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Biogen

1,100 hedge funds and large institutions have $45B invested in Biogen in 2019 Q4 according to their latest regulatory filings, with 203 funds opening new positions, 272 increasing their positions, 469 reducing their positions, and 69 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:

2.67% less ownership

Funds ownership: 86.83%84.16% (-2.7%)

30% less call options, than puts

Call options by funds: $1.27B | Put options by funds: $1.82B

42% less repeat investments, than reductions

Existing positions increased: 272 | Existing positions reduced: 469

Holders
1,100
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.27B
Puts
$1.82B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
426
$2.38M
427
$2.37M
428
$2.37M
429
$2.37M
430
$2.33M
431
$2.32M
432
$2.28M
433
$2.23M
434
$2.23M
435
$2.23M
436
$2.22M
437
$2.19M
438
$2.18M
439
$2.18M
440
$2.16M
441
$2.15M
442
$2.11M
443
$2.09M
444
$2.09M
445
$2.08M
446
$2.08M
447
$2.08M
448
$2.08M
449
$2.08M
450
$2.08M