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Biogen

656 hedge funds and large institutions have $52.6B invested in Biogen in 2013 Q3 according to their latest regulatory filings, with 73 funds opening new positions, 227 increasing their positions, 253 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

less call options, than puts

Call options by funds: $ | Put options by funds: $

10% less repeat investments, than reductions

Existing positions increased: 227 | Existing positions reduced: 253

17% less funds holding in top 10

Funds holding in top 10: 2924 (-5)

Holders
656
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$619M
Puts
$689M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
576
$217K
577
$216K
578
$214K
579
$214K
580
$211K
581
$209K
582
$208K
583
$203K
584
$202K
585
$189K
586
$189K
587
$178K
588
$164K
589
$156K
590
$149K
591
$132K
592
$126K
593
$122K
594
$120K
595
$120K
596
$120K
597
$112K
598
$111K
599
$111K
600
$99K