1,013 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 355 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

1.38% more ownership

Funds ownership: 87.76%89.14% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 355

22% less call options, than puts

Call options by funds: $974M | Put options by funds: $1.24B

Holders
1,013
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
38
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$974M
Puts
$1.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
526
$1.69M
527
$1.68M
528
$1.67M
529
$1.67M
530
$1.65M
531
$1.63M
532
$1.63M
533
$1.61M
534
$1.59M
535
$1.59M
536
$1.58M
537
$1.56M
538
$1.55M
539
$1.55M
540
$1.54M
541
$1.52M
542
$1.52M
543
$1.52M
544
$1.51M
545
$1.5M
546
$1.5M
547
$1.47M
548
$1.46M
549
$1.46M
550
$1.45M