Company: CALX
Filing Date: 2025-10-30
Form Type: 10-Q
Source: 0001406666-25-000045
Chunk: 64

Company: CALIX, INC
Filing Date: 2025-10-30
Form: 10-Q
Item: Part I, Item 8
Chunk 64
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. That growth has been broad based. Specifically, during the third quarter of 2025, the large-customer segment increased $25.0 million primarily due to a North American customer that increased its capital expenditures this year relative to last year and the reclassification of a small customer to the large-customer segment after being acquired by a different large customer. The medium-customer segment increased $6.2 million primarily due to increased shipments to a few customers. The small-customer segment increased by $33.3 million as BXPs focused on adding subscribers.

For the three and nine months ended September 27, 2025, United States revenue was $249.2 million and $679.4 million, or 94% and 93% of our revenue, respectively, compared to $187.1 million and $579.9 million, or 93% of our revenue for the same periods in 2024. International revenue was $16.2 million and $48.1 million, or 6% and 7% of our revenue, respectively, for the three and nine months ended September 27, 2025, as compared to $13.9 million and $45.5 million, or 7% of our revenue, for the same periods in 2024.

No customer accounted for more than 10% of our revenue for the three and nine months ended September 27, 2025 or September 28, 2024.

Gross Profit and Gross Margin

The following table sets forth our gross profit and gross margin (dollars in thousands):

 Three Months EndedNine Months Ended September 27,2025September 28,2024VarianceinDollarsVarianceinPercentSeptember 27,2025September 28,2024VarianceinDollarsVarianceinPercentGross profit$152,010 $110,047 $41,963 38 %$411,013 $340,227 $70,786 21 %Gross margin57.3 %54.8 %56.5 %54.4 %

Gross profit increased to $152.0 million and $411.0 million for the three and nine months ended September 27, 2025, from $110.0 million and $340.2 million during the corresponding periods in 2024. These increases were mainly due to the corresponding increases in revenue. Our gross margin increased by 250 and 210 basis points