Rambus (RMBS) Q1 2025 earnings summary

Executive summary

• Achieved record Q1 2025 product revenue of $76.3M, up 52% year-over-year, driven by strong DDR5 chip sales and robust demand across diversified revenue streams including chips, IP, and patents.

• Exceeded expectations for both revenue and earnings, with strong cash generation and a debt-free balance sheet supporting ongoing investment in technology leadership and new product development.

• Maintained leadership in DDR5 chip products, with continued innovation in PMICs and MRDIMM chipsets and new product rollouts supporting long-term growth.

Financial highlights

• Q1 2025 revenue reached $166.7M, up 41% year-over-year and 4% sequentially; product revenue was $76.3M, royalty revenue $74.0M, and contract/other revenue $16.4M.

• Non-GAAP net income was $64.6M; GAAP net income was $60.3M, with diluted EPS of $0.56, up from $0.30 year-over-year.

• Cash, cash equivalents, and marketable securities totaled $514.4M at quarter end; cash from operations was $77.4M.

• Gross profit for Q1 2025 was $133.8M, up from $94.2M year-over-year; operating income was $63.1M, up from $30.1M.

• Capital expenditures were $11.7M; depreciation expense was $7.1M.

Outlook and guidance

• Q2 2025 product revenue expected between $77M and $83M; royalty revenue outlook $67M–$73M; licensing billings projected at $64M–$70M; contract and other revenue at $17M–$23M.

• Q2 non-GAAP operating costs (including COGS) expected between $90M and $94M; GAAP operating costs and expenses expected at $110M–$106M; assumes a 20% tax rate.

• Revenue guidance contingent on signing customer agreements for product sales and licensing.

• Anticipates continued growth in memory interface chips and companion products, with new product rollouts supporting revenue expansion in the second half and into 2026.

• No liquidity constraints anticipated for the next 12 months; expects to continue evaluating strategic acquisitions and repurchases.