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Biogen
BIIB

Overview Fund Activity

1,056 hedge funds and large institutions have $31.7B invested in Biogen in 2020 Q4 according to their latest regulatory filings, with 170 funds opening new positions, 287 increasing their positions, 430 reducing their positions, and 148 closing their positions.

Holders
1,056
Holders Change
+9
Holders Change %
+0.86%
% of All Funds
18.74%
Holding in Top 10
7
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-61.11%
% of All Funds
0.12%
New
170
Increased
287
Reduced
430
Closed
148
Calls
$1.98B
Puts
$1.64B
Net Calls
+$341M
Net Calls Change
+$456M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.42B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$485M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$713M
4
BG
4
Bellevue Group
Switzerland
$138M
5
DM
5
Deerfield Management
New York
$110M

Top Sellers

1
AQR Capital Management
1
AQR Capital Management
Connecticut
$245M
2
BlackRock
2
BlackRock
New York
$3.29B
3
Renaissance Technologies
3
Renaissance Technologies
New York
$744M
4
State Street
4
State Street
Massachusetts
$1.71B
5
KBC Group
5
KBC Group
Belgium
$132M
Name Holding Trade Value Shares
Change 		Shares
Change %
TFA
1201
Toth Financial Advisory
Virginia
– -$2K -8 Closed
AAP
1202
Arax Advisory Partners
Colorado
– -$1K -5 Closed
45 46 47 48
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