---
schema_version: "secwatch.filing_event.v1"
accession: "0001595974-25-000041"
form_type: "8-K"
ticker: "MGNI"
cik: "0001595974"
company_name: "MAGNITE, INC."
filed_at: "2025-11-05T23:59:59+00:00"
generated_at: "2026-05-17T00:17:39.276724+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Magnite Q3 revenue $179.5M (+11% YoY); Contribution ex-TAC beats guidance; CTV up 18%

## Summary
- Revenue $179.5M (+11% YoY); Contribution ex-TAC $166.8M (+12%), above guidance $161-165M.
- CTV Contribution ex-TAC $75.8M (+18%/25% ex-political); Q4 CTV guidance $87-89M (+12-14%).
- Net income $20.1M ($0.13 diluted) vs $5.2M ($0.04); Adjusted EBITDA $57.2M (+13%).
- Q4 total Contribution ex-TAC guidance $191-196M (+6-9% total, 13-16% ex-political).
- FY2026 targets: Contribution ex-TAC growth ≥11%, Adj EBITDA margin ≥35%.

## SEC filing metadata
- accession: 0001595974-25-000041
- form_type: 8-K
- ticker: MGNI
- cik: 0001595974
- company_name: MAGNITE, INC.
- filed_at: 2025-11-05T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1595974/000159597425000041/0001595974-25-000041-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1595974/000159597425000041/mgni-20251105.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001595974-25-000041
- JSON: https://secwatch.observer/filing/0001595974-25-000041.json
- Plain text: https://secwatch.observer/filing/0001595974-25-000041.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.