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
376
$6.3M
377
$6.29M
378
$6.29M
379
$6.28M
380
$6.27M
381
$6.24M
382
$6.21M
383
$6.21M
384
$6.18M
385
$6.17M
386
$6.04M
387
$5.97M
388
$5.84M
389
$5.75M
390
$5.75M
391
$5.72M
392
$5.66M
393
$5.63M
394
$5.62M
395
$5.61M
396
$5.6M
397
$5.59M
398
$5.51M
399
$5.48M
400
$5.47M