CITADEL ADVISORS LLC

Holdings History for WESTLAKE CORP - COM (WLK)

Symbol: WLK on NYSE
Investment type: Equity - Shares of Stock
Class: COM

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2024		0.08%	-0.01%	$78.8M	524K	-53,630	-9.28%	$150.29	Q3 2024
9/30/2024	call	0%	+0%	$9.29M	61.8K	+29,200	+89.6%	$150.29	Q3 2024
9/30/2024	put	0%	0%	$5.94M	39.5K	-3,500	-8.14%	$150.29	Q3 2024
6/30/2024		0.08%	+0%	$83.7M	578K	+15,813	+2.81%	$144.82	Q2 2024
6/30/2024	call	0%	0%	$4.72M	32.6K	-22,200	-40.5%	$144.82	Q2 2024
6/30/2024	put	0%	+0%	$6.23M	43K	+28,700	+201%	$144.82	Q2 2024
3/31/2024		0.08%	0%	$85.9M	562K	-18,308	-3.15%	$152.80	Q1 2024
3/31/2024	call	0%	+0%	$8.37M	54.8K	+35,700	+187%	$152.80	Q1 2024
3/31/2024	put	0%	+0%	$2.19M	14.3K	+700	+5.15%	$152.80	Q1 2024
12/31/2023		0.08%	-0.03%	$81.2M	580K	-190,176	-24.7%	$139.96	Q4 2023
12/31/2023	call	0%	0%	$2.67M	19.1K	-19,100	-50%	$139.96	Q4 2023
12/31/2023	put	0%	0%	$1.9M	13.6K	-1,700	-11.1%	$139.96	Q4 2023
9/30/2023		0.1%	-0.01%	$96.1M	771K	-62,695	-7.52%	$124.67	Q3 2023
9/30/2023	call	0%	0%	$4.76M	38.2K	-12,700	-25%	$124.67	Q3 2023
9/30/2023	put	0%	0%	$1.91M	15.3K	-14,600	-48.8%	$124.67	Q3 2023
6/30/2023		0.11%	-0.05%	$99.6M	833K	-393,027	-32%	$119.47	Q2 2023
6/30/2023	call	0%	+0%	$6.08M	50.9K	+23,900	+88.5%	$119.47	Q2 2023
6/30/2023	put	0%	+0%	$3.57M	29.9K	+11,700	+64.3%	$119.47	Q2 2023
3/31/2023		0.16%	+0.11%	$142M	1.23M	+871,295	+245%	$115.98	Q1 2023
3/31/2023	call	0%	0%	$3.13M	27K	-12,600	-31.8%	$115.98	Q1 2023
3/31/2023	put	0%	0%	$2.11M	18.2K	-26,500	-59.3%	$115.98	Q1 2023
12/31/2022		0.04%	+0.04%	$36.4M	355K	+324,496	+1061%	$102.54	Q4 2022
12/31/2022	call	0%	0%	$4.06M	39.6K	-80,200	-66.9%	$102.54	Q4 2022
12/31/2022	put	0%	+0%	$4.58M	44.7K	+14,600	+48.5%	$102.54	Q4 2022
9/30/2022		0%	-0.01%	$2.66M	30.6K	-106,054	-77.6%	$86.87	Q3 2022
9/30/2022	call	0%	+0%	$10.4M	120K	+68,200	+132%	$86.88	Q3 2022
9/30/2022	put	0%	0%	$2.62M	30.1K	-8,700	-22.4%	$86.88	Q3 2022
6/30/2022		0.02%	-0.01%	$13.4M	137K	-70,317	-34%	$98.02	Q2 2022
6/30/2022	call	0%	+0%	$5.06M	51.6K	+22,400	+76.7%	$98.02	Q2 2022
6/30/2022	put	0%	0%	$3.8M	38.8K	-44,700	-53.5%	$98.02	Q2 2022
3/31/2022		0.03%	+0%	$25.5M	207K	+12,065	+6.19%	$123.40	Q1 2022
3/31/2022	call	0%	+0%	$3.6M	29.2K	+8,900	+43.8%	$123.39	Q1 2022
3/31/2022	put	0%	+0%	$10.3M	83.5K	+62,000	+288%	$123.40	Q1 2022
12/31/2021		0.02%	-0.04%	$18.9M	195K	-413,202	-68%	$97.13	Q4 2021
12/31/2021	call	0%	0%	$1.97M	20.3K	-2,900	-12.5%	$97.14	Q4 2021
12/31/2021	put	0%	0%	$2.09M	21.5K	-15,900	-42.5%	$97.12	Q4 2021
