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
1
$101M
2
$99.9M
3
$94.8M
4
$68M
5
$56.6M
6
$53.6M
7
$41.3M
8
$38.3M
9
$33.4M
10
$27.1M
11
$26.2M
12
$25.1M
13
$21.9M
14
$16.4M
15
$15.5M
16
$15.4M
17
$14.6M
18
$14.4M
19
$13M
20
$12.2M
21
$8.25M
22
$7.13M
23
$6.55M
24
$6.38M
25
$6.09M