Quantumsphere Acquisition Co Stock Price, News & Analysis
Company Description
Quantumsphere Acquisition Co (NASDAQ: QUMSR) is a publicly traded company in the Blank Checks sector.
QUMSR stock has declined 5.3% over the past year. Shares last traded at $0.1800.
This page provides a comprehensive overview of QUMSR stock, including real-time price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
Quantumsphere Acquisition Co (QUMSR) stock last traded at $0.1800. Over the past 12 months, the stock has lost 5.3%.
Latest News
SEC Filings
Quantumsphere Acquisition Co has filed 10 recent SEC filings, including 2 Form 8-K, 2 Form 10-Q, 2 Form SCHEDULE 13G/A, 2 Form NT 10-Q. The most recent filing was submitted on March 11, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all QUMSR SEC filings →
Financial Highlights
Upcoming Events
Short Interest History
Short interest in Quantumsphere Acquisition Co (QUMSR) currently stands at 13.4 thousand shares, down 2.5% from the previous reporting period. Over the past 12 months, short interest has decreased by 72.2%. With 13.4 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 Co (QUMSR) currently stands at 13.4 days, up 140.7% 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 1236% 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 16.6 days.
QUMSR Company Profile & Sector Positioning
Quantumsphere Acquisition Co (QUMSR) operates in the Blank Checks sector and is listed on the NASDAQ.