CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 307,299	$ 118,316
Marketable securities	368,929	277,143
Prepaid expenses and other current assets	5,625	2,950
Total current assets	681,853	398,409
Long-term marketable securities	113,395
Property and equipment, net	714	377
Right-of-use asset, net	4,227	2,217
Other non-current assets	468	401
Total assets	800,657	401,404
Current liabilities:
Accounts payable	5,527	2,143
Lease liability	1,682	1,101
Accrued expenses	17,408	17,314
Total current liabilities	24,617	20,558
Long-term liabilities:
Lease liability, net of current	2,401	933
Total liabilities	27,018	21,491
Commitments and contingencies (Note 9)
Stockholders' equity/members' deficit:
Common Stock; $0.00001 par value, 400,000,000 authorized, 58,481,214 issued and 56,676,465 outstanding as of June 30, 2024; 400,000,000 authorized, 50,655,671 issued and 48,338,769 outstanding as of December 31, 2023	1
Additional paid-in capital	963,607	503,354
Accumulated other comprehensive (loss) income	(289)	329
Accumulated deficit	(189,680)	(123,770)
Total stockholders' equity	773,639	379,913
Total liabilities and stockholders' equity	$ 800,657	$ 401,404