NOTE 3.           REVENUE

Disaggregation of Revenue

The following tables present additional information regarding our revenue:

Revenue by Market

Years Ended December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

(in millions)

Semiconductor Equipment

$

839.9

$

792.5

$

743.8

Data Center Computing

587.3

284.2

249.9

Industrial and Medical

 

282.3

 

316.2

 

474.4

Telecom and Networking

89.3

89.1

187.7

Total

$

1,798.8

$

1,482.0

$

1,655.8

Revenue by Significant Countries

Years Ended December 31, 

 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

 

(in millions)

United States

$

541.4

30.1

%  

$

508.7

34.3

%  

$

598.4

36.1

%

Mexico

252.8

14.1

160.1

10.8

123.5

7.5

Taiwan

130.2

7.2

159.6

10.8

124.2

7.5

Japan

218.2

12.1

53.6

3.6

62.5

3.8

All others

656.2

36.5

600.0

40.5

747.2

45.1

Total

$

1,798.8

  ​ ​ ​

100.0

%  

$

1,482.0

  ​ ​ ​

100.0

%  

$

1,655.8

  ​ ​ ​

100.0

%

We attribute revenue to individual countries and regions based on the customer’s ship to location. Aside from the specific countries listed above, no individual country exceeded 10% of our total consolidated revenues during the periods presented.

Revenue by Category

Years Ended December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

(in millions)

Product

$

1,614.9

$

1,315.7

$

1,484.0

Services and other

183.9

 

166.3

 

171.8

Total

$

1,798.8

  ​ ​ ​

$

1,482.0

  ​ ​ ​

$

1,655.8

Other revenue includes certain spare parts and products sold by our service group.

Significant Customers

During the year ended December 31, 2025, three customers accounted for 23%, 19%, and 12% of our total revenue, respectively. During the year ended December 31, 2024, two customers accounted for 26% and 11% of our total revenue, respectively. During the year ended December 31, 2023, one customer accounted for 22% of our total revenue.

As of December 31, 2025, the account receivable balance from three customers accounted for 26%, 10%, and 20%, respectively, of our total accounts receivable. During the year ended December 31, 2024, two customers accounted for 25% and 14%, respectively, of our total accounts receivable. No other customer’s account receivable exceeded 10% of our total accounts receivable in the periods presented.

Historical Timeline

Fiscal YearFiled
2025Feb 13, 2026Showing above
2024Feb 18, 2025
2023Feb 20, 2024
2022Feb 17, 2023
2021Mar 16, 2022
2020Feb 24, 2021
2019Mar 2, 2020
2018Feb 21, 2019

About Revenue Disclosures

Revenue disclosures under ASC 606 explain how a company identifies performance obligations, allocates transaction prices, and determines when revenue is recognized. This section is essential for understanding whether reported revenue reflects genuine economic activity or aggressive accounting choices. Analysts examine the mix of point-in-time versus over-time recognition, which directly affects revenue timing and comparability.

Key signals: rising contract liabilities (deferred revenue) suggest strong future revenue visibility, while declining contract assets may indicate slowing project milestones. Watch for variable consideration estimates — rebates, returns, and performance bonuses that require management judgment. Significant changes in disaggregated revenue by geography or product line can reveal shifting business mix before it appears in headline numbers. Compare revenue growth against contract liability growth to assess sustainability, and scrutinize any changes in the timing of recognition that coincide with earnings pressure.