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Biogen

818 hedge funds and large institutions have $71B invested in Biogen in 2014 Q3 according to their latest regulatory filings, with 91 funds opening new positions, 312 increasing their positions, 278 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
818
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
41
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$754M
Puts
$1.23B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
576
$603K
577
$602K
578
$599K
579
$599K
580
$588K
581
$583K
582
$580K
583
$578K
584
$577K
585
$576K
586
$567K
587
$564K
588
$558K
589
$556K
590
$547K
591
$545K
592
$545K
593
$543K
594
$534K
595
$531K
596
$529K
597
$529K
598
$526K
599
$522K
600
$522K