Operational efficiency remains high, evidenced by an OCF/NI ratio frequently exceeding 1.10 and free cash flow margins that reached as high as 37.9% in 2024Q3.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Cash from Operations | 157.6M | 164.97M | 126.02M | 92.26M | 64.36M | 55.69M | 58.58M | 47.01M | 38.73M | 34.28M | 37.85M | 32.49M | 31.97M | 33.53M | 31.69M | 38.51M | 34.18M | 31.57M | 25.76M | 24.47M | 25.88M | 17.16M | 15.11M | 9.52M | 8.21M | 200K | 9.77M | 2.21M | 5.4M | 7.3M | 7.1M |
| Operating CF Margin % | - | 44.26% | 39.66% | 32.79% | 27.26% | 29.43% | 36.45% | 29.7% | 26.82% | 23.67% | 27.17% | 24.84% | 21.34% | 25.07% | 22.87% | 27.01% | 25.78% | 26.91% | 18.09% | 19.54% | 21.8% | 21.16% | 27.14% | 21.04% | 20.96% | 0.5% | 30.1% | 7% | 18.75% | 22.53% | 17.66% |
| Operating CF Growth % | 77.52% | 30.91% | 36.59% | 43.34% | 15.58% | -4.93% | 24.6% | 21.37% | 12.99% | -9.42% | 16.47% | 1.63% | -4.65% | 5.82% | -17.71% | 12.65% | 8.27% | 22.59% | 5.24% | -5.42% | 50.81% | 13.55% | 58.7% | 16.01% | 4003.5% | -97.95% | 342.44% | -59.11% | -26.03% | 2.82% | -10.13% |
| Net Income | 130.74M | 134.28M | 108.84M | 74.55M | 45.43M | 37.05M | 28.22M | 26.06M | 19.68M | 27.15M | 17.75M | 12.89M | 19.37M | 14.8M | 16.42M | 22.19M | 18.04M | 13.67M | 14.43M | 10.45M | 12.7M | 7.95M | 6.33M | 3.86M | 636K | 1.77M | -291K | 2.53M | 2.9M | 3.1M | 2.6M |
| Depreciation & Amortization | 25.68M | 25.22M | 24.17M | 23.83M | 22.2M | 20.9M | 21.62M | 18.56M | 18.23M | 209K | 210K | 249K | 14.9M | 14.5M | 194K | 184K | 304K | 393K | 13.47M | 12.9M | 10.17M | 8.45M | 8.8M | 6.71M | 6.66M | 6.34M | 5.32M | 4.75M | 2.9M | 3.6M | 3.9M |
| Stock-Based Compensation | 5.66M | 0 | 4.89M | 3.18M | 2.64M | 2.24M | 1.92M | 1.52M | 1.49M | 1.41M | 1.04M | 1.2M | 1.1M | 934K | 1.08M | 848K | 737K | 576K | 627K | 0 | 395K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 3.34M | -660K | -1M | -923K | 2.53M | 1.52M | 4.31M | 0 | 20K | -7.61M | 648K | -227K | 1.06M | 1.79M | 2.13M | 3.65M | 3.09M | 1.68M | 2.36M | 1.8M | 1.77M | -182K | 1.83M | 449K | 0 | 0 | -317K | 329K | 100K | -2.5M | 0 |
| Other Non-Cash Items | -7.92M | 8.74M | 76K | 380K | -310K | 16K | 5K | 5.12M | 14K | 16.73M | 16.57M | 15.85M | 112K | 132K | 15.04M | 13.74M | 13.35M | 13.05M | 55K | 595K | 45K | 969K | 529K | 95K | 30K | 9K | 76K | -18K | 100K | 500K | -100K |
| Working Capital Changes | 90K | -2.6M | -10.96M | -8.76M | -8.12M | -6.03M | 2.5M | -4.25M | -700K | -3.6M | 1.63M | 2.54M | -4.57M | 1.38M | -3.18M | -2.1M | -1.34M | 2.2M | -5.19M | -1.31M | 797K | -24K | -2.38M | -1.59M | 884K | -7.92M | 4.98M | -5.38M | -600K | 2.6M | 700K |
| Change in Receivables | -2.34M | -3.95M | -5.93M | 0 | -6.44M | -3.74M | 1.11M | -3.35M | -3.13M | 308K | -892K | 1.55M | -3.35M | 455K | 1.04M | -1.76M | -474K | 1.13M | -579K | 0 | -1.64M | -43K | -2.51M | -1.76M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -2.75M | -3.22M | -3.37M | 0 | -4.29M | 94K | -1.39M | -542K | 700K | -1.11M | 2.29M | -1.29M | 252K | 439K | -3.36M | -164K | -1.14M | 2.84M | -2.4M | -1.31M | -871K | -1.24M | -377K | 173K | 275K | -825K | 34K | -1.11M | -200K | 300K | 300K |
| Change in Payables | 4.09M | 4.54M | -1.01M | 0 | 2.7M | 0 | 2.47M | 0 | 1.81M | -2.72M | 532K | 198K | -952K | 637K | -1.09M | -294K | 441K | -1.31M | -401K | 0 | 2.27M | 915K | 1.55M | 718K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -65.69M | -62.48M | -26.86M | -31.96M | -31.15M | -29.63M | -25.19M | -26.54M | -53.16M | -20.75M | -17.51M | -11.06M | -15.06M | -8.67M | -8.25M | -9.29M | -9.25M | -6.41M | -18.28M | -18.17M | -37.39M | -27.51M | -13.55M | -12M | -3.55M | -3.8M | -33.64M | -10.64M | -22.8M | -4.1M | -6.1M |
| Capital Expenditures | -66.19M | -62.7M | -27.41M | -34.25M | -26.82M | -29.91M | -17.13M | -27.1M | -53.76M | -21.34M | -17.66M | -11.46M | -11.67M | -8.92M | -8.29M | -9.41M | -9.33M | -6.65M | -15.76M | -18.23M | -35.55M | -11.01M | -13.61M | -12.01M | -3.62M | -4.11M | -33.73M | -10.86M | -22.8M | -11.9M | -6.1M |
