Cash conversion is weak—2026Q2 operating cash flow was -$6.4M against $89.0M net income (OCF/NI of -0.07), and cumulative net income of $303.9M exceeds operating cash flow by $197.6M, with CapEx surging to 22.2% of revenue.
ACM Research, Inc. (ACMR) cash flow statement — 11-year operating, investing & financing cash flows
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 |
|---|
| Cash from Operations | -6.6M | -10.32M | 152.45M | -75.32M | -62.19M | -40.09M | -13.55M | 9.4M | 6.91M | -8.1M | -3.7M | 2.7M |
| Operating CF Margin % | - | -1.15% | 19.49% | -13.51% | -16% | -15.44% | -8.65% | 8.74% | 9.26% | -22.19% | -13.53% | 8.66% |
| Operating CF Growth % | -773.92% | -106.77% | 302.4% | -21.11% | -55.12% | -195.95% | -244.07% | 36.1% | 185.29% | -118.83% | -237.01% | - |
| Net Income | 150.23M | 94.08M | 131.27M | 77.35M | 50.56M | 42.92M | 21.68M | 19.46M | 6.57M | -872K | 2.39M | 7.92M |
| Depreciation & Amortization | 21.74M | 16.33M | 9.97M | 8.09M | 5.37M | 2.35M | 1.05M | 788K | 417K | 271K | 187K | 160K |
| Stock-Based Compensation | 20.57M | 33.58M | 49.58M | 27.34M | 7.73M | 5.12M | 5.63M | 3.57M | 3.36M | 1.62M | 383K | 423K |
| Deferred Taxes | -2.74M | -14.38M | 5.29M | -13.65M | 4.03M | -1.84M | -4.08M | -3.72M | -405K | 659K | 436K | -2.43M |
| Other Non-Cash Items | -51.32M | 37.89M | 19.42M | 10.13M | 2.06M | -5.24M | -1.24M | 126K | -123K | -36K | 1.61M | 15.06M |
| Working Capital Changes | -195.02M | -177.83M | -63.07M | -184.59M | -131.94M | -83.4M | -36.58M | -10.82M | -2.92M | -9.74M | -8.71M | -3.36M |
| Change in Receivables | -77.24M | -119.35M | -123.28M | -112.07M | -96.92M | -57.13M | -28.97M | -6.96M | 883K | -9.76M | -4.72M | -7.43M |
| Change in Inventory | -125.15M | -108.22M | -64.14M | -164.03M | -193.31M | -127.66M | -40.77M | -6.66M | -24.08M | -3.07M | -3.06M | -2.1M |
| Change in Payables | 45.42M | 67.85M | 4.73M | 42.34M | 17.5M | 65.21M | 21.27M | -3.06M | 9.82M | 1.91M | 3.18M | -2.62M |
| Cash from Investing | -438.52M | -390.33M | -11.96M | -6.75M | -265.67M | -11.28M | -69.95M | -5.53M | -2.07M | -23.72M | -810K | -1.37M |
| Capital Expenditures | -112.14M | -56.28M | -82.46M | -61.88M | -91.09M | -9.15M | -45.42M | -1.13M | -2.07M | -766K | -817K | -1.37M |
| CapEx % of Revenue | 10.81% | 6.24% | 10.54% | 11.09% | 23.43% | 3.52% | 29% | 1.05% | 2.77% | 2.1% | 2.98% | 4.39% |
| Acquisitions | 0 | 0 | 0 | 0 | -1M | -1.57M | 0 | -4.41M | 0 | -22.01M | 7K | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -336.88M | -335.71M | -3.48M | -2.46M | -426K | 1.01M | -9.51M | -4.56M | -241K | -831K | 7K | 0 |
| Cash from Financing | 964.11M | 742.49M | 92.48M | 18.53M | 45.87M | 538.77M | 32.83M | 87.44M | 5.12M | 38.72M | 10.55M | 2.27M |
| Debt Issued (Net) | 48.13M | 99.08M | 88.28M | 16.34M | 44.56M | -12M | 30.09M | 4.42M | 4.59M | 44K | 0 | 2.27M |
| Equity Issued (Net) | 775.17M | 650.74M | 11.1M | 6.14M | 1.31M | 550.76M | 0 | 83.29M | 0 | 0 | 0 | 0 |
| Dividends Paid | -7.58M | -7.58M | -6.9M | -3.95M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | -6.99M | 0 | 0 | 0 | 0 | 0 | -2.83M | 0 | 0 | 0 | 0 |
| Other Financing | 148.39M | 242K | 0 | 0 | 0 | 0 | 2.75M | -259K | 528K | 38.68M | 10.55M | 0 |
| Net Change in Cash | 537.7M | 354.65M | 228.14M | -65.28M | -314.62M | 491.3M | -46.09M | 90.73M | 9.44M | 7.56M | 5.72M | 3.23M |
| Free Cash Flow | -120.13M | -66.61M | 69.99M | -139.66M | -154.71M | -49.8M | -69.03M | 8.28M | 4.84M | -8.87M | -4.52M | 1.33M |
| FCF Margin % | -11.58% | -7.39% | 8.95% | -25.04% | -39.79% | -19.17% | -44.07% | 7.7% | 6.48% | -24.29% | -16.51% | 4.27% |
| FCF Growth % | -581.11% | -195.17% | 150.11% | 9.73% | -210.64% | 27.85% | -933.92% | 71.1% | 154.56% | -96.22% | -439.52% | - |
| FCF per Share | -1.67 | -0.99 | 1.06 | -2.15 | -2.37 | -0.76 | -1.09 | 0.14 | 0.09 | -0.20 | -0.19 | 0.17 |
| FCF Conversion (FCF/Net Income) | -0.80x | -0.11x | 1.47x | -0.97x | -1.58x | -1.06x | -0.72x | 0.50x | 1.05x | 25.64x | -3.59x | 0.50x |
| Interest Paid | 3.64M | 6.96M | 4.15M | 2.68M | 1.66M | 765K | 982K | 745K | 0 | 0 | 0 | 0 |
| Taxes Paid | 8.98M | 0 | 11.22M | 26.1M | 3.59M | 1.13M | 4.97M | 1.16M | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying ACMR stock.
