| Balance Sheets | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 |
|---|---|---|---|---|
| Cash and cash equivalents | 19,671 | 44,776 | 291,167 | 80,210 |
| Short-term investments | 138,645 | 132,010 | NaN | NaN |
| Accounts receivable, net of allowance for credit losses of 626 at march 31, 2026 and december 31, 2025 | 35,527 | 29,343 | 27,858 | 29,687 |
| Restricted cash, current | NaN | NaN | 0 | 0 |
| Prepaid expenses and other current assets | 17,987 | 14,075 | 8,761 | 8,545 |
| Total current assets | 211,830 | 220,204 | 327,786 | 118,442 |
| Long-term investments | 96,582 | 103,365 | NaN | NaN |
| Property and equipment, net | 9,829 | 8,587 | 7,984 | 8,070 |
| Operating lease right-of-use assets | 14,407 | 17,488 | 17,108 | 17,894 |
| Restricted cash, non-current | 4,702 | 4,709 | 4,475 | 4,475 |
| Other non-current assets | 6,675 | 5,099 | 7,045 | 10,482 |
| Total assets | 344,025 | 359,452 | 364,398 | 159,363 |
| Accounts payable | 5,750 | 3,169 | 1,958 | 1,786 |
| Accrued expenses and other current liabilities | 25,886 | 33,279 | 30,368 | 25,664 |
| Operating lease liabilities, current | 6,382 | 5,922 | 5,523 | 5,492 |
| Total current liabilities | 38,018 | 42,370 | 37,849 | 32,942 |
| Convertible notes | NaN | NaN | NaN | 68,336 |
| Term loan | NaN | NaN | 0 | 114,087 |
| Common stock warrant liability | NaN | NaN | 55,421 | 23,304 |
| Derivative liability | NaN | NaN | NaN | 29,407 |
| Operating lease liabilities, non-current | 19,967 | 16,132 | 16,266 | 17,235 |
| Other non-current liabilities | 322 | 303 | 294 | 281 |
| Total liabilities | 58,307 | 58,805 | 109,830 | 285,592 |
| Redeemable convertible preferred stock issuable in series, 0.001 par value 122,231,454 shares authorized, issued and outstanding as of june 30, 2025 and december 31, 2024 aggregate liquidation value of 951,917 as of june 30, 2025 and december 31, 2024 | NaN | NaN | NaN | 768,566 |
| Common stock, 0.001 par value 250,000,000 shares authorized as of march 31, 2026 and december 31, 2025 86,105,290 and 85,280,597 shares issued and outstanding as of march 31, 2026 and december 31, 2025, respectively | 86 | 85 | 83 | 6 |
| Additional paid-in capital | 1,401,447 | 1,388,737 | 1,318,352 | 118,416 |
| Accumulated other comprehensive loss | -685 | -425 | -512 | -717 |
| Accumulated deficit | -1,115,130 | -1,087,750 | -1,063,355 | -1,012,500 |
| Total stockholders equity | 285,718 | 300,647 | 254,568 | -894,795 |
| Total liabilities and stockholders equity | 344,025 | 359,452 | 364,398 | 159,363 |
Heartflow, Inc. (HTFL)
Heartflow, Inc. (HTFL)