| CapEx % of Revenue | 17.92% | 16.82% | 8.63% | 12.17% | 11.36% | 15.81% | 10.66% | 17.12% | 37.22% | 14.73% | 12.68% | 8.76% | 7.79% | 6.67% | 5.99% | 6.6% | 7.03% | 5.67% | 11.07% | 14.55% | 29.95% | 13.58% | 24.44% | 26.55% | 9.25% | 10.35% | 103.93% | 34.44% | 79.17% | 36.73% | 15.17% |
| Acquisitions | -71K | 214K | 0 | 0 | -5.63M | 0 | -8.39M | 0 | 605K | 592K | -50K | -50K | -3.71M | 0 | 0 | 0 | 0 | 0 | -2.53M | 0 | -1.86M | -16.93M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 562K | 0 | 556K | 2.29M | 1.29M | 285K | 331K | 558K | 605K | 592K | 208K | 449K | 316K | 255K | 42K | 128K | 74K | 247K | 11K | 56K | 17K | 429K | 60K | 11K | 76K | 309K | 87K | 224K | -100K | 7.8M | -100K |
| Cash from Financing | -9.37M | -9.39M | -9.1M | -5.71M | -5.18M | -4.27M | -4.08M | -33.43M | -3.36M | -3.25M | -5.55M | -19.84M | -8.06M | -5.18M | -47.02M | -12.07M | -5.17M | -9.54M | -7.72M | -5.51M | 10.49M | 11.44M | -7.71M | 8.63M | -5.04M | -862K | 10.93M | 25.76M | 15.2M | -1.4M | -1.2M |
| Debt Issued (Net) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -16.67M | -5M | -5M | -6.25M | -3.75M | -5M | -9.69M | -5M | -5.61M | 9.64M | 11M | -7.77M | 8.85M | -4.46M | -9.83M | 11.32M | 26.16M | 15.6M | -1.1M | -1.1M |
| Equity Issued (Net) | -2.26M | -2.52M | -3.51M | -1.27M | -767K | -731K | -557K | -444K | -411K | -309K | -2.93M | -403K | -266K | -212K | -40.85M | -8.32M | -173K | -100K | -77K | -67K | 734K | 440K | 60K | 68K | 0 | 9.55M | 0 | 0 | 0 | 100K | 400K |
| Dividends Paid | -6.87M | -6.87M | -5.72M | -4.55M | -4.54M | -3.62M | -3.6M | -33.06M | -3.02M | -3.01M | -2.78M | -2.8M | -2.79M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -291K | -583K | -579K | -400K | -400K | -400K | -400K | -400K |
| Share Repurchases | -2.26M | -2.68M | -3.51M | -1.27M | -767K | -731K | -557K | -444K | -411K | -309K | -2.93M | -403K | -266K | -212K | -40.85M | -8.32M | -173K | -100K | -77K | -67K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -242K | 0 | 130K | 113K | 120K | 84K | 81K | 75K | 73K | 73K | 155K | 28K | 0 | 34K | 75K | 0 | 0 | 250K | -2.64M | 164K | 113K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -100K |
| Net Change in Cash | 82.53M | 93.09M | 90.07M | 54.58M | 28.03M | 21.79M | 29.3M | -12.96M | -17.78M | 10.29M | 14.79M | 1.59M | 8.86M | 19.69M | -23.59M | 17.15M | 19.76M | 15.63M | -243K | 794K | -1.03M | 1.08M | -6.15M | 6.15M | -380K | -4.47M | -12.95M | 17.33M | 15.2M | -1.4M | -1.2M |
| Free Cash Flow | 91.41M | 102.27M | 98.61M | 58.01M | 37.55M | 25.77M | 41.44M | 19.91M | -15.03M | 12.95M | 20.18M | 21.04M | 20.3M | 24.61M | 23.39M | 29.09M | 24.86M | 24.92M | 10M | 6.25M | -9.68M | 6.15M | 1.5M | -2.49M | 4.58M | -3.91M | -23.96M | -8.65M | -17.4M | -4.6M | 1M |
| FCF Margin % | 24.75% | 27.44% | 31.04% | 20.62% | 15.9% | 13.62% | 25.79% | 12.58% | -10.4% | 8.94% | 14.49% | 16.08% | 13.55% | 18.4% | 16.89% | 20.41% | 18.75% | 21.24% | 7.02% | 4.99% | -8.15% | 7.58% | 2.7% | -5.51% | 11.71% | -9.84% | -73.83% | -27.43% | -60.42% | -14.2% | 2.49% |
| FCF Growth % | -11.12% | 3.72% | 69.98% | 54.49% | 45.68% | -37.8% | 108.14% | 232.5% | -216.08% | -35.86% | -4.05% | 3.61% | -17.51% | 5.2% | -19.59% | 17.05% | -0.26% | 149.31% | 60.04% | 164.55% | -257.38% | 309.32% | 160.25% | -154.37% | 217.17% | 83.67% | -176.94% | 50.28% | -278.26% | -560% | -66.67% |
| FCF per Share | 3.18 | 3.56 | 3.44 | 2.03 | 1.32 | 0.91 | 1.47 | 0.71 | -0.54 | 0.46 | 0.72 | 0.75 | 0.73 | 0.88 | 0.82 | 0.91 | 0.77 | 0.78 | 0.31 | 0.20 | -0.31 | 0.20 | 0.05 | -0.09 | 0.16 | -0.14 | -1.21 | -0.44 | -0.89 | -0.23 | 0.05 |
| FCF Conversion (FCF/Net Income) | 0.70x | 1.23x | 1.16x | 1.24x | 1.42x | 1.50x | 2.08x | 1.80x | 1.97x | 1.26x | 2.13x | 2.52x | 1.65x | 2.27x | 1.93x | 1.74x | 1.89x | 2.31x | 1.78x | 2.34x | 2.04x | 2.16x | 2.39x | 2.47x | 12.90x | 0.11x | -33.57x | 0.87x | 1.86x | 2.35x | 2.73x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 150K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Energy price and volume volatility
