Westfield Capital Management CO LP Biogen Inc. Transaction History

Westfield Capital Management CO LP

$21.2 Billion
Q3 2024

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2022 Nov 14, 2022	SELL	$194.69 - $268.46 $227,592 - $313,829	-1,169 Reduced 40.08%	1,748 $467,000
Q2 2022 Aug 12, 2022	SELL	$187.54 - $223.02 $1,875 - $2,230	-10 Reduced 0.34%	2,917 $595,000
Q1 2022 May 16, 2022	SELL	$193.77 - $244.14 $215,472 - $271,483	-1,112 Reduced 27.53%	2,927 $616,000
Q4 2021 Feb 10, 2022	SELL	$223.92 - $287.77 $65.6 Million - $84.3 Million	-292,883 Reduced 98.64%	4,039 $969,000
Q3 2021 Nov 12, 2021	BUY	$282.99 - $369.05 $29.7 Million - $38.8 Million	105,080 Added 54.77%	296,922 $84 Million
Q2 2021 Aug 10, 2021	BUY	$259.0 - $414.71 $49.2 Million - $78.8 Million	189,985 Added 10230.75%	191,842 $66.4 Million
Q1 2021 May 14, 2021	BUY	$242.95 - $284.63 $10,689 - $12,523	44 Added 2.43%	1,857 $519,000
Q4 2020 Feb 12, 2021	SELL	$236.26 - $355.63 $4,488 - $6,756	-19 Reduced 1.04%	1,813 $444,000
Q2 2020 Aug 13, 2020	BUY	$258.66 - $342.55 $473,865 - $627,551	1,832 New	1,832 $490,000
Q4 2019 Feb 13, 2020	SELL	$220.06 - $304.07 $531,224 - $734,024	-2,414 Closed	0 $0
Q3 2019 Nov 08, 2019	SELL	$217.44 - $243.88 $8,697 - $9,755	-40 Reduced 1.63%	2,414 $562,000
Q2 2019 Aug 13, 2019	SELL	$219.29 - $241.72 $51.5 Million - $56.8 Million	-234,796 Reduced 98.97%	2,454 $574,000
Q1 2019 May 14, 2019	SELL	$216.71 - $338.96 $825,448 - $1.29 Million	-3,809 Reduced 1.58%	237,250 $56.1 Million
Q4 2018 Feb 08, 2019	BUY	$278.5 - $352.75 $6.62 Million - $8.38 Million	23,758 Added 10.93%	241,059 $72.5 Million
Q3 2018 Nov 14, 2018	SELL	$293.51 - $383.83 $16.1 Million - $21.1 Million	-54,883 Reduced 20.16%	217,301 $76.8 Million
Q2 2018 Aug 13, 2018	SELL	$257.52 - $306.91 $7.13 Million - $8.5 Million	-27,695 Reduced 9.24%	272,184 $79 Million
Q1 2018 May 14, 2018	SELL	$260.13 - $367.91 $3.11 Million - $4.4 Million	-11,970 Reduced 3.84%	299,879 $82.1 Million
Q4 2017 Feb 13, 2018	BUY	$307.64 - $344.58 $16.7 Million - $18.7 Million	54,157 Added 21.02%	311,849 $99.3 Million
Q3 2017 Nov 13, 2017	BUY	$281.15 - $329.69 $72.5 Million - $85 Million	257,692	257,692 $80.7 Million

Others Institutions Holding BIIB

# of Institutions

1,032

Shares Held

126M

Call Options Held

1.13M

Put Options Held

1.43M

View Full List

About BIOGEN INC.

Ticker BIIB
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 144,000,992
Market Cap $21.4B
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...

More about BIIB

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