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Biogen

1,037 hedge funds and large institutions have $34.9B invested in Biogen in 2021 Q3 according to their latest regulatory filings, with 72 funds opening new positions, 350 increasing their positions, 397 reducing their positions, and 124 closing their positions.

New
Increased
Maintained
Reduced
Closed

less ownership

Funds ownership:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less capital invested

Capital invested by funds: $ → $

27% less call options, than puts

Call options by funds: $1.24B | Put options by funds: $1.7B

42% less first-time investments, than exits

New positions opened: 72 | Existing positions closed: 124

44% less funds holding in top 10

Funds holding in top 10: 2715 (-12)

Holders
1,037
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
15
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.24B
Puts
$1.7B
Net Calls
Net Calls Change

Top Buyers

1 +$226M
2 +$136M
3 +$131M
4
JP Morgan Chase
JP Morgan Chase
New York
+$82.1M
5
Amundi
Amundi
France
+$77.1M

Top Sellers

1 -$210M
2 -$135M
3 -$115M
4
Renaissance Technologies
Renaissance Technologies
New York
-$114M
5
Northern Trust
Northern Trust
Illinois
-$101M
Name Holding Trade Value Shares
Change
Change in
Stake
851
$141K
852
$141K
853
$140K
854
$136K
855
$135K
856
$132K
857
$132K
858
$130K
859
$128K
860
$127K
861
$126K
862
$125K
863
$121K
864
$121K
865
$120K
866
$115K
867
$114K
868
$113K
869
$111K
870
$105K
871
$104K
872
$101K
873
$100K
874
$99K
875
$99K