Quanta Services' stock surged 5.54% in pre-market trading following the release of its fourth-quarter and full-year 2025 financial results, which significantly exceeded analyst expectations.

The infrastructure services provider reported Q4 adjusted earnings per share of $3.16, beating the IBES estimate of $3.02, while revenue came in at $7.84 billion versus the $7.37 billion forecast. Additionally, Q4 adjusted EBITDA of $845.3 million surpassed the estimated $788.7 million. The company also issued strong guidance for fiscal year 2026, projecting revenue between $33.25 billion and $33.75 billion, above the FactSet estimate of $31.45 billion, and adjusted EPS in the range of $12.65 to $13.35, topping the $12.43 consensus.

These better-than-expected results, coupled with optimistic forward-looking statements, have driven investor optimism, leading to the significant pre-market price increase.