YMAB

Y-mAbs Therapeutics
YMAB

Delisted

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

97 hedge funds and large institutions have $716M invested in Y-mAbs Therapeutics in 2021 Q3 according to their latest regulatory filings, with 10 funds opening new positions, 41 increasing their positions, 29 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

less funds holding

Funds holding:

17% less capital invested

Capital invested by funds: $866M → $716M (-$150M)

23% less first-time investments, than exits

New positions opened: 10 | Existing positions closed: 13

100% less call options, than puts

Call options by funds: $0 | Put options by funds: $665K

Holders
97
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
$665K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$729K
52
$716K
53
$668K
54
$653K
55
$546K
56
$538K
57
$523K
58
$498K
59
$497K
60
$483K
61
$469K
62
$455K
63
$444K
64
$425K
65
$393K
66
$393K
67
$391K
68
$383K
69
$359K
70
$359K
71
$355K
72
$315K
73
$314K
74
$282K
75
$279K