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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Updated 2026-06-06 from SEC 13F data.
Live quotes available for 34 of 37 rows. Rows without a quote are marked unavailable.
| 1 | SPGI | S&P GLOBAL INC | 7.08% | Reduce -0.2% | 2,612,457 | $640.18M | $245.05 | |
| 2 | FIS | FIDELITY NATL INFORMATION SV | 5.45% | Reduce -0.2% | 4,054,507 | $493.19M | $121.64 | |
| 3 | AMT | AMERICAN TOWER CORP NEW | 5.01% | Reduce -0.1% | 2,079,661 | $452.85M | $217.75 | |
| 4 | ADI | ANALOG DEVICES INC | 4.90% | Reduce -0.2% | 4,942,329 | $443.08M | $89.65 | |
| 5 | V | VISA INC | 4.61% | Reduce -0.1% | 2,590,367 | $417.36M | $161.12 | |
| 6 | WTW | WILLIS TOWERS WATSON PLC LTD | 4.41% | Reduce -0.1% | 2,348,557 | $398.9M | $169.85 | |
| 7 | GOOGL | ALPHABET INC | 4.32% | Reduce -0.2% | 335,886 | $390.28M | $1161.95 | |
| 8 | ICE | INTERCONTINENTAL EXCHANGE IN | 3.96% | Reduce -0.2% | 4,430,840 | $357.79M | $80.75 | |
| 9 | ZTS | ZOETIS INC | 3.80% | Reduce -12.5% | 2,923,965 | $344.12M | $117.69 | |
| 10 | ECL | ECOLAB INC | 3.80% | Reduce -0.1% | 2,206,275 | $343.8M | $155.83 | |
| 11 | CME | CME GROUP INC | 3.51% | Reduce -0.2% | 1,834,409 | $317.19M | $172.91 | |
| 12 | A | AGILENT TECHNOLOGIES INC | 3.26% | Reduce -0.2% | 4,114,882 | $294.71M | $71.62 | |
| 13 | BDX | BECTON DICKINSON & CO | 3.06% | Reduce -0.1% | 1,203,889 | $276.62M | $229.77 | |
| 14 | AVGO | BROADCOM INC | 3.05% | Reduce -0.1% | 1,162,976 | $275.74M | $237.10 | |
| 15 | TMO | THERMO FISHER SCIENTIFIC INC | 3.04% | Reduce -0.1% | 970,525 | $275.24M | $283.60 | |
| 16 | EFX | EQUIFAX INC | 3.03% | Reduce -0.1% | 2,294,746 | $274.11M | $119.45 | |
| 17 | VRSN | VERISIGN INC | 2.95% | Reduce -0.1% | 1,483,779 | $267.21M | $180.09 | |
| 18 | CBRE | CBRE GROUP INC | 2.81% | Reduce -0.2% | 6,741,853 | $254.24M | $37.71 | |
| 19 | AON | AON PLC | 2.55% | Reduce -0.1% | 1,398,175 | $230.75M | $165.04 | |
| 20 | ADSK | AUTODESK INC | 2.22% | Reduce -0.1% | 1,287,118 | $200.92M | $156.10 | |
| 21 | GOOG | ALPHABET INC | 2.16% | Reduce -0.2% | 168,381 | $195.8M | $1162.81 | |
| 22 | FAST | FASTENAL CO | 2.13% | Reduce -0.2% | 6,165,645 | $192.68M | $31.25 | |
| 23 | SSNC | SS&C TECHNOLOGIES HLDGS INC | 2.00% | Reduce -0.1% | 4,131,536 | $181.04M | $43.82 | |
| 24 | TSM | TAIWAN SEMICONDUCTOR MFG LTD | 2.00% | Reduce -0.1% | 3,784,974 | $180.88M | $47.79 | |
| 25 | META | FACEBOOK INC | 1.89% | Reduce -0.3% | 1,025,022 | $170.97M | $166.80 | |
| 26 | TNET | TRINET GROUP INC | 1.68% | Reduce -0.3% | 4,028,969 | $151.73M | No quote | No quote |
| 27 | BC | BRUNSWICK CORP | 1.47% | Add +9.8% | 3,761,637 | $133.05M | $35.37 | |
| 28 | MCO | MOODYS CORP | 1.39% | Reduce -0.3% | 595,104 | $125.86M | $211.50 | |
| 29 | ENTG | ENTEGRIS INC | 1.31% | Reduce -0.3% | 2,643,362 | $118.34M | $44.77 | |
| 30 | AMAT | APPLIED MATLS INC | 1.24% | New | 2,439,237 | $111.77M | $45.82 | |
| 31 | IBKR | INTERACTIVE BROKERS GROUP IN | 1.19% | Reduce -0.3% | 2,495,290 | $107.72M | $43.17 | |
| 32 | MSFT | MICROSOFT CORP | 1.16% | New | 667,460 | $105.27M | $157.71 | |
| 33 | AWI | ARMSTRONG WORLD INDS INC | 1.11% | Reduce -0.1% | 1,266,752 | $100.61M | $79.42 | |
| 34 | PRI | PRIMERICA INC | 0.97% | Add +10.2% | 988,313 | $87.45M | $88.48 | |
| 35 | CACC | CREDIT ACCEP CORP MICH | 0.82% | Reduce -0.4% | 289,228 | $73.95M | $255.69 | |
| 36 | GRA | GRACE W R & CO DEL NEW | 0.65% | New | 1,663,100 | $59.21M | No quote | No quote |
| 37 | ST | SENSATA TECHNOLOGIES HLDNG P | - | Sold | 0 | $0 | No quote | No quote |