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Biogen Inc.

$217.15 +$39.33 (+22.12%)
NASDAQ · 11 Sep 2026 20:00 UTC
Previous Close
$215.43
Day Range
$214.71$219.76
Year Range
$135.39$225.8
Market Cap
32.08B
AVG Volume
1.1M
Trailing/Forward PE
38.23/13.12
PEG ratio
1.15
Dividend Yield
-
Next Earnings Date
2026-10-29
Primary Exchange
NASDAQUS
Revenue (USD) · TTM
02.5B5B7.5B10B24 Q124 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q2
BIIB Revenue (USD) · TTM by quarter
PeriodRevenue (USD) · TTM
26 Q29.95B
26 Q19.86B
25 Q49.81B
25 Q39.99B
25 Q210B
25 Q19.82B
24 Q49.68B
24 Q39.61B
24 Q29.67B
24 Q19.66B
Net Income (USD) · TTM
0500M1B1.5B2B24 Q124 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q2
BIIB Net Income (USD) · TTM by quarter
PeriodNet Income (USD) · TTM
26 Q2835.09M
26 Q11.37B
25 Q41.29B
25 Q31.61B
25 Q21.53B
25 Q11.48B
24 Q41.63B
24 Q31.62B
24 Q21.16B
24 Q11.17B
Operating Income (USD) · TTM
01B2B3B24 Q124 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q2
BIIB Operating Income (USD) · TTM by quarter
PeriodOperating Income (USD) · TTM
26 Q21.27B
26 Q11.54B
25 Q41.88B
25 Q32.44B
25 Q22.41B
25 Q12.19B
24 Q42.14B
24 Q32.15B
24 Q21.89B
24 Q12.21B
EBITDA (USD) · TTM
01B2B3B4B24 Q124 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q2
BIIB EBITDA (USD) · TTM by quarter
PeriodEBITDA (USD) · TTM
26 Q21.67B
26 Q12.7B
25 Q43.01B
25 Q33.49B
25 Q23.38B
25 Q13.24B
24 Q43.15B
24 Q33.06B
24 Q22.75B
24 Q12.53B
Cash Flows (USD) · TTM
01B2B3B24 Q124 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q2
BIIB Cash Flows (USD) · TTM by quarter
PeriodCash Flows (USD) · TTM
26 Q22.97B
26 Q12.62B
25 Q42.14B
25 Q32.28B
25 Q21.86B
25 Q12.3B
24 Q42.52B
24 Q31.77B
24 Q21.47B
24 Q11.28B
EPS (USD) · TTM
05101524 Q124 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q2
BIIB EPS (USD) · TTM by quarter
PeriodEPS (USD) · TTM
26 Q25.65
26 Q19.34
25 Q48.83
25 Q310.99
25 Q210.48
25 Q110.13
24 Q411.19
24 Q311.07
24 Q27.94
24 Q18.01
Expenses (USD) · TTM
-2B02B4B6BR&DSG&ACapex24 Q124 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q2
BIIB Expenses (USD) · TTM by quarter
PeriodExpenses (USD) · TTM
26 Q24.45B
26 Q14.42B
25 Q44.45B
25 Q34.73B
25 Q25.1B
25 Q15.16B
24 Q45.22B
24 Q35.11B
24 Q25.37B
24 Q15.44B
Shares Outstanding (USD) · TTM
-400M-300M-200M-100M0Buybacks (Repurchases)Stock-Based Compensation24 Q124 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q2
BIIB Shares Outstanding (USD) · TTM by quarter
PeriodShares Outstanding (USD) · TTM
26 Q2-134.9M
26 Q1-293.8M
25 Q4-290.8M
25 Q3-306.3M
25 Q2-303.7M
25 Q1-299.4M
24 Q4-291.2M
24 Q3-271M
24 Q2-260.5M
24 Q1-263.6M
Employee Count
02.5K5K7.5K10K2016201720182019202020212022202320242025
BIIB Employee Count by quarter
