Quantumsphere Acquisition Corp
QUMSU10.180USD
0.000
Market hours （ET）Quotes delayed by 15 min
116.12MMarket Cap
--P/E TTM
More Details of Quantumsphere Acquisition Corp Company
Quantumsphere Acquisition Corporation is a blank check company. The Company is formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses. The Company has not selected any specific Business Combination target, and the Company has not engaged in any substantive discussions, directly or indirectly, with any business combination target. The Company is not engaged in any business operations and has not generated any revenue.
Quantumsphere Acquisition Corp Info
Ticker SymbolQUMSU
Company nameQuantumsphere Acquisition Corp
IPO dateAug 06, 2025
CEOZhang (Ping)
Number of employees- -
Security typeUnit
Fiscal year-end- -
Address1185 6th Avenue
CityNEW YORK
Stock exchangeNASDAQ OMX - NASDAQ BASIC
CountryUnited States of America
Postal code10036
Phone12126121400
Website
Ticker SymbolQUMSU
IPO dateAug 06, 2025
CEOZhang (Ping)
Company Executives of Quantumsphere Acquisition Corp
Name
Name/Position
Position
Shareholding
Change
Mr. Ping Zhang
Mr. Ping Zhang
Chairman of the Board, Chief Executive Officer, Chief Financial Officer and Director
Chairman of the Board, Chief Executive Officer, Chief Financial Officer and Director
--
--
Ms. Qi Gong
Ms. Qi Gong
Independent Director
Independent Director
--
--
Mr. Daniel M. Mccabe
Mr. Daniel M. Mccabe
Independent Director
Independent Director
--
--
Mr. Wei (Victor) Zhang
Mr. Wei (Victor) Zhang
Independent Director
Independent Director
--
--
Name
Name/Position
Position
Shareholding
Change
Mr. Ping Zhang
Mr. Ping Zhang
Chairman of the Board, Chief Executive Officer, Chief Financial Officer and Director
Chairman of the Board, Chief Executive Officer, Chief Financial Officer and Director
--
--
Ms. Qi Gong
Ms. Qi Gong
Independent Director
Independent Director
--
--
Mr. Daniel M. Mccabe
Mr. Daniel M. Mccabe
Independent Director
Independent Director
--
--
Mr. Wei (Victor) Zhang
Mr. Wei (Victor) Zhang
Independent Director
Independent Director
--
--
Revenue Breakdown
Relevant data have not been disclosed by the company yet.
Relevant data have not been disclosed by the company yet.
By Business
By Region
Relevant data have not been disclosed by the company yet.
Shareholding Stats
Updated: Wed, Nov 19
Updated: Wed, Nov 19
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
RiverNorth Capital Management LLC
3.73%
Glazer Capital, LLC
3.69%
Harraden Circle Investments, LLC
3.51%
Linden Advisors L.P.
3.51%
Polar Asset Management Partners Inc.
3.51%
Other
82.06%
Shareholders
Shareholders
Proportion
RiverNorth Capital Management LLC
3.73%
Glazer Capital, LLC
3.69%
Harraden Circle Investments, LLC
3.51%
Linden Advisors L.P.
3.51%
Polar Asset Management Partners Inc.
3.51%
Other
82.06%
Shareholder Types
Shareholders
Proportion
Hedge Fund
24.13%
Investment Advisor/Hedge Fund
13.61%
Investment Advisor
5.78%
Research Firm
5.62%
Corporation
2.00%
Other
48.86%
Institutional Shareholding
Updated: Fri, Sep 12
Updated: Fri, Sep 12
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q3
5
172.06K
1.51%
+110.00K
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
RiverNorth Capital Management LLC
10.00K
0.09%
--
--
Sep 30, 2025
Whiteowl Holdings LLC
228.65K
2%
+228.65K
--
Aug 07, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
RiverNorth Enhanced Pre-Merger SPAC ETF
2.04%
CrossingBridge Pre-Merger SPAC ETF
0%
RiverNorth Enhanced Pre-Merger SPAC ETF
Proportion2.04%
CrossingBridge Pre-Merger SPAC ETF
Proportion0%
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
FAQs
Who are the top five shareholders of Quantumsphere Acquisition Corp?
The top five shareholders of Quantumsphere Acquisition Corp are:
RiverNorth Capital Management LLC holds 10.00K shares, accounting for 0.09% of the total shares.
Whiteowl Holdings LLC holds 228.65K shares, accounting for 2.00% of the total shares.
RiverNorth Capital Management LLC holds 10.00K shares, accounting for 0.09% of the total shares.
Whiteowl Holdings LLC holds 228.65K shares, accounting for 2.00% of the total shares.
What are the top three shareholder types of Quantumsphere Acquisition Corp?
The top three shareholder types of Quantumsphere Acquisition Corp are:
RiverNorth Capital Management LLC
Glazer Capital, LLC
Harraden Circle Investments, LLC
RiverNorth Capital Management LLC
Glazer Capital, LLC
Harraden Circle Investments, LLC
How many institutions hold shares of Quantumsphere Acquisition Corp (QUMSU)?
As of 2025Q3, 5 institutions hold shares of Quantumsphere Acquisition Corp, with a combined market value of approximately 172.06K, accounting for 1.51% of the total shares. Compared to --, institutional shareholding has increased by --.
What is the biggest source of revenue for Quantumsphere Acquisition Corp?
In --, the -- business generated the highest revenue for Quantumsphere Acquisition Corp, amounting to -- and accounting for --% of total revenue.
