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CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS
12 Months Ended
Dec. 31, 2021
CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS  
CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

5. CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

The Company’s cash equivalents and short-term investments are invested in the following (in thousands):

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​

​

​

​

​

​

​

​

​

​

​

​

​

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December 31, 2021

​

    

Amortized Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

Money market funds

​

$

46,521

​

$

—

​

$

—

​

$

46,521

Total cash equivalents

​

​

46,521

​

​

—

​

​

—

​

​

46,521

Commercial paper

​

​

70,401

​

​

—

​

​

—

​

​

70,401

Corporate bonds

​

​

65,645

​

​

—

​

​

(28)

​

​

65,617

Government bonds

​

​

36,487

​

​

—

​

​

(11)

​

​

36,476

Asset-backed securities

​

​

24,665

​

​

—

​

​

(10)

​

​

24,655

Total short-term investments

​

​

197,198

​

​

—

​

​

(49)

​

​

197,149

Total cash equivalents and short-term investments

​

$

243,719

​

$

—

​

$

(49)

​

$

243,670

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

December 31, 2020

​

    

Amortized Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

Commercial paper

​

$

75,374

​

$

—

​

$

—

​

$

75,374

Money market funds

​

​

407,512

​

​

—

​

​

—

​

​

407,512

Total cash equivalents

​

​

482,886

​

​

—

​

​

—

​

​

482,886

U.S. Treasury securities

​

​

19,995

​

​

2

​

​

—

​

​

19,997

Commercial paper

​

​

43,911

​

​

—

​

​

—

​

​

43,911

Corporate bonds

​

​

47,970

​

​

—

​

​

(11)

​

​

47,959

Total short-term investments

​

​

111,876

​

​

2

​

​

(11)

​

​

111,867

Total cash equivalents and short-term investments

​

$

594,762

​

$

2

​

$

(11)

​

$

594,753

​

During the year ended December 31, 2021, the Company made a $20.0 million investment in equity securities of a publicly-traded company. The Company records this investment at fair value, which was $7.4 million as of December 31, 2021. Prior to the investment, the Company entered into a subscription agreement to purchase the investment, resulting in a subscription agreement liability which was derecognized upon investment. During the year ended December 31, 2021, the Company recorded an unrealized loss due to the change in fair value of the equity securities and the related subscription agreement liability of $12.6 million in interest and other (expense) income, net in the consolidated statements of operations.