BIIB Stock Ownership Activity

BIOGEN INC 13F holders

1 value investing guru has made changes to the BIOGEN INC (BIIB) position according to the gurus' latest SEC quarterly report(s). The number of BIIB shares has been increased by 1 super investor(s).

Which gurus or hedge funds are buying BIIB now?

According to the latest SEC filing(s) BIOGEN INC (BIIB) has been bought by Parnassus Investments - Parnassus Endeavor Fund (added shares +0.21%).

To see more about who is investing in BIOGEN INC (BIIB), please go to the BIIB ownership page.

History
Name
Company
%
Activity
Share
Change
% change to
Portfolio
% of
Portfolio
2016 Q3 (3 results)
Ronald Muhlenkamp
Muhlenkamp & Co
-0.95%
-225
-0.03%
2.81%
Sarah Ketterer
Causeway Capital Management
-17.34%
-84,819
-0.55%
0.00%
Ole Andreas Halvorsen
Viking Global Investors
-31.90%
-865,424
-1.38%
2.49%
Current price: $158.59 49.34% AVG reported price*: $313.02
2016 Q2 (3 results)
Sarah Ketterer
Causeway Capital Management
buy
+489,263
+2.88%
2.88%
Ole Andreas Halvorsen
Viking Global Investors
+1,290.15%
+2,979,560
+3.06%
3.30%
Ronald Muhlenkamp
Muhlenkamp & Co
-0.63%
-93
-0.01%
1.40%
Current price: $158.59 37.40% AVG reported price*: $253.33
2016 Q1 (3 results)
Ronald Muhlenkamp
Muhlenkamp & Co
buy
+20,513
+2.56%
2.20%
Ole Andreas Halvorsen
Viking Global Investors
-37.39%
-130,331
-0.16%
0.25%
C.T. Fitzpatrick
Vulcan Value Partners
-100.00%
-750
-0.00%
0.00%
Current price: $158.59 39.08% AVG reported price*: $260.32
2015 Q4 (2 results)
C.T. Fitzpatrick
Vulcan Value Partners
buy
+750
+0.00%
0.00%
Ole Andreas Halvorsen
Viking Global Investors
buy
+280,336
+0.43%
0.32%
Current price: $158.59 48.23% AVG reported price*: $306.35
2015 Q3 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-433,860
-0.79%
0.00%
Current price: $158.59 60.74% Reported price*: $403.94
2015 Q2 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
buy
+433,860
+0.78%
0.00%
Current price: $158.59 60.74% Reported price*: $403.94
2014 Q2 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-270,285
-0.52%
0.00%
Current price: $158.59 48.15% Reported price*: $305.87
2014 Q1 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
buy
+270,285
+0.50%
0.00%
Current price: $158.59 48.15% Reported price*: $305.87
2013 Q4 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-290,345
-0.33%
0.00%
Current price: $158.59 34.13% Reported price*: $240.76
2013 Q3 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-69.95%
-675,943
-0.90%
0.00%
Current price: $158.59 34.13% Reported price*: $240.76
2013 Q2 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
buy
+966,288
+1.16%
1.16%
Current price: $158.59 26.31% Reported price*: $215.20
18 of 66

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.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.