On the desk · Uranium
Cameco (CCO): A mine with a cost structure, read honestly.
The read · Machine
Saskatchewan uranium miner, world's second-largest pure-play. Tier-1 mines (McArthur River, Cigar Lake) keep cash costs first-quartile. Owns 49% of Westinghouse with Brookfield. FY 2025 net cash position; 2026 production guidance 19.5–21.5 Mlbs.
Generated May 6, 2026 from Cameco FY 2025 earnings release (Feb 2026). Reviewed by principal May 6, 2026.
By the numbers
- FY 2025
- Revenue
- C$3.48B (+11% YoY)
- Adj. net earnings
- C$627M (vs C$292M FY24)
- U₃O₈ production
- 21.0 Mlbs (beat guidance)
- 2026 guidance
- 19.5–21.5 Mlbs
- Cash / total debt
- C$1.2B / C$1.0B
- Westinghouse
- 49% (w/ Brookfield)
- Listings
- TSX: CCO · NYSE: CCJ
What we track
- All-in mining cost
- Westinghouse contribution
- Long-term contract book
- Capital discipline vs. peers
The Trough Test
The note · Principal
The note
Uranium has become a narrative asset. Cameco is still a mine with a cost structure. That disconnect, between a commodity that trades on talking points and a Saskatchewan business that trades on pounds produced, is the reason Cameco keeps coming back to our desk. The bull case needs the commodity. The business is fine without it. We spend our time on the second sentence.
The business, in one paragraph
Cameco is the world's second-largest pure-play uranium producer and one of the most important Western sources of conversion and enrichment services. Its Tier-1 mines, McArthur River / Key Lake and Cigar Lake, both in Saskatchewan, are among the highest-grade uranium deposits ever developed, which means per-pound cash costs stay among the lowest in the industry even as tonnage moves around. It also owns a 40% stake in Inkai (Kazakhstan, JV with Kazatomprom), and since late 2023 has held 49% of Westinghouse Electric Company in partnership with Brookfield. In other words: a mining business with a services business bolted on, both pointed at the nuclear build-out, but capitalized and managed for survival through the last one.
What FY 2025 actually said
Headline numbers are strong. Revenue grew 11% to C$3.48B, adjusted net earnings more than doubled to C$627M, and the company beat its revised production guidance with 21 Mlbs from McArthur/Key and Cigar. The more interesting story lives two levels down. Cameco generated enough free cash in 2025 to hold C$1.2B of cash and investments against C$1.0B of total debt, a negative net debt position at a moment when most uranium producers still trade on promises rather than prints. For a cyclical, that is a non-trivial place to be.
2026 guidance of 19.5–21.5 Mlbs is a step down from 2025 at the midpoint, and management has been explicit that this is a discipline choice rather than a capacity ceiling. That discipline is the part the market keeps mispricing when uranium runs.
Three things we are reading carefully
1. The McArthur River restart economics
McArthur was placed on care and maintenance from 2018 through 2022, which is the single most important piece of capital allocation in Cameco's modern history. Most high-cost producers keep producing through a bear market, destroying value on every pound. Cameco did not. The mine came back in 2022 at a restart cost substantially below consensus, and the per-pound economics post-restart are meaningfully better than they were pre-shutdown. We track the “licensed capacity vs. mined tonnage” gap each quarter because it tells you the shape of the option Cameco is choosing to exercise, or not, on behalf of shareholders.
2. The Westinghouse contribution
Westinghouse is the most important thing to happen to Cameco's earnings profile since Cigar Lake. It added roughly C$170–200M of annual adjusted EBITDA contribution in 2025 on Cameco's 49%, and that number grows into 2026–27 as the AP1000 project pipeline in Poland, Bulgaria, Ukraine, and the U.S. converts from talking points to construction progress payments. The question we keep sitting with is: how much of Westinghouse's forward earnings is a repeatable, franchise-quality service business (fuel, maintenance, engineering) versus a reactor-build cycle that could slip another decade? The right answer changes the multiple by several turns. We do not have a confident answer yet.
3. The contract book as the utilities roll
Cameco sells most of its pounds under long-term contracts, many of which carry market-reference pricing with floors and ceilings negotiated years ago. As utilities' term books roll, new contracts reset against today's spot and term indications. Realized-price lag is the reason Cameco's reported selling price trails the spot run-up, and also the reason it will trail a spot crash. For a long-horizon investor this is a feature, not a bug. We watch the long-term contract book and average realized price disclosures every quarter because they tell you what the business will earn over the next three to five years, not what the commodity did last week.
