1,096 hedge funds and large institutions have $45.8B invested in Biogen in 2020 Q1 according to their latest regulatory filings, with 112 funds opening new positions, 325 increasing their positions, 474 reducing their positions, and 101 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: $ → $

less funds holding

Funds holding:

0.8% less ownership

Funds ownership: 84.16%83.37% (-0.8%)

18% less call options, than puts

Call options by funds: $1.24B | Put options by funds: $1.51B

31% less repeat investments, than reductions

Existing positions increased: 325 | Existing positions reduced: 474

Holders
1,096
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
49
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.24B
Puts
$1.51B
Net Calls
Net Calls Change

Top Buyers

1 +$719M
2 +$246M
3 +$231M
4
O
OrbiMed
New York
+$132M
5
BlackRock
BlackRock
New York
+$122M
Name Holding Trade Value Shares
Change
Change in
Stake
376
$3.48M
377
$3.48M
378
$3.44M
379
$3.44M
380
$3.42M
381
$3.37M
382
$3.32M
383
$3.28M
384
$3.28M
385
$3.26M
386
$3.19M
387
$3.18M
388
$3.16M
389
$3.16M
390
$3.16M
391
$3.16M
392
$3.13M
393
$3.12M
394
$3.06M
395
$3.06M
396
$3.04M
397
$3.02M
398
$3.01M
399
$2.98M
400
$2.98M