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Side-by-side financial comparison of Astera Labs, Inc. (ALAB) and PTC THERAPEUTICS, INC. (PTCT). Click either name above to swap in a different company.
Astera Labs, Inc. is the larger business by last-quarter revenue ($270.6M vs $164.7M, roughly 1.6× PTC THERAPEUTICS, INC.). Astera Labs, Inc. runs the higher net margin — 16.6% vs -82.0%, a 98.6% gap on every dollar of revenue. On growth, Astera Labs, Inc. posted the faster year-over-year revenue change (91.8% vs -22.7%). Astera Labs, Inc. produced more free cash flow last quarter ($76.6M vs $-36.6M). Over the past eight quarters, Astera Labs, Inc.'s revenue compounded faster (103.6% CAGR vs -11.5%).
Astera Labs, Inc. is an American fabless semiconductor manufacturer and artificial intelligence company. The company specializes in designing high-speed connectivity solutions for data centers and AI infrastructure. The company has been listed on the Nasdaq since March 2024.
PTC Therapeutics, Inc. is a US pharmaceutical company focused on the development of orally administered small molecule drugs and gene therapy which regulate gene expression by targeting post-transcriptional control (PTC) mechanisms in orphan diseases.
ALAB vs PTCT — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $270.6M | $164.7M |
| Net Profit | $45.0M | $-135.0M |
| Gross Margin | 75.6% | — |
| Operating Margin | 24.7% | -43.3% |
| Net Margin | 16.6% | -82.0% |
| Revenue YoY | 91.8% | -22.7% |
| Net Profit YoY | 82.0% | -104.8% |
| EPS (diluted) | $0.25 | $-1.63 |
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 | $270.6M | $164.7M | ||
| Q3 25 | $230.6M | $211.0M | ||
| Q2 25 | $191.9M | $178.9M | ||
| Q1 25 | $159.4M | $1.2B | ||
| Q4 24 | $141.1M | $213.2M | ||
| Q3 24 | $113.1M | $196.8M | ||
| Q2 24 | $76.8M | $186.7M | ||
| Q1 24 | $65.3M | $210.1M |
| Q4 25 | $45.0M | $-135.0M | ||
| Q3 25 | $91.1M | $15.9M | ||
| Q2 25 | $51.2M | $-64.8M | ||
| Q1 25 | $31.8M | $866.6M | ||
| Q4 24 | $24.7M | $-65.9M | ||
| Q3 24 | $-7.6M | $-106.7M | ||
| Q2 24 | $-7.5M | $-99.2M | ||
| Q1 24 | $-93.0M | $-91.6M |
| Q4 25 | 75.6% | — | ||
| Q3 25 | 76.2% | — | ||
| Q2 25 | 75.8% | — | ||
| Q1 25 | 74.9% | — | ||
| Q4 24 | 74.0% | — | ||
| Q3 24 | 77.7% | — | ||
| Q2 24 | 77.9% | — | ||
| Q1 24 | 77.4% | — |
| Q4 25 | 24.7% | -43.3% | ||
| Q3 25 | 24.0% | 1.4% | ||
| Q2 25 | 20.7% | -19.5% | ||
| Q1 25 | 7.1% | 82.5% | ||
| Q4 24 | 0.1% | -76.2% | ||
| Q3 24 | -7.9% | -27.7% | ||
| Q2 24 | -31.7% | -21.5% | ||
| Q1 24 | -127.1% | -21.6% |
| Q4 25 | 16.6% | -82.0% | ||
| Q3 25 | 39.5% | 7.5% | ||
| Q2 25 | 26.7% | -36.3% | ||
| Q1 25 | 20.0% | 73.7% | ||
| Q4 24 | 17.5% | -30.9% | ||
| Q3 24 | -6.7% | -54.2% | ||
