Biogen Inc.
BIIB

$18.47 B
Marketcap
$126.08
Share price
Country
$-0.49
Change (1 day)
$238.00
Year High
$110.04
Year Low

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 etanercept biosimilar referencing ENBREL; ADUHELM for the treatment of Alzheimer's disease; IMRALDI, an adalimumab biosimilar referencing HUMIRA; and FLIXABI, an infliximab biosimilar referencing REMICADE. In addition, the company offers RITUXAN for treating non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; and OCREVUS for treating relapsing MS and primary progressive MS; and other anti-CD20 therapies. Further, it develops BIIB135, BIIB061, BIIB091, and BIIB107 for MS and neuroimmunology; Aducanumab, Lecanemab, BIIB076, and BIIB080 to treat Alzheimer's disease and dementia; BIIB067, BIIB078, BIIB105, BIIB100, and BIIB110 to treat neuromuscular disorders; BIIB124, BIIB094, BIIB118, BIIB101, and BIIB122 for treating Parkinson's disease and movement disorders; BIIB125 and BIIB104 for treating neuropsychiatry; Dapirolizumab pegol and BIIB059 to treat immunology related diseases; BIIB093 and BIIB131 to treat acute neurology; BIIB074 for neuropathic pain; and BYOOVIZ, BIIB800, and SB15 biosimilars, which are under various stages of development. The company has collaboration and license agreements with Acorda Therapeutics, Inc.; Alkermes Pharma Ireland Limited; Denali Therapeutics Inc.; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Samsung Bioepis Co., Ltd.; Sangamo Therapeutics, Inc.; and Sage Therapeutics, Inc. Biogen Inc. was founded in 1978 and is headquartered in Cambridge, Massachusetts.

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Market capitalization of Biogen Inc. (BIIB)

Market cap: $18.47 B

As of Jul 2025 Biogen Inc. has a market cap of $18.47 B. This makes Biogen Inc. the world's most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Biogen Inc. from 2001 to 2023

