William Von Mueffling WV

William Von Mueffling

Cantillon Capital Management
Concentrated global quality

Founder of Cantillon Capital Management. Concentrated global long-only book focused on high-quality businesses with durable moats.

$665M
Portfolio Value
27
Positions
2026-06-30 ↗
SEC 13F Filing
38
Changes This Q
Portfolio Map
Sized by portfolio weight · colored by quarter-over-quarter change · click ticker to view analysis
New position Increased Reduced Sold / Closed Unchanged CALLBullish options bet PUTBearish options bet
Sector Allocation
% of portfolio value by sector · current filing only
Other / Unclassified 97.46% Healthcare 2.53%
Full Portfolio · 2026-06-30
27 positions — click any ticker to open its analysis page
Sort by
# Ticker Company Type Value Price Since Filed % Portfolio Δ % Shares Status
Conviction Moves
Largest portfolio-weight changes this quarter · bar length = change in % of portfolio
New / Increased Reduced Closed
Quarter-over-Quarter Changes
2026-03-31 → 2026-06-30 · 38 positions moved
Sort by
Action Ticker Company Shares Δ Value Wt. Δ Portfolio %