Quantumsphere Acquisition Rights (QUMSR) Stock Price, News & Analysis
Price Move History
- Daily moves over 5%
- 53 135 sessions, September 30, 2025 to September 15, 2026
- Largest daily move
- -52.8% close of September 2, 2026
Company Description
Quantumsphere Acquisition Rights (NASDAQ: QUMSR) is classified in the blank checks industry.
QUMSR has declined 71.2% so far this year. The last closing price was $0.0605.
For FY2026, Quantumsphere Acquisition Rights reported net income of $978K.
This page collects what Stock Titan holds for QUMSR, including price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
Quantumsphere Acquisition Rights (QUMSR) closed at $0.0605 on September 15, 2026. So far this year, the price has lost 71.2%.
QUMSR Metrics & Rankings
Price returns through September 15, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
SEC Filings
Quantumsphere Acquisition Rights has filed 5 recent SEC filings, including 1 Form 8-K, 1 Form 10-Q, 1 Form SCHEDULE 13G, 1 Form 10-K/A. The most recent filing was submitted on September 2, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all QUMSR SEC filings →
Financial Highlights
operating income reached -$1.1M, and net income was $978K. The company generated -$947K in operating cash flow. With a current ratio of 1.16, the company maintains adequate short-term liquidity.
Upcoming Events
Short Interest History
Short interest in Quantumsphere Acquisition Rights (QUMSR) currently stands at 6.7 thousand shares, down 4.4% from the previous reporting period. Since October 2025, short interest has decreased by 86.1%. With 21.8 days to cover, it would take significant time for short sellers to close their positions based on average trading volume.
Days to Cover History
Days to cover for Quantumsphere Acquisition Rights (QUMSR) currently stands at 21.8 days, up 2075% from the previous period. This elevated days-to-cover ratio indicates it would take over two weeks of average trading volume for short sellers to exit their positions, suggesting potential for a short squeeze if positive news emerges. The days to cover has increased 2075% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.0 to 331.3 days.
QUMSR Company Profile & Sector Positioning
Quantumsphere Acquisition Rights (QUMSR) and is listed on the NASDAQ.