Market Cap History

Date Market cap
30 Jun 2025 $18.35 B
27 Jun 2025 $18.42 B
26 Jun 2025 $18.54 B
25 Jun 2025 $18.6 B
24 Jun 2025 $18.45 B
23 Jun 2025 $18.23 B
20 Jun 2025 $18.56 B
18 Jun 2025 $18.49 B
17 Jun 2025 $18.49 B
16 Jun 2025 $19.14 B
13 Jun 2025 $19.09 B
12 Jun 2025 $19.33 B
11 Jun 2025 $19.44 B
10 Jun 2025 $19.8 B
09 Jun 2025 $19.6 B
06 Jun 2025 $19.45 B
05 Jun 2025 $19.05 B
04 Jun 2025 $19.26 B
03 Jun 2025 $19.26 B
02 Jun 2025 $19.16 B
30 May 2025 $18.96 B
29 May 2025 $19.39 B
28 May 2025 $18.63 B
27 May 2025 $18.76 B
23 May 2025 $18.38 B
22 May 2025 $18.45 B
21 May 2025 $18.53 B
20 May 2025 $19.07 B
19 May 2025 $18.91 B
16 May 2025 $18.35 B
15 May 2025 $18.07 B
14 May 2025 $17.59 B
13 May 2025 $17.99 B
12 May 2025 $18.17 B
09 May 2025 $17.26 B
08 May 2025 $17.3 B
07 May 2025 $17.12 B
06 May 2025 $17.07 B
05 May 2025 $17.79 B
02 May 2025 $18.05 B
01 May 2025 $17.67 B
30 Apr 2025 $17.69 B
29 Apr 2025 $17.56 B
28 Apr 2025 $17.4 B
25 Apr 2025 $17.36 B
24 Apr 2025 $17.46 B
23 Apr 2025 $17.26 B
22 Apr 2025 $17.37 B
21 Apr 2025 $17.02 B
17 Apr 2025 $17.33 B
16 Apr 2025 $16.84 B
15 Apr 2025 $17.09 B
14 Apr 2025 $17.42 B
11 Apr 2025 $16.83 B
10 Apr 2025 $16.56 B
09 Apr 2025 $17.6 B
08 Apr 2025 $16.66 B
07 Apr 2025 $17.41 B
04 Apr 2025 $17.97 B
03 Apr 2025 $19.1 B
02 Apr 2025 $19.19 B
01 Apr 2025 $19.29 B
31 Mar 2025 $19.99 B
28 Mar 2025 $20.22 B
27 Mar 2025 $20.5 B
26 Mar 2025 $20.81 B
25 Mar 2025 $20.33 B
24 Mar 2025 $20.69 B
21 Mar 2025 $20.59 B
20 Mar 2025 $20.66 B
19 Mar 2025 $20.66 B
18 Mar 2025 $20.91 B
17 Mar 2025 $20.97 B
14 Mar 2025 $20.37 B
13 Mar 2025 $20.45 B
12 Mar 2025 $20.48 B
11 Mar 2025 $20.99 B
10 Mar 2025 $22.02 B
07 Mar 2025 $21.97 B
06 Mar 2025 $21.53 B
05 Mar 2025 $21 B
04 Mar 2025 $20.84 B
03 Mar 2025 $20.7 B
28 Feb 2025 $20.53 B
27 Feb 2025 $20.44 B
26 Feb 2025 $20.53 B
25 Feb 2025 $20.96 B
24 Feb 2025 $20.64 B
21 Feb 2025 $20.55 B
20 Feb 2025 $20.03 B
19 Feb 2025 $19.97 B
18 Feb 2025 $19.95 B
14 Feb 2025 $20.06 B
13 Feb 2025 $20.23 B
12 Feb 2025 $19.49 B
11 Feb 2025 $20.36 B
10 Feb 2025 $20.83 B
07 Feb 2025 $20.65 B
06 Feb 2025 $20.8 B
05 Feb 2025 $21.26 B
04 Feb 2025 $20.82 B
03 Feb 2025 $20.8 B
31 Jan 2025 $21.03 B
30 Jan 2025 $21.36 B
29 Jan 2025 $21.1 B
28 Jan 2025 $21.26 B
27 Jan 2025 $21.73 B
24 Jan 2025 $21.36 B
23 Jan 2025 $20.99 B
22 Jan 2025 $20.86 B
21 Jan 2025 $20.6 B
17 Jan 2025 $20.53 B
16 Jan 2025 $20.63 B
15 Jan 2025 $20.6 B
14 Jan 2025 $20.9 B
13 Jan 2025 $21.94 B
10 Jan 2025 $21.74 B
08 Jan 2025 $22.02 B
07 Jan 2025 $22.38 B
06 Jan 2025 $22.39 B
03 Jan 2025 $22.24 B
02 Jan 2025 $21.92 B
31 Dec 2024 $22.34 B
30 Dec 2024 $21.88 B
27 Dec 2024 $22.05 B
