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Side-by-side financial comparison of AXCELIS TECHNOLOGIES INC (ACLS) and ADT Inc. (ADT). Click either name above to swap in a different company.
ADT Inc. is the larger business by last-quarter revenue ($1.3B vs $238.3M, roughly 5.4× AXCELIS TECHNOLOGIES INC). AXCELIS TECHNOLOGIES INC runs the higher net margin — 14.4% vs 11.4%, a 3.0% gap on every dollar of revenue. On growth, ADT Inc. posted the faster year-over-year revenue change (2.9% vs -5.6%). ADT Inc. produced more free cash flow last quarter ($323.5M vs $-8.9M). Over the past eight quarters, ADT Inc.'s revenue compounded faster (2.7% CAGR vs -2.8%).
Axcelis Technologies, Inc. is an American company engaging in the design, manufacture, and servicing of capital equipment for the semiconductor manufacturing industry worldwide. It produces ion implantation systems, including high and medium current implanters, and high energy implanters, and curing systems used in the fabrication of semiconductor chips. The company was incorporated in 1995 and is headquartered in Beverly, Massachusetts, United States.
ADT Inc., formerly the ADT Corporation, is an American security company that provides residential and small business electronic security, fire protection, and other related alarm monitoring services throughout the United States and Canada. The corporate head office is located in Boca Raton, Florida. In February 2016, the company was acquired by Apollo Global Management for $6.9 billion in a leveraged buyout. In January 2018, the company went public on the New York Stock Exchange.
ACLS vs ADT — Head-to-Head
Income Statement — Q4 2025 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $238.3M | $1.3B |
| Net Profit | $34.3M | $145.4M |
| Gross Margin | 47.0% | — |
| Operating Margin | 15.2% | 26.1% |
| Net Margin | 14.4% | 11.4% |
| Revenue YoY | -5.6% | 2.9% |
| Net Profit YoY | -31.3% | -23.5% |
| EPS (diluted) | $1.11 | — |
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 | $238.3M | $1.3B | ||
| Q3 25 | $213.6M | $1.3B | ||
| Q2 25 | $194.5M | $1.3B | ||
| Q1 25 | $192.6M | $1.3B | ||
| Q4 24 | $252.4M | $1.2B | ||
| Q3 24 | $256.6M | $1.2B | ||
| Q2 24 | $256.5M | $1.2B | ||
| Q1 24 | $252.4M | $1.2B |
| Q4 25 | $34.3M | $145.4M | ||
| Q3 25 | $26.0M | $145.1M | ||
| Q2 25 | $31.4M | $165.2M | ||
| Q1 25 | $28.6M | $140.2M | ||
| Q4 24 | $50.0M | $190.0M | ||
| Q3 24 | $48.6M | $127.2M | ||
| Q2 24 | $50.9M | $92.4M | ||
| Q1 24 | $51.6M | $91.6M |
| Q4 25 | 47.0% | — | ||
| Q3 25 | 41.6% | — | ||
| Q2 25 | 44.9% | — | ||
| Q1 25 | 46.1% | — | ||
| Q4 24 | 46.0% | — | ||
| Q3 24 | 42.9% | — | ||
| Q2 24 | 43.8% | — | ||
| Q1 24 | 46.0% | — |
| Q4 25 | 15.2% | 26.1% | ||
| Q3 25 | 11.7% | 24.3% | ||
| Q2 25 | 14.9% | 26.6% | ||
| Q1 25 | 15.1% | 25.2% | ||
| Q4 24 | 21.6% | 32.4% | ||
| Q3 24 | 18.3% | 26.2% | ||
| Q2 24 | 20.6% | 23.6% | ||
| Q1 24 | 22.4% | 16.2% |
| Q4 25 | 14.4% | 11.4% | ||
| Q3 25 | 12.2% | 11.2% | ||
| Q2 25 | 16.1% | 12.8% | ||
| Q1 25 | 14.8% | 11.1% | ||
| Q4 24 | 19.8% | 15.3% | ||
| Q3 24 | 18.9% | 10.2% | ||
| Q2 24 | 19.8% | 7.7% | ||
| Q1 24 | 20.4% | 7.6% |
| Q4 25 | $1.11 | — | ||
| Q3 25 | $0.83 | — | ||
| Q2 25 | $0.98 | — | ||
| Q1 25 | $0.88 | — | ||
| Q4 24 | $1.54 | — | ||
| Q3 24 | $1.49 | — | ||
