992 hedge funds and large institutions have $50.9B invested in Biogen in 2017 Q2 according to their latest regulatory filings, with 79 funds opening new positions, 351 increasing their positions, 391 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

15% less funds holding in top 10

Funds holding in top 10: 2723 (-4)

16% less call options, than puts

Call options by funds: $954M | Put options by funds: $1.14B

18% less first-time investments, than exits

New positions opened: 79 | Existing positions closed: 96

Holders
992
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
23
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$954M
Puts
$1.14B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
526
$1.54M
527
$1.54M
528
$1.52M
529
$1.52M
530
$1.49M
531
$1.47M
532
$1.44M
533
$1.43M
534
$1.42M
535
$1.41M
536
$1.41M
537
$1.4M
538
$1.39M
539
$1.38M
540
$1.38M
541
$1.38M
542
$1.37M
543
$1.34M
544
$1.33M
545
$1.32M
546
$1.31M
547
$1.29M
548
$1.28M
549
$1.27M
550
$1.27M