982 hedge funds and large institutions have $32.7B invested in Biogen in 2022 Q3 according to their latest regulatory filings, with 150 funds opening new positions, 276 increasing their positions, 369 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

2.2% more ownership

Funds ownership: 82.76%84.97% (+2.2%)

8% more call options, than puts

Call options by funds: $2.02B | Put options by funds: $1.87B

25% less repeat investments, than reductions

Existing positions increased: 276 | Existing positions reduced: 369

Holders
982
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
21
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.02B
Puts
$1.87B
Net Calls
Net Calls Change

Top Buyers

1 +$326M
2 +$179M
3 +$134M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$120M
5
Millennium Management
Millennium Management
New York
+$88.4M

Top Sellers

1 -$307M
2 -$165M
3 -$106M
4
Renaissance Technologies
Renaissance Technologies
New York
-$105M
5
HM
HealthCor Management
New York
-$91.8M
Name Holding Trade Value Shares
Change
Change in
Stake
376
$1.9M
377
$1.9M
378
$1.88M
379
$1.86M
380
$1.86M
381
$1.85M
382
$1.83M
383
$1.82M
384
$1.82M
385
$1.82M
386
$1.8M
387
$1.78M
388
$1.77M
389
$1.75M
390
$1.75M
391
$1.72M
392
$1.71M
393
$1.7M
394
$1.7M
395
$1.68M
396
$1.65M
397
$1.65M
398
$1.62M
399
$1.61M
400
$1.59M