Alcoa Corporation (AA) | The Buildout — AI Infrastructure
The Verdict
Alcoa is an upstream aluminum company. It digs bauxite out of the ground, refines it into alumina, and smelts that into aluminum metal, then casts part of it into value-add shapes. Its tie to the AI buildout is indirect: data centers add electricity demand, that pulls grid and transmission construction, and aluminum goes into wire, cable, extrusions, and construction. Management does not describe Alcoa as an AI company, and the filings do not break out any AI-attributable revenue.
| Market Cap | — |
| Revenue (TTM) | $13.6B |
| Revenue Growth | +3.1% |
| EBITDA Margin (TTM) | 12.8% |
| Net Debt | $873M |
| Earnings Beats | 5 of 7 |
| P/E (TTM) | — |
| EV/EBITDA (TTM) | — |
What We Like
- Aluminum segment adjusted EBITDA hit a record $1.1 billion in Q2 2026 at a 32.3% margin, up from $694 million in Q1 2026.
- Aluminum shipments rose 113 thousand metric tons sequentially to 726 thousand metric tons, and value-add product volumes rose 30 thousand metric tons.
- The $4.1 billion South32 acquisition, announced 2026-06-30, would add about 5.2 Mt of alumina capacity (+53% pro forma) and 900 kt of aluminum capacity (+37% pro forma), with management citing ~$900 million of NPV synergies.
- Adjusted net debt fell to $1.4 billion from $1.8 billion, back inside the company's $1.0–1.5 billion target range.
- Value-add casting capacity is about 95% full in Europe and North America, and the 2026 order book is stronger than a year ago across all major regions and product categories.
What We’re Watching
- The Alumina segment lost money at the EBITDA line in Q2 2026, and the Q3 guide is net favorable by about $10 million. A return to positive segment EBITDA would confirm the ex-China rebalancing thesis.
- Western Australia mine approvals were targeted for year-end 2026; management said timing could extend, with a stated six-month contingency carrying no impact on supply, quality, or cost.
- South32 shareholder approval is expected in October or November 2026, starting a ticking fee of 5% annualized on $3.1 billion of cash consideration, estimated at $80–100 million at closing.
- The 587 MW Australian power portfolio expired June 30, 2026 and the NYPA contract for Massena West expired March 2026, with no disclosed renewal outcome.
The thesis is mixed. The Aluminum segment is executing at a record level on tight metal, high premiums, and a stronger order book, and the South32 acquisition would add scale and cost position in one step. But the Alumina segment earned $664 million of adjusted EBITDA four quarters ago and is now losing money at that line, and guidance has been cut on every metric management controls. The open question is whether the ex-China alumina market rebalances in the second half as management expects, and whether regional and value-add premiums hold if Gulf supply returns.
Earnings Beat
Alcoa reported Q2 2026 revenue of $3,966 million, up about 24% sequentially, with gross margin of 25.2% and EBITDA of $891 million at a 22.5% margin. The Aluminum segment delivered record adjusted EBITDA of $1.1 billion at a 32.3% margin, while the Alumina segment's adjusted EBITDA fell a further $56 million. Free cash flow was $422 million, and cash ended June at $1.4 billion.
| Metric | Q2 FY2026 | Q1 FY2026 | Q2 FY2025 | YoY |
|---|---|---|---|---|
| Revenue | $4.0B | $3.2B | $3.0B | +31.4% |
| Gross margin | 25.2% | 21.3% | 12.1% | +1310bps |
| EBITDA | $891M | $588M | $272M | +227.6% |
| EPS | $1.54 | $1.60 | $0.63 | +144.9% |
| Aluminum segment adjusted EBITDA | $1.1 billion | $694 million | n/a | — |
| Free cash flow | $422 million | −$298 million | $357 million | +$65 million |
Revenue increased by 24% to $4 billion which is the highest quarterly revenue in Alcoa Corporation's almost 10-year history.— Molly S. Beerman, Chief Financial Officer, 2026-07-16
Management tone: Management was confident and records-forward on operations, and plainer and more hedged on items they cannot control. The clearest shift versus the prior quarter was on Western Australia mine approvals: Q1 anticipated them by year-end 2026, while Q2 said confidence in the outcome is unchanged but timing could extend. They gave specific root causes for the Pinjarra stumble and pre-defended the South32 synergy number as based on internal due diligence rather than consultant projections.
