William Von Mueffling - Cantillon Capital Management

As of Q2 2026, William Von Mueffling reported 27 long-equity positions worth $665.11M in aggregate.

Copy-investor backtest

Latest quarter: -1.15%
1-year: +7.19%
3-year: +60.66%
5-year: +50.59%
3-year vs S&P 500: -3.00%
5-year vs S&P 500: -15.58%
5-year top 5: +109.94%

Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. The vs S&P 500 figures subtract SPY over that manager's own rebalance dates, so both sides cover the same days; both are price return, excluding dividends. Method & limitations.

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Filing period

Updated 2026-06-06 from SEC 13F data.

Live quotes available for 32 of 35 rows. Rows without a quote are marked unavailable.


1	SPGI	S&P GLOBAL INC	5.95%	Add +0.8%	2,900,459	$492.9M	$169.94	No quote
2	ADI	ANALOG DEVICES INC	5.41%	Add +0.7%	5,220,741	$448.1M	$85.83	No quote
3	FIS	FIDELITY NATL INFORMATION SV	5.30%	Add +0.7%	4,283,444	$439.27M	$102.55	No quote
4	WTW	WILLIS TOWERS WATSON PUB LTD	4.54%	Add +0.7%	2,474,276	$375.74M	$151.86	No quote
5	GOOGL	ALPHABET INC	4.47%	Add +0.8%	354,746	$370.7M	$1044.96	No quote
6	CME	CME GROUP INC	4.40%	Add +0.7%	1,936,162	$364.23M	$188.12	No quote
7	V	VISA INC	4.35%	Add +0.7%	2,733,255	$360.63M	$131.94	No quote
8	ICE	INTERCONTINENTAL EXCHANGE IN	4.26%	Add +0.7%	4,682,893	$352.76M	$75.33	No quote
9	AMT	AMERICAN TOWER CORP NEW	4.18%	Add +0.7%	2,190,356	$346.49M	$158.19	No quote
10	ECL	ECOLAB INC	4.15%	Add +0.8%	2,331,680	$343.57M	$147.35	No quote
11	ZTS	ZOETIS INC	3.93%	Add +0.7%	3,802,421	$325.26M	$85.54	No quote
12	CBRE	CBRE GROUP INC	3.44%	Add +0.7%	7,114,471	$284.86M	$40.04	No quote
13	A	AGILENT TECHNOLOGIES INC	2.90%	Add +0.7%	3,557,589	$239.99M	$67.46	No quote
14	BDX	BECTON DICKINSON & CO	2.86%	Add +0.8%	1,050,579	$236.72M	$225.32	No quote
15	AVGO	BROADCOM INC	2.81%	Add +0.9%	916,505	$233.05M	$254.28	No quote
16	VRSN	VERISIGN INC	2.80%	Add +41.3%	1,562,701	$231.73M	$148.29	No quote
17	TMO	THERMO FISHER SCIENTIFIC INC	2.77%	Add +91.3%	1,024,930	$229.37M	$223.79	No quote
18	EFX	EQUIFAX INC	2.72%	Add +0.7%	2,421,681	$225.53M	$93.13	No quote
19	GOOG	ALPHABET INC	2.58%	Add +0.7%	206,403	$213.75M	$1035.61	No quote
20	ST	SENSATA TECHNOLOGIES HLDNG P	2.47%	Add +0.6%	4,557,513	$204.36M	$44.84	No quote
21	INTC	INTEL CORP	2.37%	Add +0.8%	4,190,856	$196.68M	$46.93	No quote
22	AON	AON PLC	2.32%	Add +0.8%	1,320,448	$191.94M	$145.36	No quote
23	TNET	TRINET GROUP INC	2.16%	Add +0.7%	4,260,116	$178.71M	No quote	No quote
24	FAST	FASTENAL CO	2.05%	Add +8.1%	3,241,382	$169.49M	$52.29	No quote
25	SSNC	SS&C TECHNOLOGIES HLDGS INC	1.94%	Add +37.1%	3,561,949	$160.68M	$45.11	No quote
26	TSM	TAIWAN SEMICONDUCTOR MFG LTD	1.78%	Add +0.8%	3,992,119	$147.35M	$36.91	No quote
27	IBKR	INTERACTIVE BROKERS GROUP IN	1.74%	Add +0.9%	2,638,920	$144.22M	$54.65	No quote
28	META	FACEBOOK INC	1.71%	Add +0.7%	1,082,986	$141.97M	$131.09	No quote
29	BIDU	BAIDU INC	1.64%	Reduce -44.3%	855,743	$135.72M	$158.60	No quote
30	CMPR	CIMPRESS N V	1.50%	Add +0.7%	1,200,720	$124.18M	No quote	No quote
31	CACC	CREDIT ACCEP CORP MICH	1.41%	Add +1.0%	306,643	$117.06M	$381.76	No quote
32	PRI	PRIMERICA INC	1.11%	Add +0.8%	944,514	$92.29M	$97.71	No quote
33	MCO	MOODYS CORP	1.06%	New	628,662	$88.04M	$140.04	No quote
34	AWI	ARMSTRONG WORLD INDS INC NEW	0.94%	Add +25.4%	1,342,551	$78.15M	$58.21	No quote
35	SERV	SERVICEMASTER GLOBAL HLDGS I	-	Sold	0	$0	No quote	No quote