Cash flow remains inconsistent due to inventory cycles, as evidenced by the swing from a $315.5 million working capital inflow in 2023Q4 to a $254.0 million outflow in 2025Q1.
| 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 | 835M | 614.3M | 407.2M | 85.9M | 224.9M | 16.1M | 166.9M | 230.1M | 392.8M | 22.4M | -43.7M | 131.4M | 55.9M | 368.4M | 427.5M | 296.8M | 27.1M | 218.5M | 754.5M | 709.8M | 308.5M | 222.6M | 24.1M | 82M | 204.2M | 122.8M | 135.5M | 72.2M | 399.4M | 256.7M | 226.8M |
| Operating CF Margin % | - | 13.39% | 9.34% | 2.06% | 5.86% | 0.57% | 5.6% | 5.58% | 9.71% | 0.64% | -1.39% | 3.53% | 1.32% | 9.11% | 9.16% | 5.73% | 0.67% | 7.15% | 14.21% | 13.02% | 6.25% | 6.29% | 0.88% | 4.23% | 10.7% | 5.77% | 5.51% | 3.14% | 10.18% | 6.85% | 5.94% |
| Operating CF Growth % | 1137.5% | 50.86% | 374.04% | -61.81% | 1296.89% | -90.35% | -27.47% | -41.42% | 1653.57% | 151.26% | -133.26% | 135.06% | -84.83% | -13.82% | 44.04% | 995.2% | -87.6% | -71.04% | 6.3% | 130.08% | 38.59% | 823.65% | -70.61% | -59.84% | 66.29% | -9.37% | 87.67% | -81.92% | 55.59% | 13.18% | - |
| Net Income | 425.5M | 404.3M | 382.7M | 423.4M | 339.1M | 206.6M | -1.56B | 265M | 236.7M | -79.7M | -627.1M | -365.9M | 9.6M | 161.6M | 167.8M | 223.1M | 78.7M | 38M | 573.5M | 747.1M | 571.9M | 359.8M | 19.8M | -314.6M | -65.8M | -25.2M | 132.5M | 111M | 155M | 328.8M | 248.8M |
| Depreciation & Amortization | 127.3M | 168.1M | 151.5M | 146.1M | 142.9M | 143.9M | 143.3M | 151.1M | 156.4M | 160.8M | 170.3M | 189.9M | 176.8M | 189.9M | 194M | 174.4M | 141.5M | 132.6M | 118.8M | 102.9M | 84.2M | 77.3M | 76.1M | 74.6M | 90M | 98.6M | 99.7M | 95.3M | 82.1M | -104.4M | -109.7M |
| Stock-Based Compensation | 15.1M | 29M | 34.1M | 29.1M | 26M | 21.1M | 2.9M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 50.1M | 59.1M | 86.4M | -138.2M | -100K | 1M | 69.9M | -40.9M | 2.1M | -1.4M | -119.8M | -118M | 31.7M | 70.1M | -19.4M | 52.7M | 102.2M | 123.6M | 129M | 55.5M | 8.2M | -92M | -400K | 72.7M | 25.6M | 24.5M | 57.8M | -11.3M | -6.7M | -4.3M | 19.1M |
| Other Non-Cash Items | -123M | 6.5M | -68.6M | 3M | 111.3M | 48.8M | 1.35B | -50.5M | -17.1M | 150.9M | 471.3M | 181.1M | 0 | -355.6M | 13M | 0 | 0 | 0 | 0 | 0 | 0 | 24.4M | -47.5M | 53.1M | 36.6M | 76.9M | 19.2M | -30.7M | 48.2M | 142.9M | 182.1M |
| Working Capital Changes | 147.2M | -52.7M | -178.9M | -377.5M | -394.3M | -405.3M | 163.3M | -94.6M | 14.7M | -208.2M | 61.6M | 244.3M | -162.2M | 302.4M | 72.1M | -153.4M | -295.3M | -75.7M | -66.8M | -195.7M | -355.8M | -146.9M | -23.9M | 196.2M | 117.8M | -52M | -173.7M | -92.1M | 13.7M | -78.4M | -119.4M |
