---
title: "MARSHFIELD ADVISERS LLC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0b04693e-bcc6-5c3f-b6a8-707ad646fe4e
json: https://whiteintel.dev/api/public/dossier/0b04693e-bcc6-5c3f-b6a8-707ad646fe4e
identifier: sec:0001816221
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARSHFIELD ADVISERS LLC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001816221`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0b04693e-bcc6-5c3f-b6a8-707ad646fe4e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0b04693e-bcc6-5c3f-b6a8-707ad646fe4e  

## Ownership & control

### Holdings / subsidiaries

- **AKOUOS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/bb6adb1d-08b1-50ac-b661-f137cc05e729

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARSHFIELD ADVISERS LLC**. Human view: https://whiteintel.dev/entity/0b04693e-bcc6-5c3f-b6a8-707ad646fe4e · Structured JSON: https://whiteintel.dev/api/public/dossier/0b04693e-bcc6-5c3f-b6a8-707ad646fe4e._

_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"._