981 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, 275 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: 82.74%84.95% (+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: 275 | Existing positions reduced: 369

Holders
981
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
701
$267K
702
$267K
703
$266K
704
$265K
705
$261K
706
$261K
707
$260K
708
$256K
709
$256K
710
$254K
711
$254K
712
$253K
713
$252K
714
$250K
715
$248K
716
$247K
717
$247K
718
$245K
719
$245K
720
$245K
721
$244K
722
$243K
723
$242K
724
$241K
725
$241K