---
title: "Boundless Bio, Inc. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/adcd4b25-680c-5d72-8d95-904e59ace4a0
json: https://whiteintel.dev/api/public/dossier/adcd4b25-680c-5d72-8d95-904e59ace4a0
identifier: sec:0001782303
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Boundless Bio, Inc.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001782303`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/adcd4b25-680c-5d72-8d95-904e59ace4a0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/adcd4b25-680c-5d72-8d95-904e59ace4a0  

## Ownership & control

### Owners / controllers

- **TANG KEVIN** (tenpercentowner) — https://whiteintel.dev/entity/80abbfc2-d5d8-5676-95a3-3e4b69c47d21
- **TANG CAPITAL MANAGEMENT LLC** (tenpercentowner) — https://whiteintel.dev/entity/bd0d3b74-e284-5be3-82a7-08bc162ca3ad
- **Burow Kristina** (tenpercentowner) — https://whiteintel.dev/entity/0f1abcbe-506e-5b0c-bb97-568da15ce841
- **GILLIS STEVEN** (tenpercentowner) — https://whiteintel.dev/entity/48b1470b-6cc8-554f-a9ed-de2b29ae4c64
- **ARCH VENTURE PARTNERS IX OVERAGE, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/7fc69aa9-f0db-5fea-912c-0e7b5f85cc60
- **RA Capital Healthcare Fund LP** (tenpercentowner) — https://whiteintel.dev/entity/1ef87f50-8834-5b13-90e0-d0c89201e433
- **Kolchinsky Peter** (tenpercentowner) — https://whiteintel.dev/entity/33b3d577-9112-5c40-8586-a27dae0c41d4
- **RA CAPITAL MANAGEMENT, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/8d389c12-372a-5782-93b3-6f36e07414df
- **WELLINGTON BIOMEDICAL INNOVATION MASTER INVESTORS (CAYMAN) I L.P.** (tenpercentowner) — https://whiteintel.dev/entity/48c8939e-22df-5a97-bb4f-a607fc5daf8b
- **Shah Rajeev M.** (tenpercentowner) — https://whiteintel.dev/entity/fe8d7e01-c2f7-55ac-b8ce-308630592b3b
- **ARCH Venture Partners X Overage, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/a404c587-bc7e-53e3-9568-8e061821cade
- **ARCH Venture Fund X Overage, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/698ec405-da60-5ecc-a406-a6af7249605c
- **ARCH VENTURE FUND IX OVERAGE, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/d02f94dd-c17d-535f-babe-a6a7aad75fc3
- **NELSEN ROBERT** (tenpercentowner) — https://whiteintel.dev/entity/eaa300c3-45d7-535f-9a87-678e025e82f1
- **BYBEE CLINTON** (tenpercentowner) — https://whiteintel.dev/entity/e1a5ed30-1d0e-514b-8bdb-ad7288e7513f
- **ARCH VENTURE FUND IX, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/72bb9a73-b860-56a8-8e36-8bb46b142158
- **ARCH VENTURE PARTNERS IX, LLC** (tenpercentowner) — https://whiteintel.dev/entity/d41c8ffe-3946-507e-88fa-6726adc44a61
- **ARCH VENTURE PARTNERS IX, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/7d739663-8dda-53fd-a0c5-14418f4f8f75
- **CRANDELL KEITH** (tenpercentowner) — https://whiteintel.dev/entity/0b31fd41-500a-5cb1-a77b-41f0d275e1d6
- **ARCH Venture Partners X, LLC** (tenpercentowner) — https://whiteintel.dev/entity/ab40fd36-95c2-5452-94c9-e0d287852bf9
- **RA Capital Nexus Fund II, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/d8139aed-5225-59fc-a20a-9e2a98eca337

### UBO chain (walk to the ultimate owner)

A **42-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key 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 **Boundless Bio, Inc.** — https://whiteintel.dev/entity/adcd4b25-680c-5d72-8d95-904e59ace4a0 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Boundless Bio, Inc.**. Human view: https://whiteintel.dev/entity/adcd4b25-680c-5d72-8d95-904e59ace4a0 · Structured JSON: https://whiteintel.dev/api/public/dossier/adcd4b25-680c-5d72-8d95-904e59ace4a0._

_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"._