SiTime Corporation Q4 FY2025 earnings call

• Q4 2025 was exceptional with revenue of $113.3 million, up 66% Y/Y, and EPS tripling to $1.53. Full year 2025 saw revenue of $326.7 million, up 61% Y/Y, and EPS more than tripling to $3.20.
• Book to bill was over 1.5 at the end of Q4, with channel health solid and design win momentum strong.
• CED business grew 160% Y/Y in Q4, and 2026 forecast increased due to AI CapEx spending. The 2026 forecast for Super TCXOs used in computing infrastructure and smart NICS increased by 50%.
• The acquisition of Renesas' timing business is transformational, expected to add $300 million in the twelve months after close with approximately 70% gross margins, and 75% of the revenue comes from the CED segment.

In Q4 2025, SiTime Corporation delivered $113.3 million in revenue, up 66% year over year. For the full year 2025, revenue reached $326.7 million, up 61% year over year. The Communications, Enterprise, Data Center (CED) segment was the primary growth engine in Q4, contributing $64.6 million (57% of total revenue) and growing 160% year over year. Automotive, industrial, and aerospace contributed $24.5 million (22% of revenue), increasing 19% year over year. Consumer, IoT, and mobile revenue was $24.2 million (21% of total revenue), up 7% year over year. Gross margins in Q4 were 61.2%, and for the full year 2025, gross margins were 59.3%.

• Q1 2026 revenue is projected in the range of $101 to $104 million, up roughly 70% year over year at the midpoint.
• Gross margin is expected to be approximately 62% plus minus half a point.
• Operating expenses are in the range of $39 million to $40 million.
• Interest income is approximately $7 million.
• Share count is 27 million to 27.5 million shares.
• Q1 non-GAAP earnings per share is expected to be in the range of $1.10 to $1.17.
• Acquisition of Renesas' timing business not expected to impact Q1 guidance.

• Forward-looking statements carry risks of actual results differing materially from those anticipated.
• Risks described in the company's annual report on Form 10-Ks for the year ended 12/31/2024 and subsequent SEC filings, including factors affecting business performance.

Q: Tore Svanberg asks about book to bill and CED bookings.

A: Rajesh Vashist states most bookings come from CED due to its growth.

Q: Quinn Bolton asks about cross selling with Renesas.

A: Rajesh Vashist talks about little product overlap, opportunity to cross sell MEMS oscillators.

Q: Jim Schneider asks about book to bill duration and consumer growth.

A: Beth Howe says book to bill within 12 months, consumer growth from design wins.

Q: Thomas James O'Malley asks about gross margin and acquisition OpEx.

A: Beth Howe talks about mix driving gross margin, acquisition details on OpEx split.

Q: Christopher Caso asks about 1.6 terabit platforms and acquisition growth.

A: Rajesh Vashist talks about content gains and combined business growth rate.

Q: Suji Desilva asks about resonator integration with Renesas.

A: Rajesh Vashist says Titan family is breakthrough, ahead in commitment.

Q: Gary Mobley asks about supply chain and acquisition fabless.

A: Rajesh Vashist talks about supply chain confidence and fabless model match.