---
title: "Booth Bruce — Ownership Dossier"
canonical: https://whiteintel.dev/entity/72081ef9-11ab-52c6-9234-7b3c4674cef3
json: https://whiteintel.dev/api/public/dossier/72081ef9-11ab-52c6-9234-7b3c4674cef3
identifier: sec:0001451612
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Booth Bruce

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001451612`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/72081ef9-11ab-52c6-9234-7b3c4674cef3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/72081ef9-11ab-52c6-9234-7b3c4674cef3  

## Ownership & control

### Holdings / subsidiaries

- **Vigil Neuroscience, Inc.** (director) — https://whiteintel.dev/entity/dd4bafe3-c407-5c5a-9484-16d939ab9a60
- **Sionna Therapeutics, Inc.** (director) — https://whiteintel.dev/entity/36003c1e-2a7d-5ea2-a95f-e01c345a874c
- **Sionna Therapeutics, Inc.** (director) — https://whiteintel.dev/entity/36003c1e-2a7d-5ea2-a95f-e01c345a874c
- **Sionna Therapeutics, Inc.** (director) — https://whiteintel.dev/entity/36003c1e-2a7d-5ea2-a95f-e01c345a874c
- **Kymera Therapeutics, Inc.** (director) — https://whiteintel.dev/entity/ee121c9c-c882-5afe-93fb-7abe6b4ca8d7
- **Vigil Neuroscience, Inc.** (director) — https://whiteintel.dev/entity/dd4bafe3-c407-5c5a-9484-16d939ab9a60
- **Tectonic Therapeutic, Inc.** (director) — https://whiteintel.dev/entity/f4637bbf-8499-5a1e-807a-1208124b3d8d
- **Dianthus Therapeutics, Inc. /DE/** (director) — https://whiteintel.dev/entity/6a3adac7-6100-5ac2-87d8-2e2620ec6a23
- **Cogent Biosciences, Inc.** (director) — https://whiteintel.dev/entity/be57c171-0255-5e6d-a7f8-98e3ec1a701f
- **Viridian Therapeutics, Inc.\DE** (director) — https://whiteintel.dev/entity/15a737c3-567b-5102-941a-d6bdd1d83278
- **Larimar Therapeutics, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/72e3523f-efab-5ee4-b03e-4139df749767
- **Larimar Therapeutics, Inc.** (director) — https://whiteintel.dev/entity/72e3523f-efab-5ee4-b03e-4139df749767

## 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 **Booth Bruce** — https://whiteintel.dev/entity/72081ef9-11ab-52c6-9234-7b3c4674cef3 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Booth Bruce**. Human view: https://whiteintel.dev/entity/72081ef9-11ab-52c6-9234-7b3c4674cef3 · Structured JSON: https://whiteintel.dev/api/public/dossier/72081ef9-11ab-52c6-9234-7b3c4674cef3._

_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"._