HAP Trading, LLC

Holdings History for BIOGEN INC. - COMMON STOCK (BIIB)

Symbol: BIIB on Nasdaq
Investment type: Equity / COMMON STOCK

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Option	Weight	Change	Value $	Shares	Price	All Holders
30 Jun 2025	call		0%	$1,587	15,100	$0.11 ^*	Q2 2025
31 Mar 2023	put		0%	$24,000	14,000	$1.71 ^*	Q1 2023
31 Dec 2022		1.3%	0%	$7,629,000	27,549	$276.92	Q4 2022
31 Dec 2022	call		0%	$184,000	33,700	$5.46 ^*	Q4 2022
31 Dec 2022	put		0%	$286,000	39,700	$7.20 ^*	Q4 2022
30 Sep 2022		0.93%	0%	$7,186,000	26,915	$266.99	Q3 2022
30 Sep 2022	call		0%	$449,000	33,700	$13.32 ^*	Q3 2022
30 Sep 2022	put		0%	$479,000	25,100	$19.08 ^*	Q3 2022
30 Jun 2022		0.44%	0%	$3,488,000	17,101	$203.96	Q2 2022
30 Jun 2022	call		0%	$168,000	59,700	$2.81 ^*	Q2 2022
30 Jun 2022	put		0%	$1,124,000	19,300	$58.24 ^*	Q2 2022
31 Mar 2022		0.33%	0%	$2,889,000	13,717	$210.61	Q1 2022
31 Mar 2022	call		0%	$218,000	57,100	$3.82 ^*	Q1 2022
31 Mar 2022	put		0%	$1,029,000	17,000	$60.53 ^*	Q1 2022
31 Dec 2021		0.33%	0%	$4,754,000	19,813	$239.94	Q4 2021
31 Dec 2021	call		0%	$134,000	20,000	$6.70 ^*	Q4 2021
31 Dec 2021	put		0%	$1,049,000	33,800	$31.04 ^*	Q4 2021
30 Sep 2021		1%	0%	$13,438,000	47,485	$282.99	Q3 2021
30 Sep 2021	call		0%	$233,000	41,100	$5.67 ^*	Q3 2021
30 Sep 2021	put		0%	$769,000	33,200	$23.16 ^*	Q3 2021
30 Jun 2021		0.82%	0%	$13,159,000	38,001	$346.28	Q2 2021
30 Jun 2021	call		0%	$942,000	66,800	$14.10 ^*	Q2 2021
30 Jun 2021	put		0%	$495,000	39,600	$12.50 ^*	Q2 2021
31 Mar 2021		0.7%	0%	$6,131,000	21,917	$279.74	Q1 2021
31 Mar 2021	call		0%	$689,000	79,000	$8.72 ^*	Q1 2021
31 Mar 2021	put		0%	$583,000	40,100	$14.54 ^*	Q1 2021
31 Dec 2020		0.46%	0%	$5,377,000	21,958	$244.88	Q4 2020
31 Dec 2020	call		0%	$267,000	27,000	$9.89 ^*	Q4 2020
31 Dec 2020	put		0%	$1,517,000	57,400	$26.43 ^*	Q4 2020
30 Sep 2020	call		0%	$196,000	20,700	$9.47 ^*	Q3 2020
30 Sep 2020	put		0%	$311,000	16,400	$18.96 ^*	Q3 2020
30 Jun 2020	call		0%	$101,000	32,400	$3.12 ^*	Q2 2020
30 Jun 2020	put		0%	$395,000	17,800	$22.19 ^*	Q2 2020
31 Mar 2020	call		0%	$288,000	17,600	$16.36 ^*	Q1 2020
31 Mar 2020	put		0%	$299,000	17,100	$17.49 ^*	Q1 2020
31 Dec 2019	call		0%	$869,000	40,600	$21.40 ^*	Q4 2019
31 Dec 2019	put		0%	$286,000	17,300	$16.53 ^*	Q4 2019
30 Sep 2019		1.1%	0%	$8,430,000	36,210	$232.81	Q3 2019
30 Sep 2019	call		0%	$202,000	26,000	$7.77 ^*	Q3 2019