PeriodEmployee Count
20257.5K
20247.61K
20237.57K
20228.72K
20219.61K
20209.1K
20197.4K
20187.8K
20177.3K
20167.4K
PE Ratio
10203040med 14.46Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
BIIB PE Ratio by quarter
PeriodPE Ratio
Sep 2638.41
Sep 2639.06
Aug 2638.65
Aug 2638.34
Aug 2637.11
Aug 2636.78
Jul 2635.9
Jul 2621.69
Jul 2622.09
Jul 2621.36
Jul 2623.18
Jun 2623.17
Jun 2621.08
Jun 2621.46
Jun 2620.95
May 2621.02
May 2620.78
May 2620.7
May 2620.75
May 2620.06
Apr 2620.91
Apr 2620.12
Apr 2619.62
Apr 2620.11
Mar 2620.85
Mar 2620.58
Mar 2620.59
Mar 2620.97
Feb 2621.76
Feb 2621.78
Feb 2622.29
Feb 2622.82
Jan 2616.4
Jan 2615.64
Jan 2614.99
Jan 2617.1
Jan 2616.21
Dec 2516.14
Dec 2515.93
Dec 2515.87
Dec 2516.52
Nov 2516.6
Nov 2515.98
Nov 2515.27
Nov 2514.17
Oct 2514.06
Oct 2514.29
Oct 2513.63
Oct 2513.97
Oct 2515.24
Sep 2513.1
Sep 2513.58
Sep 2513.81
Sep 2513.41
Aug 2512.6
Aug 2513.28
Aug 2513.21
Aug 2512.46
Aug 2512.58
Jul 2512.97
Jul 2512.33
Jul 2513.24
Jul 2513.1
Jun 2512.43
Jun 2512.53
Jun 2512.89
Jun 2513.13
May 2512.8
May 2512.41
May 2512.39
May 2511.65
May 2512.18
Apr 2510.61
Apr 2510.59
Apr 2510.28
Apr 2510.98
Mar 2512.35
Mar 2512.58
Mar 2512.45
Mar 2513.42
Feb 2512.54
Feb 2512.55
Feb 2512.26
Feb 2512.75
Jan 2512.98
Jan 2513.19
Jan 2512.68
Jan 2513.42
Jan 2513.73
Dec 2413.65
Dec 2413.21
Dec 2413.53
Dec 2414.23
Nov 2414.49
Nov 2414.24
Nov 2414.43
Nov 2415.61
Nov 2415.68
Oct 2422.83
Oct 2423.9
Free Cash Flow Yield
5%7.5%10%12.5%15%med 9%Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
BIIB Free Cash Flow Yield by quarter
PeriodFree Cash Flow Yield
Sep 269.26%
Sep 269.1%
Aug 269.2%
Aug 269.27%
Aug 269.58%
Aug 269.67%
Jul 269.9%
Jul 268.81%
Jul 268.65%
Jul 268.95%
Jul 268.25%
Jun 268.25%
Jun 269.07%
Jun 268.91%
Jun 269.12%
May 269.09%
May 269.2%
May 269.24%
May 269.21%
May 269.53%
Apr 267.91%
Apr 268.22%
Apr 268.43%
Apr 268.22%
Mar 267.93%
Mar 268.03%
Mar 268.03%
Mar 267.89%
Feb 267.6%
Feb 267.59%
Feb 267.42%
Feb 267.25%
Jan 268.64%
Jan 269.05%
Jan 269.45%
Jan 268.28%
Jan 268.74%
Dec 258.77%
Dec 258.89%
Dec 258.92%
Dec 258.57%
Nov 258.53%
Nov 258.86%
Nov 259.27%
Nov 259.99%
Oct 2510.07%
Oct 258.49%
Oct 258.9%
Oct 258.68%
Oct 257.96%
Sep 259.26%
Sep 258.93%
Sep 258.78%
Sep 259.05%
Aug 259.62%
Aug 259.13%
Aug 259.18%
Aug 259.74%
Aug 259.64%
Jul 2511.96%
Jul 2512.59%
Jul 2511.72%
Jul 2511.84%
Jun 2512.48%
Jun 2512.39%
Jun 2512.04%
Jun 2511.82%
May 2512.12%
May 2512.51%
May 2512.53%
May 2513.31%
May 2512.74%
Apr 2514.53%
Apr 2514.56%
Apr 2514.99%
Apr 2514.04%
Mar 2512.48%
Mar 2512.25%
Mar 2512.38%
Mar 2511.48%
Feb 2512.29%
Feb 2512.28%
Feb 2512.57%
Feb 258.59%
Jan 258.43%
Jan 258.3%
Jan 258.64%
Jan 258.16%
Jan 257.97%
Dec 248.02%
Dec 248.29%
Dec 248.09%
