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Biogen

1,001 hedge funds and large institutions have $36B invested in Biogen in 2023 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 319 increasing their positions, 360 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

less ownership

Funds ownership:

7% less call options, than puts

Call options by funds: $555M | Put options by funds: $599M

5% less funds holding in top 10

Funds holding in top 10: 1918 (-1)

11% less repeat investments, than reductions

Existing positions increased: 319 | Existing positions reduced: 360

Holders
1,001
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
18
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$555M
Puts
$599M
Net Calls
Net Calls Change

Top Buyers

1 +$968M
2 +$253M
3 +$174M
4
Alyeska Investment Group
Alyeska Investment Group
Illinois
+$105M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$103M

Top Sellers

1 -$639M
2 -$273M
3 -$150M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$139M
5
Millennium Management
Millennium Management
New York
-$134M
Name Holding Trade Value Shares
Change
Change in
Stake
576
$569K
577
$568K
578
$558K
579
$552K
580
$550K
581
$549K
582
$548K
583
$545K
584
$544K
585
$541K
586
$538K
587
$537K
588
$534K
589
$531K
590
$530K
591
$530K
592
$522K
593
$520K
594
$518K
595
$516K
596
$516K
597
$514K
598
$514K
599
$512K
600
$498K