---
title: "MASON DENNIS — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1cc8f033-8b35-5b73-b580-d1bfa28087d3
json: https://whiteintel.dev/api/public/dossier/1cc8f033-8b35-5b73-b580-d1bfa28087d3
identifier: sec:0001635212
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MASON DENNIS

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001635212`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1cc8f033-8b35-5b73-b580-d1bfa28087d3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1cc8f033-8b35-5b73-b580-d1bfa28087d3  

## Ownership & control

### Holdings / subsidiaries

- **MONTGOMERY STREET INCOME SECURITIES INC** (officer) — https://whiteintel.dev/entity/9abd3793-e3fe-5a99-addd-722e14f21737
- **CONTEXT FUNDAMENTAL VALUE LONG/SHORT FUND** (officer) — https://whiteintel.dev/entity/9e8f2730-3c7f-5583-b0b3-2a65834ed608

## 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 **MASON DENNIS** — https://whiteintel.dev/entity/1cc8f033-8b35-5b73-b580-d1bfa28087d3 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MASON DENNIS**. Human view: https://whiteintel.dev/entity/1cc8f033-8b35-5b73-b580-d1bfa28087d3 · Structured JSON: https://whiteintel.dev/api/public/dossier/1cc8f033-8b35-5b73-b580-d1bfa28087d3._

_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"._