---
title: "SUNESIS PHARMACEUTICALS INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/febc2d34-a6fa-5886-8edb-3883a966f115
json: https://whiteintel.dev/api/public/dossier/febc2d34-a6fa-5886-8edb-3883a966f115
identifier: sec:0001061027
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SUNESIS PHARMACEUTICALS INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001061027`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/febc2d34-a6fa-5886-8edb-3883a966f115  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/febc2d34-a6fa-5886-8edb-3883a966f115  

## Ownership & control

### Owners / controllers

- **WARBURG PINCUS & CO** (tenpercentowner) — https://whiteintel.dev/entity/f08379d4-1dd4-5fee-b50d-0869039609d4
- **WARBURG PINCUS EQUITY PARTNERS LP** (tenpercentowner) — https://whiteintel.dev/entity/b2089535-3bea-524f-a200-172841278da7
- **BIOGEN IDEC MA INC** (tenpercentowner) — https://whiteintel.dev/entity/98ab7d51-d6c1-5c8c-884f-9184070713ad
- **LEFF JONATHAN S** (tenpercentowner) — https://whiteintel.dev/entity/74870730-be49-5b01-8163-eb98c10bdaab
- **WARBURG PINCUS PARTNERS LLC** (tenpercentowner) — https://whiteintel.dev/entity/74ec742a-12ad-57e1-909b-2851c69103a7
- **WARBURG PINCUS LLC** (tenpercentowner) — https://whiteintel.dev/entity/74390d78-c139-52a4-bfae-eff6cc250df6
- **BIOGEN INC.** (tenpercentowner) — https://whiteintel.dev/entity/152d5198-a9ef-588d-b005-20e031a47893
- **AMOON 2 FUND LIMITED PARTNERSHIP** (tenpercentowner) — https://whiteintel.dev/entity/d8e6ba0f-7363-5a52-9b16-180f2b9f81e7
- **ROSHWALB GUR** (tenpercentowner) — https://whiteintel.dev/entity/448f9b40-f0e5-5068-91d7-3dc80afc2083
- **SCHINDEL YAIR CHAIM** (tenpercentowner) — https://whiteintel.dev/entity/c315eeab-6f72-5c06-ab6f-7c77719eac22
- **ELMS STEVE** (tenpercentowner) — https://whiteintel.dev/entity/0d417a7f-8f62-5d09-822c-922f7d48fa00
- **AISLING CAPITAL PARTNERS IV, LP** (tenpercentowner) — https://whiteintel.dev/entity/ca07d58e-3fa6-57b6-b6cd-a8540d3a8bb8
- **SCHIFF ANDREW N** (tenpercentowner) — https://whiteintel.dev/entity/0710edf9-91cf-5db9-b271-59607b6ff07a
- **AISLING CAPITAL PARTNERS IV LLC** (tenpercentowner) — https://whiteintel.dev/entity/42673292-49ae-54bd-b8f4-39914cb89bfe
- **AISLING CAPITAL IV, LP** (tenpercentowner) — https://whiteintel.dev/entity/f362f843-0c16-5d2a-8c4a-b0df1c394fc8
- **MPM ONCOLOGY IMPACT MANAGEMENT GP LLC** (tenpercentowner) — https://whiteintel.dev/entity/93475f72-06eb-56f1-93d8-5e97ac0d3306
- **UBS ONCOLOGY IMPACT FUND L.P.** (tenpercentowner) — https://whiteintel.dev/entity/4a6a304a-ea44-5174-bbeb-71a03fbf9ac2
- **ONCOLOGY IMPACT FUND (CAYMAN) MANAGEMENT L.P.** (tenpercentowner) — https://whiteintel.dev/entity/3a8e252b-5337-5cae-930c-c7ad7f0c7a8c
- **BIOIMPACT CAPITAL LLC** (tenpercentowner) — https://whiteintel.dev/entity/612278c2-3057-5c19-8fb2-9d831fd505a6
- **BAY CITY CAPITAL FUND V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/78059801-9e5f-5889-ad82-ed5c8fefebdf
- **BAY CITY CAPITAL MANAGEMENT V LLC** (tenpercentowner) — https://whiteintel.dev/entity/021a2b39-7514-5308-b7ee-b3444d98395a
- **BAY CITY CAPITAL FUND LLC** (tenpercentowner) — https://whiteintel.dev/entity/7b09af4e-19f4-524e-a475-a1e127780ae2
- **BAY CITY CAPITAL FUND V CO-INVESTMENT FUND LP** (tenpercentowner) — https://whiteintel.dev/entity/bcf525e3-7f87-513b-9f3b-2e898b757f8e
- **BASKETT FOREST** (tenpercentowner) — https://whiteintel.dev/entity/82f90b88-c233-5f52-bc76-4342aaeed466
