1,144 hedge funds and large institutions have $62.8B invested in Biogen in 2018 Q3 according to their latest regulatory filings, with 142 funds opening new positions, 345 increasing their positions, 466 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

0% more funds holding in top 10

Funds holding in top 10: 2828 (0)

26% less repeat investments, than reductions

Existing positions increased: 345 | Existing positions reduced: 466

41% less call options, than puts

Call options by funds: $1.11B | Put options by funds: $1.88B

Holders
1,144
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.11B
Puts
$1.88B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
451
$3.79M
452
$3.79M
453
$3.71M
454
$3.69M
455
$3.68M
456
$3.66M
457
$3.66M
458
$3.6M
459
$3.6M
460
$3.57M
461
$3.56M
462
$3.54M
463
$3.53M
464
$3.51M
465
$3.48M
466
$3.48M
467
$3.44M
468
$3.33M
469
$3.32M
470
$3.29M
471
$3.29M
472
$3.25M
473
$3.25M
474
$3.21M
475
$3.19M