William Blair Investment Management, LLC Biogen Inc. Transaction History

William Blair Investment Management, LLC

7 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2019 May 10, 2019	SELL	$216.71 - $338.96 $6.1 Million - $9.54 Million	-28,149 Closed	0 $0
Q4 2018 Feb 13, 2019	SELL	$278.5 - $352.75 $11 Million - $13.9 Million	-39,469 Reduced 58.37%	28,149 $8.47 Million
Q3 2018 Nov 13, 2018	SELL	$293.51 - $383.83 $13.8 Million - $18.1 Million	-47,078 Reduced 41.05%	67,618 $23.9 Million
Q2 2018 Aug 14, 2018	SELL	$257.52 - $306.91 $901,835 - $1.07 Million	-3,502 Reduced 2.96%	114,696 $33.3 Million
Q1 2018 May 14, 2018	SELL	$260.13 - $367.91 $7.39 Million - $10.5 Million	-28,427 Reduced 19.39%	118,198 $32.4 Million
Q4 2017 Feb 14, 2018	SELL	$307.64 - $344.58 $1.45 Million - $1.62 Million	-4,711 Reduced 3.11%	146,625 $46.7 Million
Q3 2017 Nov 13, 2017	BUY	$281.15 - $329.69 $42.5 Million - $49.9 Million	151,336	151,336 $47.4 Million

1,015

126M

1.12M

1.43M

Ticker BIIB
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 144,000,992
Market Cap $20.3B
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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