Cash conversion efficiency remains inconsistent, as demonstrated by the FCF margin contracting from 24.0% in 2024Q3 to 9.7% in 2026Q1, largely driven by significant working capital outflows.
| 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 | 678.4M | 680.4M | 668.1M | 716.7M | 557.4M | 565.3M | 569.3M | 528.1M | 479.35M | 432.75M | 399.92M | 360.32M | 367.96M | 401.52M | 326.18M | 217.24M | 184.48M | 212.53M | 223.06M | 197.24M | 160.02M | 144.89M | 142.29M | 111.69M | 108.41M | 105.49M | 91.18M | 96.2M | 89.1M | 86.2M | 90.1M |
| Operating CF Margin % | - | 19.68% | 20.44% | 21.89% | 17.52% | 20.45% | 24.21% | 21.17% | 19.3% | 18.92% | 18.93% | 17.83% | 17.13% | 19.84% | 16.69% | 11.82% | 12.19% | 15.98% | 14.98% | 14.52% | 13.86% | 13.89% | 15.33% | 14% | 14.61% | 14.51% | 12.95% | 14.69% | 13.92% | 15.61% | 16.01% |
| Operating CF Growth % | 39.64% | 1.84% | -6.78% | 28.58% | -1.4% | -0.7% | 7.8% | 10.17% | 10.77% | 8.21% | 10.99% | -2.08% | -8.36% | 23.1% | 50.15% | 17.76% | -13.2% | -4.72% | 13.09% | 23.26% | 10.44% | 1.82% | 27.41% | 3.03% | 2.76% | 15.7% | -5.22% | 7.97% | 3.36% | -4.33% | 63.52% |
| Net Income | 507.7M | 482.5M | 504.6M | 595.6M | 586.7M | 449.3M | 377.8M | 425.5M | 410.57M | 337.26M | 271.11M | 282.81M | 279.39M | 255.22M | 37.63M | 193.86M | 157.1M | 113.39M | 127.03M | 155.15M | 146.67M | 109.8M | 86.41M | 62.35M | 54.11M | 32.71M | 63.45M | 54.4M | 64.6M | 58.7M | 50.2M |
| Depreciation & Amortization | 210.3M | 206.5M | 175.6M | 152.1M | 119.7M | 103M | 83.5M | 76.9M | 77.54M | 84.22M | 86.89M | 78.12M | 76.91M | 79.33M | 78.31M | 72.39M | 58.11M | 56.35M | 48.6M | 38.5M | 30.41M | 26.94M | 31.53M | 30.05M | 30.11M | 44.3M | 36.7M | 34.8M | 33.5M | 24.9M | 21.2M |
| Stock-Based Compensation | 25.9M | 27.3M | 25.8M | 21.8M | 21.6M | 20.4M | 14.8M | 22.1M | 24.75M | 24.41M | 20.33M | 20.05M | 20.72M | 16.99M | 13.1M | 12.08M | 17.36M | 15.71M | 15.01M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 11.3M | 12.8M | -19.4M | -14.7M | -18.5M | -6.1M | 8.2M | 6.6M | -4.34M | -33.74M | -17.31M | -339K | -8.59M | -3.16M | -37.23M | -3.58M | -7.34M | 1.08M | -10.82M | 2.45M | 1.31M | 4.32M | 10.78M | 10.49M | 9.59M | -152K | 1.08M | 3.7M | 3.4M | 6.3M | 4.4M |
| Other Non-Cash Items | -50.3M | 700K | -1.5M | -70.9M | -16.7M | 16.7M | 9.9M | 24.8M | -10.55M | 23.43M | 33.25M | -11.48M | 2.38M | 4.04M | 201.38M | -40.05M | -28.33M | 7.39M | 33.13M | 6.66M | -9.58M | 3.58M | 0 | -5.42M | 629K | -6.04M | -3.96M | 200K | -5.9M | 400K | 6.7M |
| Working Capital Changes | -25.9M | -49.4M | -17M | 32.8M | -135.4M | -18M | 75.1M | -27.8M | -18.63M | -2.81M | 5.65M | -8.84M | -2.84M | 49.09M | 32.99M | -17.45M | -12.43M | 18.61M | 10.11M | -5.51M | -8.8M | 245K | 13.58M | 14.21M | 13.97M | 34.68M | -6.09M | 3.1M | -6.5M | -4.1M | 7.6M |
| Change in Receivables | -44.1M | -41.2M | -16.9M | 20.5M | -71.7M | -49.4M | 20.9M | 22.3M | -23.42M | -15.8M | 302K | 8.83M | -11.11M | 6.2M | 12.75M | -16.49M | -22.16M | 26.07M | 19.67M | -8.71M | -14.42M | -18.22M | -5.95M | 6.87M | 1.01M | 24.01M | -109K | -900K | 7.4M | 3.6M | -6.6M |
