1,014 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 356 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

1.38% more ownership

Funds ownership: 87.77%89.15% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 356

22% less call options, than puts

Call options by funds: $974M | Put options by funds: $1.24B

Holders
1,014
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
38
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$974M
Puts
$1.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
351
$6.24M
352
$6.22M
353
$6.14M
354
$5.99M
355
$5.94M
356
$5.94M
357
$5.94M
358
$5.88M
359
$5.85M
360
$5.72M
361
$5.72M
362
$5.5M
363
$5.39M
364
$5.38M
365
$5.35M
366
$5.32M
367
$5.28M
368
$5.23M
369
$5.18M
370
$5.17M
371
$5.17M
372
$5.17M
373
$5.09M
374
$5.07M
375
$4.92M