What Changed
Price Move History
- Daily moves over 5%
- 36 157 sessions, January 28, 2026 to September 11, 2026
- Largest daily move
- -18.8% close of May 15, 2026
Company Description
QT Imaging Holdings Overview
QT Imaging Holdings, Inc. (Nasdaq: QTI) is a medical device company headquartered in Novato, California. The company is engaged in the research, development and commercialization of body imaging systems that use low-frequency sound waves. Its stated focus is breast health management through radiation-free imaging technology.
QT Imaging's business centers on medical imaging for the detection, diagnosis and treatment of disease. The company's public materials describe its technology as a way to produce breast images without radiation, breast compression or contrast injection. That focus places QTI in the medical device and diagnostic imaging field, with an emphasis on breast imaging rather than a broad hospital equipment portfolio.
Breast Acoustic CT Imaging
The company's principal named system is the Breast Acoustic CT™ Scanner. QT Imaging states that the scanner produces true three-dimensional, radiation-free and compression-free images of the breast using low-energy sound waves. The system is described as providing quantitative imaging biomarkers derived from the intrinsic acoustic properties of breast tissue.
QT Imaging has stated that the Breast Acoustic CT Scanner is FDA-cleared as an adjunctive breast imaging device for women 18 years of age and older. The company also describes the platform as designed to provide accurate imaging for dense breasts without radiation, compression or contrast injection. These attributes are central to how the company explains its role in breast health management.
The Polygon company description also identifies QTviewer as a QT Imaging product. Together with the Breast Acoustic CT Scanner, this gives the company a product identity tied to imaging hardware and image viewing rather than pharmaceuticals, laboratory testing or surgical devices.
Technology Platform
QT Imaging describes its breast imaging platform as quantitative and operator-independent. The company has also referred to development work involving reconstruction, quantitative imaging algorithms, clinical workflow and the QTI Precision Pathway™ cloud platform. Public company communications have described a pathway toward AI-enabled biomarkers and precision diagnostics, while tying those efforts to breast imaging and quantitative analysis.
The company's technology description is based on acoustic properties of tissue, not ionizing radiation. In public releases, QT Imaging has emphasized that its scanner uses low-energy sound waves and avoids compression. The company has also stated that its system can support quantitative biomarkers, which means the imaging output is described in measurable terms rather than only as visual images.
Commercialization and Market Access
QT Imaging is a commercial-stage medical device company in the sense that its public materials discuss scanner shipments, revenue from operations and commercialization activity. The company has described its commercial approach as combining distribution partnerships with direct U.S. commercial and business development capabilities. It has also identified NXC Imaging, Inc., a wholly owned subsidiary of Canon Medical Systems USA, Inc., as part of an existing distribution arrangement.
The company has described its strategy as evolving from a distributor-led sales model toward an integrated commercial model. In its own description, that model is intended to support direct customer engagement, strategic account development, clinical education and market development. These statements should be read as the company's stated commercial framework, not as a guarantee of adoption or financial performance.
Regulatory and Quality Context
Medical device companies depend on regulatory status and quality systems because products used in patient care are subject to oversight. QT Imaging has disclosed that the Breast Acoustic CT Scanner is FDA-cleared as an adjunctive breast imaging device for adult women. The company has also announced that its first routine inspection by the U.S. Food and Drug Administration ended with zero Form 483 observations, and that the inspection reviewed its Quality Management System and related processes.
QT Imaging has also announced regulatory registration from the Israeli Ministry of Health for its scanner, based on its existing U.S. FDA clearance and applicable Israeli regulatory requirements. This disclosure supports the company's stated focus on commercialization of its breast imaging system beyond its U.S. regulatory foundation.
Corporate Profile
QT Imaging Holdings is incorporated in Delaware and trades on Nasdaq under the symbol QTI. SEC filings identify the company as an emerging growth company. Its recent public filings include quarterly reports on Form 10-Q, current reports on Form 8-K and a definitive proxy statement for stockholder voting matters.
As a public medical device issuer, QTI's filings contain information about results of operations, equity incentive plans, executive compensation actions, stockholder meeting matters, financing activity and accounting items related to its business combination and earnout liabilities. These filings are especially relevant because the company is operating in a regulated medical device category where commercialization, capital needs, regulatory status and product development are central to investor analysis.
Associated Private-to-Public Equity Entities
The issuer record also identifies several named Private-to-Public Equity, or PPE, entities with stated acquisition purposes:
- GigInternational1 was formed for the purpose of acquiring a company in TMT, aerospace and defense, mobility and semiconductor industries, with emphasis on the EMEA market.
- GIG2 was formed for the purpose of acquiring a company in the TMT industry.
- GIG3 was formed for the purpose of acquiring a company in the TMT industry.
- GIG4 was formed for the purpose of acquiring a company in the TMT and sustainable industries.
Those PPE entities are distinct from QT Imaging's present medical device operating identity. QTI's company-specific public description, news and filings identify QT Imaging Holdings as a medical device company focused on imaging systems, breast health management and commercialization of its Breast Acoustic CT technology.
Stock Performance
QT Imaging Holdings (QTI) closed at $2.64 on September 11, 2026. Over the past month, the price has lost 8.7%.
QTI Metrics & Rankings
Price returns through September 11, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
QT Imaging Holdings has 10 recent news articles. Of the recent coverage, 5 articles coincided with positive price movement and 5 with negative movement. Key topics include conferences, earnings date. View all QTI news →
SEC Filings
QT Imaging Holdings has filed 5 recent SEC filings, including 2 Form 4, 2 Form 8-K, 1 Form 10-Q. The most recent filing was submitted on September 1, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all QTI SEC filings →
Financial Highlights
QT Imaging Holdings generated $18.9M in revenue in FY2025, retaining a 45.4% gross margin, operating income reached -$4.4M (-23.4% operating margin), and net income was -$21.1M, reflecting a -111.4% net profit margin. Diluted earnings per share stood at -$2.01. The company generated -$9.0M in operating cash flow. With a current ratio of 2.81, the balance sheet reflects a strong liquidity position.
Upcoming Events
Category III CPT effective
CPT code X579T effective
AMA Category III CPT effective
Israel registration expiry
Term loan maturity
Term Loan Maturity
Term Loan Maturity
QT Imaging Holdings has 7 upcoming scheduled events. The next event, "Category III CPT effective", is scheduled for January 1, 2027 (in 109 days). 3 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the QTI stock price.
Short Interest History
Short interest in QT Imaging Holdings (QTI) currently stands at 222.2 thousand shares, up 5.2% from the previous reporting period, representing 2.1% of the float. Since January 2026, short interest has increased by 14.7%. This relatively low short interest suggests limited bearish sentiment. The 6.9 days to cover indicates moderate liquidity for short covering.
Days to Cover History
Days to cover for QT Imaging Holdings (QTI) currently stands at 6.9 days, up 79.4% from the previous period. This moderate days-to-cover ratio suggests reasonable liquidity for short covering, requiring about a week of average trading volume. The days to cover has increased 157.1% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 2.7 to 15.3 days.
QTI Company Profile & Sector Positioning
QT Imaging Holdings (QTI) operates in the Medical Devices industry within the broader Healthcare sector and is listed on the NASDAQ.