| Change in Inventory | -24.8M | -34.2M | 17.6M | 66.2M | -72.4M | -46.1M | 36.5M | -3.32M | -23.03M | 760K | 32.75M | 4.56M | -7.82M | 9.09M | 23.8M | -607K | -26.65M | 23.15M | -9.66M | -3.5M | -7.2M | -3.93M | -9.28M | 4.62M | 6.25M | 22.23M | -2.41M | 4.8M | 1.2M | 7.7M | 19.3M |
| Change in Payables | 6.2M | 15.2M | 8.9M | -25.3M | 17.6M | 22.9M | 2.7M | -9.12M | -1.22M | 12.56M | 73K | -2.83M | -2.47M | 15.46M | -1.38M | -8.64M | 21.43M | -16.31M | -724K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -148M | -137.6M | -1.01B | -283.8M | -917.2M | -698.1M | -172.6M | -137M | -81.43M | -54.75M | -509.2M | -210.49M | -72.26M | -68.16M | -105.27M | -469.54M | -122.31M | -19.62M | -280.66M | -248.6M | -348.18M | -24.1M | -191.55M | -38.84M | -90.33M | -152.13M | -53.7M | -66.8M | -99.2M | -63.3M | -144.2M |
| Capital Expenditures | -67M | -63.6M | -65.1M | -89.9M | -68M | -72.7M | -51.6M | -50.9M | -56.09M | -43.86M | -38.24M | -43.78M | -48M | -31.54M | -35.81M | -35.17M | -31.74M | -25.06M | -27.84M | -24.5M | -21.2M | -22.53M | -21.1M | -20.32M | -19.34M | -21.64M | -20.74M | -66.8M | -138.9M | -13.6M | -144.2M |
| CapEx % of Revenue | 1.9% | 1.84% | 1.99% | 2.75% | 2.14% | 2.63% | 2.19% | 2.04% | 2.26% | 1.92% | 1.81% | 2.17% | 2.23% | 1.56% | 1.83% | 1.91% | 2.1% | 1.88% | 1.87% | 1.8% | 1.84% | 2.16% | 2.27% | 2.55% | 2.61% | 2.98% | 2.94% | 10.2% | 21.7% | 2.46% | 25.63% |
| Acquisitions | -80.4M | -76.2M | -939.4M | -193.2M | -896.2M | -577.4M | -123.1M | -87.2M | -20.2M | -16.37M | -470.94M | -167.34M | -25.44M | -36.85M | -68.93M | -443.63M | -91.29M | 0 | -392.82M | -86.21M | -359.84M | -1.19M | -170.98M | -21.95M | -74.93M | -132.29M | -34.51M | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -600K | 2.2M | -6.5M | 3.5M | 7.3M | -2.8M | 2.1M | 1.1M | -5.14M | 5.48M | -20K | 621K | 1.18M | 223K | -529K | 9.27M | 720K | 5.44M | 140M | -137.89M | 32.87M | -376K | 527K | 3.44M | 3.93M | 1.81M | 1.55M | 0 | 39.7M | -49.7M | 0 |
| Cash from Financing | -568.1M | -632.6M | 465.9M | -344.7M | -37.8M | -9.5M | -42.6M | -227.6M | -290.01M | -277.42M | 46.55M | -295.53M | -184.07M | -219.04M | -136.49M | 253.41M | 95.52M | -184.98M | 22.68M | 71.74M | 184.77M | -50.85M | 47.98M | -71.25M | -16.1M | 43.19M | -31.96M | -29.1M | 1.1M | -15.9M | 53.2M |
| Debt Issued (Net) | -128.7M | -170.9M | 656.9M | -150M | 275.4M | 149.3M | 198.7M | -50.1M | -11.28M | -167.62M | 181.4M | -8.02M | 103.06M | -16.38M | -29.35M | 279.23M | 125.11M | -155.49M | 100.5M | 89.66M | 193.52M | -61.78M | 47.7M | -63.43M | -54.51M | 50.97M | -17.82M | -14.7M | 11.8M | -2.2M | 64.6M |
| Equity Issued (Net) | -274.1M | -248.3M | 16.7M | -2.7M | -134M | 13.6M | -110.3M | -54.7M | -173.93M | -29.07M | -57.27M | -210.82M | -219.89M | -167.5M | -89.56M | 0 | 0 | 0 | -50M | 14M | 17.21M | 37.5M | 22.85M | 13.18M | 56.59M | 9M | 2.82M | 2.8M | 3.3M | 1M | 0 |
