Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 1,050,189	$ 397,451
Short-term investments	1,130,276	682,776
Prepaid expenses and other current assets	33,400	15,727
Total current assets	2,213,865	1,095,954
Property and equipment, net	163,243	79,626
Operating lease right-of-use assets	28,700	30,997
Long-term investments	1,092,574	162,675
Restricted cash	1,318	1,103
Other assets	60,046	37,562
Total noncurrent assets	1,345,881	311,963
Total assets	3,559,746	1,407,917
Current liabilities:
Accounts payable	18,219	14,587
Accrued compensation	12,244	11,056
Accrued manufacturing expenses	52,937	52,767
Accrued expenses	30,753	59,815
Operating lease liabilities — current	9,637	7,113
Total current liabilities	123,790	145,338
Operating lease liabilities — long-term	18,322	22,111
Total liabilities	142,112	167,449
Commitments and contingencies (Note 7)
Stockholders' Equity
Preferred stock, $0.001 par value — 10,000,000 shares authorized at September 30, 2024 and December 31, 2023; no shares issued and outstanding at September 30, 2024 and December 31, 2023	0	0
Common stock, $0.001 par value — 500,000,000 shares authorized at September 30, 2024 and December 31, 2023; 124,429,862 and 95,364,831 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively	127	98
Additional paid-in capital	4,668,607	2,164,583
Accumulated other comprehensive gain	139	179
Accumulated deficit	(1,251,239)	(924,392)
Total stockholders' equity	3,417,634	1,240,468
Total liabilities and stockholders' equity	$ 3,559,746	$ 1,407,917