987 hedge funds and large institutions have $37.1B invested in Biogen in 2019 Q3 according to their latest regulatory filings, with 77 funds opening new positions, 319 increasing their positions, 416 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

18% less first-time investments, than exits

New positions opened: 77 | Existing positions closed: 94

23% less call options, than puts

Call options by funds: $1.07B | Put options by funds: $1.38B

23% less repeat investments, than reductions

Existing positions increased: 319 | Existing positions reduced: 416

Holders
987
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.07B
Puts
$1.38B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
376
$2.79M
377
$2.78M
378
$2.78M
379
$2.77M
380
$2.75M
381
$2.74M
382
$2.73M
383
$2.7M
384
$2.7M
385
$2.64M
386
$2.64M
387
$2.62M
388
$2.6M
389
$2.6M
390
$2.59M
391
$2.58M
392
$2.56M
393
$2.5M
394
$2.49M
395
$2.49M
396
$2.44M
397
$2.42M
398
$2.41M
399
$2.4M
400
$2.38M