1,145 hedge funds and large institutions have $62.8B invested in Biogen in 2018 Q3 according to their latest regulatory filings, with 142 funds opening new positions, 345 increasing their positions, 467 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:

more ownership

Funds ownership:

0% more funds holding in top 10

Funds holding in top 10: 2828 (0)

26% less repeat investments, than reductions

Existing positions increased: 345 | Existing positions reduced: 467

41% less call options, than puts

Call options by funds: $1.11B | Put options by funds: $1.88B

Holders
1,145
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.11B
Puts
$1.88B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
751
$602K
752
$601K
753
$591K
754
$587K
755
$587K
756
$583K
757
$581K
758
$562K
759
$560K
760
$558K
761
$550K
762
$548K
763
$541K
764
$538K
765
$534K
766
$532K
767
$530K
768
$530K
769
$523K
770
$514K
771
$514K
772
$513K
773
$513K
774
$512K
775
$506K