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Side-by-side financial comparison of Great Lakes Dredge & Dock CORP (GLDD) and PTC THERAPEUTICS, INC. (PTCT). Click either name above to swap in a different company.
Great Lakes Dredge & Dock CORP is the larger business by last-quarter revenue ($256.5M vs $164.7M, roughly 1.6× PTC THERAPEUTICS, INC.). Great Lakes Dredge & Dock CORP runs the higher net margin — 4.9% vs -82.0%, a 86.9% gap on every dollar of revenue. On growth, Great Lakes Dredge & Dock CORP posted the faster year-over-year revenue change (26.5% vs -22.7%). Great Lakes Dredge & Dock CORP produced more free cash flow last quarter ($50.3M vs $-36.6M). Over the past eight quarters, Great Lakes Dredge & Dock CORP's revenue compounded faster (13.6% CAGR vs -11.5%).
Great Lakes Dredge and Dock Company is an American company providing construction services in dredging and land reclamation, currently the largest such provider in the United States. GLD&D operates primarily in the United States but conducts one-quarter of its business overseas. The company was based in Oak Brook, Illinois, but in October 2020 relocated its corporate headquarters to Houston, Texas.
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.
GLDD vs PTCT — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $256.5M | $164.7M |
| Net Profit | $12.6M | $-135.0M |
| Gross Margin | 20.9% | — |
| Operating Margin | 12.7% | -43.3% |
| Net Margin | 4.9% | -82.0% |
| Revenue YoY | 26.5% | -22.7% |
| Net Profit YoY | -35.9% | -104.8% |
| EPS (diluted) | $0.19 | $-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 | $256.5M | $164.7M | ||
| Q3 25 | $195.2M | $211.0M | ||
| Q2 25 | $193.8M | $178.9M | ||
| Q1 25 | $242.9M | $1.2B | ||
| Q4 24 | $202.8M | $213.2M | ||
| Q3 24 | $191.2M | $196.8M | ||
| Q2 24 | $170.1M | $186.7M | ||
| Q1 24 | $198.7M | $210.1M |
| Q4 25 | $12.6M | $-135.0M | ||
| Q3 25 | $17.7M | $15.9M | ||
| Q2 25 | $9.7M | $-64.8M | ||
| Q1 25 | $33.4M | $866.6M | ||
| Q4 24 | $19.7M | $-65.9M | ||
| Q3 24 | $8.9M | $-106.7M | ||
| Q2 24 | $7.7M | $-99.2M | ||
| Q1 24 | $21.0M | $-91.6M |
| Q4 25 | 20.9% | — | ||
| Q3 25 | 22.4% | — | ||
| Q2 25 | 18.9% | — | ||
| Q1 25 | 28.6% | — | ||
| Q4 24 | 24.1% | — | ||
| Q3 24 | 19.0% | — | ||
| Q2 24 | 17.5% | — | ||
| Q1 24 | 22.9% | — |
| Q4 25 | 12.7% | -43.3% | ||
| Q3 25 | 14.4% | 1.4% | ||
| Q2 25 | 8.8% | -19.5% | ||
| Q1 25 | 20.6% | 82.5% | ||
| Q4 24 | 14.8% | -76.2% | ||
| Q3 24 | 8.7% | -27.7% | ||
| Q2 24 | 8.6% | -21.5% | ||
| Q1 24 | 15.8% | -21.6% |
| Q4 25 | 4.9% | -82.0% | ||
| Q3 25 | 9.1% | 7.5% | ||
| Q2 25 | 5.0% | -36.3% | ||
| Q1 25 | 13.8% | 73.7% | ||
| Q4 24 | 9.7% | -30.9% | ||
| Q3 24 | 4.6% | -54.2% | ||
| Q2 24 | 4.5% | -53.1% | ||
| Q1 24 | 10.6% | -43.6% |
| Q4 25 | $0.19 | $-1.63 | ||
| Q3 25 | $0.26 | $0.20 | ||
| Q2 25 | $0.14 | $-0.83 | ||
| Q1 25 | $0.49 | $10.04 | ||
| Q4 24 | $0.29 | $-0.85 | ||