| Q2 24 | -9.8% | -53.1% | ||
| Q1 24 | -142.5% | -43.6% |
| Q4 25 | $0.25 | $-1.63 | ||
| Q3 25 | $0.50 | $0.20 | ||
| Q2 25 | $0.29 | $-0.83 | ||
| Q1 25 | $0.18 | $10.04 | ||
| Q4 24 | $1.23 | $-0.85 | ||
| Q3 24 | $-0.05 | $-1.39 | ||
| Q2 24 | $-0.05 | $-1.29 | ||
| Q1 24 | $-1.77 | $-1.20 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $167.6M | $1.9B |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $1.4B | $-205.3M |
| Total Assets | $1.5B | $2.9B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $167.6M | $1.9B | ||
| Q3 25 | $140.4M | $1.7B | ||
| Q2 25 | $162.3M | $2.0B | ||
| Q1 25 | $86.4M | $2.0B | ||
| Q4 24 | $79.6M | $1.1B | ||
| Q3 24 | $126.1M | $1.0B | ||
| Q2 24 | $421.1M | $1.1B | ||
| Q1 24 | $696.1M | $884.8M |
| Q4 25 | $1.4B | $-205.3M | ||
| Q3 25 | $1.3B | $-155.8M | ||
| Q2 25 | $1.1B | $-206.5M | ||
| Q1 25 | $1.0B | $-185.8M | ||
| Q4 24 | $964.8M | $-1.1B | ||
| Q3 24 | $889.6M | $-1.1B | ||
| Q2 24 | $845.3M | $-980.2M | ||
| Q1 24 | $808.8M | $-893.9M |
| Q4 25 | $1.5B | $2.9B | ||
| Q3 25 | $1.4B | $2.6B | ||
| Q2 25 | $1.3B | $2.6B | ||
| Q1 25 | $1.1B | $2.7B | ||
| Q4 24 | $1.1B | $1.7B | ||
| Q3 24 | $983.1M | $1.8B | ||
| Q2 24 | $915.5M | $1.9B | ||
| Q1 24 | $864.9M | $1.8B |
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 | $95.3M | $-34.3M |
| Free Cash FlowOCF − Capex | $76.6M | $-36.6M |
| FCF MarginFCF / Revenue | 28.3% | -22.3% |
| Capex IntensityCapex / Revenue | 6.9% | 1.4% |
| Cash ConversionOCF / Net Profit | 2.12× | — |
| TTM Free Cash FlowTrailing 4 quarters | $281.8M | $702.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $95.3M | $-34.3M | ||
| Q3 25 | $78.2M | $-66.3M | ||
| Q2 25 | $135.4M | $-58.3M | ||
| Q1 25 | $10.5M | $870.1M | ||
| Q4 24 | $39.7M | $-30.0M | ||
| Q3 24 | $63.5M | $-77.0M | ||
| Q2 24 | $29.8M | $-71.5M | ||
| Q1 24 | $3.7M | $70.8M |
| Q4 25 | $76.6M | $-36.6M | ||
| Q3 25 | $65.9M | $-69.7M | ||
| Q2 25 | $133.3M | $-59.6M | ||
| Q1 25 | $6.0M | $868.4M | ||
| Q4 24 | $24.3M | $-33.8M | ||
| Q3 24 | $46.8M | $-77.5M | ||
| Q2 24 | $28.5M | $-78.8M | ||
| Q1 24 | $228.0K | $61.2M |
| Q4 25 | 28.3% | -22.3% | ||
| Q3 25 | 28.6% | -33.1% | ||
| Q2 25 | 69.5% | -33.3% | ||
| Q1 25 | 3.7% | 73.8% | ||
| Q4 24 | 17.2% | -15.8% | ||
| Q3 24 | 41.4% | -39.4% | ||
| Q2 24 | 37.1% | -42.2% | ||
| Q1 24 | 0.3% | 29.1% |
| Q4 25 | 6.9% | 1.4% | ||
| Q3 25 | 5.3% | 1.6% | ||
| Q2 25 | 1.1% | 0.7% | ||
| Q1 25 | 2.8% | 0.1% | ||
| Q4 24 | 10.9% | 1.8% | ||
| Q3 24 | 14.8% | 0.3% | ||
| Q2 24 | 1.7% | 4.0% | ||
| Q1 24 | 5.2% | 4.6% |
| Q4 25 | 2.12× | — | ||
| Q3 25 | 0.86× | -4.17× | ||
| Q2 25 | 2.64× | — | ||
| Q1 25 | 0.33× | 1.00× | ||
| Q4 24 | 1.61× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
