Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 100,299	$ 145,647
Marketable securities	340,248	400,576
Prepaid expenses and other current assets	9,498	8,463
Total current assets	450,045	554,686
Restricted cash	288	284
Marketable securities, non-current	20,112	16,506
Other investments	19,000	32,001
Property and equipment, net	88,047	102,654
Operating lease right-of-use assets	36,662	39,663
Other non-current assets	5,061	4,235
Total assets	619,215	750,029
Current liabilities:
Accounts payable	3,596	4,817
Accrued liabilities and other current liabilities	29,009	28,126
Success payment liabilities	907	1,576
Total current liabilities	33,512	34,519
Operating lease liabilities, non-current	51,441	56,894
Other non-current liabilities	3,565	3,664
Total liabilities	88,518	95,077
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000 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, $0.0001 par value; 500,000 shares authorized at September 30, 2024 and December 31, 2023; 256,564 and 253,958 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively	26	25
Additional paid-in capital	1,683,082	1,657,133
Accumulated other comprehensive income (loss)	760	(94)
Accumulated deficit	(1,153,171)	(1,002,112)
Total stockholders’ equity	530,697	654,952
Total liabilities and stockholders’ equity	$ 619,215	$ 750,029