---
schema_version: "secwatch.filing_event.v1"
accession: "0001925531-26-000022"
form_type: "8-K"
ticker: null
cik: "0001925531"
company_name: "New Mountain Guardian IV BDC, L.L.C."
filed_at: "2026-11-10T21:18:16+00:00"
generated_at: "2026-11-10T21:19:04.141847+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# New Mountain Guardian IV BDC discloses Sept 30, 2026 portfolio mix; business services 34.8% of fair value

## Summary
- Business Services is the largest industry type at 34.8% of total investments at fair value, led by Insurance & Benefits Services (10.0%) and Data & Information Services (5.7%).
- Software is 29.3% of the portfolio, including Enterprise Resource Planning 10.3%, IT Infrastructure & Security 5.9% and Finance & Accounting 4.3%.
- Financial Services & Technology totals 15.0% (Financial Services 7.7%, Financial Technology 4.5%, Integrated Payments 2.8%); Healthcare is 8.4%.
- Remaining categories: Consumer Services 5.6%, Distribution & Logistics 2.5%, Education 2.1%, Packaging 1.1%, Business Products 1.1%, Investment Fund 0.1%.
- Disclosure adds sub-classifications within each industry type for internal monitoring; no investment amounts, valuations or returns were provided.

## SEC filing metadata
- accession: 0001925531-26-000022
- form_type: 8-K
- cik: 0001925531
- company_name: New Mountain Guardian IV BDC, L.L.C.
- filed_at: 2026-11-10T21:18:16+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1925531/000192553126000022/0001925531-26-000022-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1925531/000192553126000022/nmg4-20261110.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001925531-26-000022
- JSON: https://secwatch.observer/filing/0001925531-26-000022.json
- Plain text: https://secwatch.observer/filing/0001925531-26-000022.txt

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