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CITADEL ADVISORS LLC

Holdings History for MEDICINES CO - COM (MDCO)

Symbol: MDCO
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
3/31/2020			-0.02%	$0	0	-195,601	-100%		Q1 2020
3/31/2020	call		-0.03%	$0	0	-603,600	-100%		Q1 2020
3/31/2020	put		-0.05%	$0	0	-878,300	-100%		Q1 2020
12/31/2019		0.02%	0%	$16.6M	196K	-26,483	-11.9%	$84.94	Q4 2019
12/31/2019	call	0.03%	+0%	$51.3M	604K	+10,600	+1.79%	$84.94	Q4 2019
12/31/2019	put	0.05%	0%	$74.6M	878K	-10,600	-1.19%	$84.94	Q4 2019
9/30/2019		0.01%	-0.02%	$11.1M	222K	-330,586	-59.8%	$50.00	Q3 2019
9/30/2019	call	0.02%	+0.01%	$29.7M	593K	+308,800	+109%	$50.00	Q3 2019
9/30/2019	put	0.03%	+0.02%	$44.4M	889K	+625,700	+238%	$50.00	Q3 2019
6/30/2019		0.02%	+0.01%	$20.2M	553K	+166,559	+43.1%	$36.47	Q2 2019
6/30/2019	call	0.01%	+0%	$10.4M	284K	+39,800	+16.3%	$36.47	Q2 2019
6/30/2019	put	0.01%	+0%	$9.6M	263K	+34,800	+15.2%	$36.47	Q2 2019
3/31/2019		0.01%	-0.01%	$10.8M	386K	-198,774	-34%	$27.95	Q1 2019
3/31/2019	call	0.01%	+0%	$6.83M	244K	+23,200	+10.5%	$27.95	Q1 2019
3/31/2019	put	0.01%	+0%	$6.38M	228K	+92,300	+67.8%	$27.95	Q1 2019
12/31/2018		0.02%	+0.01%	$11.2M	585K	+430,929	+280%	$19.14	Q4 2018
12/31/2018	call	0%	+0%	$4.23M	221K	+25,600	+13.1%	$19.14	Q4 2018
12/31/2018	put	0%	+0%	$2.61M	136K	+14,700	+12.1%	$19.14	Q4 2018
9/30/2018		0.01%	+0%	$4.61M	154K	+129,633	+533%	$29.91	Q3 2018
9/30/2018	call	0%	+0%	$5.85M	196K	+108,800	+125%	$29.91	Q3 2018
9/30/2018	put	0%	+0%	$3.63M	121K	+94,200	+346%	$29.91	Q3 2018
6/30/2018		0%	+0%	$893K	24.3K	+2,616	+12.1%	$36.71	Q2 2018
6/30/2018	call	0%	+0%	$3.19M	86.8K	+53,400	+160%	$36.71	Q2 2018
6/30/2018	put	0%	0%	$998K	27.2K	-28,100	-50.8%	$36.69	Q2 2018
3/31/2018		0%	-0.02%	$715K	21.7K	-338,024	-94%	$32.94	Q1 2018
3/31/2018	call	0%	0%	$1.1M	33.4K	-47,300	-58.6%	$32.93	Q1 2018
3/31/2018	put	0%	+0%	$1.82M	55.3K	+7,400	+15.4%	$32.95	Q1 2018
12/31/2017		0.01%	+0.01%	$9.84M	360K	+299,268	+495%	$27.34	Q4 2017
12/31/2017	call	0%	+0%	$2.21M	80.7K	+11,700	+17%	$27.34	Q4 2017
12/31/2017	put	0%	0%	$1.31M	47.9K	-8,500	-15.1%	$27.35	Q4 2017
9/30/2017		0%	-0.01%	$2.24M	60.5K	-108,124	-64.1%	$37.05	Q3 2017
9/30/2017	call	0%	+0%	$2.56M	69K	+21,400	+45%	$37.04	Q3 2017
9/30/2017	put	0%	0%	$2.09M	56.4K	-29,500	-34.3%	$37.04	Q3 2017
6/30/2017		0.01%	+0.01%	$6.41M	169K	+168,587	NEW	$38.01	Q2 2017
6/30/2017	call	0%	0%	$1.81M	47.6K	-23,400	-33%	$38.00	Q2 2017
6/30/2017	put	0.01%	0%	$3.27M	85.9K	-22,000	-20.4%	$38.01	Q2 2017
3/31/2017	call	0.01%	+0%	$3.47M	71K	+29,000	+69%	$48.90	Q1 2017
3/31/2017	put	0.01%	+0.01%	$5.28M	108K	+54,700	+103%	$48.90	Q1 2017
12/31/2016			-0.03%	$0	0	-326,646	-100%		Q4 2016
12/31/2016	call	0%	+0%	$1.43M	42K	+4,800	+12.9%	$33.93	Q4 2016
12/31/2016	put	0%	0%	$1.81M	53.2K	-3,800	-6.67%	$33.95	Q4 2016
9/30/2016		0.03%	+0.01%	$12.3M	327K	+121,747	+59.4%	$37.74	Q3 2016
9/30/2016	call	0%	+0%	$1.4M	37.2K	+37,200	NEW	$37.74	Q3 2016
9/30/2016	put	0%	+0%	$2.15M	57K	+57,000	NEW	$37.74	Q3 2016
6/30/2016		0.02%	-0.02%	$6.89M	205K	-272,867	-57.1%	$33.63	Q2 2016
3/31/2016		0.04%	+0.04%	$15.2M	478K	+463,049	+3146%	$31.77	Q1 2016
12/31/2015		0%	-0.05%	$550K	14.7K	-701,041	-97.9%	$37.37	Q4 2015
9/30/2015		0.04%	+0.04%	$27.2M	716K	+692,998	+3045%	$37.96	Q3 2015
6/30/2015		0%	-0.01%	$651K	22.8K	-206,962	-90.1%	$28.60	Q2 2015
3/31/2015		0.01%	-0.03%	$6.44M	230K	-589,910	-72%	$28.02	Q1 2015

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Showing 1 to 50 of 57 entries

* 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.