984 hedge funds and large institutions have $32.8B invested in Biogen in 2022 Q3 according to their latest regulatory filings, with 150 funds opening new positions, 276 increasing their positions, 370 reducing their positions, and 79 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

2.14% more ownership

Funds ownership: 83.11%85.25% (+2.1%)

8% more call options, than puts

Call options by funds: $2.02B | Put options by funds: $1.87B

25% less repeat investments, than reductions

Existing positions increased: 276 | Existing positions reduced: 370

Holders
984
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.02B
Puts
$1.87B
Net Calls
Net Calls Change

Top Buyers

1 +$260M
2 +$142M
3 +$107M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$95.6M
5
Millennium Management
Millennium Management
New York
+$70.3M

Top Sellers

1 -$244M
2 -$131M
3 -$84.5M
4
Renaissance Technologies
Renaissance Technologies
New York
-$83.1M
5
HM
HealthCor Management
New York
-$73M
Name Holding Trade Value Shares
Change
Change in
Stake
776
$160K
777
$160K
778
$158K
779
$152K
780
$151K
781
$151K
782
$151K
783
$144K
784
$144K
785
$139K
786
$136K
787
$134K
788
$127K
789
$126K
790
$125K
791
$124K
792
$121K
793
$121K
794
$118K
795
$117K
796
$116K
797
$112K
798
$112K
799
$111K
800
$108K