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Side-by-side financial comparison of KAISER ALUMINUM CORP (KALU) and WillScot Holdings Corp (WSC). Click either name above to swap in a different company.
KAISER ALUMINUM CORP is the larger business by last-quarter revenue ($929.0M vs $566.0M, roughly 1.6× WillScot Holdings Corp). KAISER ALUMINUM CORP runs the higher net margin — 3.0% vs -33.1%, a 36.1% gap on every dollar of revenue. On growth, KAISER ALUMINUM CORP posted the faster year-over-year revenue change (21.4% vs -6.1%). WillScot Holdings Corp produced more free cash flow last quarter ($149.7M vs $-51.1M). Over the past eight quarters, KAISER ALUMINUM CORP's revenue compounded faster (12.2% CAGR vs -1.8%).
Kaiser Aluminum Corporation is an American aluminum producer. It is a spinoff from Kaiser Aluminum and Chemicals Corporation, which came to be when common stock was offered in Permanente Metals Corporation and Permanente Metals Corporation's name was changed to Kaiser Aluminum and Chemicals Corporation.
WillScot Holdings Corp is a leading provider of modular space solutions and portable storage services across North America. It serves a wide range of sectors including construction, commercial development, education, healthcare, government projects, and special events, offering flexible, scalable temporary and semi-permanent space solutions tailored to diverse client needs.
KALU vs WSC — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $929.0M | $566.0M |
| Net Profit | $28.2M | $-187.3M |
| Gross Margin | 13.3% | 50.4% |
| Operating Margin | 6.5% | -32.5% |
| Net Margin | 3.0% | -33.1% |
| Revenue YoY | 21.4% | -6.1% |
| Net Profit YoY | 42.4% | -310.0% |
| EPS (diluted) | $1.67 | $-1.02 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $929.0M | $566.0M | ||
| Q3 25 | $843.5M | $566.8M | ||
| Q2 25 | $823.1M | $589.1M | ||
| Q1 25 | $777.4M | $559.6M | ||
| Q4 24 | $765.4M | $602.5M | ||
| Q3 24 | $747.7M | $601.4M | ||
| Q2 24 | $773.4M | $604.6M | ||
| Q1 24 | $737.5M | $587.2M |
| Q4 25 | $28.2M | $-187.3M | ||
| Q3 25 | $39.5M | $43.3M | ||
| Q2 25 | $23.2M | $47.9M | ||
| Q1 25 | $21.6M | $43.1M | ||
| Q4 24 | $19.8M | $89.2M | ||
| Q3 24 | $8.8M | $-70.5M | ||
| Q2 24 | $18.9M | $-46.9M | ||
| Q1 24 | $18.2M | $56.2M |
| Q4 25 | 13.3% | 50.4% | ||
| Q3 25 | 13.6% | 49.7% | ||
| Q2 25 | 12.2% | 50.3% | ||
| Q1 25 | 13.4% | 53.7% | ||
| Q4 24 | 12.5% | 55.8% | ||
| Q3 24 | 9.6% | 53.5% | ||
| Q2 24 | 13.4% | 54.1% | ||
| Q1 24 | 11.7% | 54.0% |
| Q4 25 | 6.5% | -32.5% | ||
| Q3 25 | 5.8% | 21.0% | ||
| Q2 25 | 4.6% | 21.5% | ||
| Q1 25 | 5.3% | 21.3% | ||
| Q4 24 | 5.0% | 28.9% | ||
| Q3 24 | 1.8% | -5.9% | ||
| Q2 24 | 4.7% | -0.9% | ||
| Q1 24 | 3.3% | 22.1% |
| Q4 25 | 3.0% | -33.1% | ||
| Q3 25 | 4.7% | 7.6% | ||
| Q2 25 | 2.8% | 8.1% | ||
| Q1 25 | 2.8% | 7.7% | ||
| Q4 24 | 2.6% | 14.8% | ||
| Q3 24 | 1.2% | -11.7% | ||
| Q2 24 | 2.4% | -7.7% | ||
| Q1 24 | 2.5% | 9.6% |
| Q4 25 | $1.67 | $-1.02 | ||
| Q3 25 | $2.38 | $0.24 | ||
| Q2 25 | $1.41 | $0.26 | ||
| Q1 25 | $1.31 | $0.23 | ||
| Q4 24 | $1.21 | $0.48 | ||
| Q3 24 | $0.54 | $-0.37 | ||
| Q2 24 | $1.15 | $-0.25 | ||
| Q1 24 | $1.12 | $0.29 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $7.0M | $14.6M |
| Total DebtLower is stronger | — | $3.6B |
| Stockholders' EquityBook value | $826.1M | $856.3M |