Management Guidance
On the Q2 2026 call, management lowered FY2026 alumina production to 9.5–9.6 million metric tons and alumina shipments to 11.5–11.6 million metric tons, primarily on Pinjarra. It raised FY2026 other corporate expenses to about $180 million and depreciation to about $660 million on currency and asset-life changes. For Q3 2026, management guided the Alumina segment net favorable by about $10 million, the Aluminum segment flat, carbon costs about $15 million unfavorable, and diesel and fuel oil about $5 million favorable based on an assumed $90 per barrel fuel oil.
Trajectory
Revenue has swung hard. Sales ran $2,995 million in Q3 FY2025 and $3,449 million in Q4 FY2025, dipped to $3,193 million in Q1 FY2026, then rose about 24% to $3,966 million in Q2 FY2026. Gross margin expanded to 25.2% from 21.3%, and EBITDA reached $891 million, a 22.5% margin. The improvement is narrow: the Aluminum segment set a record while the Alumina segment's adjusted EBITDA fell a further $56 million on Pinjarra instability and an ex-China market management says has not yet rebalanced.
The Model
The model projects FY+1 revenue of $14,933 million and EBITDA of $3,345 million, a 22.4% margin. For FY+2 it projects revenue of $18,570 million and EBITDA of $4,494 million, a 24.2% margin. The near-term anchor is the record Aluminum segment result and the Q3 guides; FY+2 is larger, consistent with the South32 capacity additions and management's expectation that the ex-China alumina market rebalances.
| Metric | FY2025 | Next FY (E) | Following FY (E) |
|---|---|---|---|
| Revenue | $12.8B | $14.9B | $18.6B |
| YoY Growth | — | +16.4% | +24.4% |
| EBITDA | $1.4B | $3.3B | $4.5B |
| EBITDA Margin | 10.8% | 22.4% | 24.2% |
Projections are the median of 5 independent model runs. The model’s revenue sits 19.2% above analyst consensus.
On the Q2 2026 call, management lowered FY2026 alumina production to 9.5–9.6 million metric tons and alumina shipments to 11.5–11.6 million metric tons, primarily on Pinjarra. It raised FY2026 other corporate expenses to about $180 million and depreciation to about $660 million on currency and asset-life changes. For Q3 2026, management guided the Alumina segment net favorable by about $10 million, the Aluminum segment flat, carbon costs about $15 million unfavorable, and diesel and fuel oil about $5 million favorable based on an assumed $90 per barrel fuel oil.
What Could Go Right — and Wrong
- The ex-China alumina market rebalances in the second half as Middle East smelters restart, returning the Alumina segment to positive adjusted EBITDA.
- Gulf smelting capacity is removed permanently rather than temporarily, keeping metal tight and regional and value-add premiums elevated.
- South32 closes on schedule after shareholder approval in October or November 2026, and the ~$50 million of first-year run-rate cost savings and ~$900 million NPV synergies land as planned.
- Massena East closes with the data-center developer and unlocks the broader $500 million–$1 billion asset-monetization program aimed at 2030.
- Gallium at Wagerup turns into a business, with disclosed capacity, offtake, or economics.
- Aluminum prices make the June move permanent, unwinding the Aluminum segment's price-driven sequential gain.
- The ex-China alumina market stays oversupplied and the Alumina segment keeps losing money at the EBITDA line.
- Western Australia mine approvals slip past the stated six-month contingency, forcing modifications to mining operations and refinery flow rates.
- South32 closes into a weaker commodity environment, with a ticking fee of $80–100 million payable and $2.6 billion of new debt at 6.625% and 6.875% to service.
- San Ciprián stays a cash consumer, with long-term power unresolved beyond 2027.
