1,144 hedge funds and large institutions have $62.8B invested in Biogen in 2018 Q3 according to their latest regulatory filings, with 142 funds opening new positions, 345 increasing their positions, 466 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

0% more funds holding in top 10

Funds holding in top 10: 2828 (0)

26% less repeat investments, than reductions

Existing positions increased: 345 | Existing positions reduced: 466

41% less call options, than puts

Call options by funds: $1.11B | Put options by funds: $1.88B

Holders
1,144
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.11B
Puts
$1.88B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
326
$9.01M
327
$8.83M
328
$8.78M
329
$8.73M
330
$8.73M
331
$8.69M
332
$8.62M
333
$8.6M
334
$8.52M
335
$8.4M
336
$8.27M
337
$8.17M
338
$8M
339
$7.96M
340
$7.95M
341
$7.75M
342
$7.57M
343
$7.56M
344
$7.45M
345
$7.43M
346
$7.43M
347
$7.43M
348
$7.41M
349
$7.36M
350
$7.32M