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QUMSNasdaqBlank ChecksFiscal year ends March 31Also trades as QUMSR, QUMSU

Quantumsphere Acquisition Corp

Financials through Q1 FY2027, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026
$10.38+0.00 (0.00%)

Close on Oct 19, 2026

Market cap
–
P/E (TTM)
–
Dividend yield
–

About Quantumsphere Acquisition

Blank Checks, SIC 6770

The company is a blank check entity established to execute a merger, capital stock exchange, asset acquisition, share purchase, reorganization, or comparable business combination with one or more operating businesses. As an acquisition vehicle, it does not manufacture commercial products or provide standard commercial services, and it generates no commercial revenue. Instead, its primary business activity involves identifying, evaluating, and negotiating transactions with prospective acquisition candidates, particularly privately held entities seeking entry into public capital markets.

Formed as an exempted company in the Cayman Islands, the organization maintains its legal incorporation there while conducting its administrative and search activities under executive leadership based in the United States. It possesses no retail locations, manufacturing plants, or operational branch facilities. The company operates without geographic boundaries in seeking prospective merger candidates globally, though it targets businesses that can benefit from listing on U.S. exchanges. Its corporate headquarters are not explicitly identified beyond its Cayman Islands registration.

Summary of the business section of Quantumsphere Acquisition's latest annual report, written by StockData.

Company profile

Company

Legal name
Quantumsphere Acquisition Corp
Founded
2024
Headquarters
New York, NY
Address
1185 6th Ave., Suite 304 10036
Phone
(212) 612-1400
Employees
10, Mar 31, 2026
Industry
Blank Checks
Incorporated in
E9
Fiscal year ends
March 31
Auditor
CBIZ CPAs P.C., Morristown, NJ

Stock & identifiers

Ticker
QUMS
Other tickers
QUMSR, QUMSU
Exchange
Nasdaq
IPO date
Aug 7, 2025
Shares outstanding
11M, Aug 14, 2026
Public float
$84.79M, May 31, 2025
Filer category
<br>Emerging growth company
SEC CIK
2070900
EIN
00-0000000

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

NamePositionShares owned
Ping ZhangChairman, CEO, and CFO, Director3,126,650
Daniel M. McCabeDirector–
Qi GongDirector–
Wei ZhangDirector–

Corporate history

Events identified from SEC filings