Fmr LLC Biogen Inc. Transaction History

Fmr LLC

$1.68 Trillion
Q2 2025

A detailed history of Fmr LLC transactions in Biogen Inc. stock. As of the latest transaction made, Fmr LLC holds 1,674,220 shares of BIIB stock, worth $243 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

1,674,220

Previous 1,308,828 27.92%

Holding current value

$243 Million

Previous $179 Million 17.4%

% of portfolio

0.01%

Previous 0.01%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$113.38 - $135.49 $41.4 Million - $49.5 Million	365,392 Added 27.92%	1,674,220 $210 Million
Q1 2025 May 12, 2025	BUY	$133.43 - $153.27 $73.6 Million - $84.5 Million	551,258 Added 72.77%	1,308,828 $179 Million
Q4 2024 Feb 13, 2025	BUY	$146.47 - $191.55 $55.1 Million - $72.1 Million	376,356 Added 98.73%	757,570 $116 Million
Q3 2024 Nov 13, 2024	SELL	$189.07 - $236.8 $43.3 Million - $54.3 Million	-229,202 Reduced 37.55%	381,214 $73.9 Million
Q2 2024 Aug 13, 2024	SELL	$190.52 - $236.72 $1.99 Million - $2.47 Million	-10,434 Reduced 1.68%	610,416 $142 Million
Q1 2024 May 13, 2024	SELL	$212.02 - $267.71 $80.6 Million - $102 Million	-380,294 Reduced 37.99%	620,850 $134 Million
Q4 2023 Feb 13, 2024	SELL	$222.59 - $267.94 $80.1 Million - $96.4 Million	-359,907 Reduced 26.44%	1,001,144 $259 Million
Q3 2023 Nov 13, 2023	SELL	$253.3 - $285.89 $324 Million - $366 Million	-1,279,470 Reduced 48.46%	1,361,051 $350 Million
Q2 2023 Aug 11, 2023	BUY	$275.25 - $318.06 $244 Million - $282 Million	887,907 Added 50.66%	2,640,521 $752 Million
Q1 2023 May 11, 2023	BUY	$256.56 - $292.34 $139 Million - $158 Million	541,421 Added 44.7%	1,752,614 $487 Million
Q4 2022 Feb 13, 2023	SELL	$252.44 - $306.72 $66.9 Million - $81.3 Million	-265,039 Reduced 17.95%	1,211,193 $335 Million
Q3 2022 Nov 10, 2022	BUY	$194.69 - $268.46 $87.6 Million - $121 Million	450,066 Added 43.86%	1,476,232 $394 Million
Q2 2022 Aug 12, 2022	BUY	$187.54 - $223.02 $120 Million - $142 Million	638,196 Added 164.5%	1,026,166 $209 Million
Q1 2022 May 13, 2022	BUY	$193.77 - $244.14 $38.9 Million - $49 Million	200,669 Added 107.14%	387,970 $81.7 Million
Q4 2021 Feb 14, 2022	SELL	$223.92 - $287.77 $222 Million - $285 Million	-990,252 Reduced 84.09%	187,301 $44.9 Million
Q3 2021 Nov 15, 2021	SELL	$282.99 - $369.05 $49.4 Million - $64.5 Million	-174,665 Reduced 12.92%	1,177,553 $333 Million
Q2 2021 Aug 13, 2021	BUY	$259.0 - $414.71 $350 Million - $561 Million	1,352,218 New	1,352,218 $468 Million

Others Institutions Holding BIIB

# of Institutions

1,022

Shares Held

131M

Call Options Held

2.87M

Put Options Held

2.57M

View Full List

About BIOGEN INC.

Ticker BIIB
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 144,000,992
Market Cap $20.9B
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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