| Change in Receivables | 163.6M | 27.1M | -85M | -46.1M | -128.5M | -126M | 208.4M | -52.1M | 16M | -93.2M | -51.8M | 203.3M | -70.3M | 41.1M | 95.8M | -78.8M | -153.4M | 141.4M | 121.7M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -191M | -52.8M | -118.5M | -51.8M | -190.8M | -53.9M | 158.2M | 25.4M | -108.5M | -139.2M | 234.7M | 201.2M | -143.7M | 146.6M | -152.3M | -227.3M | -199M | 67.8M | 28.6M | -117.4M | -191.6M | -87.9M | -96.8M | 32.6M | 99.4M | 67.9M | -20.4M | -500K | 49.5M | -68.8M | -67.1M |
| Change in Payables | 86M | -43.4M | 87.6M | -29.8M | 156.1M | 88.5M | -230.5M | 30.1M | 153.7M | 125.8M | -51.2M | -211.3M | 82.1M | -7.8M | 9.2M | 50M | 85.5M | 30.1M | -109.9M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -237.5M | -234.5M | -159.6M | -193.2M | -126.7M | -77.3M | -128.7M | 81.7M | -145.1M | -119.6M | -200M | -145.1M | -316.2M | -11M | -378.7M | -624.7M | -216.8M | -453.7M | -513.9M | -451.7M | -232.7M | -109.2M | -54.6M | -70.3M | -39.8M | -85M | -70M | 429.7M | -328.5M | 25.4M | 25.9M |
| Capital Expenditures | -72.1M | -280.6M | -239.1M | -200.7M | -130.9M | -152.6M | -136.5M | -168.2M | -139.2M | -122.7M | -202.2M | -144.6M | -225.7M | -612.7M | -382M | -278.2M | -219.1M | -415.4M | -515.7M | -457.1M | -235.2M | -90.1M | -49.9M | -74.4M | -48.7M | -104.2M | -88.3M | -74.1M | -172.6M | -96.3M | -88.6M |
| CapEx % of Revenue | 1.57% | 6.12% | 5.48% | 4.81% | 3.41% | 5.45% | 4.58% | 4.08% | 3.44% | 3.48% | 6.45% | 3.89% | 5.34% | 15.15% | 8.19% | 5.37% | 5.41% | 13.6% | 9.71% | 8.38% | 4.76% | 2.55% | 1.83% | 3.84% | 2.55% | 4.9% | 3.59% | 3.23% | 4.4% | 2.57% | 2.32% |
| Acquisitions | 0 | 0 | 48M | -300K | 300K | 53.1M | 0 | 158.1M | -10M | 0 | 0 | -500K | -92.9M | 600.9M | 0 | -349.2M | 0 | -38.9M | 0 | -9M | 500K | -18.3M | -7.5M | 0 | 0 | -500K | 0 | 0 | -218.9M | -15.2M | 107.8M |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -165.4M | 46.1M | 31.5M | 7.8M | 3.9M | 22.2M | 7.8M | 91.8M | 4.1M | 3.1M | 2.2M | 0 | 2.4M | 800K | 3.3M | 2.7M | 2.3M | 600K | 1.8M | 4.7M | 2M | -800K | 2.8M | 4.1M | 8.9M | 19.7M | 18.3M | 503.8M | 16.2M | 152.2M | 23.9M |
| Cash from Financing | -681.2M | -699.9M | -260.4M | 267.2M | -201.9M | 103M | 116.9M | -203M | -7.3M | 9.2M | 323.5M | -106M | -497M | 364.8M | -124.8M | 276.2M | -86.8M | 474.1M | -394M | -137.1M | 63.8M | -1.5M | 201.7M | 8.5M | -138.7M | -30.3M | -90M | -525.4M | -49.8M | -294.3M | -302.8M |
| Debt Issued (Net) | -96M | -182.6M | -34.5M | 385.8M | -28.7M | 181.8M | 179.5M | -152.7M | -5.2M | -342.9M | 387.9M | -22.1M | -414.9M | 468.5M | -27.1M | 353.1M | -8.4M | 563.7M | -17.9M | -23.9M | -7.1M | -25.7M | -14.4M | 12.4M | -85.5M | 36.7M | 193.7M | -153.9M | 114.6M | -109.8M | -146M |
| Equity Issued (Net) | -496.9M | -470M | -286M | -96.4M | -145.6M | -4.8M | -7.8M | -9.9M | -6.5M | 393M | 0 | -1.4M | -3.9M | -6.6M | -23.4M | -2.2M | -900K | -600K | -278.3M | -55.7M | 33.1M | 26.1M | 237.3M | 200K | 0 | -2.8M | -217.7M | -249.4M | -41.1M | -72.3M | -51.2M |
