NASDAQ · Shell Companies · USD

Quantumsphere Acquisition Corporation (QUMS) Stock Analysis

Quantumsphere Acquisition Corporation (QUMS) is a Shell Companies stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

QUMS

$10.38

$0.00 (0.00%)

Oct 21, 2026 · Market close

Compare

Price History

Hover for the daily close. The dotted line marks the period open.

Compare QUMS with… →

QUMS Key Statistics

As of Oct 21, 2026

Trading

Open: $10.38
Previous Close: $10.38
52-Week Range: 9.97–10.38
Volume: 7.56K

Valuation

Market Cap: $118.40M
P/E Ratio: 69.20
EPS (ttm): 0.15

Financials (FY)

Revenue (FY): $0.00
Net Income (FY): $978.21K
Shares Outstanding: 11.41M
1-Year Return: +4.11%

Dividend and dates

Avg Volume: 28.58K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, QUMS closed at $10.38, +4.11% over 1 year.

Quantumsphere Acquisition Corporation (QUMS) has a market capitalization of $118.40M.

QUMS Stock Return by Calendar Year

Quantumsphere Acquisition Corporation (QUMS) return since Sep 2025: what $10,000 became

1 year: $10,000 $10,411; +4.11%
Since Sep 2025: $10,000 $10,422; +4.22%

If you had invested $10,000 in Quantumsphere Acquisition Corporation (QUMS) at the close on September 30, 2025, the earliest close on record here, it would have been worth $10,422 at the close on October 21, 2026: +4.22% in total, +3.99% a year, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

Year	Return
2026 (partial year)	+3.70%
2025 (partial year)	+0.50%

As of October 21, 2026.

QUMS Valuation vs Shell Companies Median

Median of 309 stocks

Metric	QUMS	Shell Companies median	vs median
P/E	69.20	49.16	41% above

Medians across 309 Shell Companies stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Recent News

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

The market values Quantumsphere Acquisition Corporation (QUMS) at $118.40M. It is classified in the Shell Companies industry, within the Financial Services sector.

The 52-week range on file runs from $9.97 to $10.38. The most recent close on file for QUMS is $10.38, dated October 21, 2026. The close was unchanged from the previous session. The latest close sits 4.11% above that 52-week low.

Financial Health

In fiscal 2025, Quantumsphere Acquisition Corporation reported revenue of $0.00. The same year closed with net income of $978.21K. Trailing earnings per share are 0.15.

Valuation Assessment

The trailing P/E ratio stands at 69.2. That is 40.78% above the Shell Companies median of 49.16. 309 Shell Companies companies report these metrics, and the medians quoted come from that group.

The trailing one-year total return is +4.11%. Daily returns over the trailing 1 year annualize to a volatility of 1.47%.

Growth & Income

The record shows no dividend for QUMS.

So far in 2026 the total return is +3.70%.

Peer Comparison

Quantumsphere Acquisition Corporation (QUMS) operates in the Shell Companies industry. Here is how it compares to its closest peers by market capitalization:

Company	Ticker	Market Cap	P/E Ratio
Quantumsphere Acquisition Corporation	QUMS	$118.40M	69.2
Vylor Inc.	VYLR	$49.89B	106.8
Drugs Made In America Acquisition II Corp.	DMII	$649.10M	34.0
Churchill Capital Corp XI	CCXI	$621.61M	—

The Shell Companies industry average P/E ratio is 49.2x. Quantumsphere Acquisition Corporation trades at a P/E of 69.2.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

Related Shell Companies Stocks

VYLR

Vylor Inc.

$49.89B

DMII

Drugs Made In America Acquisition II Corp.

$649.10M

CCXI

Churchill Capital Corp XI

$621.61M

EVAC

EQV Ventures Acquisition Corp. II

$603.77M

BCSS

Bain Capital GSS Investment Corp.

$596.26M

CEPF

Cantor Equity Partners IV, Inc.

$587.79M

View all Shell Companies stocks →

Popular Financial Services Stocks

BRK-B

Berkshire Hathaway Inc.

$1.11T

JPM

JPMorgan Chase & Co.

$890.13B

Visa Inc.

$765.68B

Mastercard Incorporated

$545.42B

BAC

Bank of America Corporation

$358.24B

View all Financial Services stocks →

About Quantumsphere Acquisition Corporation

Quantumsphere Acquisition Corporation does not have significant operations. It intends to effect a merger, share exchange, asset acquisition, share purchase, recapitalization, reorganization, or similar business combination with one or more businesses. The company was incorporated in 2024 and is based in New York, New York.