| Q3 24 | $0.13 | $-1.39 | ||
| Q2 24 | $0.11 | $-1.29 | ||
| Q1 24 | $0.31 | $-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 | $13.4M | $1.9B |
| Total DebtLower is stronger | $378.2M | — |
| Stockholders' EquityBook value | $517.1M | $-205.3M |
| Total Assets | $1.3B | $2.9B |
| Debt / EquityLower = less leverage | 0.73× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $13.4M | $1.9B | ||
| Q3 25 | $12.7M | $1.7B | ||
| Q2 25 | $2.9M | $2.0B | ||
| Q1 25 | $11.3M | $2.0B | ||
| Q4 24 | $10.2M | $1.1B | ||
| Q3 24 | $12.0M | $1.0B | ||
| Q2 24 | $23.1M | $1.1B | ||
| Q1 24 | $22.8M | $884.8M |
| Q4 25 | $378.2M | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | $448.2M | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | $517.1M | $-205.3M | ||
| Q3 25 | $502.1M | $-155.8M | ||
| Q2 25 | $481.9M | $-206.5M | ||
| Q1 25 | $479.9M | $-185.8M | ||
| Q4 24 | $448.9M | $-1.1B | ||
| Q3 24 | $425.4M | $-1.1B | ||
| Q2 24 | $418.0M | $-980.2M | ||
| Q1 24 | $409.0M | $-893.9M |
| Q4 25 | $1.3B | $2.9B | ||
| Q3 25 | $1.3B | $2.6B | ||
| Q2 25 | $1.2B | $2.6B | ||
| Q1 25 | $1.2B | $2.7B | ||
| Q4 24 | $1.3B | $1.7B | ||
| Q3 24 | $1.1B | $1.8B | ||
| Q2 24 | $1.1B | $1.9B | ||
| Q1 24 | $1.1B | $1.8B |
| Q4 25 | 0.73× | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 1.00× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
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 | $79.7M | $-34.3M |
| Free Cash FlowOCF − Capex | $50.3M | $-36.6M |
| FCF MarginFCF / Revenue | 19.6% | -22.3% |
| Capex IntensityCapex / Revenue | 11.5% | 1.4% |
| Cash ConversionOCF / Net Profit | 6.31× | — |
| TTM Free Cash FlowTrailing 4 quarters | $99.5M | $702.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $79.7M | $-34.3M | ||
| Q3 25 | $49.2M | $-66.3M | ||
| Q2 25 | $56.9M | $-58.3M | ||
| Q1 25 | $60.9M | $870.1M | ||
| Q4 24 | $-13.5M | $-30.0M | ||
| Q3 24 | $26.8M | $-77.0M | ||
| Q2 24 | $18.4M | $-71.5M | ||
| Q1 24 | $38.4M | $70.8M |
| Q4 25 | $50.3M | $-36.6M | ||
| Q3 25 | $13.2M | $-69.7M | ||
| Q2 25 | $-3.7M | $-59.6M | ||
| Q1 25 | $39.6M | $868.4M | ||
| Q4 24 | $-36.1M | $-33.8M | ||
| Q3 24 | $-11.5M | $-77.5M | ||
| Q2 24 | $-34.0M | $-78.8M | ||
| Q1 24 | $26.5M | $61.2M |
| Q4 25 | 19.6% | -22.3% | ||
| Q3 25 | 6.8% | -33.1% | ||
| Q2 25 | -1.9% | -33.3% | ||
| Q1 25 | 16.3% | 73.8% | ||
| Q4 24 | -17.8% | -15.8% | ||
| Q3 24 | -6.0% | -39.4% | ||
| Q2 24 | -20.0% | -42.2% | ||
| Q1 24 | 13.4% | 29.1% |
| Q4 25 | 11.5% | 1.4% | ||
| Q3 25 | 18.4% | 1.6% | ||
| Q2 25 | 31.3% | 0.7% | ||
| Q1 25 | 8.7% | 0.1% | ||
| Q4 24 | 11.2% | 1.8% | ||
| Q3 24 | 20.0% | 0.3% | ||
| Q2 24 | 30.8% | 4.0% | ||
| Q1 24 | 6.0% | 4.6% |
| Q4 25 | 6.31× | — | ||
| Q3 25 | 2.77× | -4.17× | ||
| Q2 25 | 5.87× | — | ||
| Q1 25 | 1.82× | 1.00× | ||
| Q4 24 | -0.69× | — | ||
| Q3 24 | 3.02× | — | ||
| Q2 24 | 2.39× | — | ||
| Q1 24 | 1.83× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
