Sector Gamma As Biogen Inc. Transaction History

Sector Gamma As

$297 Million
Q1 2025

A detailed history of Sector Gamma As transactions in Biogen Inc. stock. As of the latest transaction made, Sector Gamma As holds 18,639 shares of BIIB stock, worth $2.41 Million. This represents 0.86% of its overall portfolio holdings.

Number of Shares

18,639

Previous 29,000 35.73%

Holding current value

$2.41 Million

Previous $4.43 Million 42.49%

% of portfolio

0.86%

Previous 1.61%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 13, 2025	SELL	$133.43 - $153.27 $1.38 Million - $1.59 Million	-10,361 Reduced 35.73%	18,639 $2.55 Million
Q4 2024 Feb 11, 2025	SELL	$146.47 - $191.55 $903,134 - $1.18 Million	-6,166 Reduced 17.53%	29,000 $4.43 Million
Q3 2024 Nov 13, 2024	SELL	$189.07 - $236.8 $1.67 Million - $2.09 Million	-8,819 Reduced 20.05%	35,166 $6.82 Million
Q2 2024 Aug 09, 2024	SELL	$190.52 - $236.72 $2.99 Million - $3.72 Million	-15,713 Reduced 26.32%	43,985 $10.2 Million
Q1 2024 May 08, 2024	SELL	$212.02 - $267.71 $9.02 Million - $11.4 Million	-42,536 Reduced 41.61%	59,698 $12.9 Million
Q4 2023 Feb 05, 2024	SELL	$222.59 - $267.94 $456,754 - $549,812	-2,052 Reduced 1.97%	102,234 $26.5 Million
Q3 2023 Nov 06, 2023	BUY	$253.3 - $285.89 $2.16 Million - $2.44 Million	8,529 Added 8.91%	104,286 $26.8 Million
Q2 2023 Aug 09, 2023	BUY	$275.25 - $318.06 $2.18 Million - $2.52 Million	7,921 Added 9.02%	95,757 $27.3 Million
Q1 2023 May 12, 2023	BUY	$256.56 - $292.34 $4.57 Million - $5.2 Million	17,797 Added 25.41%	87,836 $24.4 Million
Q4 2022 Feb 07, 2023	SELL	$252.44 - $306.72 $10.1 Million - $12.3 Million	-40,191 Reduced 36.46%	70,039 $19.4 Million
Q3 2022 Nov 09, 2022	BUY	$194.69 - $268.46 $3.45 Million - $4.76 Million	17,733 Added 19.17%	110,230 $29.4 Million
Q2 2022 Aug 05, 2022	BUY	$187.54 - $223.02 $1.98 Million - $2.35 Million	10,552 Added 12.88%	92,497 $18.9 Million
Q1 2022 May 06, 2022	BUY	$193.77 - $244.14 $2.97 Million - $3.75 Million	15,346 Added 23.04%	81,945 $17.3 Million
Q4 2021 Feb 08, 2022	SELL	$223.92 - $287.77 $3.74 Million - $4.81 Million	-16,720 Reduced 20.07%	66,599 $16 Million
Q3 2021 Oct 29, 2021	BUY	$282.99 - $369.05 $2.91 Million - $3.79 Million	10,276 Added 14.07%	83,319 $23.6 Million
Q2 2021 Aug 04, 2021	BUY	$259.0 - $414.71 $6.16 Million - $9.86 Million	23,783 Added 48.28%	73,043 $25.3 Million
Q1 2021 May 10, 2021	SELL	$242.95 - $284.63 $3.97 Million - $4.65 Million	-16,325 Reduced 24.89%	49,260 $13.8 Million
Q4 2020 Feb 10, 2021	SELL	$236.26 - $355.63 $415,345 - $625,197	-1,758 Reduced 2.61%	65,585 $16.1 Million
Q3 2020 Nov 09, 2020	BUY	$264.77 - $305.71 $826,876 - $954,732	3,123 Added 4.86%	67,343 $19.1 Million
Q2 2020 Aug 07, 2020	SELL	$258.66 - $342.55 $2.82 Million - $3.73 Million	-10,900 Reduced 14.51%	64,220 $17.2 Million
Q1 2020 May 11, 2020	SELL	$268.85 - $341.04 $7.29 Million - $9.24 Million	-27,099 Reduced 26.51%	75,120 $23.8 Million
Q4 2019 Feb 12, 2020	BUY	$220.06 - $304.07 $11 Million - $15.1 Million	49,793 Added 94.98%	102,219 $30.3 Million
Q3 2019 Nov 05, 2019	SELL	$217.44 - $243.88 $13.6 Million - $15.3 Million	-62,700 Reduced 54.46%	52,426 $12.2 Million
Q2 2019 Jul 31, 2019	SELL	$219.29 - $241.72 $7.69 Million - $8.48 Million	-35,074 Reduced 23.35%	115,126 $26.9 Million
Q1 2019 May 13, 2019	BUY	$216.71 - $338.96 $25.4 Million - $39.7 Million	117,100 Added 353.78%	150,200 $35.5 Million
Q4 2018 Feb 12, 2019	SELL	$278.5 - $352.75 $807,650 - $1.02 Million	-2,900 Reduced 8.06%	33,100 $9.96 Million
Q3 2018 Nov 15, 2018	BUY	$293.51 - $383.83 $4.7 Million - $6.15 Million	16,021 Added 80.19%	36,000 $12.7 Million
Q3 2018 Nov 08, 2018	BUY	$293.51 - $383.83 $5.86 Million - $7.67 Million	19,979 New	19,979 $7.06 Million
Q1 2018 May 09, 2018	SELL	$260.13 - $367.91 $17.1 Million - $24.2 Million	-65,800 Closed	0 $0
Q4 2017 Feb 12, 2018	SELL	$307.64 - $344.58 $5.6 Million - $6.27 Million	-18,200 Reduced 21.67%	65,800 $21 Million
Q3 2017 Nov 07, 2017	BUY	$281.15 - $329.69 $7.37 Million - $8.64 Million	26,200 Added 45.33%	84,000 $26.3 Million
Q2 2017 Aug 14, 2017	BUY	N/A	57,800	57,800 $15.7 Million

Others Institutions Holding BIIB

# of Institutions

1,025

Shares Held

126M

Call Options Held

2.31M

Put Options Held

4.26M

View Full List

About BIOGEN INC.

Ticker BIIB
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 144,000,992
Market Cap $18.6B
Description
Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases. The company offers TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; and FUMADERM to treat plaque psoriasis. It also provides BENEPALI, an eta...

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