Cash conversion efficiency appears erratic, as evidenced by the OCF/NI ratio swinging from 10.00 in 2025Q1 to 0.06 in 2026Q1, reflecting the inherent lumpiness of milestone-driven receipts.
| 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 |
|---|
| Cash from Operations | 1.23B | 1.19B | 7.77B | 7.38B | 3.91B | 2.23B | 6.43B | 1.33B | 1.01B | 1.59B | 327.72M | 311.45M | 132.67M | -128M | 70.92M | -437.23M | 268.17M | -570.06M | -513.33M | 505.9M | -379.62M | -208.64M | -367.7M | -302.36M | -308.32M |
| Operating CF Margin % | - | 31.88% | 36.1% | 44.8% | 26.97% | 26.47% | 63.62% | 24.71% | 33.55% | 67.17% | 18.05% | 27.49% | 15.6% | -19.29% | 14.63% | -124.59% | 46.07% | -97.27% | -68.89% | 95.54% | -280.07% | -211.81% | -8966.06% | -442.53% | - |
| Operating CF Growth % | -102.07% | -84.73% | 5.3% | 88.65% | 75.58% | -65.37% | 385.14% | 30.67% | -36.14% | 384.86% | 5.22% | 134.75% | 203.65% | -280.49% | 116.22% | -263.04% | 147.04% | -11.05% | -201.47% | 233.26% | -81.95% | 43.26% | -21.61% | 1.93% | - |
| Net Income | 2.61B | 963.76M | 7.84B | 5.64B | 7.04B | 3.98B | 4.76B | 2.86B | 1.61B | 1.06B | 1.13B | 757.53M | 297.35M | 107.64M | -489.72M | -590.42M | -300.55M | -1.01B | -964.51M | -383.37M | -438.24M | -393.59M | -415.21M | -327.11M | -479.33M |
| Depreciation & Amortization | 119.39M | 71.06M | 413M | 295M | 362M | 248M | 266M | 139M | 87.6M | 69.75M | 40.96M | 31.82M | 12.33M | 11.66M | 15.11M | 15.05M | 21.03M | 83.78M | 85.09M | 14.25M | 17.5M | 31.77M | 53.66M | 63.67M | 47.47M |
| Stock-Based Compensation | 243.12M | 0 | 721M | 586M | 439M | 310M | 200M | 147M | 90.76M | 75.98M | 53.19M | 36.56M | 27.72M | 11.57M | 12M | 20.04M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 0 | 122M | 0 | -546M | 0 | -385M | 90.52M | -140.58M | 39.61M | 51.13M | 49.2M | -22.55M | 360.69M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | -1.85B | -73.06M | 388M | -622M | -1.99B | -997M | 903M | -216M | -231.69M | 280.45M | -77.38M | -27.15M | -32.17M | 3.84M | -2.61M | 321.13M | 169.29M | 386.56M | 335.08M | 170.43M | 59.93M | 25.68M | -6.15M | -73.53M | 158.15M |
| Working Capital Changes | -523.58M | 225.18M | -1.59B | 1.36B | -1.93B | -770M | 306M | -1.22B | -634.37M | 239.65M | -858.87M | -538.44M | -221.76M | -240.16M | 175.45M | -203.03M | 378.41M | -29.64M | 31M | 704.58M | -18.82M | 127.49M | 0 | 34.61M | -34.61M |
| Change in Receivables | -1.2B | -166.13M | -1.59B | 797M | -2.12B | -1.07B | 306M | -1.66B | -768.15M | 270.35M | -794.93M | -89.95M | 41.8M | -917K | -47.03M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -14.35M | -9.01M | -5M | -57M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1.49M | 35.3M | 69.09M | 31.95M | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 37.17M | 400.32M | 0 | 622M | 283M | 304M | 0 | 440M | 133.78M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -5.47B | -5.65B | -9.91B | -1.28B | -2.76B | -961M | -2.35B | -1.98B | -1.78B | -667.57M | -1.01B | -480.88M | -1.01B | 66.95M | -416.34M | 514.75M | -738.5M | 974.73M | 460.1M | -2.36B | -451.37M | -127.55M | -25.07M | 361.9M | 238.55M |
| Capital Expenditures | -83.36M | -55.04M | -187M | -366M | -317M | -252M | -307M | -111M | -477.37M | -88.51M | -33.11M | -135.39M | -75.44M | -10.37M | -9M | -7.21M | -10.11M | -16.78M | -53.02M | -12.84M | -1.94M | -2.43M | -8.27M | -14.7M | -100.82M |
