v3.26.1
INVESTMENTS
6 Months Ended
Jun. 30, 2026
INVESTMENTS.  
INVESTMENTS

3.INVESTMENTS

The following table summarizes the Company’s investments at:

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Continuous

  ​ ​ ​

Continuous

Gross

Gross

Unrealized

Unrealized

Unrealized

Unrealized

Loss Position

Loss Position

Amortized

Holding

Holding

Fair

less than

greater than

June 30, 2026

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

Losses

  ​ ​ ​

Value

  ​ ​ ​

12 Months

  ​ ​ ​

12 Months

Available-for-sale

Short-term:

Commercial paper

$

174,270

$

1

$

$

174,271

$

$

Municipal securities

3,107

5

3,102

5

U.S. government agency securities

62,316

53

62,263

53

U.S. treasuries

 

653,881

 

 

907

 

652,974

 

907

 

Corporate bonds

 

334,849

 

 

627

 

334,222

 

627

 

Long-term:

Municipal securities

593

4

589

4

U.S. government agency securities

42,124

289

41,835

289

U.S. treasuries

 

468,616

 

 

2,664

 

465,952

 

2,664

 

Corporate bonds

 

274,305

 

 

1,367

 

272,938

 

1,367

Total

$

2,014,061

$

1

$

5,916

$

2,008,146

$

5,916

$

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Continuous 

  ​ ​ ​

Continuous 

Gross

Gross

Unrealized 

Unrealized 

Unrealized

Unrealized

Loss Position 

Loss Position 

Amortized

Holding

Holding

Fair

less than

greater than 

December 31, 2025

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

Losses

  ​ ​ ​

Value

  ​ ​ ​

12 Months

  ​ ​ ​

12 Months

Available-for-sale

  ​

  ​

  ​

  ​

  ​

  ​

Short-term:

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

Commercial paper

$

90,418

$

1

$

$

90,419

$

$

Certificates of deposit

 

12,728

 

 

 

12,728

 

 

Municipal securities

 

674

 

1

 

 

675

 

 

U.S. treasuries

 

489,007

 

492

 

 

489,499

 

 

Corporate bonds

 

83,639

 

124

 

 

83,763

 

 

Long-term:

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

Municipal securities

 

1,206

 

1

 

 

1,207

 

 

U.S. treasuries

 

259,613

 

353

 

 

259,966

 

 

Corporate bonds

 

225,867

 

289

 

 

226,156

 

 

Total

$

1,163,152

$

1,261

$

$

1,164,413

$

$

During the three- and six-months ended June 30, 2026 and 2025, realized gains or losses recognized on the sale of investments were not significant.

The Company’s investments at June 30, 2026 carried investment grade credit ratings.

The following table summarizes the underlying contractual maturities of the Company’s investments at:

  ​ ​ ​

June 30, 2026

  ​ ​ ​

December 31, 2025

  ​ ​ ​

Amortized Cost

  ​ ​ ​

Fair Value

  ​ ​ ​

Amortized Cost

  ​ ​ ​

Fair Value

Less than 1 year:

  ​

 

  ​

  ​

 

  ​

Commercial paper

$

174,270

$

174,271

$

90,418

$

90,419

Certificates of deposit

 

 

 

12,728

 

12,728

Municipal securities

3,107

3,102

674

675

U.S. government agency securities

62,316

62,263

U.S. treasuries

 

653,881

 

652,974

 

489,007

 

489,499

Corporate bonds

 

334,849

 

334,222

 

83,639

 

83,763

Due 1 - 10 years:

 

 

 

 

Municipal securities

593

589

1,206

1,207

U.S. government agency securities

42,124

41,835

U.S. treasuries

 

468,616

 

465,952

 

259,613

 

259,966

Corporate bonds

 

274,305

 

272,938

 

225,867

 

226,156

Total

$

2,014,061

$

2,008,146

$

1,163,152

$

1,164,413