YMAB

Y-mAbs Therapeutics
YMAB

Delisted

YMAB was delisted on the 15th of September, 2025.

109 hedge funds and large institutions have $920M invested in Y-mAbs Therapeutics in 2020 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 40 increasing their positions, 29 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
109
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$26.2M
2 +$14.3M
3 +$7.22M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$6.83M
5
PC
Polar Capital
United Kingdom
+$5.4M

Top Sellers

1 -$18M
2 -$7.22M
3 -$6.8M
4
DCM
Driehaus Capital Management
Illinois
-$4.78M
5
AG
Artal Group
Luxembourg
-$4.32M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$1.36M
52
$1.18M
53
$1.11M
54
$1.09M
55
$889K
56
$828K
57
$808K
58
$791K
59
$791K
60
$738K
61
$734K
62
$701K
63
$681K
64
$680K
65
$636K
66
$590K
67
$580K
68
$566K
69
$561K
70
$450K
71
$450K
72
$401K
73
$400K
74
$365K
75
$364K