QUMS

Quantumsphere Acquisition Corp
—

Company Information

Company Name
Quantumsphere Acquisition Corp
CIK
CIK0002070900
Category
<br>Emerging growth company
Ticker: Exchange
QUMS: Nasdaq, QUMSR: Nasdaq, QUMSU: Nasdaq
Fiscal Year End
March 31
Owner Organization
05 Real Estate & Construction
SIC
6770
SIC Description
Blank Checks
Ticker
QUMS

SEC filing data through

Insider Sentiment

Last purchase
—
Last sale
—
Shares purchased (TTM)
0
Shares sold (TTM)
0
Buy ratio (TTM)—

Institutional Sentiment

As of
2026-06-30
Institutional shares owned
7,433,535
Shares outstanding
8,280,000
Ownership
89.78%

Earnings Market Reaction

Filing date
2026-08-14
Price on filing date
—
1-month reaction
0.19%
3-month reaction
…
Drift continued3/3 (100%)
Faded / reversed0/3 (0%)

Balance Sheet

Values in millions ($)
Line item2026-06-302026-03-312025-12-312025-09-302025-06-30Subscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnTrend
Cash00000
Prepaid Expense Current000--
Assets Current00010
Assets
Assets868585840
Deferred Offering Costs----0
Prepaid Expense Noncurrent000--
Investments86858483-
Accrued Liabilities Current00000
Liabilities Current00000
Liabilities4433-
Commitments And Contingencies Disclosure
Temporary Equity Carrying Amount Attributable To Parent-85---
Temporary Equity Value Excluding Additional Paid In Capital86-8483-
Common Stock Value00000
Additional Paid In Capital----0
Retained Earnings Accumulated Deficit-3-3-3-3-0
Stockholders Equity-3-3-3-3-0
Liabilities And Stockholders Equity868585840
Temporary Equity Shares Authorized-8---
Temporary Equity Redemption Price Per Share10.3410.2510.1610.06-
Common Stock Par Or Stated Value Per Share0.000.000.000.000.00
Common Stock Shares Authorized500500500500500
Common Stock Shares Issued-3-33
Shares Outstanding33333

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Recent filings

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Quantumsphere Acquisition Corp (QUMS) — SEC Financial Statements & Analysis

Quantumsphere Acquisition Corp (QUMS) is a blank checks company, incorporated in E9. Quantumsphere Acquisition Corp trades on Nasdaq as: QUMS, QUMSR, QUMSU. Quantumsphere Acquisition Corp (QUMS)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-14. Based on that filing, Quantumsphere Acquisition Corp carries a market cap of $84.62M, a P/E ratio of 53.98x, a P/B ratio of -24.83x, a P/S ratio of 12339.11x, an enterprise value of $84.62M, and an EV/EBITDA multiple of -68.36x. On profitability, it posts an operating margin of -18050.12%, a net margin of 22860.43%, a Return on Equity (ROE) of -91.82%, and a Return on Assets (ROA) of 3.65%. Per share, it reports EPS of $0.19, diluted EPS of $0.19, free cash flow per share of $-0.14, and a dividend per share of $0.00. On the balance sheet, it maintains a current ratio of 0.37x, a quick ratio of 0.02x, working capital of $-143.04K, a debt-to-equity ratio of -1.04x, a debt ratio of 0.04, free cash flow of $-1.15M (TTM), and net debt of $-4.90K. Figures sourced from SEC EDGAR.

Market Cap
$84.62M
P/E TTM
53.98x
EPS TTM
$0.19
P/B TTM
-24.83x
ROE TTM
-91.82%
ROA TTM
3.65%
Debt To Equity
-1.04x
Free Cash Flow TTM
$-1.15M

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is Quantumsphere Acquisition Corp in?

Quantumsphere Acquisition Corp (QUMS) operates in the Blank Checks industry.

What exchange does QUMS trade on?

Quantumsphere Acquisition Corp (QUMS) trades on the Nasdaq.

Where is Quantumsphere Acquisition Corp incorporated?

Quantumsphere Acquisition Corp is incorporated in Cayman Islands.

When was Quantumsphere Acquisition Corp (QUMS)'s most recent SEC filing?

Quantumsphere Acquisition Corp (QUMS)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-14.

What is QUMS's market cap?

Quantumsphere Acquisition Corp (QUMS) has a market capitalization of $84.62M as of 2026-06-30.

What is QUMS's P/E ratio?

Quantumsphere Acquisition Corp (QUMS)'s trailing twelve month P/E ratio is 53.98x as of 2026-06-30.

What is QUMS's EPS (earnings per share)?

Quantumsphere Acquisition Corp (QUMS)'s trailing twelve month EPS is $0.19 as of 2026-06-30.

What is QUMS's ROE (return on equity)?

Quantumsphere Acquisition Corp (QUMS)'s trailing twelve month Return on Equity (ROE) is -91.82% as of 2026-06-30.

What is QUMS's ROA (return on assets)?

Quantumsphere Acquisition Corp (QUMS)'s trailing twelve month Return on Assets (ROA) is 3.65% as of 2026-06-30.

What is QUMS's EV/EBITDA?

Quantumsphere Acquisition Corp (QUMS)'s trailing twelve month EV/EBITDA is -68.36x as of 2026-06-30.

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