782 hedge funds and large institutions have $68.4B invested in Biogen in 2014 Q2 according to their latest regulatory filings, with 81 funds opening new positions, 275 increasing their positions, 302 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

9% less repeat investments, than reductions

Existing positions increased: 275 | Existing positions reduced: 302

25% less call options, than puts

Call options by funds: $814M | Put options by funds: $1.09B

Holders
782
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
36
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$814M
Puts
$1.09B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
451
$1.53M
452
$1.53M
453
$1.53M
454
$1.5M
455
$1.5M
456
$1.46M
457
$1.46M
458
$1.45M
459
$1.44M
460
$1.43M
461
$1.43M
462
$1.38M
463
$1.37M
464
$1.34M
465
$1.32M
466
$1.31M
467
$1.29M
468
$1.26M
469
$1.24M
470
$1.24M
471
$1.22M
472
$1.22M
473
$1.2M
474
$1.19M
475
$1.19M