---
title: "Tectonic Therapeutic, Inc. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f4637bbf-8499-5a1e-807a-1208124b3d8d
json: https://whiteintel.dev/api/public/dossier/f4637bbf-8499-5a1e-807a-1208124b3d8d
identifier: sec:0001681087
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Tectonic Therapeutic, Inc.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001681087`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/f4637bbf-8499-5a1e-807a-1208124b3d8d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f4637bbf-8499-5a1e-807a-1208124b3d8d  

## Ownership & control

### Owners / controllers

- **SPRINGER TIMOTHY A** (10% owner) — https://whiteintel.dev/entity/aaf021ec-5960-5ae4-9a95-f9f20f1e66f3
- **SPRINGER TIMOTHY A** (tenpercentowner) — https://whiteintel.dev/entity/aaf021ec-5960-5ae4-9a95-f9f20f1e66f3
- **Leonard Braden Michael** (tenpercentowner) — https://whiteintel.dev/entity/37d775a4-04ca-5cc5-a85a-090484eb1088
- **ATLAS VENTURE ASSOCIATES X, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/76e91b3a-e1e9-5b7e-b4b1-40c82339bb6c
- **ATLAS VENTURE ASSOCIATES X, LLC** (tenpercentowner) — https://whiteintel.dev/entity/8c52dd12-23cf-5c4f-9373-bbf9f263fafb
- **ATLAS VENTURE FUND X, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/927a9cb3-167c-5117-a1e0-421861f5847f
- **CLARUS VENTURES III GP, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/8c6fa7b8-c49a-540a-9eb5-ee89bb1de086
- **CLARUS LIFESCIENCES III, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/159942fb-6eea-551f-b1ba-22cd2a2b0457
- **SCHWARZMAN STEPHEN A** (tenpercentowner) — https://whiteintel.dev/entity/c4e8979e-462a-5a14-b156-c21c05e52084
- **Blackstone Holdings I/II GP L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/bbef6002-bf77-5702-9876-8590e0b21bf4
- **BLACKSTONE HOLDINGS II L.P.** (tenpercentowner) — https://whiteintel.dev/entity/26bfae43-52a6-5b08-9aab-f763c6e7d7c9
- **SVLSF VI, LLC** (tenpercentowner) — https://whiteintel.dev/entity/7e4578fa-7689-514f-bf68-dca5c6d613db
- **SV LIFE SCIENCES FUND VI STRATEGIC PARTNERS, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/9a025c82-69f9-51b9-99f8-db5645a965ce
- **SV LIFE SCIENCES FUND VI, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/ebebaf54-33b1-5a04-946b-c6452320253b
- **SV LIFE SCIENCES FUND VI (GP), L.P.** (tenpercentowner) — https://whiteintel.dev/entity/a57169c4-ad93-553a-bb22-bc99604929a2
- **Blackstone Inc.** (tenpercentowner) — https://whiteintel.dev/entity/5ff5c874-40c8-5f5a-85f3-ba846f91fd02
- **BLACKSTONE CLARUS III L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/0c4f73c2-e488-52c9-ac86-3ea89ec7d220
- **Blackstone Group Management L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/cbc276a8-e8cb-586d-93a2-a20897a0fd02
- **CLARUS VENTURES III, LLC** (tenpercentowner) — https://whiteintel.dev/entity/a144d590-7c1b-570f-827e-03378cfe63c3

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

A **328-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 **Tectonic Therapeutic, Inc.** — https://whiteintel.dev/entity/f4637bbf-8499-5a1e-807a-1208124b3d8d · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Tectonic Therapeutic, Inc.**. Human view: https://whiteintel.dev/entity/f4637bbf-8499-5a1e-807a-1208124b3d8d · Structured JSON: https://whiteintel.dev/api/public/dossier/f4637bbf-8499-5a1e-807a-1208124b3d8d._

_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"._