1,012 hedge funds and large institutions have $59.3B invested in Biogen in 2016 Q3 according to their latest regulatory filings, with 121 funds opening new positions, 338 increasing their positions, 399 reducing their positions, and 67 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:

6% less call options, than puts

Call options by funds: $1.49B | Put options by funds: $1.59B

15% less repeat investments, than reductions

Existing positions increased: 338 | Existing positions reduced: 399

Holders
1,012
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
57
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.49B
Puts
$1.59B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
526
$2.02M
527
$2.01M
528
$1.96M
529
$1.95M
530
$1.94M
531
$1.92M
532
$1.9M
533
$1.88M
534
$1.88M
535
$1.85M
536
$1.84M
537
$1.81M
538
$1.81M
539
$1.8M
540
$1.79M
541
$1.78M
542
$1.77M
543
$1.76M
544
$1.76M
545
$1.76M
546
$1.72M
547
$1.71M
548
$1.71M
549
$1.68M
550
$1.68M