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Quantumsphere Acquisition Corp (QUMS) stock

QUMSNasdaqBlank ChecksFiscal year ends March 31Also trades as QUMSR, QUMSU
Financials through Q1 FY2027, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026
$10.41−0.01 (-0.05%)

Close on Nov 12, 2026Market cap $118.80MP/E –Yield –

Key statistics

Valuation at the latest close; fundamentals over fiscal , balances at Jun 30, 2026

Valuation

Market cap
$118.80M
P/E ratio
–
Price to sales
–
Price to book
–
Dividend yield
–
Free cash flow yield
–

Trading

Previous close
$10.42
Open
$10.41
Day's range
$10.41 – $10.42
Volume
135,839
Average volume (20 days)
50,526
52-week range
$9.97 – $10.42
RSI (14 days)
82.0
Volatility (1 year)
1.5%

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

PeriodQUMSS&P 500DifferenceQUMS per yearS&P 500 per year
1 month+0.5%-2.7%+3.2 pts
3 months+1.1%-1.7%+2.9 pts
Year to date+4.0%+11.9%−7.8 pts
1 year+4.4%+12.0%−7.6 pts

Two years at a glance

Fiscal years 2025 to 2026 and trailing twelve months, USD

Operating income

-$1.24M
Reported periodTrailing twelve months

Press releases

Releases Quantumsphere Acquisition filed with the SEC as exhibits to Form 8-K or 6-K

  1. Entering into an Agreement and Plan of Merger with
    Update
  2. Report of Independent Registered Public Accounting Firm (PCAOB ID: 199)
    News
  3. SACH Pte. Ltd. Announces the Agreement and Plan of Merger with Quantumsphere Acquisition Corporation
    Update
  4. Quantumsphere Acquisition Corporation Announces the Separate Trading of its Ordinary Shares and Rights
    News
  5. Report of Independent Registered Public Accounting Firm (PCAOB ID: 199)
    News
  6. Pricing of $72,000,000 Upsized Initial Public Offering
    News
All press releases and earnings

About Quantumsphere Acquisition

Blank Checks

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.

Company profile, executives and history

Quantumsphere Acquisition stock: common questions

What is Quantumsphere Acquisition's stock price?

QUMS closed at $10.41 on Nov 12, 2026, down 0.05% on the day. Over the past 52 weeks it traded between $9.97 and $10.42.

What is Quantumsphere Acquisition's market cap?

Quantumsphere Acquisition was worth $118.80M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.

Does Quantumsphere Acquisition pay a dividend?

No. Quantumsphere Acquisition has not paid a cash dividend over the last twelve months.

How has QUMS stock performed over the past year?

Including dividends, QUMS returned +4.4% over the past year, against +12.0% for the S&P 500.

Who are Quantumsphere Acquisition's competitors?

Companies most similar to Quantumsphere Acquisition by business, industry and size include QSEA, DTSQ, ALOV, SCII, RNGT.

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