| Dividends Paid | -213M | -212.6M | -205.3M | -190.7M | -177.4M | -161.1M | -151.8M | -147.2M | -127.48M | -111.17M | -102.65M | -96.17M | -85.73M | -72.91M | -64.09M | -54.61M | -46.33M | -38.64M | -39.4M | -37.27M | -30.39M | -24.69M | -21.41M | -18.28M | -17.72M | -17.06M | -16.78M | -16.5M | -15.8M | -14M | -12.3M |
| Share Repurchases | -274.1M | -247.8M | 0 | -24.2M | -148.1M | 0 | -110.3M | -54.7M | -173.93M | -29.07M | -57.27M | -210.82M | -219.89M | -167.5M | -89.56M | 0 | 0 | 0 | -50M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -46K | -100K | 0 | 0 | 0 |
| Other Financing | 47.7M | -800K | -2.4M | -1.3M | -1.8M | -11.3M | 20.8M | 24.4M | 22.68M | 30.44M | 25.07M | 19.48M | 18.48M | 37.74M | 46.51M | 28.79M | 16.75M | 9.14M | 11.57M | 5.35M | 4.43M | -1.89M | -1.15M | -2.71M | -458K | 284K | -167K | -700K | 1.8M | -700K | 900K |
| Net Change in Cash | -20.4M | -53M | 104.6M | 104.1M | -425.2M | -170.5M | 393.3M | 166.2M | 90.46M | 139.99M | -92.05M | -181.12M | 69.51M | 120.77M | 88.61M | -4.88M | 161.61M | 12.17M | -41.4M | 24.81M | 653K | 70.02M | -1.28M | 1.6M | 1.98M | -3.44M | 5.52M | 200K | -2.3M | -16.9M | 53.2M |
| Free Cash Flow | 611.4M | 616.8M | 603M | 626.8M | 489.4M | 492.6M | 517.7M | 477.2M | 419.26M | 388.89M | 361.68M | 316.55M | 319.96M | 369.99M | 290.37M | 182.07M | 152.74M | 187.47M | 195.22M | 172.74M | 138.82M | 122.36M | 121.2M | 91.37M | 89.07M | 83.85M | 70.44M | 29.4M | -49.8M | 72.6M | -54.1M |
| FCF Margin % | 17.32% | 17.84% | 18.45% | 19.15% | 15.38% | 17.82% | 22.01% | 19.13% | 16.88% | 17% | 17.12% | 15.67% | 14.9% | 18.28% | 14.86% | 9.9% | 10.09% | 14.1% | 13.11% | 12.71% | 12.02% | 11.73% | 13.06% | 11.45% | 12% | 11.54% | 10% | 4.49% | -7.78% | 13.15% | -9.62% |
| FCF Growth % | 9.61% | 2.29% | -3.8% | 28.08% | -0.65% | -4.85% | 8.49% | 13.82% | 7.81% | 7.53% | 14.26% | -1.07% | -13.52% | 27.42% | 59.49% | 19.2% | -18.53% | -3.97% | 13.02% | 24.44% | 13.46% | 0.96% | 32.65% | 2.58% | 6.22% | 19.04% | 139.6% | 159.04% | -168.59% | 234.2% | -228.5% |
| FCF per Share | 8.22 | 8.19 | 7.94 | 8.26 | 6.44 | 6.45 | 6.78 | 6.24 | 5.41 | 5.03 | 4.71 | 4.06 | 3.96 | 4.49 | 3.47 | 2.18 | 1.86 | 2.32 | 2.37 | 2.10 | 1.71 | 1.55 | 1.57 | 1.22 | 1.22 | 1.20 | 1.02 | 0.43 | -0.74 | 1.07 | -0.81 |
| FCF Conversion (FCF/Net Income) | 1.20x | 1.41x | 1.32x | 1.20x | 0.95x | 1.26x | 1.51x | 1.24x | 1.17x | 1.28x | 1.48x | 1.27x | 1.32x | 1.57x | 8.67x | 1.12x | 1.17x | 1.87x | 1.70x | 1.27x | 1.09x | 1.32x | 1.65x | 1.79x | 2.00x | 3.23x | 1.44x | 1.77x | 1.38x | 1.47x | 1.79x |
| Interest Paid | 36.5M | 0 | 47.4M | 50.8M | 37.1M | 36M | 35.2M | 36.7M | 36.33M | 36.82M | 37.07M | 33.5M | 32.56M | 33.43M | 32.64M | 27.75M | 16.78M | 17.31M | 20.14M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 83.5M | 0 | 171.4M | 199.5M | 175.6M | 118.2M | 87.2M | 109M | 90.73M | 104.85M | 109.4M | 112.61M | 122.3M | 73.66M | 87.6M | 66.09M | 73.87M | 50.8M | 72.07M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bioprocessing demand volatility
