Q3 Triple Beat: Shake Shack Posts Double-Digit Growth, Unity Turns GAAP Profitable at $622M Revenue, Iron Mountain Raises Guidance

The Quick Take

• Shake Shack (SHAK) Q3 EPS rises to $0.39 with double-digit revenue growth despite missing analyst estimate — unit expansion continues
• Unity Software (U) Q3 revenue surges to $622 million with GAAP profitability confirmed — advertising-driven growth validates transformation
• Iron Mountain (IRM) Q3 revenue reaches $1.99 billion, a record quarter, as the REIT raises full-year guidance on data centre and storage demand

Three distinct US companies reported strong Q3 2026 results on November 5, spanning fast-casual dining, software gaming platforms, and enterprise data management real estate. Shake Shack (NYSE: SHAK) reported Q3 EPS of $0.39 — rising from the prior-year period — alongside double-digit top-line revenue growth that fell just short of analyst estimates. For a fast-casual restaurant company, double-digit same-system revenue growth combined with net unit expansion demonstrates a healthy core business even when the precise revenue figure misses a consensus model by a modest amount. Shake Shack's continued global expansion — including international markets in the Middle East, Asia, and Europe — provides incremental unit economics beyond the US home market.

Unity Software (NYSE: U) confirmed its GAAP profitability in Q3 with revenue surging to $622 million, driven primarily by its Unity Grow advertising monetisation segment. The advertising-driven growth model, which earns revenue from mobile gaming app publishers who monetise their user base through in-game advertising, produced the revenue that pushed the company into GAAP profit for the first time since its 2020 IPO. The $622 million revenue figure represents a substantial acceleration from prior quarters and was lifted above consensus by the advertising segment's performance, which is tightly correlated with mobile gaming engagement levels and the digital advertising market's recovery cycle. Unity's development tools segment — the core real-time 3D platform revenue — also contributed but the ad segment was the primary swing factor.

Iron Mountain (NYSE: IRM) delivered record Q3 quarterly revenue of $1.99 billion and raised its full-year 2026 guidance — a combination that reflects the structural growth in both the company's legacy physical records management business and its accelerating data centre segment. Iron Mountain has been repositioning itself as a hybrid REIT that spans the traditional secure document storage business and the high-growth digital infrastructure segment — specifically data centres in secondary and emerging markets where land and power costs are lower than hyperscaler-dominated primary markets. The guidance raise signals management confidence that the data centre construction pipeline and leasing activity are ahead of initial projections, supporting a higher full-year revenue and AFFO outcome.

Synthesized from 3 sources covering Shake Shack (SHAK), Unity Software (U), and Iron Mountain (IRM) Q3 2026 earnings.