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
401
$5.41M
402
$5.39M
403
$5.37M
404
$5.31M
405
$5.25M
406
$5.25M
407
$5.22M
408
$5.21M
409
$5.14M
410
$5.14M
411
$5.05M
412
$5.04M
413
$5.04M
414
$5M
415
$4.98M
416
$4.98M
417
$4.96M
418
$4.95M
419
$4.93M
420
$4.89M
421
$4.85M
422
$4.84M
423
$4.82M
424
$4.77M
425
$4.66M