YMAB

Y-mAbs Therapeutics
YMAB

Delisted

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

105 hedge funds and large institutions have $339M invested in Y-mAbs Therapeutics in 2024 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 38 increasing their positions, 28 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
105
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$563K
Puts
$5K
Net Calls
Net Calls Change

Top Buyers

1 +$10.5M
2 +$8.06M
3 +$5.33M
4
PBA
Paradigm Biocapital Advisors
New York
+$2.84M
5
BFM
Boothbay Fund Management
New York
+$2.47M

Top Sellers

1 -$3.66M
2 -$3.47M
3 -$3.26M
4
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$2.85M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$1.83M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$403K
52
$399K
53
$388K
54
$367K
55
$360K
56
$359K
57
$358K
58
$347K
59
$297K
60
$291K
61
$279K
62
$267K
63
$267K
64
$259K
65
$249K
66
$224K
67
$214K
68
$210K
69
$204K
70
$192K
71
$191K
72
$187K
73
$185K
74
$178K
75
$169K