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
326
$7.35M
327
$7.29M
328
$7.21M
329
$7.11M
330
$7.07M
331
$7.04M
332
$7.04M
333
$6.98M
334
$6.97M
335
$6.91M
336
$6.89M
337
$6.86M
338
$6.81M
339
$6.8M
340
$6.8M
341
$6.77M
342
$6.76M
343
$6.76M
344
$6.73M
345
$6.41M
346
$6.39M
347
$6.38M
348
$6.37M
349
$6.27M
350
$6.26M