---
title: "COSTANTINI MARC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d19cc1ca-0052-59f4-97aa-1115014b9b3c
json: https://whiteintel.dev/api/public/dossier/d19cc1ca-0052-59f4-97aa-1115014b9b3c
identifier: sec:0001312695
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# COSTANTINI MARC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001312695`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d19cc1ca-0052-59f4-97aa-1115014b9b3c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d19cc1ca-0052-59f4-97aa-1115014b9b3c  

## Ownership & control

### Holdings / subsidiaries

- **DIAMOND HILL FINANCIAL TRENDS FUND, INC** (director) — https://whiteintel.dev/entity/8c56089a-8172-5971-bcc8-c9f34bacdf11
- **JOHN HANCOCK INVESTORS TRUST** (director) — https://whiteintel.dev/entity/771dc4c7-a371-5caa-a15c-71c72f8c33f5
- **JOHN HANCOCK TAX-ADVANTAGED DIVIDEND INCOME FUND** (director) — https://whiteintel.dev/entity/9b6379f1-d828-58c6-b419-476de30dd7a0
- **JOHN HANCOCK INCOME SECURITIES TRUST** (director) — https://whiteintel.dev/entity/63577334-63d2-5aa9-b58e-08025ec6549e
- **Corebridge Financial, Inc.** (director) — https://whiteintel.dev/entity/d4da6716-54f8-50d5-8842-18a66a93905c
- **Corebridge Financial, Inc.** (officer) — https://whiteintel.dev/entity/d4da6716-54f8-50d5-8842-18a66a93905c
- **JOHN HANCOCK PREMIUM DIVIDEND FUND** (director) — https://whiteintel.dev/entity/ee3bda5d-522a-550e-8e93-3723566e293f
- **JOHN HANCOCK FINANCIAL OPPORTUNITIES FUND** (director) — https://whiteintel.dev/entity/9649727b-a1ce-577b-a7f9-56be11bd7009
- **HANCOCK JOHN PATRIOT PREMIUM DIVIDEND FUND I** (director) — https://whiteintel.dev/entity/f2ba5a88-f0ba-52f4-a71c-3c5b73879626
- **HANCOCK JOHN PATRIOT GLOBAL DIVIDEND FUND** (director) — https://whiteintel.dev/entity/33507d33-c72e-55c5-b17a-7459437a4d2b
- **JOHN HANCOCK PREFERRED INCOME FUND II** (director) — https://whiteintel.dev/entity/041ed2e5-7337-5567-a2e7-14060355e87b
- **HANCOCK JOHN PATRIOT SELECT DIVIDEND TRUST** (director) — https://whiteintel.dev/entity/ef29a805-56cb-504b-9640-97856ffc6617

…and **3** 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 **COSTANTINI MARC** — https://whiteintel.dev/entity/d19cc1ca-0052-59f4-97aa-1115014b9b3c · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **COSTANTINI MARC**. Human view: https://whiteintel.dev/entity/d19cc1ca-0052-59f4-97aa-1115014b9b3c · Structured JSON: https://whiteintel.dev/api/public/dossier/d19cc1ca-0052-59f4-97aa-1115014b9b3c._

_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"._