1,098 hedge funds and large institutions have $45.8B invested in Biogen in 2020 Q1 according to their latest regulatory filings, with 112 funds opening new positions, 325 increasing their positions, 476 reducing their positions, and 101 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: $ → $

less funds holding

Funds holding:

0.81% less ownership

Funds ownership: 84.2%83.39% (-0.81%)

18% less call options, than puts

Call options by funds: $1.24B | Put options by funds: $1.51B

32% less repeat investments, than reductions

Existing positions increased: 325 | Existing positions reduced: 476

Holders
1,098
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
49
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.24B
Puts
$1.51B
Net Calls
Net Calls Change

Top Buyers

1 +$690M
2 +$236M
3 +$221M
4
O
OrbiMed
New York
+$126M
5
BlackRock
BlackRock
New York
+$117M
Name Holding Trade Value Shares
Change
Change in
Stake
451
$2.14M
452
$2.13M
453
$2.13M
454
$2.11M
455
$2.1M
456
$2.09M
457
$2.08M
458
$2.07M
459
$2.07M
460
$2.06M
461
$2.05M
462
$2.02M
463
$2M
464
$2M
465
$1.99M
466
$1.97M
467
$1.96M
468
$1.94M
469
$1.92M
470
$1.9M
471
$1.84M
472
$1.83M
473
$1.83M
474
$1.81M
475
$1.81M