Quantumsphere Acquisition Corp - Ordinary Shares, par value $0.0001 per share (QUMS) Institutional Ownership

13F Institutional Holders and Ownership History for Q3 2025

Type / Class
Equity / Ordinary Shares, par value $0.0001 per share
Symbol
QUMS on Nasdaq
Shares outstanding
11,320,755
Price per share
$10.01
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
851,333
Total reported value
$8,479,534
% of total 13F portfolios
0%
Share change
+849,934
Value change
+$8,465,600
Number of holders
4
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Quantumsphere Acquisition Corp - Ordinary Shares, par value $0.0001 per share (QUMS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Whiteowl Holdings LLC 27% 3,126,650 Whiteowl Holdings LLC 05 Aug 2025
HIGHBRIDGE CAPITAL MANAGEMENT LLC 5.3% 600,000 HIGHBRIDGE CAPITAL MANAGEMENT LLC 30 Sep 2025
WOLVERINE ASSET MANAGEMENT LLC 5% 574,171 WOLVERINE ASSET MANAGEMENT LLC 31 Oct 2025

As of 30 Sep 2025, 4 institutional investors reported holding 851,333 shares of Quantumsphere Acquisition Corp - Ordinary Shares, par value $0.0001 per share (QUMS). This represents 7.5% of the company’s total 11,320,755 outstanding shares.

Institutional Holders of Quantumsphere Acquisition Corp - Ordinary Shares, par value $0.0001 per share (QUMS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 851,333 $8,479,534 +$8,465,600 $9.96 4