30 Sep 2019	put		0%	$291,000	93,100	$3.13 ^*	Q3 2019
30 Jun 2019	put		0%	$187,000	13,000	$14.38 ^*	Q2 2019
31 Mar 2019	call		0%	$30,000	10,400	$2.88 ^*	Q1 2019
31 Mar 2019	put		0%	$252,000	9,900	$25.45 ^*	Q1 2019
30 Sep 2018	call		0%	$240,000	9,000	$26.67 ^*	Q3 2018
30 Sep 2018	put		0%	$52,000	12,600	$4.13 ^*	Q3 2018
31 Mar 2018	put		0%	$239,000	7,900	$30.25 ^*	Q1 2018
31 Dec 2017	put		0%	$165,000	17,500	$9.43 ^*	Q4 2017
30 Sep 2017	put		0%	$138,000	14,600	$9.45 ^*	Q3 2017
30 Jun 2017	put		0%	$296,000	52,600	$5.63 ^*	Q2 2017
31 Mar 2017		0.3%	0%	$3,761,000	13,755	$273.43	Q1 2017
31 Mar 2017	call		0%	$45,000	15,400	$2.92 ^*	Q1 2017
31 Mar 2017	put		0%	$540,000	51,700	$10.44 ^*	Q1 2017
31 Dec 2016	call		0%	$34,000	170,700	$0.20 ^*	Q4 2016
31 Dec 2016	put		0%	$219,000	13,600	$16.10 ^*	Q4 2016
30 Sep 2016		1.1%	0%	$21,453,000	68,532	$313.04	Q3 2016
30 Sep 2016	call		0%	$721,000	178,200	$4.05 ^*	Q3 2016
30 Sep 2016	put		0%	$333,000	139,600	$2.39 ^*	Q3 2016
30 Jun 2016	call		0%	$78,000	18,800	$4.15 ^*	Q2 2016
30 Jun 2016	put		0%	$222,000	21,900	$10.14 ^*	Q2 2016
31 Mar 2016		0.72%	0%	$6,232,000	23,940	$260.32	Q1 2016
31 Mar 2016	call		0%	$42,000	12,400	$3.39 ^*	Q1 2016
31 Mar 2016	put		0%	$2,793,000	34,700	$80.49 ^*	Q1 2016
31 Dec 2015		2.1%	0%	$30,168,000	98,475	$306.35	Q4 2015
31 Dec 2015	call		0%	$149,000	14,200	$10.49 ^*	Q4 2015
31 Dec 2015	put		0%	$5,003,000	128,400	$38.96 ^*	Q4 2015
30 Sep 2015	call		0%	$76,000	22,700	$3.35 ^*	Q3 2015
30 Sep 2015	put		0%	$7,461,000	129,400	$57.66 ^*	Q3 2015
30 Jun 2015	put		0%	$125,000	14,100	$8.87 ^*	Q2 2015
31 Mar 2015		0.43%	0%	$4,728,000	11,198	$422.22	Q1 2015
31 Mar 2015	put		0%	$19,000	11,400	$1.67 ^*	Q1 2015
31 Dec 2014		0.83%	0%	$16,938,000	49,898	$339.45	Q4 2014
31 Dec 2014	call		0%	$1,235,000	58,700	$21.04 ^*	Q4 2014
31 Dec 2014	put		0%	$84,000	26,400	$3.18 ^*	Q4 2014
30 Sep 2014		0.91%	0%	$15,669,000	47,366	$330.81	Q3 2014
30 Sep 2014	call		0%	$1,337,000	50,900	$26.27 ^*	Q3 2014
30 Sep 2014	put		0%	$127,000	20,600	$6.17 ^*	Q3 2014
30 Jun 2014	call		0%	$863,000	50,000	$17.26 ^*	Q2 2014
30 Jun 2014	put		0%	$150,000	14,000	$10.71 ^*	Q2 2014
31 Mar 2014		0.24%	0%	$3,932,000	12,855	$305.87	Q1 2014
31 Mar 2014	call		0%	$1,458,000	50,000	$29.16 ^*	Q1 2014
31 Mar 2014	put		0%	$265,000	12,000	$22.08 ^*	Q1 2014

* 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.