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
26
$5.48M
27
$5.32M
28
$4.54M
29
$4.52M
30
$4.52M
31
$3.84M
32
$3.67M
33
$3.54M
34
$3.43M
35
$3.31M
36
$2.99M
37
$2.9M
38
$2.78M
39
$2.5M
40
$2.34M
41
$2.25M
42
$2.17M
43
$2.13M
44
$1.95M
45
$1.94M
46
$1.92M
47
$1.81M
48
$1.6M
49
$1.4M
50
$1.37M