---
title: "MADISON DEARBORN CAPITAL PARTNERS IV LP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a73b7258-1f7f-5029-a9bd-c5c5e19d6065
json: https://whiteintel.dev/api/public/dossier/a73b7258-1f7f-5029-a9bd-c5c5e19d6065
identifier: sec:0001122443
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MADISON DEARBORN CAPITAL PARTNERS IV LP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001122443`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a73b7258-1f7f-5029-a9bd-c5c5e19d6065  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a73b7258-1f7f-5029-a9bd-c5c5e19d6065  

## Ownership & control

### Holdings / subsidiaries

- **MAGELLAN MIDSTREAM HOLDINGS LP** (tenpercentowner) — https://whiteintel.dev/entity/c9f29f7b-6028-5a3c-a87b-b7deca7a9618
- **MAGELLAN MIDSTREAM HOLDINGS LP** (director) — https://whiteintel.dev/entity/c9f29f7b-6028-5a3c-a87b-b7deca7a9618
- **BOISE CASCADE Co** (tenpercentowner) — https://whiteintel.dev/entity/afa29f4c-9196-5af2-b0af-234c222f8fdf
- **BOISE CASCADE Co** (director) — https://whiteintel.dev/entity/afa29f4c-9196-5af2-b0af-234c222f8fdf
- **Cinemark Holdings, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/ab455c68-559f-540f-bfb2-dff8b89d4c31
- **T-Mobile US, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/2ebda358-dd03-5b52-ba9d-e8d31d25a36a
- **FIRST WIND HOLDINGS INC.** (tenpercentowner) — https://whiteintel.dev/entity/ddf3bfe4-2a9a-5a7f-ab8d-c1316acc7b37
- **ALDABRA 2 ACQUISITION CORP** (tenpercentowner) — https://whiteintel.dev/entity/96459e6e-b916-59ba-b0cd-01839d59d184
- **Great Lakes Dredge & Dock CORP** (tenpercentowner) — https://whiteintel.dev/entity/e6c5f895-44e8-5bd8-b4a1-33a992e1e0f1

## 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 **MADISON DEARBORN CAPITAL PARTNERS IV LP** — https://whiteintel.dev/entity/a73b7258-1f7f-5029-a9bd-c5c5e19d6065 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MADISON DEARBORN CAPITAL PARTNERS IV LP**. Human view: https://whiteintel.dev/entity/a73b7258-1f7f-5029-a9bd-c5c5e19d6065 · Structured JSON: https://whiteintel.dev/api/public/dossier/a73b7258-1f7f-5029-a9bd-c5c5e19d6065._

_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"._