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BIIB
NASDAQ Life Sciences

Italy Opens Antitrust Probe into Biogen Over Alleged Dominance in MS Drug Market

Tom Rudovsky · Reported by Reuters
More coverage: Pharmaceutical Stocks · Healthcare
Sentiment info
Negative
Importance info
8
Price
$193.08
Mkt Cap
$28.506B
52W Low
$121.05
52W High
$205.97
52W Position info
60% above low
Off High info
6.3% below high
Rel. Volume info
0.8× avg
Market data snapshot near publication time

BIIB sits 60% above its 52-week low of $121.05.

Summary

Italy's antitrust regulator has opened an investigation into Biogen and its Italian subsidiary, alleging abuse of a dominant position in the multiple sclerosis drug market. The probe focuses on claims that Biogen sought to exclude rival Sandoz from offering natalizumab-based drugs. This development introduces significant regulatory risk for Biogen, potentially leading to fines, market restrictions, or reputational damage in a crucial therapeutic area.

At the time of this announcement, BIIB was trading at $193.08 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $28.5B. The 52-week trading range was $121.05 to $205.97. This news item was assessed with negative market sentiment and an importance score of 8 out of 10. Source: Reuters.


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BIIB - Latest Insights

BIIB
Jul 01, 2026, 4:08 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $209.74
Real-time Price: $199.15 info
Change: -$10.59 (-5%) info
Market Cap: $29.402B info
BIIB
Jun 30, 2026, 3:13 AM EDT
Source: Wiseek News
Importance Score:
7
Price at Filing: $217.00
Real-time Price: $199.15 info
Change: -$17.85 (-8%) info
Market Cap: $29.402B info
BIIB
Jun 26, 2026, 7:56 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $201.01
Real-time Price: $199.15 info
Change: -$1.86 (-0.93%) info
Market Cap: $29.402B info
BIIB
Jun 18, 2026, 5:52 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $199.58
Real-time Price: $199.15 info
Change: -$0.430 (-0.22%) info
Market Cap: $29.402B info
BIIB
Jun 17, 2026, 6:59 PM EDT
Source: Dow Jones Newswires
Importance Score:
8
Price at Filing: $197.92
Real-time Price: $199.15 info
Change: +$1.23 (+0.62%) info
Market Cap: $29.402B info
BIIB
Jun 16, 2026, 9:28 AM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $197.77
Real-time Price: $199.15 info
Change: +$1.38 (+0.70%) info
Market Cap: $29.402B info
BIIB
Jun 10, 2026, 4:49 PM EDT
Filing Type: 8-K/A
Importance Score:
7
Price at Filing: $194.24
Real-time Price: $199.15 info
Change: +$4.91 (+3%) info
Market Cap: $29.402B info
BIIB
Jun 04, 2026, 7:30 AM EDT
Source: GlobeNewswire
Importance Score:
8
Price at Filing: $195.96
Real-time Price: $199.15 info
Change: +$3.19 (+2%) info
Market Cap: $29.402B info
BIIB
Jun 01, 2026, 1:06 AM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $196.00
Real-time Price: $199.15 info
Change: +$3.15 (+2%) info
Market Cap: $29.402B info
BIIB
May 27, 2026, 2:23 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $193.08
Real-time Price: $199.15 info
Change: +$6.07 (+3%) info
Market Cap: $29.402B info