Zillow Group Inc. (Z) (ZG) delivered a classic "good but not quite good enough" earnings report Tuesday evening, the kind that reminds investors how unforgiving the market can be when expectations run high.

The Numbers Tell a Mixed Story

The real estate platform posted fourth-quarter revenue of $654 million, edging past the $650.29 million analysts were expecting. That 18% year-over-year growth is particularly notable because Zillow says it outperformed the broader residential real estate industry during the same period.

But here's where things got tricky: adjusted earnings came in at 39 cents per share, missing the 40-cent estimate by a penny. Small miss? Sure. But enough to send shares tumbling 4.95% to $52 in after-hours trading.

Zillow closed the quarter with $1.3 billion in cash and investments after buying back 3.4 million shares of its common stock for $232 million during the period. That's a company comfortable enough with its position to return capital to shareholders even as it invests in growth.

"We delivered strong results in the fourth quarter and throughout 2025, achieving all our reported full-year financial targets, including positive net income, while continuing to gain share in both For Sale and Rentals," said CEO Jeremy Wacksman.

Looking Ahead: Optimistic Guidance

Despite the market's lukewarm reception, Zillow's forward guidance suggests management sees better days ahead. The company expects first-quarter revenue between $700 million and $710 million, comfortably above the $690.33 million consensus estimate.

Wacksman emphasized the company's competitive advantages: "With our deeply engaged audience, industry-leading software that powers industry workflows, and two decades of AI innovation, we are uniquely positioned to drive durable growth by making the entire moving journey easier for consumers and the real estate professionals who serve them."

The question now is whether investors will focus on the modest earnings miss or the stronger-than-expected guidance and market share gains. Tuesday's after-hours reaction suggests they're still deciding.