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
276
$8.14M
277
$7.91M
278
$7.83M
279
$7.79M
280
$7.78M
281
$7.75M
282
$7.7M
283
$7.56M
284
$7.47M
285
$7.37M
286
$7.34M
287
$7.34M
288
$7.24M
289
$7.22M
290
$7.21M
291
$7.16M
292
$7.04M
293
$6.58M
294
$6.53M
295
$6.51M
296
$6.42M
297
$6.42M
298
$6.34M
299
$6.33M
300
$6.33M