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Side-by-side financial comparison of Lumen Technologies, Inc. (LUMN) and Sandisk Corp (SNDK). Click either name above to swap in a different company.
Sandisk Corp is the larger business by last-quarter revenue ($3.0B vs $2.7B, roughly 1.1× Lumen Technologies, Inc.). Sandisk Corp runs the higher net margin — 26.5% vs -0.1%, a 26.6% gap on every dollar of revenue. On growth, Sandisk Corp posted the faster year-over-year revenue change (78.5% vs -11.0%). Sandisk Corp produced more free cash flow last quarter ($980.0M vs $-1.1B).
Lumen Technologies, Inc. is an American telecommunications company headquartered in Monroe, Louisiana. It offers network, security, cloud, voice, and other managed communications services through its fiber optic and copper networks, data centers and cloud computing services. The company has been included in the S&P 600 index since March 2023, and was previously listed among the S&P 500.
Sandisk Corporation is an American multinational computer technology company based in Milpitas, California, that designs and manufactures flash memory products, including memory cards, USB flash drives, and solid-state drives. It was founded in 1988 as SunDisk by Eli Harari, Sanjay Mehrotra, and Jack Yuan. The name is a portmanteau of the founder’s name Sanjay and disk.
LUMN vs SNDK — Head-to-Head
Income Statement — Q4 FY2025 vs Q2 FY2026
| Metric | | |
|---|---|---|
| Revenue | $2.7B | $3.0B |
| Net Profit | $-2.0M | $803.0M |
| Gross Margin | 40.7% | 50.9% |
| Operating Margin | -7.3% | 35.2% |
| Net Margin | -0.1% | 26.5% |
| Revenue YoY | -11.0% | 78.5% |
| Net Profit YoY | -102.4% | 141.5% |
| EPS (diluted) | $-0.01 | $5.15 |
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.
| Q1 26 | — | $3.0B | ||
| Q4 25 | $2.7B | $2.3B | ||
| Q3 25 | $2.8B | — | ||
| Q2 25 | $2.9B | $1.9B | ||
| Q1 25 | $2.9B | $1.7B | ||
| Q4 24 | $3.1B | $1.9B | ||
| Q3 24 | $3.0B | $1.9B | ||
| Q2 24 | $3.0B | — |
| Q1 26 | — | $803.0M | ||
| Q4 25 | $-2.0M | $112.0M | ||
| Q3 25 | $-621.0M | — | ||
| Q2 25 | $-915.0M | $-23.0M | ||
| Q1 25 | $-201.0M | $-1.9B | ||
| Q4 24 | $85.0M | $104.0M | ||
| Q3 24 | $-148.0M | $211.0M | ||
| Q2 24 | $-49.0M | — |
| Q1 26 | — | 50.9% | ||
| Q4 25 | 40.7% | 29.8% | ||
| Q3 25 | 39.4% | — | ||
| Q2 25 | 43.4% | 26.2% | ||
| Q1 25 | 42.0% | 22.5% | ||
| Q4 24 | 44.7% | 32.3% | ||
| Q3 24 | 43.0% | 38.6% | ||
| Q2 24 | 45.2% | — |
| Q1 26 | — | 35.2% | ||
| Q4 25 | -7.3% | 7.6% | ||
| Q3 25 | -4.1% | — | ||
| Q2 25 | -21.0% | 0.9% | ||
| Q1 25 | 3.7% | -111.0% | ||
| Q4 24 | 5.0% | 10.4% | ||
| Q3 24 | 4.2% | 15.5% | ||
| Q2 24 | 4.5% | — |
| Q1 26 | — | 26.5% | ||
| Q4 25 | -0.1% | 4.9% | ||
| Q3 25 | -22.1% | — | ||
| Q2 25 | -31.9% | -1.2% | ||
| Q1 25 | -6.9% | -114.0% | ||
| Q4 24 | 2.8% | 5.5% | ||
| Q3 24 | -5.0% | 11.2% | ||
| Q2 24 | -1.6% | — |
| Q1 26 | — | $5.15 | ||
| Q4 25 | $-0.01 | $0.75 | ||
| Q3 25 | $-0.62 | — | ||
| Q2 25 | $-0.92 | $-0.17 | ||
| Q1 25 | $-0.20 | $-13.33 | ||
| Q4 24 | $0.08 | $0.72 | ||
| Q3 24 | $-0.15 | $1.46 | ||
| Q2 24 | $-0.05 | — |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.0B | $1.5B |
