Operating cash outflow of -$124.0M in 2026Q3 produced a -2.6% FCF margin, with no dividends or buybacks, suggesting capital is being consumed to fund operations rather than returned to shareholders.
Cytokinetics, Incorporated (CYTK) cash flow statement — 24-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 | 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 | -571.97M | -510.01M | -395.89M | -414.33M | -299.52M | -142.52M | 8.94M | -90.91M | -101.22M | -101.76M | 36.98M | 4.88M | -44.84M | -7.72M | -33.44M | -45.59M | -44.83M | 8.42M | -61.33M | -3M | -47.17M | -39.48M | -34.03M | -30.51M | -22.3M |
| Operating CF Margin % | - | -579.3% | -2142.96% | -5502.43% | -316.65% | -202.37% | 16.02% | -338.35% | -321.31% | -761.21% | 34.76% | 17.04% | -95.53% | -25.18% | -442.36% | -1139.88% | -1739.62% | 10.32% | -493.78% | -22.06% | -1508.47% | -443.04% | -253.18% | -288.48% | -195.71% |
| Operating CF Growth % | -168.08% | -28.83% | 4.45% | -38.33% | -110.15% | -1693.67% | 109.84% | 10.18% | 0.53% | -375.16% | 657.36% | 110.89% | -481.02% | 76.92% | 26.66% | -1.71% | -632.68% | 113.72% | -1940.87% | 93.63% | -19.47% | -16.02% | -11.53% | -36.81% | - |
| Net Income | -777.89M | -784.96M | -589.53M | -526.24M | -388.95M | -215.31M | -127.29M | -121.69M | -106.29M | -127.79M | 16.45M | -37.5M | -14.65M | -33.72M | -40.37M | -47.86M | -49.29M | 24.54M | -56.37M | -48.89M | -57.12M | -42.25M | -37.2M | -32.69M | -23.08M |
| Depreciation & Amortization | 13.52M | 10.13M | 9.53M | 11.89M | 5.81M | 2.28M | 1.83M | 1.29M | 1.24M | 1.92M | 741K | 589K | 490K | 433K | 591K | 1.3M | 1.9M | 2.02M | 2.46M | 2.83M | 2.93M | 3.06M | 3.28M | 3.18M | 2.85M |
| Stock-Based Compensation | 100.83M | 112.29M | 97.84M | 72.06M | 47.85M | 26.83M | 17.62M | 10.76M | 9.76M | 9.03M | 7.15M | 4.57M | 3.33M | 3.6M | 3.78M | 3.07M | 4.02M | 4.91M | 5.61M | 4.64M | 4.64M | 1.43M | 1.88M | 0 | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 2.84M | -573K | 0 | 0 | -67K | -18K | -21K | -3.34M | -3.68M | -2K | 47.86M | 49.29M | -40K | -5.6M | -4.63M | -4.65M | -1.43M | -1.88M | 0 | 0 |
| Other Non-Cash Items | 121.67M | 188.16M | 50.6M | 24.86M | 60.48M | 32.38M | 28.24M | 22.62M | 17.01M | 14.66M | 534K | 3K | 3.33M | 3.6M | -56K | -47.67M | -49.28M | 1.7M | 6.22M | 5.77M | 4.84M | 1.6M | 1.98M | 1.21M | -168K |
| Working Capital Changes | -30.09M | -35.63M | 35.66M | 3.09M | -24.7M | 8.46M | 89.12M | -3.89M | -22.94M | 487K | 12.13M | 37.25M | -34.01M | 22.05M | 2.62M | -2.3M | -1.48M | -24.71M | -13.63M | 37.28M | 2.18M | -1.9M | -2.09M | -2.22M | -1.9M |
| Change in Receivables | -32.08M | -1.11M | -15.37M | -1.14M | 56.67M | -47.4M | 743K | 1.62M | -1.12M | -1.09M | -12K | 46.63M | -46.64M | 0 | 10K | 32K | 134K | 41K | -145K | -41.52M | -41.52M | -544K | 74K | 0 | 0 |
| Change in Inventory | -15.11M | 0 | 0 | 0 | 0 | 0 | 1.48M | 0 | 4.91M | -1.4M | 8.24M | 2.6M | -2.59M | 0 | -67.54M | -49.04M | -67.25M | -1.35M | -1.37M | 83.24M | 2.35M | -68.76M | -100.31M | 0 | -342K |
| Change in Payables | 6.43M | 2.66M | -4.48M | -3.48M | 4.52M | 1.05M | -110K | 4.4M | -1.49M | 1.46M | 1.7M | 755K | -2.18M | 1.51M | 828K | 162K | -536K | 334K | -6K | 852K | 852K | -191K | 113K | 0 | 0 |
| Cash from Investing | -364.77M | 16.67M | -553.1M | 239.25M | -262.13M | -147.78M | -196.51M | -74.71M | 5.13M | -65.83M | -52.08M | 16.06M | -4.05M | -1.52M | -28.82M | 25.3M | 34.24M | -53.48M | -9.97M | 45.46M | -13.68M | 34.49M | -65.51M | -15.12M | 22.58M |
