What is the current PE ratio of BIIB?

As of today, BIIB PE ratio is 41.35

What is BIIB PE ratio 1-year high?

BIIB PE ratio reached a 1-year high of 41.68 on October 15, 2026

BIIB PE ratio reached a 1-year low of 13.04 on October 17, 2025

BIIB PE ratio is up +217.10% year-over-year

BIIB PE ratio is up +61.65% over the past 3 years

BIIB PE ratio is currently -96.34% below its historical high of 1,130.00 set on January 18, 2005

BIIB PE ratio is higher than 74.12% of companies in Healthcare sector

41.350.15+0.36%

October 19, 2026

Current Value: As of today, BIIB PE ratio is 41.35, up +0.36% on October 19, 2026
All-time High: BIIB PE ratio is currently -96.34% below its historical high of 1,130.00 set on January 18, 2005
1-Year High: BIIB PE ratio reached a 1-year high of 41.68 on October 15, 2026
1-Year Low: BIIB PE ratio reached a 1-year low of 13.04 on October 17, 2025
1-Year Change: BIIB PE ratio is up +217.10% over the past 365 days
Sector rank: BIIB PE ratio is higher than 74.12% of companies in Healthcare sector

BIIB Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
PE Ratio	Oct 19, 26	41.35	+0.4%	+8.4%	+13.3%	+106.8%	+217.1%	+61.6%	+57.6%
Price	Oct 19, 26	$233.48	+0.4%	+8.3%	+13.3%	+32.7%	+63.3%	-9.3%	-12.9%
TTM Revenue	Jun 30, 26	$9.66B	+0.6%	–	+0.6%	–	+0.5%	+2.0%	+5.3%
TTM EPS	Jun 30, 26	$5.65	-39.4%	–	-39.4%	–	-46.0%	-69.3%	-54.7%
	Oct 19, 26	1.83	+0.6%	+8.3%	+13.7%	+28.9%	+59.1%	-28.8%	-51.6%
	Oct 19, 26	3.57	+0.3%	+8.2%	+13.3%	+31.7%	+65.3%	-8.0%	-21.2%
	Oct 19, 26	$41.57B	+0.3%	+6.8%	+10.9%	+45.0%	+76.1%	-2.7%	-5.6%
	Oct 19, 26	15.25	+0.3%	+6.9%	+10.9%	+70.2%	+109.5%	-17.4%	-73.7%
Market Cap	Oct 19, 26	$34B	+0.4%	+8.3%	+13.4%	+33.5%	+64.5%	-7.5%	-12.4%

BIIB PE Ratio Highs Comparison
Period	High	Date	Current
1M	41.68	Oct 15, 26	-0.8%
3M	41.68	Oct 15, 26	-0.8%
6M	41.68	Oct 15, 26	-0.8%
1Y	41.68	Oct 15, 26	-0.8%
3Y	41.68	Oct 15, 26	-0.8%
5Y	41.68	Oct 15, 26	-0.8%
All	1,130.00	Jan 18, 05	-96.3%

BIIB PE Ratio Lows Comparison
Period	Low	Date	Current
1M	38.16	Sep 18, 26	+8.4%
3M	35.02	Jul 22, 26	+18.1%
6M	19.03	Apr 17, 26	+117.3%
1Y	13.04	Oct 17, 25	+217.1%
3Y	11.20	Apr 10, 25	+269.2%
5Y	11.20	Apr 10, 25	+269.2%
All	7.76	Jul 1, 20	+432.9%

What is the current PE ratio of BIIB?: As of today, BIIB PE ratio is 41.35
What is BIIB PE ratio 1-year high?: BIIB PE ratio reached a 1-year high of 41.68 on October 15, 2026
What is BIIB PE ratio 1-year low?: BIIB PE ratio reached a 1-year low of 13.04 on October 17, 2025
What is 1-year change in BIIB PE ratio?: BIIB PE ratio is up +217.10% year-over-year
What is 3-year change in BIIB PE ratio?: BIIB PE ratio is up +61.65% over the past 3 years
How far is BIIB PE ratio from its all-time high?: BIIB PE ratio is currently -96.34% below its historical high of 1,130.00 set on January 18, 2005
How does BIIB PE ratio rank versus sector peers?: BIIB PE ratio is higher than 74.12% of companies in Healthcare sector

P/E =

BIIB Official Website www.biogen.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/875045/000087504526000013/0000875045-26-000013-index.htm
BIIB Profile on Yahoo Finance finance.yahoo.com/quote/BIIB
BIIB Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/biib