26 Dec 2024 $21.84 B
24 Dec 2024 $21.71 B
23 Dec 2024 $21.76 B
20 Dec 2024 $21.34 B
19 Dec 2024 $21.47 B
18 Dec 2024 $21.39 B
17 Dec 2024 $21.95 B
16 Dec 2024 $21.93 B
13 Dec 2024 $21.86 B
12 Dec 2024 $22.63 B
11 Dec 2024 $22.94 B
10 Dec 2024 $22.78 B
09 Dec 2024 $22.8 B
06 Dec 2024 $22.99 B
05 Dec 2024 $23.2 B
04 Dec 2024 $23.45 B
03 Dec 2024 $23.44 B
02 Dec 2024 $23.93 B
29 Nov 2024 $23.4 B
27 Nov 2024 $23.29 B
26 Nov 2024 $22.98 B
25 Nov 2024 $23.12 B
22 Nov 2024 $23.01 B
21 Nov 2024 $23.02 B
20 Nov 2024 $22.73 B
19 Nov 2024 $22.65 B
18 Nov 2024 $23.01 B
15 Nov 2024 $23.31 B
14 Nov 2024 $24.02 B
13 Nov 2024 $24.16 B
12 Nov 2024 $24.52 B
11 Nov 2024 $25.06 B
08 Nov 2024 $25.21 B
07 Nov 2024 $25.34 B
06 Nov 2024 $25.41 B
05 Nov 2024 $25.78 B
04 Nov 2024 $25.28 B
01 Nov 2024 $25.32 B
31 Oct 2024 $25.35 B
30 Oct 2024 $26.4 B
29 Oct 2024 $26.73 B
28 Oct 2024 $26.96 B
25 Oct 2024 $26.47 B
24 Oct 2024 $26.79 B
23 Oct 2024 $26.66 B
22 Oct 2024 $27.09 B
21 Oct 2024 $26.9 B
18 Oct 2024 $27.71 B
17 Oct 2024 $27.62 B
16 Oct 2024 $27.54 B
15 Oct 2024 $27.91 B
14 Oct 2024 $27.91 B
11 Oct 2024 $27.45 B
10 Oct 2024 $27.48 B
09 Oct 2024 $27.07 B
08 Oct 2024 $26.56 B
07 Oct 2024 $26.71 B
04 Oct 2024 $27.05 B
03 Oct 2024 $26.92 B
02 Oct 2024 $27.5 B
01 Oct 2024 $27.8 B
30 Sep 2024 $28.24 B
27 Sep 2024 $28.36 B
26 Sep 2024 $28.21 B
25 Sep 2024 $27.55 B
24 Sep 2024 $28.28 B
23 Sep 2024 $28.53 B
20 Sep 2024 $29.05 B
19 Sep 2024 $29.35 B
18 Sep 2024 $28.79 B
17 Sep 2024 $28.88 B
16 Sep 2024 $29.08 B
13 Sep 2024 $28.5 B
12 Sep 2024 $28.83 B
11 Sep 2024 $29.01 B
10 Sep 2024 $29.23 B
09 Sep 2024 $29.03 B
06 Sep 2024 $29.26 B
05 Sep 2024 $29.4 B
04 Sep 2024 $29.86 B
03 Sep 2024 $29.85 B
30 Aug 2024 $29.83 B
29 Aug 2024 $29.84 B
28 Aug 2024 $29.75 B
27 Aug 2024 $29.62 B
26 Aug 2024 $29.85 B
23 Aug 2024 $29.87 B
22 Aug 2024 $29.62 B
21 Aug 2024 $30.04 B
20 Aug 2024 $29.94 B
19 Aug 2024 $30.02 B
16 Aug 2024 $29.42 B
15 Aug 2024 $29.38 B
14 Aug 2024 $29.23 B
13 Aug 2024 $29.73 B
12 Aug 2024 $29.29 B
09 Aug 2024 $29.43 B
08 Aug 2024 $29.73 B
07 Aug 2024 $29.11 B
06 Aug 2024 $29.16 B
05 Aug 2024 $28.91 B
02 Aug 2024 $29.96 B
01 Aug 2024 $30.7 B
31 Jul 2024 $31.06 B
30 Jul 2024 $30.87 B
29 Jul 2024 $31.24 B
26 Jul 2024 $30.77 B
25 Jul 2024 $33.14 B
24 Jul 2024 $32.93 B
23 Jul 2024 $32.68 B
22 Jul 2024 $33.02 B
19 Jul 2024 $32.99 B
18 Jul 2024 $32.82 B
17 Jul 2024 $33.27 B
16 Jul 2024 $32.79 B
15 Jul 2024 $32.28 B
12 Jul 2024 $33.52 B
11 Jul 2024 $34.5 B
10 Jul 2024 $33.91 B
09 Jul 2024 $33.37 B
08 Jul 2024 $33.23 B
05 Jul 2024 $32.88 B
03 Jul 2024 $32.73 B
02 Jul 2024 $33.34 B
01 Jul 2024 $33.77 B
28 Jun 2024 $33.75 B
27 Jun 2024 $33.3 B
