1,098 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, 476 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:

0.81% less ownership

Funds ownership: 84.2%83.39% (-0.81%)

18% less call options, than puts

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

32% less repeat investments, than reductions

Existing positions increased: 325 | Existing positions reduced: 476

Holders
1,098
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 +$690M
2 +$236M
3 +$221M
4
O
OrbiMed
New York
+$126M
5
BlackRock
BlackRock
New York
+$117M
Name Holding Trade Value Shares
Change
Change in
Stake
276
$8.31M
277
$8.14M
278
$7.91M
279
$7.83M
280
$7.79M
281
$7.78M
282
$7.75M
283
$7.7M
284
$7.56M
285
$7.47M
286
$7.37M
287
$7.34M
288
$7.34M
289
$7.24M
290
$7.22M
291
$7.21M
292
$7.16M
293
$7.04M
294
$6.58M
295
$6.53M
296
$6.51M
297
$6.42M
298
$6.42M
299
$6.34M
300
$6.33M