What William Von Mueffling bought and sold in Q3 2025
In Q3 2025, William Von Mueffling (Cantillon Capital Management) opened 1 new position — including FWONK (0.7%), added to 2, trimmed 1, exited 1 (ICLR). The book stood at $18.16B across 38 positions, filed Feb 17, 2026.
1New2Added1Trimmed1Exited
New positions (1)
Added to (2)
Trimmed (1)
Exited (1)
William Von Mueffling's other filings
Changes vs the prior quarter's 13F, long US equity positions only (no shorts, options, or non-US listings). ADD/TRIM are share- count changes of ±20% or more. Sourced from SEC EDGAR. Not investment advice.