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
551
$1.57M
552
$1.57M
553
$1.57M
554
$1.55M
555
$1.55M
556
$1.52M
557
$1.51M
558
$1.51M
559
$1.51M
560
$1.51M
561
$1.49M
562
$1.46M
563
$1.45M
564
$1.45M
565
$1.45M
566
$1.45M
567
$1.43M
568
$1.42M
569
$1.39M
570
$1.39M
571
$1.38M
572
$1.35M
573
$1.35M
574
$1.34M
575
$1.33M