---
title: "Fathom Holdings Inc. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b8b7730b-ca1f-57e3-8eb3-3f0e18eacd0b
json: https://whiteintel.dev/api/public/dossier/b8b7730b-ca1f-57e3-8eb3-3f0e18eacd0b
identifier: sec:0001753162
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Fathom Holdings Inc.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001753162`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/b8b7730b-ca1f-57e3-8eb3-3f0e18eacd0b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b8b7730b-ca1f-57e3-8eb3-3f0e18eacd0b  

## Ownership & control

### Owners / controllers

- **SIEGEL MARK S** (10% owner) — https://whiteintel.dev/entity/96d5d4a5-e6eb-5dde-954a-eb934a2fa62b
- **REMY CAPITAL PARTNERS III L P** (10% owner) — https://whiteintel.dev/entity/d2f878d6-cbe9-5c3c-a1b2-d22e7bbabc41
- **ReMY Holdings, Inc.** (10% owner) — https://whiteintel.dev/entity/eb4b79f9-701b-516b-9807-f2560575c334
- **Prometheus Foundation** (10% owner) — https://whiteintel.dev/entity/0a1c17b0-1b6c-595d-a8e5-50d379e0f031
- **HARLEY JOSHUA** (tenpercentowner) — https://whiteintel.dev/entity/b389f7b8-184e-5803-ba8a-401e009894db
- **ReMY Holdings, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/eb4b79f9-701b-516b-9807-f2560575c334
- **SIEGEL MARK S** (tenpercentowner) — https://whiteintel.dev/entity/96d5d4a5-e6eb-5dde-954a-eb934a2fa62b
- **REMY CAPITAL PARTNERS III L P** (tenpercentowner) — https://whiteintel.dev/entity/d2f878d6-cbe9-5c3c-a1b2-d22e7bbabc41
- **Prometheus Foundation** (tenpercentowner) — https://whiteintel.dev/entity/0a1c17b0-1b6c-595d-a8e5-50d379e0f031
- **SAMPSON GLENN A.** (tenpercentowner) — https://whiteintel.dev/entity/2f76eaca-0b88-52a4-be21-c3d6c921bba1

### UBO chain (walk to the ultimate owner)

A **33-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **Fathom Holdings Inc.** — https://whiteintel.dev/entity/b8b7730b-ca1f-57e3-8eb3-3f0e18eacd0b · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Fathom Holdings Inc.**. Human view: https://whiteintel.dev/entity/b8b7730b-ca1f-57e3-8eb3-3f0e18eacd0b · Structured JSON: https://whiteintel.dev/api/public/dossier/b8b7730b-ca1f-57e3-8eb3-3f0e18eacd0b._

_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"._