Whiteowl Holdings LLC - 05 Aug 2025 SCHEDULE 13D Report for Quantumsphere Acquisition Corp Class A Ordinary Share, par value $0.0001 per share (QUMS)

Filing Manager
Whiteowl Holdings LLC
Reporting Manager
Whiteowl Holdings LLC
Security
Quantumsphere Acquisition Corp Class A Ordinary Share, par value $0.0001 per share
Symbol
QUMS
Shares outstanding
11,406,968 shares
Disclosed Ownership
3,126,650 shares
Ownership
27%
Form type
SCHEDULE 13D
Filing time
15 Sep 2025, 17:00:40 UTC
Date of event
05 Aug 2025
SEC
View on sec.gov

Quoteable Key Fact

"Whiteowl Holdings LLC disclosed 27% ownership in Quantumsphere Acquisition Corp Class A Ordinary Share, par value $0.0001 per share (QUMS) on 05 Aug 2025."

Quick Takeaways

  • Whiteowl Holdings LLC filed SCHEDULE 13D for Quantumsphere Acquisition Corp Class A Ordinary Share, par value $0.0001 per share (QUMS).
  • Disclosed ownership: 27%.
  • Date of event: 05 Aug 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 15 Sep 2025, 17:00.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Whiteowl Holdings LLC 27% 3,126,650 3,126,650 0 /s/ Ping Zhang Ping Zhang/Chief Executive Officer and Chairman 0002068027