---
title: "AVRUCH STEVEN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3430bf32-a1af-574c-9dbd-8bb6d93a402a
json: https://whiteintel.dev/api/public/dossier/3430bf32-a1af-574c-9dbd-8bb6d93a402a
identifier: sec:0001762236
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AVRUCH STEVEN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001762236`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3430bf32-a1af-574c-9dbd-8bb6d93a402a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3430bf32-a1af-574c-9dbd-8bb6d93a402a  

## Ownership & control

### Holdings / subsidiaries

- **Tectonic Therapeutic, Inc.** (officer) — https://whiteintel.dev/entity/f4637bbf-8499-5a1e-807a-1208124b3d8d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AVRUCH STEVEN**. Human view: https://whiteintel.dev/entity/3430bf32-a1af-574c-9dbd-8bb6d93a402a · Structured JSON: https://whiteintel.dev/api/public/dossier/3430bf32-a1af-574c-9dbd-8bb6d93a402a._

_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"._