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
426
$3.75M
427
$3.72M
428
$3.71M
429
$3.7M
430
$3.69M
431
$3.66M
432
$3.58M
433
$3.57M
434
$3.49M
435
$3.45M
436
$3.42M
437
$3.37M
438
$3.35M
439
$3.35M
440
$3.28M
441
$3.26M
442
$3.25M
443
$3.24M
444
$3.24M
445
$3.21M
446
$3.21M
447
$3.19M
448
$3.17M
449
$3.16M
450
$3.15M