---
schema_version: "secwatch.filing_event.v1"
accession: "0001595974-23-000038"
form_type: "8-K"
ticker: "MGNI"
cik: "0001595974"
company_name: "MAGNITE, INC."
filed_at: "2023-11-08T23:59:59+00:00"
generated_at: "2026-06-08T09:32:19.150923+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Magnite Q3 revenue $150.1M (+3% YoY); CTV ad spend growth >20%

## Summary
- Revenue $150.1M (+3% YoY); Contribution ex-TAC $133.1M (+4%), above guidance. CTV ad spend >20%.
- Net loss improved to $17.5M ($0.13 loss/sh) from $24.4M; Non-GAAP EPS $0.12 vs $0.18.
- Repurchased $34.5M convertible notes in Q3; total $125M (31% of notes) retired.
- Q4 Contribution ex-TAC guidance $158-162M; FY2024 sees high single-digit growth and EBITDA margin expansion 50-100bps.

## SEC filing metadata
- accession: 0001595974-23-000038
- form_type: 8-K
- ticker: MGNI
- cik: 0001595974
- company_name: MAGNITE, INC.
- filed_at: 2023-11-08T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- 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/1595974/000159597423000038/0001595974-23-000038-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1595974/000159597423000038/mgni-20231108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001595974-23-000038
- JSON: https://secwatch.observer/filing/0001595974-23-000038.json
- Plain text: https://secwatch.observer/filing/0001595974-23-000038.txt

## Key facts
- Earnings Releases
  MAGNITE, INC. reported fiscal quarter ended September 30, 2023 results: revenue $150.1 million, net income $17.5 million, EPS $0.13.
  - Period: fiscal quarter ended September 30, 2023
  - Revenue: $150.1 million
  - Net income: $17.5 million
  - EPS: $0.13
  - Result: reported results
  source text: world's largest independent sell-side advertising company, today reported its results of operations for the quarter ended September 30, 2023. Q3 2023 Highlights: • Revenue of $150.1 million, up 3% year-over-year • Contribution ex-TAC (1) of $133.1 million, up 4% year-over-year • Contribution ex-TAC (1) attributable to CTV of $52.5 million, down 6% year-over-year,
  evidence_url: https://www.sec.gov/Archives/edgar/data/1595974/000159597423000038/0001595974-23-000038-index.htm

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