Sei Investments CO Biogen Inc. Transaction History

Sei Investments CO

$74.7 Billion
Q3 2024

A detailed history of Sei Investments CO transactions in Biogen Inc. stock. As of the latest transaction made, Sei Investments CO holds 107,952 shares of BIIB stock, worth $15.8 Million. This represents 0.03% of its overall portfolio holdings.

Number of Shares

107,952

Previous 105,351 2.47%

Holding current value

$15.8 Million

Previous $24.4 Million 14.32%

% of portfolio

0.03%

Previous 0.04%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2024 Nov 12, 2024	BUY	$189.07 - $236.8 $491,771 - $615,916	2,601 Added 2.47%	107,952 $20.9 Million
Q2 2024 Aug 13, 2024	BUY	$190.52 - $236.72 $2.84 Million - $3.53 Million	14,900 Added 16.47%	105,351 $24.4 Million
Q1 2024 May 07, 2024	BUY	$212.02 - $267.71 $177,460 - $224,073	837 Added 0.93%	90,451 $19.5 Million
Q4 2023 Feb 14, 2024	SELL	$222.59 - $267.94 $485,691 - $584,645	-2,182 Reduced 2.38%	89,614 $23.2 Million
Q3 2023 Nov 14, 2023	BUY	$253.3 - $285.89 $135,515 - $152,951	535 Added 0.59%	91,796 $23.6 Million
Q2 2023 Aug 11, 2023	SELL	$275.25 - $318.06 $2.79 Million - $3.23 Million	-10,154 Reduced 10.01%	91,261 $26 Million
Q1 2023 May 12, 2023	BUY	$256.56 - $292.34 $1.02 Million - $1.16 Million	3,983 Added 4.09%	101,415 $28.2 Million
Q4 2022 Feb 10, 2023	SELL	$252.44 - $306.72 $1.62 Million - $1.97 Million	-6,426 Reduced 6.19%	97,432 $27 Million
Q3 2022 Nov 14, 2022	SELL	$194.69 - $268.46 $1.41 Million - $1.95 Million	-7,264 Reduced 6.54%	103,858 $27.7 Million
Q2 2022 Aug 15, 2022	SELL	$187.54 - $223.02 $20.7 Million - $24.6 Million	-110,221 Reduced 49.8%	111,122 $22.6 Million
Q1 2022 May 13, 2022	SELL	$193.77 - $244.14 $6.32 Million - $7.96 Million	-32,617 Reduced 12.84%	221,343 $46.6 Million
Q4 2021 Feb 14, 2022	BUY	$223.92 - $287.77 $9.86 Million - $12.7 Million	44,012 Added 20.96%	253,960 $60.8 Million
Q3 2021 Nov 12, 2021	BUY	$282.99 - $369.05 $35.7 Million - $46.5 Million	126,096 Added 150.38%	209,948 $59.5 Million
Q2 2021 Aug 06, 2021	SELL	$259.0 - $414.71 $4.27 Million - $6.83 Million	-16,469 Reduced 16.42%	83,852 $29 Million
Q1 2021 May 12, 2021	BUY	$242.95 - $284.63 $282,064 - $330,455	1,161 Added 1.17%	100,321 $27.1 Million
Q4 2020 Feb 08, 2021	SELL	$236.26 - $355.63 $5.72 Million - $8.62 Million	-24,230 Reduced 19.64%	99,160 $24.3 Million
Q3 2020 Dec 04, 2020	SELL	$264.77 - $305.71 $745,062 - $860,267	-2,814 Reduced 2.23%	123,390 $35 Million
Q3 2020 Nov 06, 2020	BUY	$264.77 - $305.71 $234,056 - $270,247	884 Added 0.71%	126,204 $35.8 Million
Q2 2020 Aug 17, 2020	SELL	$258.66 - $342.55 $2.01 Million - $2.66 Million	-7,762 Reduced 5.83%	125,320 $33.6 Million
Q2 2020 Aug 11, 2020	BUY	$258.66 - $342.55 $1.8 Million - $2.39 Million	6,971 Added 5.53%	133,082 $38.4 Million
Q1 2020 May 14, 2020	SELL	$268.85 - $341.04 $145,447 - $184,502	-541 Reduced 0.43%	126,111 $39.9 Million
Q4 2019 Feb 06, 2020	BUY	$220.06 - $304.07 $1.86 Million - $2.57 Million	8,462 Added 7.16%	126,652 $37.6 Million
Q3 2019 Nov 12, 2019	BUY	$217.44 - $243.88 $2.58 Million - $2.9 Million	11,886 Added 11.18%	118,190 $27.3 Million
Q2 2019 Aug 14, 2019	SELL	$219.29 - $241.72 $2.37 Million - $2.62 Million	-10,827 Reduced 9.24%	106,304 $24.7 Million
Q1 2019 May 15, 2019	SELL	$216.71 - $338.96 $3.59 Million - $5.61 Million	-16,545 Reduced 12.38%	117,131 $27.5 Million
Q4 2018 Feb 13, 2019	BUY	$278.5 - $352.75 $1.5 Million - $1.9 Million	5,394 Added 4.2%	133,676 $46.4 Million
Q3 2018 Nov 08, 2018	SELL	$293.51 - $383.83 $12.1 Million - $15.9 Million	-41,324 Reduced 24.36%	128,282 $45.3 Million
Q2 2018 Aug 03, 2018	BUY	$257.52 - $306.91 $2.4 Million - $2.86 Million	9,327 Added 5.82%	169,606 $49.2 Million
Q1 2018 May 11, 2018	SELL	$260.13 - $367.91 $44.8 Million - $63.3 Million	-172,152 Reduced 51.79%	160,279 $43.9 Million
Q4 2017 Feb 08, 2018	BUY	$307.64 - $344.58 $3.02 Million - $3.38 Million	9,809 Added 3.04%	332,431 $106 Million
Q3 2017 Nov 06, 2017	BUY	$281.15 - $329.69 $90.7 Million - $106 Million	322,622	322,622 $101 Million

Others Institutions Holding BIIB

# of Institutions

1,037

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 $21.1B
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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Sei Investments CO Biogen Inc. Transaction History