1,014 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 356 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

1.38% more ownership

Funds ownership: 87.77%89.15% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 356

22% less call options, than puts

Call options by funds: $974M | Put options by funds: $1.24B

Holders
1,014
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
38
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$974M
Puts
$1.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
476
$2.35M
477
$2.32M
478
$2.31M
479
$2.29M
480
$2.25M
481
$2.24M
482
$2.23M
483
$2.23M
484
$2.23M
485
$2.21M
486
$2.19M
487
$2.19M
488
$2.19M
489
$2.18M
490
$2.13M
491
$2.12M
492
$2.12M
493
$2.11M
494
$2.09M
495
$2.05M
496
$2.04M
497
$2.03M
498
$2.02M
499
$2.01M
500
$2.01M