Investments (Tables)

3 Months Ended

Apr. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Marketable Securities

As of April 30, 2024 and January 31, 2024, our marketable securities consisted of the following:

	As of April 30, 2024
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(in thousands)
Commercial paper	$	19,737	$	—	$	—	$	19,737
Agency bonds	1,752,707		24		(6,482)		1,746,249
Corporate and other debt securities	652,318		104		(2,633)		649,789
U.S. government agency securities	3,032,764		4		(14,488)		3,018,280
Treasury bills	54,727		—		(45)		54,682
Marketable securities	$	5,512,253	$	132	$	(23,648)	$	5,488,737

	As of January 31, 2024
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(in thousands)
Commercial paper	$	41,564	$	—	$	—	$	41,564
Agency bonds	1,667,601		2,426		(3,344)		1,666,683
Corporate and other debt securities	663,122		1,161		(1,124)		663,159
U.S. government agency securities	3,003,224		7,859		(6,241)		3,004,842
Treasury bills	27,992		—		(7)		27,985
Marketable securities	$	5,403,503	$	11,446	$	(10,716)	$	5,404,233

Schedule of Contractual Maturities of Marketable Securities

The following table presents the contractual maturities of our marketable securities as of April 30, 2024 and January 31, 2024:

	As of
	April 30, 2024		January 31, 2024
	(in thousands)
Less than one year	$	3,017,465	$	2,883,598
Due in one to five years	2,471,272		2,520,635
Total	$	5,488,737	$	5,404,233

Schedule of Strategic Investments

Strategic investments by form and measurement category as of April 30, 2024 were as follows:

	Measurement Category
	Fair Value		Measurement Alternative		Equity Method		Total
	(in thousands)
Equity securities	$	24,200	$	299,651	$	97,208	$	421,059
Debt securities	3,864		—		—		3,864
Strategic investments	$	28,064	$	299,651	$	97,208	$	424,923

Strategic investments by form and measurement category as of January 31, 2024 were as follows:

	Measurement Category
	Fair Value		Measurement Alternative		Equity Method		Total
	(in thousands)
Equity securities	$	23,160	$	285,509	$	96,725	$	405,394
Debt securities	3,828		—		—		3,828
Strategic investments	$	26,988	$	285,509	$	96,725	$	409,222