Cash, Cash Equivalents and Marketable Securities

3 Months Ended

Mar. 31, 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 March 31, 2023 and December 31, 2022 is as follows (in thousands):


	March 31, 2023
	Cost		Unrealized gains		Unrealized losses			Fair value
Cash and cash equivalents:
Cash	$	10,094	$	—	$	—		$	10,094
Money market funds (Level 1)		84,750		—		—			84,750
Corporate debt securities due within 3 months of date of purchase (Level 2)		18,464		—		—			18,464

Total cash and cash equivalents		113,308		—		—			113,308
Marketable securities:
Corporate debt securities due within 1 year of date of purchase (Level 2)		207,138		7		(96	)		207,049
U.S. government and government sponsored entities due within 1 year of date of purchase (Level 2)		9,117		3		—			9,120

Total cash, cash equivalents and marketable securities	$	329,563	$	10	$	(96	)	$	329,477


	December 31, 2022
	Cost		Unrealized gains		Unrealized losses			Fair value
Cash and cash equivalents:
Cash	$	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