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Investments (Tables)
12 Months Ended
Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Cost, Gross Unrealized Gains and Losses, and Fair Value of Investments
The cost, gross unrealized gains and losses, and fair value of investments are as follows (in thousands):
As of March 31, 2022
Cost or
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Value
Cash equivalents:
Commercial paper$2,686 $— $— $2,686 
Money market funds20,072 — — 20,072 
Total cash equivalents22,758 — — 22,758 
Marketable securities:
Asset-backed securities7,791 — (51)7,740 
Commercial paper9,436 — (53)9,383 
Corporate notes and bonds129,900 — (1,796)128,104 
Sovereign bonds8,770 — (334)8,436 
U.S. government and agency securities549,901 — (18,260)531,641 
Total marketable securities705,798 — (20,494)685,304 
Total cash equivalents and marketable securities$728,556 $— $(20,494)$708,062 
The cost, gross unrealized gains and losses, and fair value of investments were as follows (in thousands):
As of March 31, 2021
Cost or
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Value
Cash equivalents:
Commercial paper$2,290 $— $— $2,290 
Corporate notes and bonds3,517 — (1)3,516 
Money market funds9,838 — — 9,838 
Certificates of deposit1,301 — — 1,301 
Total cash equivalents16,946 — (1)16,945 
Marketable securities:
Asset-backed securities3,264 — (1)3,263 
Certificates of deposit4,867 — 4,868 
Commercial paper16,411 — 16,412 
Corporate notes and bonds46,662 (24)46,641 
Sovereign bonds1,100 — (1)1,099 
U.S. government and agency securities3,857 — 3,858 
Total marketable securities76,161 (26)76,141 
Total cash equivalents and marketable securities$93,107 $$(27)$93,086 
Contractual Maturities of Available-For-Sale Debt Securities
As of March 31, 2022, the contractual maturities of the Company’s available-for-sale debt securities were as follows (in thousands):
Fair Value
Due within one year$157,948 
Due in one year to three years530,042 
Total$687,990