YMAB

Y-mAbs Therapeutics
YMAB

Delisted

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

42 hedge funds and large institutions have $176M invested in Y-mAbs Therapeutics in 2018 Q4 according to their latest regulatory filings, with 17 funds opening new positions, 10 increasing their positions, 10 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

0% more repeat investments, than reductions

Existing positions increased: 10 | Existing positions reduced: 10

14% less capital invested

Capital invested by funds: $205M → $176M (-$29.7M)

Holders
42
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
Puts
Net Calls
Net Calls Change

Top Sellers

1 -$3.32M
2 -$2.03M
3 -$1.8M
4
Goldman Sachs
Goldman Sachs
New York
-$1.49M
5
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$1.33M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$42.8M
2
$33.1M
3
$31.3M
4
$11.3M
5
$7.92M
6
$7.87M
7
$6.95M
8
$6.3M
9
$5.23M
10
$4.84M
11
$3.96M
12
$2.09M
13
$1.59M
14
$1.53M
15
$1.51M
16
$1.33M
17
$1.02M
18
$797K
19
$761K
20
$637K
21
$374K
22
$365K
23
$305K
24
$256K
25
$223K