# CANTILLON CAPITAL MANAGEMENT LLC

CANTILLON CAPITAL MANAGEMENT LLC of NEW YORK, NY is an SEC-registered investment adviser.

## Registration

- CRD: 137895
- Type: SEC-registered investment adviser
- SEC file number: 801-65611
- Location: 499 PARK AVENUE, 9TH FLOOR, NEW YORK, NY, 10022
- Phone: 212-603-3300
- Latest filing: 2026-03-26
- Regulatory AUM: $22.8B
- Discretionary AUM: $22.8B
- Clients: 14
- Accounts: 18

## Business model

- Compensation: % of AUM, Performance
- Clients served: Pooled vehicles, Investment cos

## Officers, owners & control persons (7)

| Name | Role | Location |
| --- | --- | --- |
| [William Alexander Vonmueffling](https://search.stillhousedata.com/person/709092) | CEO; LIMITED PARTNER; SOLE SHAREHOLDER | — |
| [Kevin Shawn Aarons](https://search.stillhousedata.com/person/709093) | CHIEF OPERATING OFFICER & CHIEF COMPLIANCE OFFICER | — |
| [Thomas Ralph Ellis](https://search.stillhousedata.com/person/709094) | SENIOR ANALYST | — |
| [AARONS KEVIN SHAWN](https://search.stillhousedata.com/person/729892) | CHIEF FINANCIAL OFFICER; CHIEF FINANCIAL OFFICER & CHIEF COMPLIANCE OFFICER; CHIEF FINANCIAL OFFICER, DEPUTY CHIEF OPERATING OFFICER & CHIEF COMPLIANCE OFFICER (+1 more) | — |
| [VONMUEFFLING WILLIAM ALEXANDER](https://search.stillhousedata.com/person/752776) | CEO; LIMITED PARTNER; SOLE SHAREHOLDER | — |
| [OBRIEN JAMES ROBERT](https://search.stillhousedata.com/person/752777) | CHIEF OPERATING OFFICER; CHIEF OPERATING OFFICER AND CHIEF COMPLIANCE OFFICER; SENIOR EXECUTIVE, OPERATIONS | — |
| [ELLIS DAVID RALPH](https://search.stillhousedata.com/person/783777) | SENIOR ANALYST | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/137895/brochure
- Similar advisers: https://search.stillhousedata.com/firm/137895/similar
- Related entities: https://search.stillhousedata.com/firm/137895/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/137895

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.