Based on reported financial statements, USLM consistently generates operating cash flow in excess of net income, with an OCF/NI ratio frequently exceeding 1.10, which suggests that the company's reported earnings are supported by high-quality, cash-generative operations rather than aggressive accounting accruals or non-cash adjustments.
The persistent gap between net income and operating cash flow indicates that non-cash charges, such as depreciation and depletion, are significant contributors to the company's cash profile. This relationship suggests a conservative earnings quality that provides investors with a reliable view of the underlying industrial cash generation.
As indicated by recent quarterly filings, USLM maintains robust free cash flow margins that peaked at 37.9% in 2024Q3, demonstrating that the business model effectively converts its high-margin industrial and royalty revenue into significant discretionary cash despite periodic fluctuations in capital expenditure requirements.
The trajectory of free cash flow appears to be highly sensitive to the timing of capital investments, yet the company consistently maintains positive cash generation even during periods of elevated spending. This suggests that the core business possesses sufficient structural profitability to self-fund its operational needs without external financing.
According to the provided data, USLM's capital expenditure as a percentage of revenue has fluctuated between 5.7% and 22.6% over the last ten quarters, suggesting that management is actively balancing necessary maintenance of aging kiln infrastructure with strategic investments to support long-term production capacity.
The variability in capital intensity warrants further investigation, as it may reflect the lumpy nature of major equipment upgrades or facility expansions. Investors should monitor whether these expenditures are successfully driving incremental volume growth or merely serving to offset the natural depletion of high-purity limestone reserves.
Based on reported figures, USLM experienced a significant working capital outflow of $11.8 million in 2024Q2, which highlights the potential for inventory and receivable fluctuations to temporarily impact cash flow, even when the underlying industrial demand for lime remains relatively stable across its core regional markets.
The periodic swings in working capital suggest that the company's cash flow is susceptible to timing differences in customer payments and inventory management. While these fluctuations appear to be transitory, they underscore the importance of monitoring the cash conversion cycle to ensure that operational efficiency is not being compromised.
As reported in financial statements, USLM maintains a fortress balance sheet with minimal debt and a growing cash pile, as evidenced by the limited use of share repurchases and dividends, which suggests that management prioritizes liquidity and financial flexibility over aggressive capital return programs for shareholders.
The accumulation of cash on the balance sheet may indicate a lack of immediate, high-return investment opportunities or a cautious outlook on the broader construction cycle. This approach provides a significant defensive buffer but may also lead to questions regarding the long-term efficiency of capital deployment.
Quick answers to the most common questions about buying USLM stock.
United States Lime & Minerals, Inc. (USLM) generated $165.0M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
United States Lime & Minerals, Inc. (USLM) generated $102.3M in free cash flow in 2025. Free cash flow is the cash left over after capital expenditures, which can be used to pay dividends, repurchase shares, or pay down debt.
United States Lime & Minerals, Inc. (USLM) spent $62.7M 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, United States Lime & Minerals, Inc. (USLM) returned $6.9M to shareholders via cash dividends and spent $2.7M on share repurchases. This shows the company's commitment to returning capital to its equity investors.