Rock Springs Capital Management LP Biogen Inc. Transaction History

Rock Springs Capital Management LP

7 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2021 Nov 15, 2021	SELL	$282.99 - $369.05 $32.1 Million - $41.9 Million	-113,500 Closed	0 $0
Q1 2021 May 17, 2021	BUY	$242.95 - $284.63 $3.28 Million - $3.84 Million	13,500 Added 13.5%	113,500 $31.8 Million
Q4 2020 Feb 16, 2021	SELL	$236.26 - $355.63 $17.1 Million - $25.8 Million	-72,500 Reduced 42.03%	100,000 $24.5 Million
Q3 2020 Nov 16, 2020	SELL	$264.77 - $305.71 $1.99 Million - $2.29 Million	-7,500 Reduced 4.17%	172,500 $48.9 Million
Q1 2020 May 15, 2020	BUY	$268.85 - $341.04 $35 Million - $44.3 Million	130,000 Added 260.0%	180,000 $56.9 Million
Q3 2018 Nov 14, 2018	SELL	$293.51 - $383.83 $880,530 - $1.15 Million	-3,000 Reduced 5.66%	50,000 $17.7 Million
Q3 2017 Nov 14, 2017	BUY	$281.15 - $329.69 $14.9 Million - $17.5 Million	53,000	53,000 $16.6 Million

1,050

128M

1.22M

1.4M

Ticker BIIB
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 144,000,992
Market Cap $28B
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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