Dec 247.69%
Nov 247.56%
Nov 247.69%
Nov 247.59%
Nov 247.01%
Nov 246.98%
Oct 245.55%
Oct 245.3%
Price to Sales
1.522.533.5med 2.4Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
BIIB Price to Sales by quarter
PeriodPrice to Sales
Sep 263.22
Sep 263.28
Aug 263.24
Aug 263.22
Aug 263.12
Aug 263.09
Jul 263.01
Jul 263.02
Jul 263.08
Jul 262.97
Jul 263.23
Jun 263.23
Jun 262.94
Jun 262.99
Jun 262.92
May 262.93
May 262.89
May 262.88
May 262.89
May 262.79
Apr 262.76
Apr 262.65
Apr 262.59
Apr 262.65
Mar 262.75
Mar 262.71
Mar 262.71
Mar 262.76
Feb 262.87
Feb 262.87
Feb 262.94
Feb 263.01
Jan 262.64
Jan 262.52
Jan 262.41
Jan 262.75
Jan 262.61
Dec 252.6
Dec 252.57
Dec 252.56
Dec 252.66
Nov 252.67
Nov 252.57
Nov 252.46
Nov 252.28
Oct 252.26
Oct 252.19
Oct 252.09
Oct 252.14
Oct 252.33
Sep 252
Sep 252.08
Sep 252.11
Sep 252.05
Aug 251.93
Aug 252.03
Aug 252.02
Aug 251.91
Aug 251.93
Jul 251.95
Jul 251.86
Jul 251.99
Jul 251.97
Jun 251.87
Jun 251.89
Jun 251.94
Jun 251.98
May 251.93
May 251.87
May 251.87
May 251.76
May 251.84
Apr 251.79
Apr 251.79
Apr 251.73
Apr 251.85
Mar 252.08
Mar 252.12
Mar 252.1
Mar 252.26
Feb 252.12
Feb 252.12
Feb 252.07
Feb 252.14
Jan 252.18
Jan 252.22
Jan 252.13
Jan 252.26
Jan 252.31
Dec 242.29
Dec 242.22
Dec 242.28
Dec 242.39
Nov 242.44
Nov 242.39
Nov 242.43
Nov 242.62
Nov 242.64
Oct 242.74
Oct 242.86
EV/EBITDA
510152025med 8.35Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
BIIB EV/EBITDA by quarter
PeriodEV/EBITDA
Sep 2623.43
Sep 2623.75
Aug 2623.55
Aug 2623.39
Aug 2622.78
Aug 2622.61
Jul 2622.17
Jul 2611.86
Jul 2612.06
Jul 2611.69
Jul 2612.61
Jun 2612.61
Jun 2611.55
Jun 2611.74
Jun 2611.48
May 2611.52
May 2611.4
May 2611.35
May 2611.38
May 2611.03
Apr 2610.01
Apr 269.67
Apr 269.46
Apr 269.67
Mar 269.99
Mar 269.87
Mar 269.88
Mar 2610.04
Feb 2610.38
Feb 2610.39
Feb 2610.6
Feb 2610.83
Jan 268.3
Jan 267.95
Jan 267.65
Jan 268.63
Jan 268.21
Dec 258.18
Dec 258.09
Dec 258.06
Dec 258.36
Nov 258.39
Nov 258.11
Nov 257.78
Nov 257.28
Oct 257.23
Oct 257.6
Oct 257.31
Oct 257.46
Oct 258.03
Sep 257.06
Sep 257.28
Sep 257.39
Sep 257.2
Aug 256.84
Aug 257.15
Aug 257.12
Aug 256.77
Aug 256.83
Jul 257.16
Jul 256.87
Jul 257.29
Jul 257.23
Jun 256.92
Jun 256.96
Jun 257.13
Jun 257.24
May 257.09
May 256.91
May 256.9
May 256.56
May 256.81
Apr 256.84
Apr 256.83
Apr 256.67
Apr 257.03
Mar 257.74
Mar 257.86
Mar 257.79
Mar 258.29
Feb 257.84
Feb 257.85
Feb 257.69
Feb 258.34
Jan 258.46
Jan 258.57
Jan 258.3
Jan 258.69
Jan 258.85
Dec 248.81
Dec 248.58
Dec 248.75
Dec 249.12
Nov 249.25
Nov 249.12
Nov 249.22
Nov 249.84
Nov 249.88
Oct 2411.37
Oct 2411.82
Price/Operating Cashflow
57.51012.51517.5med 10.41Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
BIIB Price/Operating Cashflow by quarter
