PubMatic (PUBM) Q4 2024 earnings summary

Executive summary

• FY 2024 revenue grew 9% year-over-year to $291.3M, with adjusted EBITDA of $92.3M (32% margin) and GAAP net income of $12.5M.

• CTV revenue more than doubled, reaching 20% of Q4 revenue; mobile app revenue grew 16% and also represented 20% of total revenue.

• Supply Path Optimization (SPO) activity hit an all-time high, representing 53% of platform activity.

• Excluding a major DSP headwind and political ad spend, underlying Q4 revenue grew 16% year-over-year.

• Investments in generative AI increased engineering productivity by over 15% and enabled new customer-facing products.

Financial highlights

• Gross margin expanded by 250 basis points year-over-year; adjusted EBITDA margin improved by 350 basis points to 32%.

• Q4 adjusted EBITDA was $37.6M (44% margin); Q4 GAAP net income was $13.9M ($0.26 per diluted share).

• Free cash flow for 2024 was $34.9M, with operating cash flow at $73.4M.

• Ended 2024 with $141M in cash and marketable securities, no debt.

• Reduced fully diluted shares outstanding by 8% in 2024 through $134.6M in share repurchases.

Outlook and guidance

• Underlying business (excluding DSP and political) targeted to grow 15%+ year-over-year in 2025.

• Q1 2025 revenue expected between $61M–$63M; adjusted EBITDA projected at $5M–$7M.

• Full-year adjusted EBITDA margin anticipated in the high 20% range, with first half margins lower due to DSP headwind.

• CapEx for 2025 projected at ~$18M, similar to 2024.

• Free cash flow expected to be lower in first half, returning to historical levels in second half.