1,026 hedge funds and large institutions have $34.1B invested in Biogen in 2022 Q4 according to their latest regulatory filings, with 159 funds opening new positions, 323 increasing their positions, 359 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

more ownership

Funds ownership:

4% more capital invested

Capital invested by funds: $32.7B → $34.1B (+$1.4B)

10% less repeat investments, than reductions

Existing positions increased: 323 | Existing positions reduced: 359

14% less call options, than puts

Call options by funds: $1.29B | Put options by funds: $1.51B

Holders
1,026
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.29B
Puts
$1.51B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
576
$615K
577
$611K
578
$611K
579
$608K
580
$604K
581
$604K
582
$602K
583
$601K
584
$599K
585
$595K
586
$590K
587
$582K
588
$581K
589
$579K
590
$571K
591
$569K
592
$567K
593
$565K
594
$563K
595
$563K
596
$561K
597
$560K
598
$557K
599
$556K
600
$555K