PeriodPrice/Operating Cashflow
Sep 2611.14
Sep 2611.33
Aug 2611.21
Aug 2611.12
Aug 2610.77
Aug 2610.67
Jul 2610.41
Jul 2611.49
Jul 2611.7
Jul 2611.31
Jul 2612.28
Jun 2612.27
Jun 2611.17
Jun 2611.37
Jun 2611.1
May 2611.14
May 2611.01
May 2610.96
May 2610.99
May 2610.63
Apr 2612.27
Apr 2611.8
Apr 2611.51
Apr 2611.8
Mar 2612.23
Mar 2612.07
Mar 2612.08
Mar 2612.3
Feb 2612.76
Feb 2612.78
Feb 2613.08
Feb 2613.39
Jan 2610.75
Jan 2610.25
Jan 269.82
Jan 2611.21
Jan 2610.62
Dec 2510.58
Dec 2510.44
Dec 2510.4
Dec 2510.83
Nov 2510.88
Nov 2510.47
Nov 2510.01
Nov 259.29
Oct 259.22
Oct 2510.33
Oct 259.86
Oct 2510.1
Oct 2511.02
Sep 259.47
Sep 259.82
Sep 259.98
Sep 259.7
Aug 259.11
Aug 259.6
Aug 259.55
Aug 259.01
Aug 259.1
Jul 257.43
Jul 257.06
Jul 257.58
Jul 257.51
Jun 257.13
Jun 257.18
Jun 257.38
Jun 257.52
May 257.34
May 257.11
May 257.1
May 256.68
May 256.98
Apr 256.02
Apr 256.01
Apr 255.84
Apr 256.23
Mar 257.01
Mar 257.14
Mar 257.07
Mar 257.62
Feb 257.12
Feb 257.13
Feb 256.96
Feb 259.68
Jan 259.86
Jan 2510.01
Jan 259.63
Jan 2510.19
Jan 2510.43
Dec 2410.36
Dec 2410.03
Dec 2410.28
Dec 2410.81
Nov 2411
Nov 2410.82
Nov 2410.96
Nov 2411.85
Nov 2411.9
Oct 2414.83
Oct 2415.52
Price to Book
11.21.41.61.8med 1.37Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
BIIB Price to Book by quarter
PeriodPrice to Book
Sep 261.7
Sep 261.73
Aug 261.71
Aug 261.7
Aug 261.64
Aug 261.63
Jul 261.59
Jul 261.6
Jul 261.63
Jul 261.57
Jul 261.71
Jun 261.7
Jun 261.55
Jun 261.58
Jun 261.54
May 261.55
May 261.53
May 261.52
May 261.53
May 261.48
Apr 261.48
Apr 261.43
Apr 261.39
Apr 261.42
Mar 261.48
Mar 261.46
Mar 261.46
Mar 261.49
Feb 261.54
Feb 261.54
Feb 261.58
Feb 261.62
Jan 261.45
Jan 261.38
Jan 261.32
Jan 261.51
Jan 261.43
Dec 251.43
Dec 251.41
Dec 251.4
Dec 251.46
Nov 251.47
Nov 251.41
Nov 251.35
Nov 251.25
Oct 251.24
Oct 251.24
Oct 251.18
Oct 251.21
Oct 251.32
Sep 251.14
Sep 251.18
Sep 251.2
Sep 251.16
Aug 251.09
Aug 251.15
Aug 251.15
Aug 251.08
Aug 251.09
Jul 251.13
Jul 251.07
Jul 251.15
Jul 251.14
Jun 251.08
Jun 251.09
Jun 251.12
Jun 251.14
May 251.12
May 251.08
May 251.08
May 251.02
May 251.06
Apr 251.04
Apr 251.03
Apr 251
Apr 251.07
Mar 251.21
Mar 251.23
Mar 251.22
Mar 251.31
Feb 251.22
Feb 251.23
Feb 251.2
Feb 251.26
Jan 251.28
Jan 251.3
Jan 251.25
Jan 251.33
Jan 251.36
Dec 241.35
Dec 241.3
Dec 241.34
Dec 241.41
Nov 241.43
Nov 241.41
Nov 241.42
Nov 241.54
Nov 241.55
Oct 241.66
Oct 241.74
Biogen Inc.
BIIB
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News: BIIB

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gurufocus.com · 3 Sep 2026

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businesswire.com · 3 Sep 2026

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