| Capital Expenditures | -16.61M | -24.81M | -3.91M | -1.42M | -11.34M | -48.87M | -11.05M | -2.62M | -889K | -2.88M | -1.6M | -562K | -1.1M | -542K | -125K | -443K | -493K | -550K | -658K | -2.56M | -5.37M | -1.47M | -1.4M | -3.05M | -6.57M |
| CapEx % of Revenue | 14.25% | 28.18% | 21.14% | 18.8% | 11.98% | 69.39% | 19.8% | 9.75% | 2.82% | 21.52% | 1.5% | 1.96% | 2.35% | 1.77% | 1.65% | 11.07% | 19.13% | 0.67% | 5.3% | 18.82% | 171.73% | 16.44% | 10.42% | 28.85% | 57.65% |
| Acquisitions | 0 | 0 | 0 | 0 | 250.8M | 98.91M | 185.46M | 0 | 14K | 0 | 33K | 1K | 0 | 0 | 2K | 3K | 14K | 74K | 0 | 0 | 6K | 20K | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 5M | -5M | 0 | 0 | -250.8M | -98.91M | -185.46M | 0 | 14K | -62.95M | 33K | 1K | -2.94M | 13K | 196K | 592K | 886K | 1.11M | 2.55M | 996K | -799K | 1.27M | 1.11M | 5.91M | -7.62M |
| Cash from Financing | 916.13M | 524.46M | 930.61M | 221.32M | 516.17M | 319.98M | 234.12M | 159.79M | 13.13M | 225.92M | 16.89M | 23.91M | 48.95M | 14.49M | 58.33M | 21.61M | 2.55M | 28.81M | -3.45M | 34.72M | 86.72M | 5.45M | 102.32M | 40.24M | 4.87M |
| Debt Issued (Net) | 160.54M | 490.95M | -9.62M | -858K | 334.66M | 0 | 0 | 135.57M | 9.9M | 1.26M | 15M | 14.89M | 0 | 0 | -152K | -833K | -11.82M | 8.16M | -4.05M | -2.15M | 1.47M | -1.13M | 410K | 58K | 4.85M |
| Equity Issued (Net) | 836.55M | 35.98M | 706.84M | 164.23M | 17.54M | 312.05M | 225.11M | 36.21M | 0 | 119.78M | 0 | 8.67M | 48.97M | 7.45M | 55.99M | 20.02M | 425K | 13.77M | 599K | 36.87M | 85.25M | 1.03M | 7.91M | 40.18M | 66K |
| 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -2K | -25K | -20K | 0 | -2K |
| Other Financing | -80.96M | -2.47M | 233.38M | 57.94M | 163.96M | 7.93M | 9.02M | -11.99M | 3.23M | 104.87M | 1.9M | 352K | -22K | 7.04M | 2.48M | 2.42M | 13.94M | 6.87M | 0 | 0 | 0 | 5.55M | 94M | 0 | -50K |
| Net Change in Cash | -22.05M | 30.4M | -18.17M | 46.22M | -45.48M | 29.68M | 46.55M | -5.82M | -82.95M | 58.33M | 1.8M | 44.86M | 57K | 5.25M | -3.93M | 1.32M | -8.05M | -16.26M | -74.75M | 77.18M | 25.87M | 454K | 2.78M | -5.4M | 5.14M |
| Free Cash Flow | -588.58M | -534.82M | -399.8M | -415.75M | -310.85M | -191.39M | -2.11M | -93.53M | -102.1M | -104.64M | 35.39M | 4.32M | -45.95M | -8.26M | -33.56M | -46.04M | -45.32M | 7.87M | -61.99M | -5.57M | -52.54M | -40.95M | -35.43M | -33.56M | -28.87M |
| FCF Margin % | -504.87% | -607.48% | -2164.1% | -5521.24% | -328.64% | -271.76% | -3.78% | -348.09% | -324.13% | -782.73% | 33.26% | 15.08% | -97.88% | -26.95% | -444.01% | -1150.95% | -1758.75% | 9.65% | -499.08% | -40.88% | -1680.2% | -459.48% | -263.59% | -317.33% | -253.36% |
| FCF Growth % | -29.82% | -33.77% | 3.84% | -33.75% | -62.41% | -8975.11% | 97.75% | 8.4% | 2.42% | -395.7% | 718.93% | 109.4% | -456.26% | 75.39% | 27.1% | -1.58% | -676.19% | 112.69% | -1013.25% | 89.4% | -28.31% | -15.57% | -5.57% | -16.25% | - |
| FCF per Share | -4.23 | -4.45 | -3.57 | -4.31 | -3.46 | -2.49 | -0.03 | -1.62 | -1.88 | -2.12 | 0.83 | 0.11 | -1.29 | -0.30 | -1.85 | -3.90 | -4.24 | 0.81 | -7.53 | -0.70 | -8.61 | -8.60 | -10.75 | -105.36 | -99.45 |
| FCF Conversion (FCF/Net Income) | 0.76x | 0.65x | 0.67x | 0.79x | 0.77x | 0.66x | -0.07x | 0.75x | 0.95x | 0.80x | 2.25x | -0.13x | 3.06x | 0.23x | 0.80x | 0.95x | 0.91x | 0.34x | 1.09x | 0.06x | 0.83x | 0.93x | 0.91x | 0.93x | 0.97x |
| Interest Paid | 12.55M | 0 | 0 | 10.29M | 0 | 0 | 0 | 4.06M | 2.88M | 2.13M | 1.9M | 94K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1K | 1K | 1K | 1K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying CYTK stock.
