MGNI vs PUBM
MGNI: Magnite is a leading independent sell-side advertising platform that empowers digital publishers to maximize their revenue across CTV, video, and display formats through programmatic automation. PUBM: PubMatic provides an AI-powered sell-side platform that connects digital publishers with advertisers, delivering high-performance, transparent programmatic advertising infrastructure.
Side-by-side fundamentals
| Metric | MGNI | PUBM | Edge |
|---|---|---|---|
| Price as of 2026-10-08 close | $25.45 | $18.68 | |
| Market cap | $3.7B | $851M | |
| P/E as of 2026-10-08 | 24.36 | n/a | |
| Net margin FY2025, SEC XBRL | +20.3% | -5.1% | MGNI higher |
| Gross margin FY2025, SEC XBRL | n/a | +63.6% | |
| Operating margin FY2025, SEC XBRL | +13.7% | -6.1% | MGNI higher |
| ROE FY2025, SEC XBRL | +15.7% | -5.5% | MGNI higher |
| ROA FY2025, SEC XBRL | +4.6% | -2.1% | MGNI higher |
| Debt / equity as of 2026-09-03 | 0.37 | 0.00 | PUBM lower |
| Revenue growth (YoY) as of 2026-09-03 | +8.3% | -1.0% | MGNI higher |
| Revenue CAGR (3y) SEC XBRL | +7.4% | +3.3% | MGNI higher |
| Dividend streak (yrs) SEC XBRL | 0 | 0 | Tie |
| Beta as of 2026-09-03 | 1.63 | 1.29 | |
| 1-year return as of 2026-10-08 close | +33.3% | +110.1% | PUBM higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-08.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.