YMAB

Y-mAbs Therapeutics
YMAB

Delisted

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

96 hedge funds and large institutions have $126M invested in Y-mAbs Therapeutics in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 28 increasing their positions, 36 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

less capital invested

Capital invested by funds: $ → $

less ownership

Funds ownership:

6% less funds holding

Funds holding: 10296 (-6)

22% less repeat investments, than reductions

Existing positions increased: 28 | Existing positions reduced: 36

32% less first-time investments, than exits

New positions opened: 13 | Existing positions closed: 19

Holders
96
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
$151K
Puts
$2K
Net Calls
Net Calls Change

Top Sellers

1 -$1.96M
2 -$1.47M
3 -$933K
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$904K
5
BlackRock
BlackRock
New York
-$692K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$19.1M
2
$15.4M
3
$12.4M
4
$10.6M
5
$9.9M
6
$8.76M
7
$8.07M
8
$3.83M
9
$3.52M
10
$3.13M
11
$2.33M
12
$1.86M
13
$1.59M
14
$1.58M
15
$1.39M
16
$1.32M
17
$1.29M
18
$1.25M
19
$1.24M
20
$1.14M
21
$1.03M
22
$960K
23
$936K
24
$839K
25
$740K