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Y-mAbs Therapeutics
YMAB

Overview Fund Activity

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
Holders
96
Holders Change
-6
Holders Change %
-5.88%
% of All Funds
1.29%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
13
Increased
28
Reduced
36
Closed
19
Calls
$151K
Puts
$2K
Net Calls
+$149K
Net Calls Change
-$13K

Top Buyers

1
NCM
1
Nantahala Capital Management
Connecticut
$1.59M
2
ACA
2
Acorn Capital Advisors
New York
$15.4M
3
GCP
3
GSA Capital Partners
United Kingdom
$839K
4
SCM
4
Stonepine Capital Management
Oregon
$1.29M
5
UBS Group
5
UBS Group
Switzerland
$1.03M

Top Sellers

1
Pictet Asset Management
1
Pictet Asset Management
Switzerland
$0
2
Millennium Management
2
Millennium Management
New York
$631K
3
Morgan Stanley
3
Morgan Stanley
New York
$1.32M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$0
5
BlackRock
5
BlackRock
New York
$12.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
A
51
AlphaQuest
New York
$176K – – –
Fidelity Investments
52
Fidelity Investments
Massachusetts
$139K +$7.25K +1,607 +5%
Deutsche Bank
53
Deutsche Bank
Germany
$130K – – –
AA
54
ALPS Advisors
Colorado
$110K -$40K -8,880 -27%
MIM
55
MetLife Investment Management
New Jersey
$98.9K +$21.9K +4,852 +28%
IIM
56
INTECH Investment Management
Florida
$97.8K -$22.6K -5,021 -19%
Mirae Asset Global ETFs Holdings
57
Mirae Asset Global ETFs Holdings
Hong Kong
$95.5K -$4.22K -936 -4%
Wells Fargo
58
Wells Fargo
California
$85.9K +$5.34K +1,185 +7%
T. Rowe Price Associates
59
T. Rowe Price Associates
Maryland
$78K – – –
Citigroup
60
Citigroup
New York
$68.8K -$59.8K -13,268 -47%
State Board of Administration of Florida Retirement System
61
State Board of Administration of Florida Retirement System
Florida
$65.8K – – –
Manulife (Manufacturers Life Insurance)
62
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$59.3K -$3.59K -796 -6%
Squarepoint
63
Squarepoint
New York
$55.2K -$524K -116,294 -90%
PAS
64
Point72 Asia (Singapore)
Singapore
$54.9K -$85.3K -18,917 -61%
HSBC Holdings
65
HSBC Holdings
United Kingdom
$54.8K +$54.8K +11,948 New
TRCT
66
Tower Research Capital (TRC)
New York
$51.8K +$29.2K +6,474 +129%
VOYA Investment Management
67
VOYA Investment Management
Georgia
$48.4K +$2.4K +531 +5%
Los Angeles Capital Management
68
Los Angeles Capital Management
California
$46.4K +$46.4K +10,284 New
New York State Common Retirement Fund
69
New York State Common Retirement Fund
New York
$46K – – –
CUAMC
70
China Universal Asset Management Company
China
$41K +$510 +113 +1%
Raymond James Financial
71
Raymond James Financial
Florida
$34.7K +$34.7K +7,701 New
PFSRSONJ
72
Police & Firemen's Retirement System of New Jersey
New Jersey
$33K – – –
Carson Wealth (CWM LLC)
73
Carson Wealth (CWM LLC)
Nebraska
$32K +$21.4K +4,771 +203%
BIG
74
Brooklyn Investment Group
New York
$22.3K -$4.38K -972 -16%
Legal & General Group
75
Legal & General Group
United Kingdom
$18.6K -$20K -4,444 -52%
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