BIOGEN INC

BIIB stock holders 13F

2 superinvestors reported owning BIIB (Common Stock) according to the gurus' 2017 Q1 reports.

Top 2 gurus who own (BIIB) BIOGEN INC

The 2 super investors (holders) owning BIIB (by the percentage (%) of portfolio) are Ronald Muhlenkamp - Muhlenkamp & Co (2.26%) and Ole Andreas Halvorsen - Viking Global Investors (0.83%) as of their 2017 Q1 reports.

To check the latest activities of the top BIIB shareholders between value investors, please click on the "Activity" tab.

To see the historical data of BIIB's holders please click on the "2017 Q1" dropdown menu and select the date.

# of holders: 2
Period: 2017 Q1
Type: Common Stock
History
Name
Company
% of
Portfolio
Shares*
Price*
Value
% (shares)
Activity
% change to
Portfolio
Ole Andreas Halvorsen
Viking Global Investors
0.83%
640,551
$273.42
$175,139,460
-64.10% (-1,143,943)
-1.49%
Ronald Muhlenkamp
Muhlenkamp & Co
2.26%
25,557
$273.43
$6,988,000
+9.79% (+2,278)
+0.20%
Current price: $158.90 41.89% AVG reported hold price*: $273.42

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.