Looking Ahead
Over the next twelve months the story turns on whether the ex-China alumina market rebalances in the second half, whether Western Australia mine approvals arrive inside the stated six-month contingency, and whether the South32 acquisition closes and its synergies appear in the first post-close prints. Q3 2026 earnings on October 15, 2026 is the next scheduled checkpoint, and South32 shareholder approval is expected in October or November 2026.
- October 15, 2026Third-quarter 2026 earnings — Tests Q3 segment guides, operational tax, and carbon cost outlook.
- October/November 2026South32 shareholder approval — Starts the ticking fee; precedes deal close and synergies.
- Year-end 2026Australia mine approvals — Feedstock gate for the Western Australian refineries.
- Q4 2026Caustic cost correction — Lagged pass-through of the Q2 caustic spike.
- After closeFirst post-close prints — Signpost for ~$50M run-rate savings and deal accretion.
- Now to 2030Asset monetization program — $500M–$1B target; Massena East is the first candidate.
Financials
Annual Summary
| Metric | FY2024 | FY2025 | TTM | YoY |
|---|---|---|---|---|
| Revenue | $12.3B | $12.8B | $13.6B | +4.4% |
| Gross Margin | 12.7% | 16.6% | 18.8% | +388bps |
| EBITDA | $2.1B | $1.4B | $1.7B | -33.0% |
| EBITDA Margin | 16.8% | 10.8% | 12.8% | 601bps |
| Net Income | $60M | $1.2B | $1.3B | +1828.3% |
| Free Cash Flow | $42M | $567M | $352M | — |
| Net Cash | — | — | — | — |
Key Ratios (Trailing)
- P/E TTM—
- EV/EBITDA TTM—
- EV/Revenue TTM—
- Price/FCF TTM—
- Gross Margin (TTM)18.8%
- EBITDA Margin (TTM)12.8%
- Net Margin (TTM)9.4%
- ROIC10.4%
- FCF Conversion20.2%
- SBC / Revenue0.4%
The Company
Alcoa is an upstream aluminum company. The 10-K describes it as active in all aspects of the upstream aluminum industry with bauxite mining, alumina refining, and aluminum smelting and casting, and it reports direct and indirect ownership of 25 operating locations across eight countries on five continents. It runs two segments: Alumina, which covers bauxite mines and alumina refineries, and Aluminum, which covers smelting and casting plus most of the company's energy production assets. Products run from commodity-grade ingot to value-add shapes — foundry, billet, rod, and slab.
The business is vertically integrated: bauxite feeds alumina refineries, which feed smelters, and that integration is the cost position. Power is the largest controllable input, and the portfolio is contracted — a combined 587 MW Australian block that expired June 30, 2026, a Hydro-Québec contract supplying all electricity for three Québec smelters through December 31, 2029, and a 40-year Landsvirkjun contract in Iceland running to 2048. Labor agreements run through 2030 across Western Australia, two US smelters, Québec, Norway, and Alumar.
Business Segments
Competitive Landscape
The 10-K names a deep competitor set on both sides of the business. In alumina it lists South32, Rio Tinto, and Glencore. In aluminum it lists the traders Glencore, Trafigura, Vitol, Mercuria, and Gunvor, and the producers Emirates Global Aluminum, Norsk Hydro ASA, Rio Tinto, Century Aluminum, and Vedanta Aluminum Ltd. Both segments sell globally priced commodities with little product differentiation outside value-add casting, where mix does change the price received.
- South32Named in the 10-K as an alumina competitor; now the counterparty in the $4.1 billion upstream acquisition.
- Rio TintoNamed in the 10-K as both an alumina and an aluminum producer competitor.
- GlencoreNamed in the 10-K as an alumina competitor and among the aluminum traders.
- Century AluminumNamed in the 10-K as an aluminum producer competitor.
- Norsk Hydro ASANamed in the 10-K as an aluminum producer competitor.
Supply Chain
Alcoa sits at the start of the aluminum chain, mining bauxite, refining alumina, and smelting metal. Its customers are downstream fabricators and end markets, and its most contractually visible suppliers are the power providers behind its smelters and refineries.
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