| CapEx % of Revenue | 0.94% | 1.48% | 0.87% | 2.22% | 2.19% | 2.99% | 3.04% | 2.07% | 15.78% | 3.74% | 1.82% | 11.95% | 8.87% | 1.56% | 1.86% | 2.05% | 1.74% | 2.86% | 7.12% | 2.43% | 1.43% | 2.47% | 201.56% | 21.52% | - |
| Acquisitions | -7.22B | -7.22B | -12.25B | 0 | 2.44B | 709M | 0 | 32M | 405.67M | 0 | 20.86M | 125.94M | 63.26M | 2.72M | 0 | 0 | 0 | 16.78M | 194K | 0 | 0 | 0 | 388K | 1.58M | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 0 | 0 | -117M | -10M | -2.44B | -709M | -2.04B | -32M | -405.67M | -579.06M | -20.86M | -125.94M | -63.18M | 49.8M | 636K | 617K | 1.43M | -16.41M | -1.15B | -359K | 621K | 7.3M | -5.95M | 3.49M | 13.96M |
| Cash from Financing | 2.46B | 4.79B | -3.92B | -606M | -789M | -420M | 71M | 3.66B | -70.9M | 214.91M | 91.19M | 643.09M | 1.04B | 151.66M | 357.81M | -6.09M | -7M | -6.64M | 25.29M | 1.56B | 879.03M | 297.36M | 503.41M | -3.57M | 156.85M |
| Debt Issued (Net) | -93.9M | 5.23B | -60M | -91M | -73M | -58M | -44M | -31M | 0 | 0 | -118K | -237K | -2.13M | -3.89M | -6.19M | -6.09M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Equity Issued (Net) | -2.68B | -407.32M | -3.99B | -564M | -908M | -447M | -25M | 3.87B | -146M | 0 | -118.1M | 2.56M | 998.2M | 0 | 366.39M | 0 | 0 | 1.65M | 34.15M | 1.57B | 935.32M | 307.04M | 542.34M | 801K | 159.77M |
| Dividends 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 |
| Share Repurchases | -2.69B | -430.34M | -3.99B | -564M | -908M | -447M | -25M | 0 | -146M | 0 | -118.1M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | 5.24B | -31.02M | 129M | 49M | 192M | 85M | 140M | -182M | 75.1M | 214.91M | 209.41M | 640.76M | 39.28M | 155.55M | -2.39M | 0 | -7M | -8.29M | -8.86M | -9.12M | -56.28M | -9.68M | -38.93M | -4.37M | -2.92M |
| Net Change in Cash | -1.82B | 345.33M | -5.01B | 4.97B | 936M | 1.7B | 3.71B | 3.02B | -814.64M | 1.04B | -566.96M | 514.9M | 190.95M | 89.14M | 9.59M | 71.5M | -466.53M | 394.43M | -61.74M | -297.32M | 47.73M | -38.22M | 110.65M | 55.97M | 87.08M |
| Free Cash Flow | 1.15B | 1.15B | 7.58B | 7B | 3.6B | 1.98B | 6.13B | 1.22B | 537.42M | 1.5B | 294.61M | 176.06M | 57.23M | -138.36M | 61.92M | -444.43M | 258.06M | -586.84M | -566.35M | 493.06M | -381.56M | -211.08M | -375.96M | -317.07M | -409.14M |
| FCF Margin % | 13% | 30.89% | 35.23% | 42.52% | 24.78% | 23.48% | 60.59% | 22.64% | 17.77% | 63.43% | 16.22% | 15.54% | 6.73% | -20.85% | 12.78% | -126.64% | 44.33% | -100.13% | -76.01% | 93.11% | -281.5% | -214.28% | -9167.62% | -464.05% | - |
| FCF Growth % | -72.94% | -84.84% | 8.28% | 94.83% | 81.93% | -67.74% | 404.2% | 126.08% | -64.18% | 409.3% | 67.33% | 207.64% | 141.36% | -323.45% | 113.93% | -272.22% | 143.97% | -3.62% | -214.87% | 229.22% | -80.77% | 43.86% | -18.58% | 22.5% | - |
| FCF per Share | 1.80 | 1.83 | 11.73 | 10.63 | 5.45 | 2.99 | 9.30 | 1.91 | 0.87 | 2.42 | 0.48 | 0.29 | 0.10 | -0.27 | 0.13 | -0.99 | 0.57 | -1.31 | -1.27 | 1.12 | -0.98 | -0.68 | -1.42 | -1.39 | -1.83 |
| FCF Conversion (FCF/Net Income) | 0.44x | 1.23x | 0.99x | 1.70x | 0.72x | 0.75x | 1.35x | 0.61x | 0.69x | 1.44x | 0.28x | 0.41x | 0.44x | -1.14x | -0.15x | 0.73x | -0.83x | 0.56x | 0.53x | -1.32x | 0.87x | 0.53x | 0.89x | 0.92x | 0.64x |
