| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 387.88a | 397.45a |
| Short-term investments | 1,359.33a | 682.78a |
| Prepaid expenses and other current assets | 40.78a | 15.73a |
| Total current assets | 1,787.99a | 1,095.95a |
| Property and equipment, net | 198.05a | 79.63a |
| Operating lease right-of-use assets | 72.1a | 31a |
| Long-term investments | 1,387.51a | 162.68a |
| Restricted cash | 1.32a | 1.1a |
| Other assets | 64.36a | 37.56a |
| Total noncurrent assets | 1,723.33a | 311.96a |
| Total assets | 3,511.32a | 1,407.92a |
| Liabilities and stockholders' equity | — | — |
| Current liabilities | — | — |
| Accounts payable | 48.45a | 14.59a |
| Accrued compensation | 20.56a | 11.06a |
| Accrued contract manufacturing expenses | 36.16a | 52.77a |
| Accrued expenses | 29.12a | 59.82a |
| Operating lease liabilities - current | 5.89a | 7.11a |
| Total current liabilities | 140.18a | 145.34a |
| Operating lease liabilities - long-term | 65.22a | 22.11a |
| Other liabilities | 0.1a | 0a |
| Total liabilities | 205.5a | 167.45a |
| Stockholders' equity | — | — |
| Preferred stock | 0a | 0a |
| Common stock | 0.13a | 0.1a |
| Additional paid-in capital | 4,697.88a | 2,164.58a |
| Accumulated other comprehensive income (loss) | -3.87a | 0.18a |
| Accumulated deficit | -1,388.32a | -924.39a |
| Total stockholders' equity | 3,305.82a | 1,240.47a |
| Total liabilities and stockholders' equity | 3,511.32a | 1,407.92a |