1,025 hedge funds and large institutions have $53.8B invested in Biogen in 2016 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 364 increasing their positions, 401 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

9% less capital invested

Capital invested by funds: $59.3B → $53.8B (-$5.52B)

13% less call options, than puts

Call options by funds: $1.52B | Put options by funds: $1.74B

28% less funds holding in top 10

Funds holding in top 10: 5741 (-16)

Holders
1,025
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
41
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.52B
Puts
$1.74B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
526
$1.88M
527
$1.88M
528
$1.86M
529
$1.84M
530
$1.84M
531
$1.82M
532
$1.81M
533
$1.8M
534
$1.78M
535
$1.77M
536
$1.77M
537
$1.77M
538
$1.75M
539
$1.74M
540
$1.73M
541
$1.7M
542
$1.69M
543
$1.69M
544
$1.67M
545
$1.67M
546
$1.67M
547
$1.67M
548
$1.65M
549
$1.64M
550
$1.62M