- **NEW ENTERPRISE ASSOCIATES 12, LIMITED PARTNERSHIP** (tenpercentowner) — https://whiteintel.dev/entity/59914b1c-d76e-5683-827c-7399116cac92
- **KOLLURI KRISHNA KITTU** (tenpercentowner) — https://whiteintel.dev/entity/8603826a-9cbf-5968-99e8-cdc9baecafd9
- **DRANT RYAN D** (tenpercentowner) — https://whiteintel.dev/entity/41d4948a-dd50-56b9-a16f-293909ea1b1b
- **NEA PARTNERS 12, LIMITED PARTNERSHIP** (tenpercentowner) — https://whiteintel.dev/entity/1415dbe3-12bc-5816-9d9d-0b7afd2d46b8
- **BARRETT M JAMES** (tenpercentowner) — https://whiteintel.dev/entity/0efbda00-b21d-5987-b1ef-8271c841042a
- **NEA 12 GP, LLC** (tenpercentowner) — https://whiteintel.dev/entity/7e81012f-afbf-54f5-a0cf-71d4136745c9
- **BARRIS PETER J** (tenpercentowner) — https://whiteintel.dev/entity/5371e54f-a6f6-5045-9fad-153ba8905693
- **GROWTH EQUITY OPPORTUNITIES FUND, LLC** (tenpercentowner) — https://whiteintel.dev/entity/7f22ebee-bd86-5f75-9785-81fead1a0428
- **SANDELL SCOTT D** (tenpercentowner) — https://whiteintel.dev/entity/f5d27853-015c-5d89-b453-67c52f1385ee
- **KERINS PATRICK J** (tenpercentowner) — https://whiteintel.dev/entity/e5bc5e6b-9ceb-51b7-9e27-6ce1b5425148
- **MISFELDT DAYTON** (tenpercentowner) — https://whiteintel.dev/entity/89605e28-75c5-5827-adff-13a3b28d1d39
- **NEWHALL CHARLES W III** (tenpercentowner) — https://whiteintel.dev/entity/9d8c6b41-1b17-5384-b6d0-0e788670a438
- **KRAMLICH C RICHARD** (tenpercentowner) — https://whiteintel.dev/entity/e640de82-9337-5514-aafe-44bdc3ddb3af
- **PERRY MARK W** (tenpercentowner) — https://whiteintel.dev/entity/e66aeb28-5fdd-5785-9acd-834299ee91c6
- **HURWITZ EDWARD** (tenpercentowner) — https://whiteintel.dev/entity/fa29c91d-64a2-5878-adf0-a57e2a71ae2c
- **SEMON DOMINIQUE** (tenpercentowner) — https://whiteintel.dev/entity/8a607f53-55fd-57f9-840b-f83b3882c2b5
- **TRAINOR III EUGENE A** (tenpercentowner) — https://whiteintel.dev/entity/b45f5eaa-5ac9-5726-a3f3-785a87cd7d9b
- **DELEAGE JEAN** (tenpercentowner) — https://whiteintel.dev/entity/50c28479-c852-555a-92ed-54ed2a0285e2
- **ALTA  BIOPHARMA PARTNERS III GMBH & CO BETEILIGUNGS KG** (tenpercentowner) — https://whiteintel.dev/entity/960dfcd5-c6a9-508f-848b-2a2d0274aed8
- **LINEHAN CHARLES M** (tenpercentowner) — https://whiteintel.dev/entity/b8eb25ee-ebc0-5e13-9bb9-bae4dcfba637
- **PENHOET EDWARD** (tenpercentowner) — https://whiteintel.dev/entity/152f9fc1-7d9d-55b3-b015-54bdff85b8b6
- **ALTA BIOPHARMA MANAGEMENT III LLC** (tenpercentowner) — https://whiteintel.dev/entity/828b64cd-fe17-5271-8f77-6ee08b1b68a6
- **ALTA EMBARCADERO BIOPHARMA PARTNERS III LLC** (tenpercentowner) — https://whiteintel.dev/entity/020dabf0-840b-5471-a965-f64d7b842316
- **ALTA BIOPHARMA PARTNERS III LP** (tenpercentowner) — https://whiteintel.dev/entity/dca7a994-d302-51c1-83e9-3334efb72bd1
- **CHAMPSI FARAH** (tenpercentowner) — https://whiteintel.dev/entity/e3628162-e53b-50cf-b8ee-70e6af59ddad
- **MARDUEL ALIX** (tenpercentowner) — https://whiteintel.dev/entity/1305ad5e-cab1-5827-9c2e-0bdc6b34ae2f

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

A **211-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 **SUNESIS PHARMACEUTICALS INC** — https://whiteintel.dev/entity/febc2d34-a6fa-5886-8edb-3883a966f115 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SUNESIS PHARMACEUTICALS INC**. Human view: https://whiteintel.dev/entity/febc2d34-a6fa-5886-8edb-3883a966f115 · Structured JSON: https://whiteintel.dev/api/public/dossier/febc2d34-a6fa-5886-8edb-3883a966f115._

_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"._