1,012 hedge funds and large institutions have $59.3B invested in Biogen in 2016 Q3 according to their latest regulatory filings, with 121 funds opening new positions, 338 increasing their positions, 399 reducing their positions, and 67 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:

6% less call options, than puts

Call options by funds: $1.49B | Put options by funds: $1.59B

15% less repeat investments, than reductions

Existing positions increased: 338 | Existing positions reduced: 399

Holders
1,012
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
57
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.49B
Puts
$1.59B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
301
$9.53M
302
$9.43M
303
$9.39M
304
$9.28M
305
$9.12M
306
$9.11M
307
$9.09M
308
$9.06M
309
$8.93M
310
$8.85M
311
$8.79M
312
$8.78M
313
$8.77M
314
$8.77M
315
$8.76M
316
$8.71M
317
$8.69M
318
$8.65M
319
$8.64M
320
$8.59M
321
$8.43M
322
$8.35M
323
$8.21M
324
$8.18M
325
$8.05M