Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 395,924	$ 54,897
Investment securities	505,037	503,658
Prepaid expenses and other current assets	16,267	15,598
Total current assets	917,228	574,153
Property and equipment, net	11,865	10,881
Operating lease right-of-use assets	45,760	46,549
Investment in Radionetics	0	470
Restricted cash	1,300	1,300
Other assets	2,000	2,000
Total assets	978,153	635,353
Current liabilities:
Accounts payable and accrued expenses	28,683	23,196
Accrued compensation and related expenses	14,829	14,517
Deferred revenue	2,463	2,056
Operating lease liabilities	5,792	4,173
Total current liabilities	51,767	43,942
Operating lease liabilities, non-current	46,712	47,555
Deferred revenue, non-current	4,741	4,750
Total liabilities	103,220	96,247
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.001 par; 10,000 shares authorized; no shares issued or outstanding at March 31, 2024 or December 31, 2023	0	0
Common stock and paid-in capital, $0.001 par; 200,000 shares authorized; 78,539 shares issued and outstanding at March 31, 2024; 68,175 shares issued and outstanding at December 31, 2023	1,595,415	1,191,831
Accumulated other comprehensive loss	150	977
Accumulated deficit	(720,632)	(653,702)
Total stockholders’ equity	874,933	539,106
Total liabilities and stockholders’ equity	$ 978,153	$ 635,353