PubMatic, Inc. 10-Q Summary
Business Context and Reporting Period
PubMatic provides cloud infrastructure for real-time programmatic advertising transactions between publishers and advertising buyers. This unaudited Form 10-Q covers the three months ended March 31, 2021, compared primarily with the three months ended March 31, 2020. The company completed its initial public offering in December 2020 and began trading on Nasdaq under the symbol PUBM.
As of March 31, 2021, PubMatic served approximately 1,250 publishers and app developers globally. The platform processed approximately 18.5 trillion ad impressions during the quarter and approximately 211 billion ad impressions daily in March 2021. Mobile and video, including OTT and CTV, represented approximately 63% of revenue.
Financial and Operating Metrics
| Metric | Q1 2021 | Q1 2020 | Change |
|---|---|---|---|
| Revenue | $43.6 million | $28.3 million | Up 54% |
| Gross profit | $31.3 million | $18.3 million | Up 71% |
| Gross margin | 72% | 65% | Up 7 percentage points |
| Operating income | $6.6 million | $1.0 million | Up $5.6 million |
| Operating margin | 15% | 5% | Up 10 percentage points |
| Net income | $4.9 million | $0.9 million | Up $4.0 million |
| Net margin | 11% | 5% | Up 6 percentage points |
| Adjusted EBITDA | $14.5 million | $5.1 million | Up 183% |
| Adjusted EBITDA margin | 33% | 18% | Up 15 percentage points |
| Net cash from operating activities | $12.7 million | $14.7 million | Down $2.0 million |
Basic and diluted earnings per share were $0.10 and $0.09, respectively, in Q1 2021. The effective tax rate was 28%, compared with 31% in the prior-year quarter.
Operating expenses were $24.7 million, or 57% of revenue, versus $17.3 million, or 60% of revenue, in Q1 2020. Technology and development expense increased 28%, sales and marketing increased 28%, and general and administrative expense increased 87%, reflecting higher headcount, public-company costs, professional services, insurance, and stock-based compensation. Stock-based compensation increased to $3.2 million from $0.5 million.
Liquidity, Capital Resources, and Debt
- Cash and cash equivalents were $76.6 million at March 31, 2021, compared with $81.2 million at December 31, 2020.
- Marketable securities were $33.4 million, resulting in total cash, cash equivalents, and marketable securities of approximately $110.0 million.
- Net working capital was $145.9 million.
- PubMatic had no borrowings outstanding under its $45.0 million revolving credit facility with Silicon Valley Bank. Availability is subject to borrowing-base limitations based on eligible accounts receivable.
- The facility carried a 3.25% interest rate as of March 31, 2021 and was secured by substantially all assets other than intellectual property. The company was in compliance with its covenants.
- In April 2021, the credit agreement was amended to extend its maturity date to June 6, 2021.
- Contractual commitments totaled $11.8 million, including $2.6 million of lease commitments and $9.1 million of other contractual obligations, primarily data-center commitments.
- The company disclosed $3.7 million of long-term income tax liabilities related to uncertain tax positions, although the timing of related cash outflows could not be estimated.
Operating cash flow was supported by net income, depreciation and amortization, stock-based compensation, and a $46.4 million decrease in accounts receivable, partially offset by a $40.9 million decrease in accounts payable. Investing activities used $16.8 million, including $13.6 million of net purchases of marketable securities and $3.0 million of capitalized software development costs. Financing activities used $0.4 million, primarily for remaining IPO offering costs.
Material Changes Versus the Prior Comparable Period
- Revenue increased 54%, driven by higher impression volumes from existing and new publishers and increased buyer spending associated with supply-path-optimization initiatives.
- Impressions processed increased to approximately 18.5 trillion from 9.0 trillion.
- Gross margin expanded to 72% from 65%, primarily due to greater platform utilization and lower cost per impression.
- Operating income and net income increased substantially as revenue growth exceeded the increase in operating costs.
- General and administrative expense rose sharply, reflecting increased stock-based compensation, professional services, insurance, and costs associated with operating as a public company.
- Operating cash flow declined despite higher net income because of working-capital timing and lower net changes in accounts payable relative to the prior year.
- Net dollar-based retention improved to 130% from 112% for the respective trailing twelve-month periods.
- Revenue concentration remained significant: one publisher represented 20% of Q1 2021 revenue, compared with 24% in Q1 2020. Three buyers represented 29%, 15%, and 14% of accounts receivable at March 31, 2021.
Guidance, Outlook, Commentary, and Risks
Management stated that it expects revenue to continue growing in 2021, primarily from increased global open-internet activity, mobile, and omnichannel video. The filing does not provide a specific quantitative revenue or earnings forecast.
Management expects cost of revenue, technology and development, sales and marketing, and general and administrative expenses to increase in absolute dollars during 2021. The company expects additional investment in infrastructure, technology, international expansion, headcount, and public-company compliance. Seasonality is expected to remain a factor, with advertising spending typically higher in the fourth quarter and lower in the first quarter.
- COVID-19 effects remained uncertain. Advertising categories such as travel, automotive, and entertainment were still below pre-pandemic spending levels, although other categories had recovered.
- Digital advertising demand, pricing pressure, buyer or publisher concentration, and customer retention could materially affect results.
- Privacy and data-protection developments, including the CCPA, CPRA, GDPR, evolving cookie restrictions, mobile identifier changes, and cross-border data-transfer rules, could reduce inventory value, increase compliance costs, or require changes to the platform.
- Competition is intense, including from larger advertising technology companies with greater financial, technical, data, and sales resources.
- Reliance on third-party data centers, India-based technology resources, infrastructure scalability, cybersecurity, fraud prevention, and uninterrupted platform performance creates operational risk.
- The company may face payment and bad-debt risk because it generally collects from buyers and remits amounts to publishers; certain arrangements may require payments to publishers even when buyer collections are delayed or unsuccessful.
- A previously disclosed buyer-bankruptcy-related preference-payment matter was settled for $0.3 million. Management stated that no other pending legal proceedings were expected to have a material adverse effect.
- The dual-class structure gives Class B holders ten votes per share. Directors, officers, and holders of more than 5% of the stock collectively held approximately 80% of voting power as of April 30, 2021.
Management concluded that disclosure controls and procedures were effective at a reasonable assurance level as of March 31, 2021, and reported no material changes in internal control over financial reporting during the quarter.
Important Facts for Investors to Verify
- Verify the post-quarter status and any subsequent refinancing or extension of the Silicon Valley Bank credit facility, whose disclosed maturity was June 6, 2021.
- Monitor whether revenue growth, 130% net dollar-based retention, and expanded mobile, video, OTT, and CTV activity continue without materially increasing infrastructure and personnel costs.
- Assess customer and counterparty concentration, particularly the largest publisher and major DSP buyers, as well as accounts-receivable collection trends.
- Track the effect of privacy regulation, third-party-cookie restrictions, mobile identifier changes, and consent requirements on impression volumes and monetization.
- Reconcile reported GAAP results with Adjusted EBITDA, including the increasing impact of stock-based compensation.
- Review the timing and potential cash impact of $3.7 million of uncertain tax liabilities and the $11.8 million of contractual commitments.
- Consider the implications of the dual-class voting structure, concentrated insider control, potential share dilution, and the absence of anticipated cash dividends.