ACM Research, Inc. (ACMR) generated $-10.3M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
ACM Research, Inc. (ACMR) reported negative free cash flow of $66.6M in 2025, indicating capital requirements exceeded cash from operations.
ACM Research, Inc. (ACMR) spent $56.3M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2025, ACM Research, Inc. (ACMR) returned $7.6M to shareholders via cash dividends and spent $7.0M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
China concentration and trade policy
Metrics are mathematically derived from official filings.
Earnings Quality Masked by Working Capital
In 2026Q2, ACMR reported $89.0M net income but negative $6.4M operating cash flow, an OCF/NI of -0.07, suggesting earnings quality is heavily dependent on working capital timing.
The persistent gap between net income and operating cash flow, with OCF/NI swinging from 4.21 in 2025Q4 to -1.71 in 2026Q1, indicates that reported profits are not yet translating into cash. This pattern likely reflects the company's revenue recognition tied to customer acceptance, which can delay cash collections. Investors should monitor whether this is a timing issue or a structural deterioration in cash conversion.
Free Cash Flow Volatility Amid Growth
FCF swung from $75.7M in 2024Q4 to -$71.5M in 2026Q2, with FCF margins ranging from 33.9% to -27.9%, highlighting the lumpy nature of capital equipment sales.
Despite strong revenue growth, free cash flow has been highly erratic, with negative FCF in five of the last ten quarters. The 2026Q2 FCF margin of -24.4% contrasts sharply with the 33.9% in 2024Q4, suggesting that growth is consuming cash rather than generating it. This volatility may indicate that the company is investing heavily in working capital to support expansion, but the sustainability of this trend warrants close attention.
Capital Intensity Rising with Expansion
CapEx as a percentage of revenue jumped to 22.2% in 2026Q2 from 5.6% in 2025Q4, indicating a significant increase in capital spending to support growth initiatives.
The sharp rise in capital intensity suggests ACMR is investing in capacity and possibly new product lines, which could be a positive signal for future growth. However, this elevated CapEx, combined with negative operating cash flow, has led to a cash burn in recent quarters. The company's ability to convert these investments into profitable cash generation will be critical, especially given its heavy reliance on the Chinese market.
Working Capital Swings Drive Cash Flow
Working capital changes were a major drag, with -$67.4M in 2026Q2 and -$75.1M in 2026Q1, reflecting significant cash outflows tied to receivables and inventory buildup.
The consistent negative working capital changes, except for 2024Q4, indicate that ACMR is funding growth through increased receivables and inventory. This pattern is typical for equipment makers with long acceptance cycles, but the magnitude of the swings suggests potential inefficiencies in collections or inventory management. If these trends persist, they could strain liquidity despite the company's large cash balance.
Conservative Capital Deployment Strategy
ACMR has not paid dividends or repurchased shares in most quarters, with only a $7.0M buyback in 2025Q2, indicating a defensive posture focused on cash accumulation.
The company's capital deployment appears conservative, with no dividends and minimal buybacks, despite a cash balance of $765.9M. This suggests management is prioritizing liquidity for potential inorganic growth or to navigate geopolitical uncertainties. However, the lack of shareholder returns may be a concern for investors seeking income, and the large cash pile could indicate limited attractive investment opportunities.
Cumulative Earnings Outpace Cash Generation
Over the last ten quarters, cumulative net income of $303.9M exceeds cumulative operating cash flow of $106.3M, a gap of $197.6M, suggesting earnings are not fully converting to cash.
The significant cumulative divergence between net income and operating cash flow raises questions about the quality of earnings. This gap may be driven by aggressive revenue recognition or working capital buildup, and it implies that reported profitability may overstate the company's actual cash-generating ability. Investors should monitor whether this gap narrows as the company matures or if it indicates a structural issue.
What Could Invalidate the Base Case
The cash flow statement may obscure the impact of stock-based compensation and subsidiary-level cash restrictions, as SBC of $6.6M in 2026Q2 is not fully reflected in operating cash flow.
While SBC is added back in the cash flow statement, it represents a real economic cost to shareholders that is not captured in operating cash flow. Additionally, the large cash balance of $765.9M may be largely held at the subsidiary level in China, potentially limiting its availability for US-based capital returns. Investors should consider these factors when assessing the true cash-generating ability and financial flexibility of the company.