9/30/2021		0.06%	+0.01%	$55.4M	608K	+133,585	+28.2%	$91.14	Q3 2021
9/30/2021	call	0%	+0%	$2.11M	23.2K	+500	+2.2%	$91.12	Q3 2021
9/30/2021	put	0%	+0%	$3.41M	37.4K	+6,200	+19.9%	$91.15	Q3 2021
6/30/2021		0.04%	-0.03%	$42.7M	475K	-367,872	-43.7%	$90.09	Q2 2021
6/30/2021	call	0%	0%	$2.05M	22.7K	-3,900	-14.7%	$90.09	Q2 2021
6/30/2021	put	0%	+0%	$2.81M	31.2K	+10,300	+49.3%	$90.10	Q2 2021
3/31/2021		0.08%	+0.01%	$74.8M	842K	+55,167	+7.01%	$88.79	Q1 2021
3/31/2021	call	0%	+0%	$2.36M	26.6K	+12,700	+91.4%	$88.80	Q1 2021
3/31/2021	put	0%	0%	$1.86M	20.9K	-2,300	-9.91%	$88.80	Q1 2021
12/31/2020		0.07%	+0.03%	$64.2M	787K	+312,694	+65.9%	$81.60	Q4 2020
12/31/2020	call	0%	0%	$1.13M	13.9K	-25,200	-64.5%	$81.58	Q4 2020
12/31/2020	put	0%	0%	$1.89M	23.2K	-6,600	-22.1%	$81.59	Q4 2020
9/30/2020		0.04%	+0.01%	$30M	475K	+143,280	+43.3%	$63.22	Q3 2020
9/30/2020	call	0%	+0%	$2.47M	39.1K	+7,000	+21.8%	$63.22	Q3 2020
9/30/2020	put	0%	0%	$1.88M	29.8K	-5,300	-15.1%	$63.22	Q3 2020
6/30/2020		0.02%	+0.01%	$17.8M	331K	+114,181	+52.6%	$53.65	Q2 2020
6/30/2020	call	0%	0%	$1.72M	32.1K	-8,300	-20.5%	$53.64	Q2 2020
6/30/2020	put	0%	0%	$1.88M	35.1K	-4,100	-10.5%	$53.65	Q2 2020
3/31/2020		0.01%	+0.01%	$8.29M	217K	+187,201	+627%	$38.17	Q1 2020
3/31/2020	call	0%	+0%	$1.54M	40.4K	+10,800	+36.5%	$38.17	Q1 2020
3/31/2020	put	0%	+0%	$1.5M	39.2K	+6,900	+21.4%	$38.16	Q1 2020
12/31/2019		0%	0%	$2.09M	29.9K	-12,737	-29.9%	$70.13	Q4 2019
12/31/2019	call	0%	0%	$2.08M	29.6K	-17,600	-37.3%	$70.14	Q4 2019
12/31/2019	put	0%	0%	$2.27M	32.3K	-17,100	-34.6%	$70.15	Q4 2019
9/30/2019		0%	0%	$2.79M	42.6K	-31,750	-42.7%	$65.53	Q3 2019
9/30/2019	call	0%	0%	$3.09M	47.2K	-6,400	-11.9%	$65.53	Q3 2019
9/30/2019	put	0%	+0%	$3.24M	49.4K	+5,000	+11.3%	$65.53	Q3 2019
6/30/2019		0.01%	-0.05%	$5.16M	74.3K	-573,458	-88.5%	$69.46	Q2 2019
6/30/2019	call	0%	+0%	$3.72M	53.6K	+20,900	+63.9%	$69.46	Q2 2019
6/30/2019	put	0%	+0%	$3.08M	44.4K	+9,900	+28.7%	$69.46	Q2 2019
3/31/2019		0.06%	+0.06%	$44M	648K	+630,171	+3574%	$67.86	Q1 2019
3/31/2019	call	0%	+0%	$2.22M	32.7K	+11,000	+50.7%	$67.86	Q1 2019
3/31/2019	put	0%	+0%	$2.34M	34.5K	+9,400	+37.5%	$67.86	Q1 2019
12/31/2018		0%	-0.01%	$1.17M	17.6K	-58,726	-76.9%	$66.19	Q4 2018
12/31/2018	call	0%	0%	$1.44M	21.7K	-21,900	-50.2%	$66.18	Q4 2018
12/31/2018	put	0%	0%	$1.66M	25.1K	-18,700	-42.7%	$66.18	Q4 2018
9/30/2018		0.01%	+0%	$6.35M	76.4K	+6,939	+10%	$83.11	Q3 2018
9/30/2018	call	0%	+0%	$3.62M	43.6K	+25,800	+145%	$83.12	Q3 2018
