BIIB Stock Ownership Activity

BIOGEN INC 13F holders

2 value investing gurus have 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, decreased 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 Sarah Ketterer - Causeway Capital Management (added shares +53.89%).

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
2025 Q1 (2 results)
Sarah Ketterer
Causeway Capital Management
+53.89%
+151,815
+0.43%
1.24%
Mark A. Hillman
Hillman Value Fund
-21.82%
-7,200
-0.69%
2.47%
Current price: $132.31 3.31% AVG reported price*: $136.84
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: $132.31 13.48% AVG reported price*: $152.92
2024 Q3 (1 result)
Parnassus Investments
Parnassus Endeavor Fund
+0.21%
+770
+0.00%
0.00%
Current price: $132.31 31.74% Reported price*: $193.84
2024 Q1 (1 result)
Mark A. Hillman
Hillman Value Fund
+0.57%
+139
+0.01%
2.16%
Current price: $132.31 38.64% 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: $132.31 48.52% AVG reported price*: $257.01
2022 Q4 (1 result)
Parnassus Investments
Parnassus Endeavor Fund
-12.06%
-27,892
-0.25%
1.22%
Current price: $132.31 52.22% 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: $132.31 50.45% AVG reported price*: $267.00
2022 Q2 (1 result)
Mason Hawkins
Longleaf Partners
-100.00%
-337,077
-5.07%
0.00%
Current price: $132.31 37.17% Reported price*: $210.60
2022 Q1 (1 result)
Mark A. Hillman
Hillman Value Fund
+59.89%
+8,338
+0.93%
1.90%
Current price: $132.31 37.18% 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: $132.31 44.85% AVG reported price*: $239.92
2021 Q3 (2 results)
Bill Miller
Miller Value Partners
-100.00%
-77,505
-0.94%
0.00%
Ronald Muhlenkamp
Muhlenkamp & Co
-100.00%
-18,218
-2.42%
0.00%
Current price: $132.31 61.79% 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: $132.31 57.73% 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: $132.31 57.97% AVG reported price*: $314.78
2020 Q4 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
+0.52%
+94
+0.01%
1.79%
Current price: $132.31 45.96% 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: $132.31 53.36% AVG reported price*: $283.67
2020 Q2 (3 results)
Ronald Muhlenkamp
Muhlenkamp & Co
+0.35%
+55
+0.01%
2.25%
Ravenel Boykin Curry IV
Eagle Capital Management
-100.00%
-2,600
-0.00%
0.00%
Duan Yongping
H&H International Investment
-100.00%
-10,000
-0.06%
0.00%
Current price: $132.31 50.55% 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: $132.31 58.18% 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: $132.31 55.41% AVG reported price*: $296.72
2019 Q3 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-0.03%
-6
-0.00%
2.02%
Current price: $132.31 43.17% Reported price*: $232.81
2019 Q2 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-0.35%
-52
-0.01%
1.68%
Current price: $132.31 43.42% 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: $132.31 44.03% AVG reported price*: $236.40
2018 Q4 (1 result)
Michael Burry
Scion Asset Management
buy
+10,000
+2.91%
0.00%
Current price: $132.31 56.03% Reported price*: $300.90
2018 Q3 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-27.03%
-5,102
-1.03%
2.09%
Current price: $132.31 62.55% Reported price*: $353.33
2018 Q1 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
+1.98%
+489
+0.05%
2.51%
Current price: $132.31 51.68% Reported price*: $273.81
2017 Q4 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
+0.55%
+135
+0.01%
2.42%
Current price: $132.31 58.47% Reported price*: $318.57
2017 Q3 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-3.91%
-998
-0.10%
2.55%
Current price: $132.31 57.74% 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: $132.31 51.24% 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: $132.31 51.61% AVG reported price*: $273.43
50 of 71

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.