1,010 hedge funds and large institutions have $37.6B invested in Biogen in 2019 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 317 increasing their positions, 451 reducing their positions, and 142 closing their positions.

New
Increased
Maintained
Reduced
Closed

less ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

less call options, than puts

Call options by funds: $ | Put options by funds: $

27% less funds holding in top 10

Funds holding in top 10: 2216 (-6)

30% less repeat investments, than reductions

Existing positions increased: 317 | Existing positions reduced: 451

41% less first-time investments, than exits

New positions opened: 84 | Existing positions closed: 142

Holders
1,010
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
16
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$883M
Puts
$1.2B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
526
$966K
527
$964K
528
$955K
529
$952K
530
$946K
531
$932K
532
$926K
533
$919K
534
$918K
535
$915K
536
$914K
537
$901K
538
$899K
539
$891K
540
$889K
541
$883K
542
$880K
543
$872K
544
$865K
545
$864K
546
$862K
547
$859K
548
$846K
549
$832K
550
$830K