Andreas Waldburg-Wolfegg, portfolio manager and analyst at Columbia Wanger Asset Management, is leaving the firm on September 30 2017.
Co-manager Stephen Kusmierczak will take over sole portfolio manager responsibilities for the $ 66.3 million Columbia Acorn European fund and the $115 million Columbia Acorn International Select fund, according to a Securities and Exchange Commission filing.
A spokesperson from Columbia Threadneedle, which owns Columbia Wanger Asset Management, confirmed both changes but declined to comment further.
Waldburg-Wolfegg began his investment career in 1993. He joined Columbia Wanger Asset Management in 2002 and is a member of the international equity team at Columbia Wanger.
Kusmierczak began his investment career in 1999. He joined Columbia Wanger in 2001 and is also a member of the international equity team at the firm.
The Columbia Acorn European fund, which invests in small and mid-cap European companies, has returned 13.6% over three years and ranks 4th out of the 20 funds tracked by Citywire in the European region category.
The Columbia Acorn International Select fund invests in mid- to large-cap companies based in developed markets outside the US. It has returned 5.2% over three years and ranks 81st out of the 108 funds tracked by Citywire in the international multi-cap growth category.
Kusmierczak also co-manages with Louis J. Mendes and Satoshi Matsunaga the $103.4 million Columbia Acorn Emerging Markets fund, which has underperfomed the sector average by returning -10.7% over three years.