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
551
$1.26M
552
$1.26M
553
$1.25M
554
$1.25M
555
$1.22M
556
$1.22M
557
$1.21M
558
$1.21M
559
$1.2M
560
$1.19M
561
$1.19M
562
$1.19M
563
$1.18M
564
$1.18M
565
$1.16M
566
$1.15M
567
$1.15M
568
$1.15M
569
$1.14M
570
$1.13M
571
$1.12M
572
$1.12M
573
$1.11M
574
$1.11M
575
$1.1M