1,096 hedge funds and large institutions have $51.9B invested in Biogen in 2018 Q2 according to their latest regulatory filings, with 82 funds opening new positions, 419 increasing their positions, 413 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,096
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
$755M
Puts
$1.28B
Net Calls
Net Calls Change

Top Buyers

1 +$193M
2 +$192M
3 +$115M
4
ClearBridge Investments
ClearBridge Investments
New York
+$98.9M
5
Invesco
Invesco
Georgia
+$88.1M
Name Holding Trade Value Shares
Change
Change in
Stake
401
$4.26M
402
$4.26M
403
$4.25M
404
$4.24M
405
$4.22M
406
$4.2M
407
$4.19M
408
$4.09M
409
$4.09M
410
$4.08M
411
$4.06M
412
$4.02M
413
$3.99M
414
$3.92M
415
$3.92M
416
$3.85M
417
$3.83M
418
$3.83M
419
$3.78M
420
$3.77M
421
$3.71M
422
$3.67M
423
$3.66M
424
$3.61M
425
$3.61M