---
title: "COLUMBIA CAPITAL IV, LLC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b8a830c0-7d5a-54fa-b729-c0f069d7d84b
json: https://whiteintel.dev/api/public/dossier/b8a830c0-7d5a-54fa-b729-c0f069d7d84b
identifier: sec:0001545625
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# COLUMBIA CAPITAL IV, LLC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001545625`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b8a830c0-7d5a-54fa-b729-c0f069d7d84b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b8a830c0-7d5a-54fa-b729-c0f069d7d84b  

## Ownership & control

### Holdings / subsidiaries

- **NEXTNAV INC.** (tenpercentowner) — https://whiteintel.dev/entity/0dd67c5f-af65-5130-a4de-168bbe4f1f07
- **ZAYO GROUP HOLDINGS, INC.** (other) — https://whiteintel.dev/entity/0f556553-4647-5b13-96a9-bcfe890db658
- **ZAYO GROUP HOLDINGS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/0f556553-4647-5b13-96a9-bcfe890db658
- **MILLENNIAL MEDIA INC.** (tenpercentowner) — https://whiteintel.dev/entity/4c35c2cc-3b69-52df-b84f-2b7984e01d63

## 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 **COLUMBIA CAPITAL IV, LLC** — https://whiteintel.dev/entity/b8a830c0-7d5a-54fa-b729-c0f069d7d84b · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **COLUMBIA CAPITAL IV, LLC**. Human view: https://whiteintel.dev/entity/b8a830c0-7d5a-54fa-b729-c0f069d7d84b · Structured JSON: https://whiteintel.dev/api/public/dossier/b8a830c0-7d5a-54fa-b729-c0f069d7d84b._

_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"._