International Isotopes (INIS) Stock Price, News & Analysis

Company Overview

International Isotopes Inc. manufactures and sells nuclear medicine calibration and reference standards, cobalt-60 products, and radiopharmaceutical and radiochemical contract manufacturing services in the United States and internationally. It operates through four segments: Nuclear Medicine Standards, Cobalt Products, Radiochemical Products, and Fluorine Products. The Nuclear Medicine Standards segment manufactures sources and standards associated with single photon emission computed and positron emission tomography imaging, patient positioning, and calibration or operational testing of dose measuring equipment for the nuclear pharmacy industry. This segment also offers flood sources, dose calibrators, rod sources, flexible and rigid rulers, spot and pen point markers, and various specialty design items. The Cobalt Products segment produces bulk cobalt; fabricates cobalt capsules for radiation therapy and various industrial applications; and recycles expended cobalt sources. The Radiochemical Products segment produces and distributes various isotopically pure radiochemicals and sodium iodide I-131 generic drug product for medical, industrial, and research applications. The Fluorine Products segment is involved in the production of small-scale qualification samples of high purity fluoride gas for various industrial applications, as well as development of laboratory and analytical processes required to support the planned uranium de-conversion and fluorine extraction facility. The company sells its products directly to end users and distributors. International Isotopes Inc. was incorporated in 1995 and is headquartered in Idaho Falls, Idaho.

Key Stats

• Today's Range: $0.08 to $0.08
• 50-Day Range: $0.06 to $0.11
• 52-Week Range: $0.03 to $0.11
• Volume: 4,600 shs
• Average Volume: 98,926 shs
• Market Capitalization: $42.25 million
• P/E Ratio: N/A
• Dividend Yield: N/A
• Price Target: N/A
• Consensus Rating: N/A

INIS Stock Analysis - Frequently Asked Questions

How have INIS shares performed this year?

International Isotopes' stock was trading at $0.0344 at the beginning of 2025. Since then, INIS stock has increased by 132.6% and is now trading at $0.08.

How were International Isotopes' earnings last quarter?

International Isotopes Inc. (OTCMKTS:INIS) issued its earnings results on Monday, April, 2nd. The technology company reported $0.00 earnings per share for the quarter. The technology company earned $1.90 million during the quarter. International Isotopes had a trailing twelve-month return on equity of 2.87% and a net margin of 0.83%.

How do I buy shares of International Isotopes?

Shares of INIS stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

What other stocks do shareholders of International Isotopes own?

Based on aggregate information from My MarketBeat watchlists, some other companies that International Isotopes investors own include Chembio Diagnostics (CEMI), Prospect Capital (PSEC), Calumet (CLMT), Two Harbors Investments (TWO), BlackRock Capital Investment (BKCC), NovoCure (NVCR) and Summit Midstream Partners (SMLP).

Company Calendar

• Last Earnings: 4/02/2018
• Today: 8/31/2025
• Next Earnings (Estimated): 11/10/2025
• Fiscal Year End: 12/31/2025

Industry, Sector and Symbol

• Stock Exchange: OTCMKTS
• Sector: Computer and Technology
• Industry: INSTRU - SCIENTFC
• Sub-Industry: Measuring And Control Equipment
• Current Symbol: OTCMKTS:INIS
• CIK: 1038277
• Web: www.intisoid.com
• Phone: (208) 524-5300
• Fax: 208-524-1411
• Employees: 30
• Year Founded: 1995

Profitability

• EPS (Trailing Twelve Months): N/A
• Trailing P/E Ratio: N/A
• Forward P/E Ratio: N/A
• P/E Growth: N/A
• Net Income: $10 thousand
• Net Margins: 0.83%
• Pretax Margin: 0.83%
• Return on Equity: 2.87%
• Return on Assets: 0.71%

Debt

• Debt-to-Equity Ratio: 0.43
• Current Ratio: 1.47
• Quick Ratio: 1.26

Sales & Book Value

• Annual Sales: $13.90 million
• Price / Sales: 3.04
• Cash Flow: $0.00 per share
• Price / Cash Flow: 102.19
• Book Value: $0.01 per share
• Price / Book: 8.00

Miscellaneous

• Outstanding Shares: 528,100,000
• Free Float: 432,517,000
• Market Cap: $42.25 million
• Optionable: Not Optionable
• Beta: 0.91