Cantillon Capital Management Llc
- Regulatory AUM
- $22.8B
- Discretionary
- $22.8B
- Clients
- 2
- Avg AUM / client
- $11.4B
- Accounts
- 18
- Employees
- 14
AUM over time
Annual snapshots from Form ADV filings · as of Mar 26, 2026
Investments (13F portfolio — 38 positions, $15,050,978,966)
13F period Mar 31, 2026| # | Issuer | Class | Value | Shares | % of 13F | % of AUM |
|---|---|---|---|---|---|---|
| 1 | Broadcom Inc | COM | $1,255,373,179 | 4,056,002 | 8.34% | 5.51% |
| 2 | Alphabet Inc | CAP STK CL A | $1,068,302,941 | 3,715,061 | 7.1% | 4.69% |
| 3 | Taiwan Semiconductor Manufac | SPONSORED ADS | $842,695,561 | 2,493,551 | 5.6% | 3.7% |
| 4 | Interactive Brokers Group In | COM CL A | $754,261,239 | 11,245,881 | 5.01% | 3.31% |
| 5 | S&P Global Inc | COM | $658,129,858 | 1,547,303 | 4.37% | 2.89% |
| 6 | Analog Devices Inc | COM | $608,121,747 | 1,911,491 | 4.04% | 2.67% |
| 7 | Cbre Group Inc | CL A | $532,625,469 | 3,931,976 | 3.54% | 2.34% |
| 8 | Applied Matls Inc | COM | $520,150,719 | 1,521,843 | 3.46% | 2.28% |
| 9 | Visa Inc | COM CL A | $519,296,074 | 1,718,158 | 3.45% | 2.28% |
| 10 | Intercontinental Exchange In | COM | $462,710,525 | 2,941,954 | 3.07% | 2.03% |
| 11 | Blackrock Inc | COM | $435,925,833 | 453,282 | 2.9% | 1.91% |
| 12 | Microsoft Corp | COM | $411,727,135 | 1,112,265 | 2.74% | 1.81% |
| 13 | Cme Group Inc | COM | $409,457,291 | 1,386,346 | 2.72% | 1.8% |
| 14 | Ferguson Enterprises Inc | COMMON STOCK NEW | $408,042,185 | 1,749,302 | 2.71% | 1.79% |
| 15 | Fastenal Co | COM | $378,933,210 | 8,166,664 | 2.52% | 1.66% |
| 16 | Thermo Fisher Scientific Inc | COM | $378,329,658 | 769,698 | 2.51% | 1.66% |
| 17 | Live Nation Entertainment In | COM | $375,946,148 | 2,465,059 | 2.5% | 1.65% |
| 18 | Uber Technologies Inc | COM | $373,594,638 | 5,193,864 | 2.48% | 1.64% |
| 19 | Aon Plc | SHS CL A | $353,629,376 | 1,095,574 | 2.35% | 1.55% |
| 20 | Canadian Pacific Kansas City | COM | $341,733,258 | 4,344,435 | 2.27% | 1.5% |
| 21 | Equifax Inc | COM | $322,573,617 | 1,791,379 | 2.14% | 1.42% |
| 22 | Agilent Technologies Inc | COM | $312,969,590 | 2,745,829 | 2.08% | 1.37% |
| 23 | Iqvia Hldgs Inc | COM | $291,776,204 | 1,710,896 | 1.94% | 1.28% |
| 24 | Yum Brands Inc | COM | $281,698,042 | 1,811,796 | 1.87% | 1.24% |
| 25 | Tradeweb Mkts Inc | CL A | $278,506,044 | 2,367,041 | 1.85% | 1.22% |
Top 25 of 38 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 2 | $14.0B | 61.6% |
| Pension and profit sharing plans | Fewer than 5 clients | $1.1B | 5.02% |
| Charitable organizations | Fewer than 5 clients | $2.1B | 9.43% |
| State or municipal government entities | Fewer than 5 clients | $4.3B | 18.7% |
| Insurance companies | Fewer than 5 clients | $255M | 1.12% |
| Sovereign wealth funds and foreign official institutions | Fewer than 5 clients | $458M | 2.01% |
| Corporations and other businesses | Fewer than 5 clients | $482M | 2.12% |
Private funds (1)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $5.5B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Cantillon Global Equity Lp | Other Private Fund | Delaware | $5.5B | 192 |
Retirement plan clients
Plans that reported this firm as an investment service provider on Form 5500 Schedule C.
| Plan | Location | Plan year |
|---|---|---|
| Firstenergy Corp. Master Pension Plan Firstenergy Corp. | 2024 | |
| Jpmorgan Chase Retirement Plan Jpmorgan Chase Bank, National Association | 2024 |
People (3)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Vonmueffling, William, Alexander | Ceo | Feb 2003 (24y) | 75% or more of Cantillon Management Lp (indirect) | |
| Ellis, Thomas, Ralph | Senior Analyst | Oct 2008 (18y) | Less than 5% | |
| Aarons, Kevin, Shawn | Chief Operating Officer & Chief Compliance Officer | Jul 2010 (16y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Cantillon Mangement Lp | Sole Member | Feb 2003 | A | 75% or more |
| Cantillon Inc. | General Partner | Mar 2003 | B | GP / trustee / elected manager of Cantillon Management Lp (indirect) |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Private funds (1, $5.5B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Cantillon Global Equity Lp | Other Private Fund | $5.5B | $10.0M | 192 |
From Form ADV Section 7.B private fund reporting.
Retirement plans served (2)
| Plan | Sponsor | Participants | Plan assets | As of |
|---|---|---|---|---|
| Firstenergy Corp. Master Pension Plan | Firstenergy Corp. | 12,279 | $6.5B | 01/01/2024 |
| Jpmorgan Chase Retirement Plan | Jpmorgan Chase Bank, National Association | 78,270 | $16.1B | 01/01/2024 |
From Form 5500 service-provider disclosures.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/26/2026 | 1.27 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Performance-based fees
Services
- • Portfolio management for pooled investment vehicles
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- State Street $4.2B (18% of AUM) Mar 2026
- Northern Trust $2.0B (9% of AUM) Mar 2026
- BNY Mellon $1.6B (7% of AUM) Mar 2026
- J.P. Morgan $1.1B (6% of AUM) Mar 2021
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 26, 2026.
View current Form ADV (SEC/IAPD) ↗