Cash, cash equivalents and marketable securities (Tables)

12 Months Ended

Dec. 31, 2023

Cash, cash equivalents and marketable securities consist of the following (in thousands):



	December 31, 2023
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Cash and cash equivalents:
Cash	$	220,583	$	—	$	—	$	220,583
Money market funds	1,032,675		—		—		1,032,675
Commercial paper	106,312		—		(44)		106,268
Corporate bonds	859		—		—		859

Certificates of deposit	1,551		—		—		1,551
Total cash and cash equivalents	1,361,980		—		(44)		1,361,936
Marketable securities:
Corporate bonds	428,002		1,277		(1,322)		427,957
Commercial paper	200,963		212		(30)		201,145
U.S. treasury securities	336,721		251		(616)		336,356
Certificates of deposit	132,314		152		(9)		132,457

Non-U.S. government and supranational bonds	9,101		1		(119)		8,983
U.S. agency bonds	42,324		3		(77)		42,250

Total marketable securities	1,149,425		1,896		(2,173)		1,149,148
Total	$	2,511,405	$	1,896	$	(2,217)	$	2,511,084


	December 31, 2022
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Cash and cash equivalents:
Cash	$	474,365	$	—	$	—	$	474,365
Money market funds	1,017,191		—		—		1,017,191
Commercial paper	111,996		—		(21)		111,975
Corporate bonds	1,542		—		—		1,542

U.S. treasury securities	5,988		2		—		5,990
Total cash and cash equivalents	1,611,082		2		(21)		1,611,063
Marketable securities:
Corporate bonds	370,445		172		(7,542)		363,075

Commercial paper	241,407		71		(286)		241,192
U.S. treasury securities	244,056		33		(1,173)		242,916
Certificates of deposit	158,607		60		(421)		158,246
Municipal securities	28,029		4		(584)		27,449
Non-U.S. government and supranational bonds	23,228		—		(629)		22,599
U.S. agency bonds	31,695		40		(48)		31,687
Total marketable securities	1,097,467		380		(10,683)		1,087,164
Total	$	2,708,549	$	382	$	(10,704)	$	2,698,227

The fair value of our marketable securities by contractual maturity is as follows (in thousands):