YMAB

Y-mAbs Therapeutics
YMAB

Delisted

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

102 hedge funds and large institutions have $128M invested in Y-mAbs Therapeutics in 2025 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 40 increasing their positions, 28 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

35% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 26

43% less capital invested

Capital invested by funds: $225M → $128M (-$97.9M)

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
102
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
$171K
Puts
$9K
Net Calls
Net Calls Change

Top Buyers

1 +$2.55M
2 +$1.91M
3 +$1.65M
4
Morgan Stanley
Morgan Stanley
New York
+$795K
5
Bank of America
Bank of America
North Carolina
+$687K
Name Holding Trade Value Shares
Change
Change in
Stake
Invesco
51
Invesco
Georgia
$144K
PAS
52
Point72 Asia (Singapore)
Singapore
$138K
Fidelity Investments
53
Fidelity Investments
Massachusetts
$130K
Deutsche Bank
54
Deutsche Bank
Germany
$128K
Citigroup
55
Citigroup
New York
$126K
ETC
56
Exchange Traded Concepts
Oklahoma
$119K
IIM
57
INTECH Investment Management
Florida
$118K
Man Group
58
Man Group
United Kingdom
$115K
BCM
59
Bridgeway Capital Management
Texas
$110K
Principal Financial Group
60
Principal Financial Group
Iowa
$99.4K
Mirae Asset Global ETFs Holdings
61
Mirae Asset Global ETFs Holdings
Hong Kong
$98K
GCP
62
GSA Capital Partners
United Kingdom
$91K
CF
63
Corebridge Financial
Texas
$81.1K
Wells Fargo
64
Wells Fargo
California
$79.1K
T. Rowe Price Associates
65
T. Rowe Price Associates
Maryland
$77K
MIM
66
MetLife Investment Management
New Jersey
$75.6K
State Board of Administration of Florida Retirement System
67
State Board of Administration of Florida Retirement System
Florida
$64.7K
BCM
68
Bayesian Capital Management
New York
$63.7K
AI
69
Atom Investors
Texas
$62.6K
Manulife (Manufacturers Life Insurance)
70
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$61.8K
SG Americas Securities
71
SG Americas Securities
New York
$59K
EC
72
EntryPoint Capital
New York
$56.1K
CC
73
Corton Capital
Ontario, Canada
$55.1K
Connor, Clark & Lunn Investment Management (CC&L)
74
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$49.1K
VOYA Investment Management
75
VOYA Investment Management
Georgia
$45.2K