---
title: "NATIONWIDE MUTUAL INSURANCE CO — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ebd6efcd-4b75-5015-aa7b-b7d907058516
json: https://whiteintel.dev/api/public/dossier/ebd6efcd-4b75-5015-aa7b-b7d907058516
identifier: sec:0000315099
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# NATIONWIDE MUTUAL INSURANCE CO

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000315099`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ebd6efcd-4b75-5015-aa7b-b7d907058516  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ebd6efcd-4b75-5015-aa7b-b7d907058516  

## Ownership & control

### Holdings / subsidiaries

- **HARLEYSVILLE GROUP INC** (tenpercentowner) — https://whiteintel.dev/entity/604a3103-17d7-58fc-9437-1a3c21085255

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NATIONWIDE MUTUAL INSURANCE CO**. Human view: https://whiteintel.dev/entity/ebd6efcd-4b75-5015-aa7b-b7d907058516 · Structured JSON: https://whiteintel.dev/api/public/dossier/ebd6efcd-4b75-5015-aa7b-b7d907058516._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._