Cash and Cash Equivalents and Investments

9 Months Ended

Sep. 30, 2023

The fair value of cash and cash equivalents and investments held at September 30, 2023 and December 31, 2022 are as follows:


	As of September 30, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(in thousands)
Cash and cash equivalents	$	21,116	$	—	$	—	$	21,116
Securities maturing within one year:
U.S. treasury securities	191,551		2		(114)		191,439
Corporate debt securities	5,873		—		(1)		5,872
Total short-term investments	$	197,424	$	2	$	(115)	$	197,311
Total cash and cash equivalents and investments	$	218,540	$	2	$	(115)	$	218,427

	As of December 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
			(in thousands)
Cash and cash equivalents	$	46,345	$	—	$	—	$	46,345
Securities maturing within one year:
U.S. treasury securities	74,022		—		(342)		73,680
Corporate debt securities	18,418		—		(86)		18,332
Total short-term investments	$	92,440	$	—	$	(428)	$	92,012
Total cash and cash equivalents and investments	$	138,785	$	—	$	(428)	$	138,357

There were no realized losses during either of the nine month periods ended September 30, 2023 and 2022, respectively.