Schedule 13G ownership disclosure

Y-MABS THERAPEUTICS INC

Common Stock, $0.0001 par value · CUSIP: 984241109

Event date: 2025-09-30

Filing-level shares
0.00
Percent of class
0%
  • HBM Healthcare Investments (Cayman) Ltd.

    Shares: 0.00 · Class: 0%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0001104659-25-112490
Form type
SCHEDULE 13G/A
Filer
HBM Healthcare Investments (Cayman) Ltd.
CIK
CIK 1232258
Filed
Nov 14, 2025
Reporting period
Sep 30, 2025
Description
Schedule 13G beneficial ownership

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