MNTN Inc. (NYSE:MNTN) shares rose 41.33% to $11.49 in after-hours trading on Tuesday after reporting record fourth-quarter and full-year 2025 results.

The Texas-based ad-tech software company announced fourth-quarter revenue of $87.1 million, up 36% year over year, excluding the Maximum Effort divestiture, according to a Tuesday press release.

MNTN reported a net income of $34.5 million for the fourth quarter, up from a net loss of $4 million in the same period of 2024.

Margin, Customer Growth

According to MNTN, fourth-quarter gross margin rose to 82%, up from 77% in the same period last year.

Adjusted earnings before interest, taxes, depreciation, and amortization for the company totaled $28.1 million, or 32% of revenue. …

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