| Q2 24 | $1.55 | — | ||
| Q1 24 | $1.57 | — |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $374.3M | $80.8M |
| Total DebtLower is stronger | — | $7.4B |
| Stockholders' EquityBook value | $1.0B | $3.8B |
| Total Assets | $1.4B | $15.8B |
| Debt / EquityLower = less leverage | — | 1.95× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $374.3M | $80.8M | ||
| Q3 25 | $449.6M | $62.8M | ||
| Q2 25 | $549.8M | $45.2M | ||
| Q1 25 | $587.1M | $3.7M | ||
| Q4 24 | $571.3M | $96.2M | ||
| Q3 24 | $579.4M | $95.3M | ||
| Q2 24 | $548.3M | $37.9M | ||
| Q1 24 | $530.2M | $4.0M |
| Q4 25 | — | $7.4B | ||
| Q3 25 | — | $7.3B | ||
| Q2 25 | — | $6.8B | ||
| Q1 25 | — | $7.6B | ||
| Q4 24 | — | $7.5B | ||
| Q3 24 | — | $7.5B | ||
| Q2 24 | — | $7.5B | ||
| Q1 24 | — | $7.6B |
| Q4 25 | $1.0B | $3.8B | ||
| Q3 25 | $1.0B | $3.7B | ||
| Q2 25 | $1.0B | $3.7B | ||
| Q1 25 | $1.0B | $3.6B | ||
| Q4 24 | $1.0B | $3.8B | ||
| Q3 24 | $975.6M | $3.9B | ||
| Q2 24 | $934.9M | $3.8B | ||
| Q1 24 | $901.7M | $3.7B |
| Q4 25 | $1.4B | $15.8B | ||
| Q3 25 | $1.4B | $16.0B | ||
| Q2 25 | $1.3B | $16.0B | ||
| Q1 25 | $1.3B | $15.8B | ||
| Q4 24 | $1.3B | $16.1B | ||
| Q3 24 | $1.3B | $16.1B | ||
| Q2 24 | $1.3B | $16.0B | ||
| Q1 24 | $1.3B | $15.9B |
| Q4 25 | — | 1.95× | ||
| Q3 25 | — | 1.99× | ||
| Q2 25 | — | 1.84× | ||
| Q1 25 | — | 2.10× | ||
| Q4 24 | — | 1.98× | ||
| Q3 24 | — | 1.93× | ||
| Q2 24 | — | 1.98× | ||
| Q1 24 | — | 2.03× |
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 | $-6.6M | $373.6M |
| Free Cash FlowOCF − Capex | $-8.9M | $323.5M |
| FCF MarginFCF / Revenue | -3.7% | 25.4% |
| Capex IntensityCapex / Revenue | 1.0% | 3.9% |
| Cash ConversionOCF / Net Profit | -0.19× | 2.57× |
| TTM Free Cash FlowTrailing 4 quarters | $107.0M | $1.7B |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-6.6M | $373.6M | ||
| Q3 25 | $45.4M | $480.1M | ||
| Q2 25 | $39.7M | $563.9M | ||
| Q1 25 | $39.8M | $466.6M | ||
| Q4 24 | $12.8M | $459.7M | ||
| Q3 24 | $45.7M | $498.2M | ||
| Q2 24 | $40.1M | $563.2M | ||
| Q1 24 | $42.2M | $363.8M |
| Q4 25 | $-8.9M | $323.5M | ||
| Q3 25 | $43.3M | $437.4M | ||
| Q2 25 | $37.7M | $526.3M | ||
| Q1 25 | $34.8M | $421.2M | ||
| Q4 24 | $8.1M | $426.0M | ||
| Q3 24 | $41.8M | $455.5M | ||
| Q2 24 | $38.1M | $516.5M | ||
| Q1 24 | $40.6M | $323.1M |
| Q4 25 | -3.7% | 25.4% | ||
| Q3 25 | 20.3% | 33.7% | ||
| Q2 25 | 19.4% | 40.9% | ||
| Q1 25 | 18.1% | 33.2% | ||
| Q4 24 | 3.2% | 34.3% | ||
| Q3 24 | 16.3% | 36.6% | ||
| Q2 24 | 14.8% | 42.9% | ||
| Q1 24 | 16.1% | 26.7% |
| Q4 25 | 1.0% | 3.9% | ||
| Q3 25 | 0.9% | 3.3% | ||
| Q2 25 | 1.0% | 2.9% | ||
| Q1 25 | 2.6% | 3.6% | ||
| Q4 24 | 1.8% | 2.7% | ||
| Q3 24 | 1.5% | 3.4% | ||
| Q2 24 | 0.8% | 3.9% | ||
| Q1 24 | 0.6% | 3.4% |
| Q4 25 | -0.19× | 2.57× | ||
| Q3 25 | 1.75× | 3.31× | ||
| Q2 25 | 1.27× | 3.41× | ||
| Q1 25 | 1.39× | 3.33× | ||
| Q4 24 | 0.26× | 2.42× | ||
| Q3 24 | 0.94× | 3.92× | ||
| Q2 24 | 0.79× | 6.10× | ||
| Q1 24 | 0.82× | 3.97× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ACLS
| Products | $224.6M | 94% |
| Services | $13.7M | 6% |
ADT
| Recurring Monthly Revenue | $1.0B | 82% |
| Installation Revenue | $103.0M | 8% |
| Amortization Of Deferred Subscriber Acquisition Revenue | $89.9M | 7% |
| Other Related Services | $36.0M | 3% |
