CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	[1]
Current assets:
Cash and cash equivalents	$ 123,670	$ 168,198
Short-term investments	213,035	42,008
Prepaid expenses and other current assets	7,762	2,072
Total current assets	344,467	212,278
Property and equipment, net	102	130
Other assets	147	2,300
Long-term investments	119,637
Total assets	464,353	214,708
Current liabilities:
Accounts payable	1,510	9,679
Accrued expenses and other current liabilities	4,233	4,641
Total current liabilities	5,743	14,320
Long-term liabilities:
Deferred rent	70	74
Total liabilities	5,813	14,394
Commitments and contingencies (Note 11)
Stockholders' equity:
Common stock, $0.0001 par value, 34,900,878 and 150,000,000 shares authorized as of December 31, 2020 and June 30, 2021, respectively; 29,831,125 and 43,526,224 shares issued and outstanding as of December 31, 2020 and June 30, 2021, respectively.	4	3
Additional paid-in capital	564,705	292,348
Accumulated other comprehensive loss	(115)	(2)
Accumulated deficit	(109,045)	(93,339)
Total Cullinan stockholders' equity	455,549	199,010
Noncontrolling interests	2,991	1,304
Total stockholders' equity	458,540	200,314	[2]
Total liabilities and stockholders' equity	$ 464,353	$ 214,708

[1] The consolidated balance sheet as of December 31, 2020 is derived from the audited consolidated financial statements as of that date and was retroactively adjusted, including shares and per share amounts, as a result of the Reorganization and Reverse Stock Split. See Note 3 to the unaudited consolidated financial statements for additional details.

[2] The consolidated balance sheet as of December 31, 2020 is derived from the audited consolidated financial statements as of such date and was retroactively adjusted, including shares and per share amounts, as a result of the Reorganization and Reverse Stock Split. See Note 3 to the unaudited consolidated financial statements for additional details.