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Biogen

870 hedge funds and large institutions have $20.2B invested in Biogen in 2024 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 298 increasing their positions, 321 reducing their positions, and 158 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less call options, than puts

Call options by funds: $ | Put options by funds: $

18% less first-time investments, than exits

New positions opened: 130 | Existing positions closed: 158

19% less capital invested

Capital invested by funds: $25.1B → $20.2B (-$4.83B)

38% less funds holding in top 10

Funds holding in top 10: 85 (-3)

Holders
870
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$310M
Puts
$356M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
776
$7.65K
777
$7.65K
778
$7.65K
779
$7.65K
780
$7.34K
781
$7.03K
782
$6.88K
783
$6.53K
784
$6.42K
785
$6.12K
786
$6.12K
787
$6.1K
788
$6K
789
$5.66K
790
$5.66K
791
$5.66K
792
$5.61K
793
$5.5K
794
$5.35K
795
$5.35K
796
$5.2K
797
$5.05K
798
$4.89K
799
$4.59K
800
$4.59K