1,024 hedge funds and large institutions have $53.8B invested in Biogen in 2016 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 364 increasing their positions, 400 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

9% less capital invested

Capital invested by funds: $59.3B → $53.8B (-$5.52B)

13% less call options, than puts

Call options by funds: $1.52B | Put options by funds: $1.74B

28% less funds holding in top 10

Funds holding in top 10: 5741 (-16)

Holders
1,024
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
$1.52B
Puts
$1.74B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
326
$7.18M
327
$7.12M
328
$7.09M
329
$7.08M
330
$7M
331
$6.96M
332
$6.93M
333
$6.88M
334
$6.84M
335
$6.83M
336
$6.81M
337
$6.77M
338
$6.72M
339
$6.64M
340
$6.63M
341
$6.6M
342
$6.53M
343
$6.53M
344
$6.52M
345
$6.5M
346
$6.33M
347
$6.32M
348
$6.26M
349
$6.25M
350
$6.25M