| Dividends Paid | 0 | -13.2M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -25.8M | -66.5M | -77.1M | -76.9M | -76.5M | -74.7M | -70.8M | -71.4M | -71.4M | -58.1M | -43.1M | -27.1M | -21.2M | -19.4M | -53.2M | -64.2M | -66M | -122.1M | -122.3M | -112.2M | -106.1M |
| Share Repurchases | -415.8M | -470M | -286M | -96.4M | -145.6M | -4.8M | -7.8M | -9.9M | -6.5M | -4.8M | 0 | -1.4M | -3.9M | -6.6M | -23.4M | -2.2M | -900K | 0 | -278.3M | -61.2M | 0 | 0 | 0 | 200K | 0 | -3M | -221M | -257.6M | -49.4M | -107.7M | -65.1M |
| Other Financing | -88.3M | -34.1M | 60.1M | -22.2M | -27.6M | -74M | -54.8M | -40.4M | 4.4M | -40.9M | -38.6M | -16M | -1.1M | -20.2M | 2.2M | 0 | -6.7M | -18.2M | -26.4M | 6.1M | 80.9M | 25.2M | 0 | 15.3M | 0 | 0 | 0 | 0 | 0 | -3.4M | 85M |
| Net Change in Cash | -74.1M | -304.5M | -22.7M | 159.9M | -103.7M | 41.8M | 155.1M | 108.8M | 240.4M | -88M | 79.8M | -119.7M | -757.3M | 722.2M | -76M | -51.7M | -276.5M | 238.9M | -153.4M | 121M | 139.6M | 111.9M | 171.2M | 20.2M | 25.7M | 7.5M | -24.5M | -23.5M | 21.1M | -12.2M | -50.1M |
| Free Cash Flow | 552.5M | 333.7M | 168.1M | -114.8M | 94M | -136.5M | 30.4M | 61.9M | 253.6M | -100.3M | -245.9M | -13.2M | -169.8M | -244.3M | 45.5M | 18.6M | -192M | -196.9M | 238.8M | 252.7M | 73.3M | 132.5M | -25.8M | 7.6M | 155.5M | 18.6M | 47.2M | -1.9M | 226.8M | 160.4M | 138.2M |
| FCF Margin % | 12.03% | 7.27% | 3.85% | -2.75% | 2.45% | -4.88% | 1.02% | 1.5% | 6.27% | -2.85% | -7.84% | -0.35% | -4.02% | -6.04% | 0.97% | 0.36% | -4.74% | -6.45% | 4.5% | 4.63% | 1.48% | 3.74% | -0.94% | 0.39% | 8.15% | 0.87% | 1.92% | -0.08% | 5.78% | 4.28% | 3.62% |
| FCF Growth % | 195.61% | 98.51% | 246.43% | -222.13% | 168.86% | -549.01% | -50.89% | -75.59% | 352.84% | 59.21% | -1762.88% | 92.23% | 30.5% | -636.92% | 144.62% | 109.69% | 2.49% | -182.45% | -5.5% | 244.75% | -44.68% | 613.57% | -439.47% | -95.11% | 736.02% | -60.59% | 2584.21% | -100.84% | 41.4% | 16.06% | - |
| FCF per Share | 3.96 | 2.35 | 1.15 | -0.77 | 0.62 | -1.07 | 0.24 | 0.42 | 1.74 | -0.91 | -2.29 | -0.12 | -1.59 | -2.29 | 0.39 | 0.16 | -1.95 | -2.01 | 2.39 | 2.45 | 0.72 | 1.31 | -0.29 | 0.09 | 1.94 | 0.23 | 0.57 | -0.02 | 2.34 | 1.83 | 1.57 |
| FCF Conversion (FCF/Net Income) | 1.30x | 1.52x | 1.11x | 0.21x | 0.70x | 0.09x | -0.11x | 0.91x | 1.77x | -0.24x | 0.07x | -0.35x | -21.50x | 2.39x | 2.84x | 1.38x | 0.38x | 6.89x | 1.33x | 0.95x | 0.54x | 0.62x | 1.22x | -0.26x | -3.10x | -4.87x | 1.02x | 0.24x | 1.66x | 0.86x | 1.06x |
| Interest 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 |
| 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 |
Aerospace OEM production bottlenecks
As reported in recent financial statements, ATI's operating cash flow to net income ratio has fluctuated significantly, ranging from a low of -1.49 in 2024Q1 to a high of 3.27 in 2025Q4, indicating that reported earnings are frequently decoupled from actual cash generation cycles.
