Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 133,424	$ 145,647
Marketable securities	357,695	400,576
Prepaid expenses and other current assets	8,705	8,463
Total current assets	499,824	554,686
Restricted cash	287	284
Marketable securities, non-current	0	16,506
Other investments	19,000	32,001
Property and equipment, net	93,096	102,654
Operating lease right-of-use assets	37,696	39,663
Other non-current assets	4,239	4,235
Total assets	654,142	750,029
Current liabilities:
Accounts payable	4,199	4,817
Accrued liabilities and other current liabilities	25,670	28,126
Success payment liabilities	1,010	1,576
Total current liabilities	30,879	34,519
Operating lease liabilities, non-current	53,323	56,894
Other non-current liabilities	3,439	3,664
Total liabilities	87,641	95,077
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000 shares authorized at June 30, 2024 and December 31, 2023; no shares issued and outstanding at June 30, 2024 and December 31, 2023	0	0
Common stock, $0.0001 par value; 500,000 shares authorized at June 30, 2024 and December 31, 2023; 255,948 and 253,958 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively	26	25
Additional paid-in capital	1,675,460	1,657,133
Accumulated other comprehensive loss	(397)	(94)
Accumulated deficit	(1,108,588)	(1,002,112)
Total stockholders’ equity	566,501	654,952
Total liabilities and stockholders’ equity	$ 654,142	$ 750,029