9/30/2018	put	0%	+0%	$3.64M	43.8K	+11,200	+34.4%	$83.11	Q3 2018
6/30/2018		0.01%	-0.04%	$7.47M	69.4K	-266,096	-79.3%	$107.62	Q2 2018
6/30/2018	call	0%	0%	$1.92M	17.8K	-10,500	-37.1%	$107.64	Q2 2018
6/30/2018	put	0%	+0%	$3.51M	32.6K	+8,800	+37%	$107.64	Q2 2018
3/31/2018		0.06%	+0.05%	$37.3M	336K	+275,780	+462%	$111.15	Q1 2018
3/31/2018	call	0%	+0%	$3.15M	28.3K	+1,800	+6.79%	$111.17	Q1 2018
3/31/2018	put	0%	+0%	$2.65M	23.8K	+2,900	+13.9%	$111.13	Q1 2018
12/31/2017		0.01%	-0.12%	$6.36M	59.7K	-835,154	-93.3%	$106.52	Q4 2017
12/31/2017	call	0%	0%	$2.82M	26.5K	-7,100	-21.1%	$106.53	Q4 2017
12/31/2017	put	0%	0%	$2.23M	20.9K	-2,300	-9.91%	$106.51	Q4 2017
9/30/2017		0.12%	-0.2%	$74.4M	895K	-1,501,258	-62.7%	$83.09	Q3 2017
9/30/2017	call	0%	+0%	$2.79M	33.6K	+19,700	+142%	$83.10	Q3 2017
9/30/2017	put	0%	0%	$1.93M	23.2K	-9,400	-28.8%	$83.10	Q3 2017
6/30/2017		0.28%	+0.01%	$159M	2.4M	+82,144	+3.55%	$66.21	Q2 2017
6/30/2017	call	0%		$920K	13.9K			$66.19	Q2 2017
6/30/2017	put	0%	+0%	$2.16M	32.6K	+6,800	+26.4%	$66.20	Q2 2017
3/31/2017		0.27%	+0.21%	$153M	2.31M	+1,801,177	+351%	$66.05	Q1 2017
3/31/2017	call	0%	+0%	$918K	13.9K	+5,500	+65.5%	$66.04	Q1 2017
3/31/2017	put	0%	+0%	$1.7M	25.8K	+17,900	+227%	$66.05	Q1 2017
12/31/2016		0.06%	-0.02%	$28.7M	513K	-188,927	-26.9%	$55.99	Q4 2016
12/31/2016	call	0%	0%	$470K	8.4K	-19,100	-69.5%	$55.95	Q4 2016
12/31/2016	put	0%	0%	$442K	7.9K	-5,000	-38.8%	$55.95	Q4 2016
9/30/2016		0.08%	-0.12%	$37.5M	702K	-1,027,766	-59.4%	$53.50	Q3 2016
9/30/2016	call	0%	+0%	$1.47M	27.5K	+27,500	NEW	$53.49	Q3 2016
9/30/2016	put	0%	+0%	$690K	12.9K	+12,900	NEW	$53.49	Q3 2016
6/30/2016		0.18%	+0.13%	$74.2M	1.73M	+1,222,228	+241%	$42.92	Q2 2016
3/31/2016		0.06%	-0.17%	$23.5M	507K	-1,450,764	-74.1%	$46.30	Q1 2016
12/31/2015		0.19%	-0.04%	$106M	1.96M	-422,804	-17.8%	$54.32	Q4 2015
9/30/2015		0.19%	-0.05%	$124M	2.38M	-611,546	-20.4%	$51.89	Q3 2015
6/30/2015		0.29%	+0.11%	$205M	2.99M	+1,163,921	+63.7%	$68.59	Q2 2015
3/31/2015		0.2%	+0.11%	$132M	1.83M	+950,768	+108%	$71.94	Q1 2015
12/31/2014		0.09%	+0.08%	$53.6M	878K	+745,300	+563%	$61.09	Q4 2014
9/30/2014		0.02%	+0.01%	$11.5M	132K	+45,148	+51.7%	$86.59	Q3 2014
6/30/2014		0.01%	-0.02%	$7.31M	87.3K	-129,098	-59.7%	$83.77	Q2 2014
3/31/2014		0.03%	-0.01%	$14.3M	216K	-107,538	-33.2%	$66.18	Q1 2014
12/31/2013		0.08%	-0.03%	$39.5M	324K	-111,312	-25.6%	$122.07	Q4 2013
9/30/2013		0.11%	+0.03%	$45.5M	435K	+117,920	+37.2%	$104.66	Q3 2013
6/30/2013		0.08%		$30.6M	317K			$96.41	Q2 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.