26 Jun 2024 $32.68 B
25 Jun 2024 $32.5 B
24 Jun 2024 $32.99 B
21 Jun 2024 $32.61 B
20 Jun 2024 $32.84 B
18 Jun 2024 $32.56 B
17 Jun 2024 $32.97 B
14 Jun 2024 $33.73 B
13 Jun 2024 $34.05 B
12 Jun 2024 $33.58 B
11 Jun 2024 $32.87 B
10 Jun 2024 $32.9 B
07 Jun 2024 $32.82 B
06 Jun 2024 $33.78 B
05 Jun 2024 $34.47 B
04 Jun 2024 $34.09 B
03 Jun 2024 $33.46 B
31 May 2024 $32.75 B
30 May 2024 $32.04 B
29 May 2024 $31.22 B
28 May 2024 $31.85 B
24 May 2024 $31.71 B
23 May 2024 $31.75 B
22 May 2024 $32.79 B
21 May 2024 $33.15 B
20 May 2024 $33.72 B
17 May 2024 $33.57 B
16 May 2024 $33.49 B
15 May 2024 $34.26 B
14 May 2024 $33.03 B
13 May 2024 $32.81 B
10 May 2024 $32.25 B
09 May 2024 $32.43 B
08 May 2024 $31.99 B
07 May 2024 $31.87 B
06 May 2024 $32.24 B
03 May 2024 $31.67 B
02 May 2024 $31.09 B
01 May 2024 $31.47 B
30 Apr 2024 $31.28 B
29 Apr 2024 $31.38 B
26 Apr 2024 $30.42 B
25 Apr 2024 $29.48 B
24 Apr 2024 $29.41 B
23 Apr 2024 $28.13 B
22 Apr 2024 $28.26 B
19 Apr 2024 $28.3 B
18 Apr 2024 $27.74 B
17 Apr 2024 $27.98 B
16 Apr 2024 $28.41 B
15 Apr 2024 $28.65 B
12 Apr 2024 $28.86 B
11 Apr 2024 $29.66 B
10 Apr 2024 $29.35 B
09 Apr 2024 $30.07 B
08 Apr 2024 $29.84 B
05 Apr 2024 $29.68 B
04 Apr 2024 $29.89 B
03 Apr 2024 $30.05 B
02 Apr 2024 $30.23 B
01 Apr 2024 $31.28 B
28 Mar 2024 $31.31 B
27 Mar 2024 $31.41 B
26 Mar 2024 $30.79 B
25 Mar 2024 $31.46 B
22 Mar 2024 $31.67 B
21 Mar 2024 $32.05 B
20 Mar 2024 $31.68 B
19 Mar 2024 $31.75 B
18 Mar 2024 $31.86 B
15 Mar 2024 $31.84 B
14 Mar 2024 $31.89 B
13 Mar 2024 $32.9 B
12 Mar 2024 $33.01 B
11 Mar 2024 $33.41 B
08 Mar 2024 $32.41 B
07 Mar 2024 $31.85 B
06 Mar 2024 $31.59 B
05 Mar 2024 $31.54 B
04 Mar 2024 $32.09 B
01 Mar 2024 $32.08 B
29 Feb 2024 $31.51 B
28 Feb 2024 $32.2 B
27 Feb 2024 $32.52 B
26 Feb 2024 $32.48 B
23 Feb 2024 $32.43 B
22 Feb 2024 $32.3 B
21 Feb 2024 $32.11 B
20 Feb 2024 $31.83 B
16 Feb 2024 $31.81 B
15 Feb 2024 $32.43 B
14 Feb 2024 $32.05 B
13 Feb 2024 $32.91 B
12 Feb 2024 $35.54 B
09 Feb 2024 $34.99 B
08 Feb 2024 $34.89 B
07 Feb 2024 $34.93 B
06 Feb 2024 $35.65 B
05 Feb 2024 $35.12 B
02 Feb 2024 $35.39 B
01 Feb 2024 $35.98 B
31 Jan 2024 $35.82 B
30 Jan 2024 $35.88 B
29 Jan 2024 $35.94 B
26 Jan 2024 $35.55 B
25 Jan 2024 $35.75 B
24 Jan 2024 $35.89 B
23 Jan 2024 $36.54 B
22 Jan 2024 $36.05 B
19 Jan 2024 $36.29 B
18 Jan 2024 $35.86 B
17 Jan 2024 $35.61 B
16 Jan 2024 $35.75 B
12 Jan 2024 $36.03 B
11 Jan 2024 $35.89 B
10 Jan 2024 $36.91 B
09 Jan 2024 $37.15 B
08 Jan 2024 $37.46 B
05 Jan 2024 $37.44 B
04 Jan 2024 $37.79 B
03 Jan 2024 $38.25 B
02 Jan 2024 $38.87 B
29 Dec 2023 $37.5 B
28 Dec 2023 $37.76 B
27 Dec 2023 $37.95 B
26 Dec 2023 $37.78 B
