984 hedge funds and large institutions have $32.8B invested in Biogen in 2022 Q3 according to their latest regulatory filings, with 150 funds opening new positions, 276 increasing their positions, 370 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:

2.14% more ownership

Funds ownership: 83.11%85.25% (+2.1%)

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: 370

Holders
984
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
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 +$260M
2 +$142M
3 +$107M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$95.6M
5
Millennium Management
Millennium Management
New York
+$70.3M

Top Sellers

1 -$244M
2 -$131M
3 -$84.5M
4
Renaissance Technologies
Renaissance Technologies
New York
-$83.1M
5
HM
HealthCor Management
New York
-$73M
Name Holding Trade Value Shares
Change
Change in
Stake
651
$351K
652
$350K
653
$350K
654
$346K
655
$344K
656
$343K
657
$342K
658
$341K
659
$339K
660
$336K
661
$335K
662
$333K
663
$329K
664
$325K
665
$324K
666
$324K
667
$323K
668
$323K
669
$317K
670
$317K
671
$316K
672
$314K
673
$314K
674
$314K
675
$310K