What we are watching into FY 2026
- All-in mining cost at McArthur and Cigar as tonnage ramps toward licensed capacity. The gap between cash cost and AISC is where the unit-cost compression shows up first.
- Westinghouse adjusted EBITDA run-rate and, more importantly, management disclosure on the fuel/services vs. new-build contribution split. The ratio matters more than the total.
- Long-term contract book volume and average realized price each quarter. A rising contract book at rising average prices is the single most important number in the deck.
- Capital return discipline. Cameco has been conservative on buybacks during the run. Whether that continues, or flips, into a weaker tape tells you what management thinks of the intrinsic value.
Cameco is the rare uranium name we think about as an operating business first and a commodity call second. That reversal, in either direction, is usually where the mispricing lives.
Checklist scorecard
Ten questions, three pillars. Status icons reflect the principal's read on this name; absent a green dot, fall back to the question's standard note. See the full Checklist for the framework.
Pillar I
The business
Does it generate free cash flow through the full cycle, or only the top half of it?
Pass
Reported earnings lie in commodities. Ten years of FCF tells the truth.
Do the unit economics still work at the worst price of the last decade?
Pass
If the thesis needs a new commodity regime to work, it isn't a business yet.
What does the balance sheet look like at trough pricing: net debt, covenants, maturity ladder?
Pass
The next crisis won't ask what you projected. It asks what you owe and when.
When they reinvest a dollar (capex, M&A, or buyback), what actually comes back?
Not yet
ROIC on incremental capital, not reported ROE on the whole book.
Pillar II
The people
How much of the operator's own net worth, bought and not granted, sits in this name?
Not yet
Options are loyalty to a quarter. Open-market purchases are loyalty to a decade.
What did management actually do in 2015 and 2020: issue, buy back, or sit still?
Pass
Every operator on the desk has been stress-tested twice in the last decade. The record is public.
Is compensation tied to per-share value, or to production, revenue, and size?
Pass
Growth at the expense of the share count is a tax the operator quietly charges you.
Who succeeds the operator, and is that person already visible on the page?
Not yet
Every owner-operator story ends. The question is whether the business does too.
Pillar III
The cycle
Where are we on the cost curve that matters: the real one, not the one in the pitch deck?
Pass
Every operator is first-quartile when they pick the quartile. Ask who sets the denominator.
What does a “normal” year look like a decade from now, and does this business still work at that price?
Not yet
If the thesis only works at the top of the cycle, it's a trade. Halvren doesn't trade.
Disclosure
This writeup is for informational and educational purposes only and is not a recommendation, solicitation, or price call. The author may hold a position in Cameco Corporation and may transact at any time without notice. Figures are sourced from Cameco's FY 2025 earnings release (Feb 2026). See the Terms of Use for the full disclaimer. Halvren's companion writeup of Cameco may appear on Substack at greater length.
Pillar I. The business. FCF through the full cycle: yes, including 2015–2019. Unit economics at worst price (uranium in the high-$20s): McArthur/Cigar still work; the marginal mines do not, which is why Cameco mothballed the marginal mines. Balance sheet at trough: net cash. ROIC on incremental capital: the Westinghouse deal is the key test, we will know in three to five years whether that was a generational acquisition or a pricey one. Early read: the unit-cost compression is already showing up, and Brookfield's participation is a soft quality signal.
Pillar II. The people. Tim Gitzel has run Cameco since 2011, which means he has managed the business through both the post-Fukushima collapse and the current renaissance. Insider ownership is modest, Cameco is a public-market story, not an owner-operator one, so the weight falls on capital allocation behaviour. That record is genuinely strong: the 2018 McArthur shutdown, the 2022 restart, and the 2023 Westinghouse acquisition are three decisions that all looked contrarian at the time and have aged well. Succession is visible at the executive level but not obviously concentrated in one named successor. We keep an eye on it.
Pillar III. The cycle. On the real uranium cost curve (not the one in slide decks), McArthur/Cigar sit comfortably in the first quartile. The question is not whether the mines are competitive, they are, but whether the commodity cycle is closer to its beginning or its middle. We do not know. Neither does anyone honest. What we do know is that a mid-cycle realized price is enough to make the business work, and the Westinghouse earnings stream is materially less cyclical than the mining earnings stream. That combination is what pays the waiting.