| Total Assets | $2.6B | $5.8B |
| Debt / EquityLower = less leverage | — | 4.15× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $7.0M | $14.6M | ||
| Q3 25 | $17.2M | $14.8M | ||
| Q2 25 | $13.1M | $12.8M | ||
| Q1 25 | $21.3M | $10.7M | ||
| Q4 24 | $18.4M | $9.0M | ||
| Q3 24 | $45.7M | $11.0M | ||
| Q2 24 | $70.4M | $5.9M | ||
| Q1 24 | $101.6M | $13.1M |
| Q4 25 | — | $3.6B | ||
| Q3 25 | — | $3.6B | ||
| Q2 25 | — | $3.7B | ||
| Q1 25 | — | $3.6B | ||
| Q4 24 | — | $3.7B | ||
| Q3 24 | — | $3.6B | ||
| Q2 24 | — | $3.5B | ||
| Q1 24 | — | $3.5B |
| Q4 25 | $826.1M | $856.3M | ||
| Q3 25 | $806.1M | $1.1B | ||
| Q2 25 | $776.0M | $1.0B | ||
| Q1 25 | $756.8M | $1.0B | ||
| Q4 24 | $743.1M | $1.0B | ||
| Q3 24 | $729.4M | $1.1B | ||
| Q2 24 | $727.6M | $1.2B | ||
| Q1 24 | $714.7M | $1.3B |
| Q4 25 | $2.6B | $5.8B | ||
| Q3 25 | $2.6B | $6.1B | ||
| Q2 25 | $2.5B | $6.1B | ||
| Q1 25 | $2.4B | $6.0B | ||
| Q4 24 | $2.4B | $6.0B | ||
| Q3 24 | $2.3B | $6.0B | ||
| Q2 24 | $2.3B | $6.0B | ||
| Q1 24 | $2.3B | $6.2B |
| Q4 25 | — | 4.15× | ||
| Q3 25 | — | 3.39× | ||
| Q2 25 | — | 3.55× | ||
| Q1 25 | — | 3.56× | ||
| Q4 24 | — | 3.62× | ||
| Q3 24 | — | 3.42× | ||
| Q2 24 | — | 2.88× | ||
| Q1 24 | — | 2.63× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-20.6M | $158.9M |
| Free Cash FlowOCF − Capex | $-51.1M | $149.7M |
| FCF MarginFCF / Revenue | -5.5% | 26.5% |
| Capex IntensityCapex / Revenue | 3.3% | 1.6% |
| Cash ConversionOCF / Net Profit | -0.73× | — |
| TTM Free Cash FlowTrailing 4 quarters | $-25.5M | $737.7M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-20.6M | $158.9M | ||
| Q3 25 | $59.1M | $191.2M | ||
| Q2 25 | $15.9M | $205.3M | ||
| Q1 25 | $57.0M | $206.6M | ||
| Q4 24 | $43.4M | $178.9M | ||
| Q3 24 | $34.1M | $-1.6M | ||
| Q2 24 | $26.3M | $175.6M | ||
| Q1 24 | $63.3M | $208.7M |
| Q4 25 | $-51.1M | $149.7M | ||
| Q3 25 | $34.5M | $186.9M | ||
| Q2 25 | $-27.7M | $199.0M | ||
| Q1 25 | $18.8M | $202.0M | ||
| Q4 24 | $-12.6M | $176.6M | ||
| Q3 24 | $-17.0M | $-4.9M | ||
| Q2 24 | $-17.4M | $169.4M | ||
| Q1 24 | $33.3M | $202.1M |
| Q4 25 | -5.5% | 26.5% | ||
| Q3 25 | 4.1% | 33.0% | ||
| Q2 25 | -3.4% | 33.8% | ||
| Q1 25 | 2.4% | 36.1% | ||
| Q4 24 | -1.6% | 29.3% | ||
| Q3 24 | -2.3% | -0.8% | ||
| Q2 24 | -2.2% | 28.0% | ||
| Q1 24 | 4.5% | 34.4% |
| Q4 25 | 3.3% | 1.6% | ||
| Q3 25 | 2.9% | 0.7% | ||
| Q2 25 | 5.3% | 1.1% | ||
| Q1 25 | 4.9% | 0.8% | ||
| Q4 24 | 7.3% | 0.4% | ||
| Q3 24 | 6.8% | 0.6% | ||
| Q2 24 | 5.7% | 1.0% | ||
| Q1 24 | 4.1% | 1.1% |
| Q4 25 | -0.73× | — | ||
| Q3 25 | 1.50× | 4.41× | ||
| Q2 25 | 0.69× | 4.28× | ||
| Q1 25 | 2.64× | 4.80× | ||
| Q4 24 | 2.19× | 2.01× | ||
| Q3 24 | 3.88× | — | ||
| Q2 24 | 1.39× | — | ||
| Q1 24 | 3.48× | 3.71× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
KALU
| Packaging | $440.6M | 47% |
| Aero Hs Products | $213.0M | 23% |
| Transferred Over Time | $200.2M | 22% |
| Automotive Extrusions | $75.4M | 8% |
WSC
| Modular Space Leasing | $249.8M | 44% |
| Value Added Product And Services | $101.0M | 18% |
| Portable Storage Leasing | $83.0M | 15% |
| Delivery Revenue | $48.2M | 9% |
| Installation Revenue | $45.0M | 8% |
| Rental Units | $19.7M | 3% |
| New Units | $15.5M | 3% |
| Value Added Services | $10.3M | 2% |
| Other Leasing Related Products And Services | $3.8M | 1% |