| Total DebtLower is stronger | $17.4B | $603.0M |
| Stockholders' EquityBook value | $-1.1B | $10.2B |
| Total Assets | $34.3B | $13.0B |
| Debt / EquityLower = less leverage | — | 0.06× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $1.5B | ||
| Q4 25 | $1.0B | $1.4B | ||
| Q3 25 | $2.4B | — | ||
| Q2 25 | $1.6B | $1.5B | ||
| Q1 25 | $1.9B | $1.5B | ||
| Q4 24 | $1.9B | $804.0M | ||
| Q3 24 | $2.6B | — | ||
| Q2 24 | $1.5B | — |
| Q1 26 | — | $603.0M | ||
| Q4 25 | $17.4B | $1.4B | ||
| Q3 25 | $17.6B | — | ||
| Q2 25 | $17.6B | $1.8B | ||
| Q1 25 | $17.3B | $1.9B | ||
| Q4 24 | $17.5B | — | ||
| Q3 24 | $18.1B | — | ||
| Q2 24 | $18.4B | — |
| Q1 26 | — | $10.2B | ||
| Q4 25 | $-1.1B | $9.4B | ||
| Q3 25 | $-1.2B | — | ||
| Q2 25 | $-595.0M | $9.2B | ||
| Q1 25 | $289.0M | $9.2B | ||
| Q4 24 | $464.0M | $12.0B | ||
| Q3 24 | $342.0M | $12.1B | ||
| Q2 24 | $466.0M | — |
| Q1 26 | — | $13.0B | ||
| Q4 25 | $34.3B | $12.7B | ||
| Q3 25 | $34.3B | — | ||
| Q2 25 | $33.0B | $13.0B | ||
| Q1 25 | $33.5B | $13.0B | ||
| Q4 24 | $33.5B | $14.2B | ||
| Q3 24 | $34.0B | — | ||
| Q2 24 | $32.9B | — |
| Q1 26 | — | 0.06× | ||
| Q4 25 | — | 0.14× | ||
| Q3 25 | — | — | ||
| Q2 25 | — | 0.20× | ||
| Q1 25 | 59.98× | 0.21× | ||
| Q4 24 | 37.70× | — | ||
| Q3 24 | 53.05× | — | ||
| Q2 24 | 39.51× | — |
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 | $562.0M | $1.0B |
| Free Cash FlowOCF − Capex | $-1.1B | $980.0M |
| FCF MarginFCF / Revenue | -39.4% | 32.4% |
| Capex IntensityCapex / Revenue | 59.9% | 1.3% |
| Cash ConversionOCF / Net Profit | — | 1.27× |
| TTM Free Cash FlowTrailing 4 quarters | $371.0M | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $1.0B | ||
| Q4 25 | $562.0M | $488.0M | ||
| Q3 25 | $2.5B | — | ||
| Q2 25 | $570.0M | — | ||
| Q1 25 | $1.1B | $26.0M | ||
| Q4 24 | $688.0M | $95.0M | ||
| Q3 24 | $2.0B | $-131.0M | ||
| Q2 24 | $511.0M | — |
| Q1 26 | — | $980.0M | ||
| Q4 25 | $-1.1B | $438.0M | ||
| Q3 25 | $1.5B | — | ||
| Q2 25 | $-321.0M | — | ||
| Q1 25 | $304.0M | $-18.0M | ||
| Q4 24 | $-227.0M | $47.0M | ||
| Q3 24 | $1.2B | $-198.0M | ||
| Q2 24 | $-242.0M | — |
| Q1 26 | — | 32.4% | ||
| Q4 25 | -39.4% | 19.0% | ||
| Q3 25 | 52.4% | — | ||
| Q2 25 | -11.2% | — | ||
| Q1 25 | 10.4% | -1.1% | ||
| Q4 24 | -7.4% | 2.5% | ||
| Q3 24 | 39.8% | -10.5% | ||
| Q2 24 | -8.0% | — |
| Q1 26 | — | 1.3% | ||
| Q4 25 | 59.9% | 2.2% | ||
| Q3 25 | 37.1% | — | ||
| Q2 25 | 31.1% | — | ||
| Q1 25 | 27.2% | 2.6% | ||
| Q4 24 | 29.7% | 2.6% | ||
| Q3 24 | 28.6% | 3.6% | ||
| Q2 24 | 25.0% | — |
| Q1 26 | — | 1.27× | ||
| Q4 25 | — | 4.36× | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 8.09× | 0.91× | ||
| Q3 24 | — | -0.62× | ||
| Q2 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
LUMN
| Large Enterprise | $758.0M | 28% |
| Wholesale | $661.0M | 24% |
| Mid Market Enterprise | $472.0M | 17% |
| Fiber Broadband | $232.0M | 8% |
| Other Broadband | $218.0M | 8% |
| Other | $184.0M | 7% |
| Voice And Other | $166.0M | 6% |
| International And Other | $77.0M | 3% |
SNDK
| Edge | $1.7B | 55% |
| Consumer | $907.0M | 30% |
| Datacenter | $440.0M | 15% |
