BIIB Stock Ownership Activity

BIOGEN INC 13F holders

3 value investing gurus have made changes to the BIOGEN INC (BIIB) position according to the gurus' latest SEC quarterly report(s). BIIB has been bought (as a new position) by 1, completely sold out by 1 guru(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 2 gurus: Sarah Ketterer - Causeway Capital Management (new buy) and Mark A. Hillman - Hillman Value Fund (added shares +35.25%).

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
2024 Q4 (3 results)
Sarah Ketterer
Causeway Capital Management
buy
+281,702
+0.98%
0.98%
Mark A. Hillman
Hillman Value Fund
+35.25%
+7,439
+0.62%
2.06%
Parnassus Investments
Parnassus Endeavor Fund
-100.00%
-361,512
-1.46%
0.00%
Current price: $131.32 14.13% AVG reported price*: $152.92
2024 Q3 (1 result)
Parnassus Investments
Parnassus Endeavor Fund
+0.21%
+770
+0.00%
0.00%
Current price: $131.32 32.25% Reported price*: $193.84
2024 Q1 (1 result)
Mark A. Hillman
Hillman Value Fund
+0.57%
+139
+0.01%
2.16%
Current price: $131.32 39.10% Reported price*: $215.63
2023 Q3 (2 results)
Mark A. Hillman
Hillman Value Fund
+32.86%
+6,000
+0.74%
2.98%
Parnassus Investments
Parnassus Endeavor Fund
+17.96%
+54,934
+0.31%
2.04%
Current price: $131.32 48.90% AVG reported price*: $257.01
2022 Q4 (1 result)
Parnassus Investments
Parnassus Endeavor Fund
-12.06%
-27,892
-0.25%
1.22%
Current price: $131.32 52.58% Reported price*: $276.92
2022 Q3 (2 results)
Parnassus Investments
Parnassus Endeavor Fund
-23.07%
-104,302
-0.67%
2.24%
Mark A. Hillman
Hillman Value Fund
-37.25%
-10,839
-1.61%
2.71%
Current price: $131.32 50.82% AVG reported price*: $267.00
2022 Q2 (1 result)
Mason Hawkins
Longleaf Partners
-100.00%
-337,077
-5.07%
0.00%
Current price: $131.32 37.64% Reported price*: $210.60
2022 Q1 (1 result)
Mark A. Hillman
Hillman Value Fund
+59.89%
+8,338
+0.93%
1.90%
Current price: $131.32 37.65% Reported price*: $210.60
2021 Q4 (2 results)
Parnassus Investments
Parnassus Endeavor Fund
buy
+452,053
+2.00%
2.00%
Mason Hawkins
Longleaf Partners
buy
+337,077
+4.86%
4.86%
Current price: $131.32 45.27% AVG reported price*: $239.92
2021 Q3 (2 results)
Ronald Muhlenkamp
Muhlenkamp & Co
-100.00%
-18,218
-2.42%
0.00%
Bill Miller
Miller Value Partners
-100.00%
-77,505
-0.94%
0.00%
Current price: $131.32 62.07% AVG reported price*: $346.26
2021 Q2 (4 results)
Bill Miller
Miller Value Partners
buy
+77,505
+0.72%
0.00%
Ronald Muhlenkamp
Muhlenkamp & Co
+0.19%
+34
+0.00%
0.00%
Warren Buffett
Berkshire Hathaway
-100.00%
-527,278
-0.06%
0.00%
Mason Hawkins
Longleaf Partners
-100.00%
-138,429
-4.67%
0.00%
Current price: $131.32 58.05% AVG reported price*: $313.01
2021 Q1 (3 results)
Mason Hawkins
Longleaf Partners
buy
+138,429
+4.59%
0.00%
Mark A. Hillman
Hillman Value Fund
+37.88%
+5,000
+0.81%
2.95%
Ronald Muhlenkamp
Muhlenkamp & Co
+0.20%
+32
+0.00%
2.05%
Current price: $131.32 58.28% AVG reported price*: $314.78
2020 Q4 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
+0.52%
+94
+0.01%
1.79%
Current price: $131.32 46.36% Reported price*: $244.83
2020 Q3 (2 results)
Mark A. Hillman
Hillman Value Fund
+32.00%
+2,944
+0.87%
3.31%
Ronald Muhlenkamp
Muhlenkamp & Co
+1.25%
+222
+0.03%
2.65%
Current price: $131.32 53.71% AVG reported price*: $283.67
2020 Q2 (3 results)
Ronald Muhlenkamp
Muhlenkamp & Co
+0.35%
+55
+0.01%
2.25%
Duan Yongping
H&H International Investment
-100.00%
-10,000
-0.06%
0.00%
Ravenel Boykin Curry IV
Eagle Capital Management
-100.00%
-2,600
-0.00%
0.00%
Current price: $131.32 50.92% AVG reported price*: $267.57
2020 Q1 (4 results)
Mark A. Hillman
Hillman Value Fund
buy
+10,000
+4.34%
4.34%
Ravenel Boykin Curry IV
Eagle Capital Management
buy
+2,600
+0.00%
0.00%
Duan Yongping
H&H International Investment
buy
+10,000
+0.11%
0.00%
Warren Buffett
Berkshire Hathaway
-0.84%
-5,425
-0.00%
0.12%
Current price: $131.32 58.49% AVG reported price*: $316.38
2019 Q4 (2 results)
Warren Buffett
Berkshire Hathaway
buy
+648,447
+0.08%
0.08%
Ronald Muhlenkamp
Muhlenkamp & Co
-0.03%
-6
-0.00%
2.30%
Current price: $131.32 55.74% AVG reported price*: $296.72
2019 Q3 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-0.03%
-6
-0.00%
2.02%
Current price: $131.32 43.59% Reported price*: $232.81
2019 Q2 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-0.35%
-52
-0.01%
1.68%
Current price: $131.32 43.85% Reported price*: $233.86
2019 Q1 (2 results)
Ronald Muhlenkamp
Muhlenkamp & Co
-2.86%
-525
-0.06%
2.00%
Michael Burry
Scion Asset Management
-100.00%
-10,000
-3.06%
0.00%
Current price: $131.32 44.45% AVG reported price*: $236.40
2018 Q4 (1 result)
Michael Burry
Scion Asset Management
buy
+10,000
+2.91%
0.00%
Current price: $131.32 56.36% Reported price*: $300.90
2018 Q3 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-27.03%
-5,102
-1.03%
2.09%
Current price: $131.32 62.83% Reported price*: $353.33
2018 Q1 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
+1.98%
+489
+0.05%
2.51%
Current price: $131.32 52.04% Reported price*: $273.81
2017 Q4 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
+0.55%
+135
+0.01%
2.42%
Current price: $131.32 58.78% Reported price*: $318.57
2017 Q3 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-3.91%
-998
-0.10%
2.55%
Current price: $131.32 58.06% Reported price*: $313.11
2017 Q2 (2 results)
Ronald Muhlenkamp
Muhlenkamp & Co
-0.05%
-12
-0.00%
2.27%
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-640,551
-1.27%
0.00%
Current price: $131.32 51.61% AVG reported price*: $271.36
2017 Q1 (2 results)
Ronald Muhlenkamp
Muhlenkamp & Co
+9.79%
+2,278
+0.20%
2.26%
Ole Andreas Halvorsen
Viking Global Investors
-64.10%
-1,143,943
-1.49%
0.00%
Current price: $131.32 51.97% AVG reported price*: $273.43
48 of 69

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.