Cytokinetics, Incorporated (CYTK) generated $-510.0M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Cytokinetics, Incorporated (CYTK) reported negative free cash flow of $534.8M in 2025, indicating capital requirements exceeded cash from operations.
Cytokinetics, Incorporated (CYTK) spent $24.8M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
Key Metrics
Top Statement Risk
Persistent cash burn dependence
Metrics are mathematically derived from official filings.
Operating Cash Burn Tracks Net Losses
According to reported quarterly figures, CYTK's operating cash flow ran at roughly 65% to 95% of its net loss over recent quarters, with 2026Q3 operating cash outflow of -$124.0M versus a net loss of -$190.1M, a gap that suggests roughly a third of the reported loss is non-cash.
The OCF-to-net-income ratio of 0.65 in 2026Q3 implies that non-cash charges, principally stock-based compensation of $34.7M and other accruals, account for a meaningful portion of the reported loss. The ratio has trended between 0.35 and 0.95 across the ten quarters, which indicates that the cash-versus-accrual gap is volatile rather than structural. Investors should monitor whether this gap narrows as commercial revenue becomes more recurring, since it currently reflects timing of milestone recognition and R&D accruals more than underlying cash efficiency.
Free Cash Flow Deeply Negative Across Periods
Based on CYTK's reported figures, free cash flow was -$124.7M in 2026Q3 against revenue of $47.6M, a -2.6% FCF margin that, while improved from earlier quarters, remains deeply negative relative to the revenue base.
The FCF margin reached -198.3% in 2025Q2 and -406.5% in 2024Q2, so the recent -2.6% figure reflects revenue scaling faster than cash burn rather than a true breakeven trajectory. Because quarterly revenue is lumpy and milestone-dependent, the improvement may not persist if a single period lacks partner payments. The business continues to depend on its existing cash position and external funding rather than self-generated free cash flow.
Minimal Capital Intensity in Operations
As reported in the financial statements, CYTK's capital expenditure was -$700.0K in 2026Q3, equal to 1.5% of revenue, reflecting an asset-light model in which cash consumption is driven almost entirely by R&D rather than physical investment.
Capital spending has run between 1.5% and 31.8% of revenue, with the higher readings occurring in quarters when revenue was temporarily depressed, which makes the ratio an unreliable efficiency gauge here. D&A of $3.6M against capex of $0.7M suggests the company is not currently reinvesting heavily in productive assets. The cash flow profile is therefore a function of clinical and commercial operating spend, not infrastructure, which warrants monitoring as launch-related investment grows.
Capital Allocation Limited to Funding Operations
Based on reported cash flow data, CYTK paid no dividends and made no share repurchases in any reported quarter, with a single $21.3M net buyback-related outflow in 2025Q3, indicating that capital is directed toward funding operating losses rather than shareholder returns.
The absence of dividends and buybacks is consistent with a company in a cash-consuming development and launch phase, where preserving liquidity takes precedence over distributions. The 2025Q3 $21.3M outflow in the buyback line appears irregular relative to the rest of the series and warrants review in the filings to determine its nature. Shareholder value depends on whether the cash deployed into R&D and launch converts into durable revenue rather than on any current return of capital.
Cash Improvement May Reflect Timing
Analytically, the recent narrowing of CYTK's FCF margin from -406.5% to -2.6% may overstate improvement, since the figure depends on lumpy milestone receipts and working capital timing rather than a demonstrated shift in the underlying cost base.
Working capital swings, including a -$25.2M change in 2026Q2 and -$2.8M in 2026Q3, indicate that quarterly cash flow is materially influenced by timing of payables and receivables, which can reverse. Revenue growth of 376.6% on a small base means that a single missed milestone could return the margin to deeply negative territory. The apparent inflection should therefore be treated as provisional until several consecutive quarters confirm a stable cash profile.