FilingIndex
SC 13DThe Stakes

Horizon Quantum Holdings Ltd. files SC 13D

Filed Apr 1, 2026 · 3mo ago · Accession 0000950142-26-001035

Plain English

Activist stake — an investor has acquired more than 5% with intent to influence.

Read the source below for the full document.

Filing details
Ticker
HQ
CIK
2088256
Form type
SC 13D
Filing date
Apr 1, 2026
Report date
Document
Size