# Cameco (TSX:CCO)

> Cameco is one of the largest global providers of uranium fuel, essential for a safe and secure energy future.

## About

Cameco is one of the largest global providers of uranium fuel, essential for a safe and secure energy future. The company holds controlling ownership of the world’s largest high-grade reserves and operates low-cost operations. It has significant investments across the nuclear fuel cycle, including interests in Westinghouse Electric Company and Global Laser Enrichment. Utilities worldwide depend on Cameco for nuclear fuel solutions that generate reliable, carbon-free power. The company is also a major employer of Indigenous people in Canada and manages land holdings of approximately 1.8 million acres, primarily in northern Saskatchewan, where its head office is located.

## Key facts

- **Cash position:** $1.2 billion
- **Shares outstanding:** 435,407,158
- **Fully diluted shares:** Not Available
- **Warrants:** 0
- **Options:** 164,883
- **Mineral resource:** As of December 31, 2025, Cameco's mineral reserves and resources are the foundation of the company and fundamental to its success. The estimates of the proven and probable mineral reserves, and measured, indicated, and inferred mineral resources at various properties are reported as follows: Cigar Lake has 26.3 million lbs U3O8 (Cameco's share) in total measured and indicated reserves; Kintyre has 53.5 million lbs U3O8 (Cameco's share) in total measured and indicated reserves; McArthur River has 6.7 million lbs U3O8 (Cameco's share) in total measured and indicated reserves; Millennium has 75.9 million lbs U3O8 (Cameco's share) in total measured and indicated reserves; and other properties are listed with their respective reserves. The total measured and indicated resources amount to 404 million lbs U3O8 (Cameco's share). Inferred resources total 152 million lbs U3O8 (Cameco's share).
- **Projects:** ["McArthur River/Key Lake, located in northern Saskatchewan, Canada, are the world's largest high-grade uranium mine and mill. In service since 1999 and 1983 respectively, Cameco operates the ISO 14001 certified operations, which have collectively produced 583 million pounds using a variety of mining methods.","Millennium: The Cree Extension-Millennium project is a Cameco-operated joint venture located in the southeastern portion of the Athabasca Basin, approximately 35 km north of the Key Lake operation. The project includes the Millennium deposit which was discovered in 2000. We own 69.9% of the project. Location: Saskatchewan, Canada. Cameco's share: 69.9%. Mine type: Underground. Estimated resources (Cameco's share): 53.0 million lbs (indicated), average grade U3O8: 2.39%; 20.2 million lbs (inferred), average grade U3O8: 3.19%. Product: Uranium concentrates. Discovered: 2000. Other possible features: Off-site processing, Employment: about 150 at full production, Estimated life of mine: 10 years.","Cigar Lake: Cigar Lake is the world's highest grade uranium mine and is located in northern Saskatchewan, Canada. Since commissioning in 2014, the site has produced a total of 174.5 million pounds (100% basis). Commercial operation began in May 2015. As the operator, Cameco developed an innovative jet-boring technique specifically for this challenging deposit. Cigar Lake's ore is processed 70 km northeast, at the McClean Lake mill, operated by Orano."]
- **Leadership:** Tim Gitzel (CEO, Appointed chief executive officer of Cameco on July 1, 2011. Extensive experience in Canadian and international uranium mining activities through more than 30 years of senior management and legal experience.), Grant Isaac (President and Chief Operating Officer, With 16 years of experience in executive roles at Cameco, Grant oversees all operations, exploration, and corporate development. He has a BA and MA in Economics from the University of Saskatchewan and a PhD from the London School of Economics.), Leontine van Leeuwen-Atkins (Board Member, Brings over 30 years of experience in the global mining, power, utility, and oil and gas industries, focusing on corporate strategy and governance. She is a fellow of the Chartered Professional Accountants of Alberta.), Kathryn Jackson (Board Member, Former senior vice-president and chief technology officer of RTI International Metals Inc. and Westinghouse Electric Company, with extensive experience in the nuclear industry and a doctorate in engineering and public policy from Carnegie Mellon University.)

_Verified data last updated: 2026-05-15_

## Recent filings

- 2026-05-19 — other — [CCO_2026-05-19_12-34-54.pdf](https://chat.orbiton.app/cco/preview/51329?documentId=51329)
- 2026-05-10 — press_release — [CCO_2026-05-10_23-46-36.pdf](https://chat.orbiton.app/cco/preview/49864?documentId=49864)
- 2026-05-07 — proxy — [CCO_2026-05-07_18-15-09.pdf](https://chat.orbiton.app/cco/preview/38522?documentId=38522)
- 2026-05-07 — press_release — [CCO_2026-05-07_18-05-59.pdf](https://chat.orbiton.app/cco/preview/38521?documentId=38521)
- 2026-05-05 — financials — [CCO_2026-05-05_07-01-39.pdf](https://chat.orbiton.app/cco/preview/38203?documentId=38203)
- 2026-05-05 — mda — [CCO_2026-05-05_07-00-39.pdf](https://chat.orbiton.app/cco/preview/38204?documentId=38204)
- 2026-05-05 — financials — [CCO_2026-05-05_06-59-38.pdf](https://chat.orbiton.app/cco/preview/38205?documentId=38205)
- 2026-05-05 — press_release — [- 1 - Saskatoon Saskatchewan Canada Cameco reports first quarter 2026 results: financial results and operational execution reflect disciplined strategy; annual guidance unchanged; nuclear energy on track for long‑term growth in support of global demand May 5, 2026 Cameco (TSX: CCO; NYSE: CCJ) today](https://chat.orbiton.app/cco/preview/38194?documentId=38194)

## Investor FAQ

### [Latest News?](https://chat.orbiton.app/cco/faq/latest-news)

Cameco reported its first quarter 2026 results on May 5, 2026, highlighting that financial results and operational execution reflect a disciplined strategy, with annual guidance unchanged. The company emphasized that nuclear energy is on track for long-term growth in support of global demand.

### [Uranium Operations](https://chat.orbiton.app/cco/faq/uranium-operations)

Cameco operates several key uranium properties, including Cigar Lake, McArthur River, and Key Lake, which are among the world's largest high-grade uranium mines. The company reported a production volume of 23.4 million lbs U3O8 in 2024, a 33% increase from the previous year, and continues to focus on optimizing production in alignment with its contract portfolio.

## Live AI chat

- https://chat.orbiton.app/cco/chat
- Investor website: https://www.cameco.com/