MGNI vs RUM
MGNI: Magnite operates an independent ad exchange and programmatic platform enabling publishers and advertisers to transact CTV and open web advertising inventory at scale through real-time bidding. RUM: A creator-first video platform and social media network that prioritizes content creator distribution and transparency, competing against incumbent platforms through algorithmic consistency and expansion into cloud and cryptocurrency services.
Side-by-side fundamentals
| Metric | MGNI | RUM | Edge |
|---|---|---|---|
| Price as of 2026-07-09 close | $21.22 | $6.38 | |
| Market cap as of 2026-07-10 | $3.0B | $2.8B | |
| P/E as of 2026-07-10 | 19.08 | n/a | |
| PEG as of 2026-07-10 | 0.51 | n/a | |
| Net margin as of 2026-07-10 | +22.0% | -106.9% | MGNI higher |
| Gross margin as of 2026-07-10 | +63.4% | -1.9% | MGNI higher |
| Operating margin as of 2026-07-10 | +14.8% | -126.4% | MGNI higher |
| ROE as of 2026-07-10 | +18.6% | -38.4% | MGNI higher |
| ROA as of 2026-07-10 | +5.3% | -31.4% | MGNI higher |
| Debt / equity as of 2026-07-10 | 0.38 | 0.00 | RUM lower |
| Revenue growth (YoY) as of 2026-07-10 | +7.1% | +0.9% | MGNI higher |
| Revenue CAGR (3y) SEC XBRL | +7.4% | +36.7% | RUM higher |
| Beta as of 2026-07-10 | 2.29 | 1.15 | |
| 1-year return as of 2026-07-09 close | -10.4% | -30.2% | MGNI higher |
Fundamentals: Finnhub, as of 2026-07-10. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-09.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.