8,600	+100	$177	$211	+$34	2016-02-12
Q4 2015	F5 NETWORKS INC CMN STOCK CUSIP 315616952	—	Cmn · Put	88,800	106,400	+17,600	$10,283	$10,317	+$34	2016-02-12
Q4 2015	CAMDEN PROPERTY TRUST COMMON STOCK CUSIP 133131902	—	Cmn · Call	3,600	3,900	+300	$266	$299	+$33	2016-02-12
Q4 2015	MEDIFAST INC CMN STOCK CUSIP 58470H901	—	Cmn · Call	4,100	4,700	+600	$110	$143	+$33	2016-02-12
Q4 2015	PARTY CITY HOLDCO INC CUSIP 702149955	—	Cmn · Put	3,100	6,400	+3,300	$50	$83	+$33	2016-02-12
Q4 2015	XOMA CORP CUSIP 98419J907	—	Cmn · Call	25,200	38,900	+13,700	$19	$52	+$33	2016-02-12
Q4 2015	AMSURG CORP CUSIP 03232P905	—	Cmn · Call	16,300	17,100	+800	$1,267	$1,300	+$33	2016-02-12
Q4 2015	BASIC ENERGY SERVICES INC COMMON STOCK CUSIP 06985P900	—	Cmn · Call	17,700	33,400	+15,700	$58	$90	+$32	2016-02-12
Q4 2015	ENVESTNET INC CUSIP 29404K906	—	Cmn · Call	3,400	4,500	+1,100	$102	$134	+$32	2016-02-12
Q4 2015	NEOPHOTONICS CORP CUSIP 64051T900	—	Cmn · Call	1,200	3,700	+2,500	$8	$40	+$32	2016-02-12
Q4 2015	MERITAGE HOMES CORPORATION CMN STK CUSIP 59001A902	—	Cmn · Call	16,800	19,000	+2,200	$614	$646	+$32	2016-02-12
Q4 2015	WEST CORP CUSIP 952355904	—	Cmn · Call	500	2,000	+1,500	$11	$43	+$32	2016-02-12
Q4 2015	HI-CRUSH PARTNERS LP CUSIP 428337909	—	Cmn · Call	44,300	50,600	+6,300	$332	$300	-$32	2016-02-12
Q4 2015	TELEPHONE & DATA CMN STK CUSIP 879433959	—	Cmn · Put	1,000	2,200	+1,200	$25	$57	+$32	2016-02-12

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