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
501
$789K
502
$788K
503
$780K
504
$775K
505
$775K
506
$771K
507
$764K
508
$761K
509
$760K
510
$759K
511
$749K
512
$736K
513
$734K
514
$727K
515
$725K
516
$718K
517
$713K
518
$710K
519
$707K
520
$703K
521
$701K
522
$700K
523
$688K
524
$688K
525
$678K