Chevy Chase Trust Holdings, Inc. Biogen Inc. Transaction History

Chevy Chase Trust Holdings, Inc.

$35.7 Billion
Q3 2025

A detailed history of Chevy Chase Trust Holdings, Inc. transactions in Biogen Inc. stock. As of the latest transaction made, Chevy Chase Trust Holdings, Inc. holds 75,171 shares of BIIB stock, worth $12.6 Million. This represents 0.03% of its overall portfolio holdings.

Number of Shares

75,171

Previous 77,741 3.31%

Holding current value

$12.6 Million

Previous $9.76 Million 7.85%

% of portfolio

0.03%

Previous 0.03%

34 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$122.68 - $148.84 $315,287 - $382,518	-2,570 Reduced 3.31%	75,171 $10.5 Million
Q2 2025 Jul 29, 2025	BUY	$113.38 - $135.49 $70,975 - $84,816	626 Added 0.81%	77,741 $9.76 Million
Q1 2025 Apr 23, 2025	BUY	$133.43 - $153.27 $39,361 - $45,214	295 Added 0.38%	77,115 $10.6 Million
Q4 2024 Jan 30, 2025	SELL	$146.47 - $191.55 $264,378 - $345,747	-1,805 Reduced 2.3%	76,820 $11.7 Million
Q3 2024 Nov 14, 2024	SELL	$189.07 - $236.8 $263,752 - $330,336	-1,395 Reduced 1.74%	78,625 $15.2 Million

Q2 2024 Jul 22, 2024	SELL	$190.52 - $236.72 $180,041 - $223,700	-945 Reduced 1.17%	80,020 $18.6 Million
Q1 2024 May 03, 2024	SELL	$212.02 - $267.71 $149,262 - $188,467	-704 Reduced 0.86%	80,965 $17.5 Million
Q4 2023 Jan 24, 2024	SELL	$222.59 - $267.94 $103,281 - $124,324	-464 Reduced 0.56%	81,669 $21.1 Million
Q3 2023 Oct 23, 2023	SELL	$253.3 - $285.89 $471,391 - $532,041	-1,861 Reduced 2.22%	82,133 $21.1 Million
Q2 2023 Jul 25, 2023	SELL	$275.25 - $318.06 $113,953 - $131,676	-414 Reduced 0.49%	83,994 $23.9 Million
Q1 2023 May 17, 2023	BUY	$256.56 - $292.34 $21 Million - $23.9 Million	81,833 Added 3177.98%	84,408 $23.5 Million
Q1 2023 May 15, 2023	SELL	$256.56 - $292.34 $20.8 Million - $23.7 Million	-80,975 Reduced 96.92%	2,575 $716 Million
Q4 2022 Feb 09, 2023	SELL	$252.44 - $306.72 $1.46 Million - $1.77 Million	-5,785 Reduced 6.48%	83,550 $23.1 Million
Q3 2022 Nov 04, 2022	BUY	$194.69 - $268.46 $32,318 - $44,564	166 Added 0.19%	89,335 $23.9 Million
Q2 2022 Aug 10, 2022	BUY	$187.54 - $223.02 $23,254 - $27,654	124 Added 0.14%	89,169 $18.2 Million
Q1 2022 Apr 27, 2022	BUY	$193.77 - $244.14 $26,740 - $33,691	138 Added 0.16%	89,045 $18.8 Million
Q4 2021 Jan 31, 2022	SELL	$223.92 - $287.77 $744,310 - $956,547	-3,324 Reduced 3.6%	88,907 $21.3 Million
Q3 2021 Oct 20, 2021	SELL	$282.99 - $369.05 $1.25 Million - $1.64 Million	-4,432 Reduced 4.59%	92,231 $26.1 Million
Q2 2021 Jul 20, 2021	SELL	$259.0 - $414.71 $1.63 Million - $2.61 Million	-6,304 Reduced 6.12%	96,663 $33.5 Million
Q1 2021 Apr 22, 2021	SELL	$242.95 - $284.63 $2.14 Million - $2.51 Million	-8,806 Reduced 7.88%	102,967 $28.8 Million
Q4 2020 Feb 12, 2021	SELL	$236.26 - $355.63 $1.55 Million - $2.34 Million	-6,568 Reduced 5.55%	111,773 $27.4 Million
Q3 2020 Nov 06, 2020	SELL	$264.77 - $305.71 $3.73 Million - $4.3 Million	-14,075 Reduced 10.63%	118,341 $33.6 Million
Q2 2020 Aug 14, 2020	SELL	$258.66 - $342.55 $5.73 Million - $7.59 Million	-22,147 Reduced 14.33%	132,416 $35.4 Million
Q1 2020 May 13, 2020	BUY	$268.85 - $341.04 $657,069 - $833,501	2,444 Added 1.61%	154,563 $48.9 Million
Q4 2019 Feb 12, 2020	SELL	$220.06 - $304.07 $729,718 - $1.01 Million	-3,316 Reduced 2.13%	152,119 $45.1 Million
Q3 2019 Nov 20, 2019	SELL	$217.44 - $243.88 $3.07 Million - $3.45 Million	-14,136 Reduced 8.34%	155,435 $36.2 Million
Q2 2019 Aug 14, 2019	SELL	$219.29 - $241.72 $659,624 - $727,093	-3,008 Reduced 1.74%	169,571 $39.7 Million
Q1 2019 May 13, 2019	SELL	$216.71 - $338.96 $513,169 - $802,657	-2,368 Reduced 1.35%	172,579 $39.6 Million
Q4 2018 Feb 14, 2019	SELL	$278.5 - $352.75 $1.16 Million - $1.46 Million	-4,150 Reduced 2.32%	174,947 $52.6 Million
Q3 2018 Oct 23, 2018	SELL	$293.51 - $383.83 $3.62 Million - $4.74 Million	-12,342 Reduced 6.45%	179,097 $63.3 Million
Q2 2018 Aug 02, 2018	SELL	$257.52 - $306.91 $354,090 - $422,001	-1,375 Reduced 0.71%	191,439 $55.6 Million
Q1 2018 Apr 10, 2018	SELL	$260.13 - $367.91 $848,023 - $1.2 Million	-3,260 Reduced 1.66%	192,814 $52.8 Million
Q4 2017 Jan 22, 2018	SELL	$307.64 - $344.58 $1.16 Million - $1.29 Million	-3,758 Reduced 1.88%	196,074 $62.5 Million
Q3 2017 Nov 14, 2017	BUY	$281.15 - $329.69 $56.2 Million - $65.9 Million	199,832	199,832 $62.6 Million

Others Institutions Holding BIIB

# of Institutions

1,083

Shares Held

131M

Call Options Held

3.77M

Put Options Held

2.31M

View Full List

About BIOGEN INC.

Ticker BIIB
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 144,000,992
Market Cap $24.1B
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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Chevy Chase Trust Holdings, Inc. Biogen Inc. Transaction History