| Interest Paid | 0 | 0 | 35M | 0 | 0 | 0 | 20M | 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 |
Regulatory pricing pressure risk
As reported in financial statements, the relationship between net income and operating cash flow is highly erratic, with OCF/NI ratios swinging from 0.06 in 2026Q1 to 10.00 in 2025Q1, suggesting that accounting earnings are frequently decoupled from the actual cash generation of the underlying business.
The extreme variance in conversion ratios indicates that Genmab's net income is heavily influenced by non-cash items and the timing of milestone recognition rather than recurring operational cash flow. Investors should monitor this divergence closely, as it suggests that reported profitability may not always translate into immediate liquidity for capital allocation.
Based on Genmab's reported figures, free cash flow trajectory has been inconsistent, ranging from a negative $2.0M in 2026Q1 to a peak of $2.0B in 2024Q3, highlighting the inherent lumpiness of a business model reliant on milestone payments and variable royalty streams from global partners.
The sharp fluctuations in FCF margins suggest that the company's cash generation is highly sensitive to the timing of clinical and commercial successes. This trajectory warrants caution, as the lack of a smooth FCF profile complicates the predictability of long-term capital reinvestment and shareholder return strategies.
According to recent SEC filings, Genmab experienced significant working capital volatility, including a $665.4M outflow in 2025Q2 followed by a $509.6M inflow in 2025Q1, which underscores the impact of large, irregular milestone-related receivables on the company's short-term cash position and operational liquidity management.
These substantial swings in working capital suggest that the company's cash flow is frequently disrupted by the timing of partner payments. Such dynamics imply that Genmab's liquidity is less a function of day-to-day operations and more a reflection of the contractual milestones embedded in its collaboration agreements.
As indicated by the company's financial data, Genmab has utilized its cash reserves for significant share repurchases, such as the $2.6B outflow in 2025Q2, while simultaneously managing large-scale acquisitions like the $7.2B outlay in 2025Q4, signaling a shift toward more aggressive capital deployment strategies.
The transition from a conservative cash-hoarding posture to multi-billion dollar acquisitions suggests management is attempting to diversify its asset base beyond legacy royalties. Investors should monitor whether these capital deployments yield sufficient returns to offset the inherent risks of integrating new commercial-stage assets into the existing platform.
Quick answers to the most common questions about buying GMAB stock.
Genmab A/S (GMAB) generated $1.19B in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Genmab A/S (GMAB) generated $1.15B 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.
Genmab A/S (GMAB) spent $55.0M 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, Genmab A/S (GMAB) spent $430.3M on share repurchases. This shows the company's commitment to returning capital to its equity investors.