1,013 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, 355 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: 87.76%89.14% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 355

22% less call options, than puts

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

Holders
1,013
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
301
$8.66M
302
$8.61M
303
$8.56M
304
$8.55M
305
$8.52M
306
$8.34M
307
$8.29M
308
$8.22M
309
$8.15M
310
$8.07M
311
$8.06M
312
$8.04M
313
$8M
314
$7.98M
315
$7.93M
316
$7.9M
317
$7.82M
318
$7.81M
319
$7.69M
320
$7.62M
321
$7.58M
322
$7.53M
323
$7.51M
324
$7.51M
325
$7.49M