According to recent quarterly filings, IDEX's OCF/NI ratio has fluctuated significantly, ranging from a low of 0.86 in 2026Q1 to a high of 1.85 in 2023Q4, indicating that GAAP net income frequently diverges from the company's actual cash-generating capacity due to non-cash charges and accruals.
The volatility in the OCF/NI ratio suggests that investors should be cautious when relying solely on net income as a proxy for performance. The periodic reliance on non-cash adjustments to bridge the gap between accounting profit and cash flow warrants further investigation into the sustainability of these accruals.
As reported in financial statements, IDEX's FCF margins have shown notable inconsistency, peaking at 24.0% in 2024Q3 before contracting to 9.7% in 2026Q1, which reflects the company's sensitivity to working capital swings and the lumpy nature of its project-based revenue streams across its three primary segments.
This margin compression appears to be driven by periodic working capital outflows rather than a structural decline in profitability. Analysts should monitor whether these FCF fluctuations represent a permanent shift in the business model or merely temporary timing differences in project execution and inventory management.
Based on reported figures, IDEX experienced a significant working capital outflow of $89.9 million in 2026Q1, contrasting sharply with the $82.5 million inflow seen in 2025Q3, highlighting the inherent difficulty in managing cash cycles across diverse industrial and life science end-markets with varying payment terms.
The erratic nature of these working capital changes suggests that the company's cash flow is highly susceptible to inventory build-ups or delayed collections. This volatility may indicate that the 80/20 operational model is facing challenges in maintaining consistent cash conversion efficiency during periods of shifting demand.
As evidenced by recent financial disclosures, IDEX continues to prioritize shareholder returns through consistent dividend payments and opportunistic buybacks, with $76.3 million deployed toward share repurchases in 2026Q1, even as the company maintains a fortress balance sheet with minimal leverage to support future bolt-on acquisition activity.
The company's ability to fund both dividends and buybacks while simultaneously pursuing acquisitions suggests a robust capital allocation framework. However, investors should monitor whether the increasing scale of the business makes finding high-return acquisition targets more difficult, potentially leading to less efficient capital deployment in the future.
Quick answers to the most common questions about buying IEX stock.
IDEX Corporation (IEX) generated $680.4M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
IDEX Corporation (IEX) generated $616.8M 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.
IDEX Corporation (IEX) spent $63.6M 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, IDEX Corporation (IEX) returned $212.6M to shareholders via cash dividends and spent $247.8M on share repurchases. This shows the company's commitment to returning capital to its equity investors.