---
title: "Duke William E. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0aeecd89-e47a-56b9-b4c3-181d7d208b2a
json: https://whiteintel.dev/api/public/dossier/0aeecd89-e47a-56b9-b4c3-181d7d208b2a
identifier: sec:0001636135
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Duke William E.

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001636135`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0aeecd89-e47a-56b9-b4c3-181d7d208b2a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0aeecd89-e47a-56b9-b4c3-181d7d208b2a  

## Ownership & control

### Holdings / subsidiaries

- **Invivyd, Inc.** (officer) — https://whiteintel.dev/entity/737557a9-64ec-5f42-9453-a9df6d7788e6
- **Invivyd, Inc.** (officer) — https://whiteintel.dev/entity/737557a9-64ec-5f42-9453-a9df6d7788e6
- **APEXIGEN, INC.** (officer) — https://whiteintel.dev/entity/0b7d3740-b0b6-5f94-8f2a-a7cd28038e3d
- **KALEIDO BIOSCIENCES, INC.** (officer) — https://whiteintel.dev/entity/4b90c9e5-9117-5de2-a9a2-2cd0e1c8a834
- **PULMATRIX, INC.** (officer) — https://whiteintel.dev/entity/50136411-1b79-51e5-96e5-fc66e5d6e3f8

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Duke William E.**. Human view: https://whiteintel.dev/entity/0aeecd89-e47a-56b9-b4c3-181d7d208b2a · Structured JSON: https://whiteintel.dev/api/public/dossier/0aeecd89-e47a-56b9-b4c3-181d7d208b2a._

_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"._