---
schema_version: "secwatch.filing_event.v1"
accession: "0001595974-26-000023"
form_type: "8-K"
ticker: "MGNI"
cik: "0001595974"
company_name: "MAGNITE, INC."
filed_at: "2026-05-06T23:59:59+00:00"
generated_at: "2026-05-14T22:43:17.277276+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Magnite Q1 contribution ex-TAC up 10% to $160.9M; CTV surges 30%; raises FY margin and FCF guidance

## Summary
- Revenue $164.4M (+6% YoY); net income $4.4M ($0.03 diluted) vs loss of $9.6M in Q1 2025.
- CTV contribution ex-TAC $82.3M (+30% YoY), now >50% of total; DV+ contribution $78.6M (-5% YoY).
- Adjusted EBITDA $42.9M (+16% YoY), margin 27%; non-GAAP EPS $0.13 vs $0.12 a year ago.
- Q2 total contribution ex-TAC guidance $177M-$181M; CTV contribution $90M-$92M.
- Full-year: reaffirms contribution ex-TAC growth ≥11%; raises EBITDA margin target to ≥35.5% and FCF growth to mid-30% range.

## SEC filing metadata
- accession: 0001595974-26-000023
- form_type: 8-K
- ticker: MGNI
- cik: 0001595974
- company_name: MAGNITE, INC.
- filed_at: 2026-05-06T23:59:59+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/1595974/000159597426000023/0001595974-26-000023-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1595974/000159597426000023/mgni-20260506.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001595974-26-000023
- JSON: https://secwatch.observer/filing/0001595974-26-000023.json
- Plain text: https://secwatch.observer/filing/0001595974-26-000023.txt

## Source-grounded claims
- claim_id: 2620567c3dc7db50c6b6af2053f28357740fb9cf
  claim: MAGNITE, INC. reported the quarter ended March 31, 2026 results: revenue $164.4 million, net income $4.4 million, EPS $0.03 per diluted share.
  evidence_excerpt: MGNI), the largest independent sell-side advertising company, today reported its results of operations for the quarter ended March 31, 2026. Q1 2026 Highlights: • Revenue of $164.4 million, up 6% year-over-year • Contribution ex-TAC (1) of $160.9 million, up 10% year-over-year, at the high end of the guidance range of $157 to $161 million • Contribution ex-TAC (1)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1595974/000159597426000023/0001595974-26-000023-index.htm

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