986 hedge funds and large institutions have $37.1B invested in Biogen in 2019 Q3 according to their latest regulatory filings, with 77 funds opening new positions, 319 increasing their positions, 415 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

18% less first-time investments, than exits

New positions opened: 77 | Existing positions closed: 94

23% less call options, than puts

Call options by funds: $1.07B | Put options by funds: $1.38B

23% less repeat investments, than reductions

Existing positions increased: 319 | Existing positions reduced: 415

Holders
986
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.07B
Puts
$1.38B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
301
$5.4M
302
$5.37M
303
$5.33M
304
$5.25M
305
$5.24M
306
$5.23M
307
$5.22M
308
$5.12M
309
$5.01M
310
$5M
311
$4.93M
312
$4.79M
313
$4.79M
314
$4.66M
315
$4.57M
316
$4.45M
317
$4.45M
318
$4.44M
319
$4.43M
320
$4.42M
321
$4.35M
322
$4.33M
323
$4.29M
324
$4.25M
325
$4.17M