---
title: "PORTNOY ADAM D. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a72bf3e5-c548-55b6-847a-8d1a8dc5e475
json: https://whiteintel.dev/api/public/dossier/a72bf3e5-c548-55b6-847a-8d1a8dc5e475
identifier: sec:0001273871
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PORTNOY ADAM D.

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001273871`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a72bf3e5-c548-55b6-847a-8d1a8dc5e475  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a72bf3e5-c548-55b6-847a-8d1a8dc5e475  

## Ownership & control

### Holdings / subsidiaries

- **RMR GROUP INC.** (officer) — https://whiteintel.dev/entity/eea7ec00-6246-5934-8001-c1eecc097f23
- **GOVERNMENT PROPERTIES INCOME TRUST** (director) — https://whiteintel.dev/entity/f51a55e5-2a20-5004-8bb0-d2208d9c9af6
- **Service Properties Trust** (director) — https://whiteintel.dev/entity/1800c7dc-ae4c-5bc9-96be-5ac4cef1791e
- **DIVERSIFIED HEALTHCARE TRUST** (director) — https://whiteintel.dev/entity/7a3569de-2caa-59f3-9114-6a655dd27b7b
- **Seven Hills Realty Trust** (tenpercentowner) — https://whiteintel.dev/entity/d18c5bfe-7d62-55db-a2b4-19e1308bfe1d
- **INDUSTRIAL LOGISTICS PROPERTIES TRUST** (director) — https://whiteintel.dev/entity/943aead5-683f-5081-a77f-73240b2af8e8
- **Seven Hills Realty Trust** (director) — https://whiteintel.dev/entity/d18c5bfe-7d62-55db-a2b4-19e1308bfe1d
- **RMR GROUP INC.** (officer) — https://whiteintel.dev/entity/eea7ec00-6246-5934-8001-c1eecc097f23
- **RMR GROUP INC.** (director) — https://whiteintel.dev/entity/eea7ec00-6246-5934-8001-c1eecc097f23
- **TRAVELCENTERS OF AMERICA INC. /MD/** (director) — https://whiteintel.dev/entity/b0733541-7657-5cda-9d42-de4cc5ab70d4
- **ALERISLIFE INC.** (director) — https://whiteintel.dev/entity/ec5ebc6b-4584-5036-9309-eb028b6e2522
- **TREMONT MORTGAGE TRUST** (tenpercentowner) — https://whiteintel.dev/entity/07fd1b75-d241-5b3c-a477-4cb970d0dfe7

…and **34** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) 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 **PORTNOY ADAM D.** — https://whiteintel.dev/entity/a72bf3e5-c548-55b6-847a-8d1a8dc5e475 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PORTNOY ADAM D.**. Human view: https://whiteintel.dev/entity/a72bf3e5-c548-55b6-847a-8d1a8dc5e475 · Structured JSON: https://whiteintel.dev/api/public/dossier/a72bf3e5-c548-55b6-847a-8d1a8dc5e475._

_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"._