The wide variance in the OCF/NI ratio suggests that accrual-based accounting, particularly regarding inventory and contract-based revenue recognition, creates substantial noise in quarterly cash flow. Investors should monitor whether this volatility is a structural byproduct of long-cycle aerospace manufacturing or a sign of inconsistent working capital management.
Based on the provided quarterly data, ATI's free cash flow trajectory remains highly inconsistent, with margins swinging from a negative 15.8% in 2024Q1 to a peak of 34.2% in 2023Q4, highlighting the sensitivity of cash generation to production timing and inventory management.
The inability to maintain a consistent positive FCF margin suggests that the company's cash flow is highly susceptible to the timing of OEM deliveries and the associated inventory build-up. This pattern warrants further investigation into whether the company can stabilize cash conversion as it scales its high-performance materials segment.
According to the company's cash flow statements, working capital changes have been a primary driver of cash flow variance, with a significant $315.5 million inflow in 2023Q4 contrasting sharply with a $254.0 million outflow in 2025Q1, reflecting intense pressure from supply chain inventory requirements.
These dramatic swings in working capital suggest that ATI is frequently forced to absorb the costs of inventory accumulation when OEM production schedules shift. This dynamic implies that the company's cash position is effectively hostage to the operational bottlenecks currently plaguing the broader aerospace manufacturing sector.
As indicated by the reported figures, ATI has prioritized share repurchases, including a notable $250 million outflow in 2025Q2, even during periods where free cash flow was negative, suggesting a management strategy that favors shareholder returns over maintaining a conservative cash buffer for operational contingencies.
The decision to aggressively buy back shares while FCF remains volatile may indicate management's confidence in long-term demand, yet it leaves the company with less flexibility to navigate potential aerospace downturns. Investors should monitor whether this capital allocation strategy remains sustainable if OEM production delays persist and continue to pressure cash flow.
Quick answers to the most common questions about buying ATI stock.
ATI Inc. (ATI) generated $614.3M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
ATI Inc. (ATI) generated $333.7M 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.
ATI Inc. (ATI) spent $280.6M 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, ATI Inc. (ATI) returned $13.2M to shareholders via cash dividends and spent $470.0M on share repurchases. This shows the company's commitment to returning capital to its equity investors.