September 30, 2023

Amortized cost

Gross unrealized gains

Gross unrealized losses

Credit losses

Fair value

Money market funds

$

261,202

$

—

$

—

$

—

$

261,202

U.S. Treasury securities

96,945

—

(179

)

—

96,766

U.S. Government agency securities

144,551

14

(147

)

—

144,418

Commercial paper

86,852

—

(174

)

—

86,678

Corporate debt securities

15,608

—

(19

)

—

15,589

$

605,158

$

14

$

(519

)

$

—

$

604,653

Cash equivalents

$

261,202

Short-term marketable securities

285,186

Long-term marketable securities

58,264

$

604,652

December 31, 2022

Amortized cost

Gross unrealized gains

Gross unrealized losses

Credit losses

Fair value

Money market funds

$

137,286

$

—

$

—

$

—

$

137,286

U.S. Treasury securities

58,698

23

—

—

58,721

Corporate debt securities

5,478

—

(2

)

—

5,476

U.S. Government agency securities

62,939

15

—

—

62,954

Commercial paper

27,739

—

—

—

27,739

$

292,140

$

38

$

(2

)

$

—

$

292,176

Cash equivalents

$

190,500

Short-term marketable securities

101,676

$

292,176