22 Dec 2023 $37.38 B
21 Dec 2023 $36.78 B
20 Dec 2023 $35.96 B
19 Dec 2023 $36.47 B
18 Dec 2023 $36.27 B
15 Dec 2023 $35.95 B
14 Dec 2023 $37.17 B
13 Dec 2023 $37.03 B
12 Dec 2023 $36.09 B
11 Dec 2023 $35.66 B
08 Dec 2023 $34.67 B
07 Dec 2023 $34.65 B
06 Dec 2023 $33.89 B
05 Dec 2023 $33.26 B
04 Dec 2023 $33.74 B
01 Dec 2023 $34 B
30 Nov 2023 $33.92 B
29 Nov 2023 $33.63 B
28 Nov 2023 $32.95 B
27 Nov 2023 $33.15 B
24 Nov 2023 $33.61 B
22 Nov 2023 $33.51 B
21 Nov 2023 $33.26 B
20 Nov 2023 $33.34 B
17 Nov 2023 $33.04 B
16 Nov 2023 $33.25 B
15 Nov 2023 $33.27 B
14 Nov 2023 $32.64 B
13 Nov 2023 $32.25 B
10 Nov 2023 $32.57 B
09 Nov 2023 $32.55 B
08 Nov 2023 $33.57 B
07 Nov 2023 $35.59 B
06 Nov 2023 $36.03 B
03 Nov 2023 $36.15 B
02 Nov 2023 $35.05 B
01 Nov 2023 $34.72 B
31 Oct 2023 $34.42 B
30 Oct 2023 $34.37 B
27 Oct 2023 $33.98 B
26 Oct 2023 $34.93 B
25 Oct 2023 $35.75 B
24 Oct 2023 $36.53 B
23 Oct 2023 $36.72 B
20 Oct 2023 $37.3 B
19 Oct 2023 $37.28 B
18 Oct 2023 $38.18 B
17 Oct 2023 $38.75 B
16 Oct 2023 $38.82 B
13 Oct 2023 $38 B
12 Oct 2023 $37.82 B
11 Oct 2023 $38.62 B
10 Oct 2023 $38.27 B
09 Oct 2023 $38.28 B
06 Oct 2023 $38.14 B
05 Oct 2023 $37.64 B
04 Oct 2023 $37.26 B
03 Oct 2023 $36.41 B
02 Oct 2023 $36.64 B
29 Sep 2023 $37.22 B
28 Sep 2023 $37.33 B
27 Sep 2023 $37.29 B
26 Sep 2023 $37.37 B
25 Sep 2023 $36.93 B
22 Sep 2023 $37.31 B
21 Sep 2023 $37.49 B
20 Sep 2023 $37.72 B
19 Sep 2023 $37.17 B
18 Sep 2023 $36.68 B
15 Sep 2023 $36.89 B
14 Sep 2023 $37.12 B
13 Sep 2023 $37.06 B
12 Sep 2023 $37.42 B
11 Sep 2023 $37.49 B
08 Sep 2023 $37.5 B
07 Sep 2023 $37.84 B
06 Sep 2023 $38.19 B
05 Sep 2023 $38.56 B
01 Sep 2023 $38.69 B
31 Aug 2023 $38.71 B
30 Aug 2023 $38.69 B
29 Aug 2023 $38.81 B
28 Aug 2023 $38.38 B
25 Aug 2023 $38.29 B
24 Aug 2023 $38 B
23 Aug 2023 $38.34 B
22 Aug 2023 $38.08 B
21 Aug 2023 $38.38 B
18 Aug 2023 $37.81 B
17 Aug 2023 $37.87 B
16 Aug 2023 $38.41 B
15 Aug 2023 $39.13 B
14 Aug 2023 $39.49 B
11 Aug 2023 $39.63 B
10 Aug 2023 $38.96 B
09 Aug 2023 $39.28 B
08 Aug 2023 $39.7 B
07 Aug 2023 $39.27 B
04 Aug 2023 $38.94 B
03 Aug 2023 $38.77 B
02 Aug 2023 $39.32 B
01 Aug 2023 $38.99 B
31 Jul 2023 $39.12 B
28 Jul 2023 $38.41 B
27 Jul 2023 $38.05 B
26 Jul 2023 $38.41 B
25 Jul 2023 $39.14 B
24 Jul 2023 $40.11 B
21 Jul 2023 $40.07 B
20 Jul 2023 $39.78 B
19 Jul 2023 $40.09 B
18 Jul 2023 $39.99 B
17 Jul 2023 $40.31 B
14 Jul 2023 $40.39 B
13 Jul 2023 $40.25 B
12 Jul 2023 $40.2 B
11 Jul 2023 $40.52 B
10 Jul 2023 $40.77 B
07 Jul 2023 $39.83 B
06 Jul 2023 $41.27 B
05 Jul 2023 $41.4 B
03 Jul 2023 $41.33 B

End of Day market cap according to different sources



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