What Changed
Price Move History
- Daily moves over 5%
- 48 124 sessions, November 4, 2025 to November 6, 2026
- Largest daily move
- +60.4% close of October 12, 2026
- 1-year change
- -57.1% closing prices, November 4, 2025 to November 6, 2026
- 1-month change
- +113.8% closing prices, October 1, 2026 to November 6, 2026
Company Description
Quantumsphere Acquisition Rights (NASDAQ: QUMSR) is classified in the blank checks industry.
QUMSR has declined 57.1% over the past year. The last closing price was $0.1287.
For FY2026, Quantumsphere Acquisition Rights reported net income of $978K.
This page collects what Stock Titan holds for QUMSR, including price data, SEC filings, financial highlights, and short interest trends.
Stock Performance
Quantumsphere Acquisition Rights (QUMSR) closed at $0.1287 on November 6, 2026. Over the past 12 months, the price has lost 57.1%.
QUMSR Metrics & Rankings
Price returns through November 6, 2026. Month and year figures include the first trading day. Ranking links may use different dates.
Latest News
SEC Filings
Quantumsphere Acquisition Rights has filed 10 recent SEC filings, including 3 Form 8-K, 2 Form SCHEDULE 13G/A, 2 Form 10-Q, 1 Form SCHEDULE 13G. The most recent filing was submitted on . SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all QUMSR SEC filings →
Financial Highlights
Quantumsphere Acquisition Rights reported operating income of -$1.1M in FY2026, and net income was $978K. The company generated -$947K in operating cash flow. The current ratio was 1.16, measuring current assets divided by current liabilities.
Upcoming Events
Short Interest History
Short interest in Quantumsphere Acquisition Rights (QUMSR) currently stands at 3.8 thousand shares, down 22.1% from the previous reporting period. Since November 2025, short interest has decreased by 61.4%.
Days to Cover History
Days to cover for Quantumsphere Acquisition Rights (QUMSR) currently stands at 1.0 days, down 90.6% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Across the settlements charted above, it has ranged from 1.0 to 331.3 days.
QUMSR Company Profile & Sector Positioning
Quantumsphere Acquisition Rights (QUMSR) and is listed on the NASDAQ.