982 hedge funds and large institutions have $32.7B invested in Biogen in 2022 Q3 according to their latest regulatory filings, with 150 funds opening new positions, 276 increasing their positions, 369 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:

2.2% more ownership

Funds ownership: 82.76%84.97% (+2.2%)

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: 369

Holders
982
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
21
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 +$326M
2 +$179M
3 +$134M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$120M
5
Millennium Management
Millennium Management
New York
+$88.4M

Top Sellers

1 -$307M
2 -$165M
3 -$106M
4
Renaissance Technologies
Renaissance Technologies
New York
-$105M
5
HM
HealthCor Management
New York
-$91.8M
Name Holding Trade Value Shares
Change
Change in
Stake
826
$61K
827
$60K
828
$60K
829
$58K
830
$56K
831
$53K
832
$51K
833
$49K
834
$49K
835
$47K
836
$45K
837
$45K
838
$45K
839
$44K
840
$43K
841
$43K
842
$40K
843
$39K
844
$37.4K
845
$37K
846
$37K
847
$36K
848
$36K
849
$35K
850
$34K