Cash, Cash Equivalents and Marketable Securities

6 Months Ended

Jun. 30, 2023

4. Cash, Cash Equivalents and Marketable Securities

A summary of cash, cash equivalents and

available-for-sale

marketable securities held by the Company as of June 30, 2023 and December 31, 2022 is as follows (in thousands):


	June 30, 2023
	Cost		Unrealized gains		Unrealized losses			Fair value
	Cost		Unrealized gains		Unrealized losses			Fair value
Cash and cash equivalents:
Cash (Level 1)	$	8,185	$	—	$	—		$	8,185
Money market funds (Level 1)		69,011		—		—			69,011

Total cash and cash equivalents		77,196		—		—			77,196
Marketable securities:
Corporate debt securities due within 1 year of date of purchase (Level 2)		144,036		13		(105	)		143,944
U.S. government and government sponsored entities due within 1 year of date of purchase (Level 2)		77,275		6		(3	)		77,278

Total cash, cash equivalents and marketable securities	$	298,507	$	19	$	(108	)	$	298,418


	December 31, 2022
	Cost		Unrealized gains		Unrealized losses			Fair value
	Cost		Unrealized gains		Unrealized losses			Fair value
Cash and cash equivalents:
Cash (Level 1)	$	15,100	$	—	$	—		$	15,100
Money market funds (Level 1)		316,449		—		—			316,449

Total cash and cash equivalents		331,549		—		—			331,549
Marketable securities:
Corporate debt securities due within 1 year of date of purchase (Level 2)		27,257		7		(39	)		27,225

Total cash, cash equivalents and marketable securities	$	358,806	$	7	$	(39	)	$	358,774