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Casteleyn Partnership

Kevin Casteleijn publishes company-specific earnings updates and valuation work on international equities such as Markel and Basic-Fit.

https://kevincasteleijn.substack.com/

Mentions8
Posts8
Latest post24 Aug 2026
Dino Polska S.A.Dino Polska H1’2026 Update-24 Aug 2026
Adyen N.V.Adyen H1 2026 Update-18 Aug 2026
Topicus.com Inc.H1 2026 Topicus.com Inc. update ($TOI)-6 Aug 2026
Uber Technologies, Inc.Uber ($Uber) Q2 2026 Update, We've Taken a Position-5 Aug 2026
Markel Group Inc.Markel ($MKL) 2026 Q2 update-31 Jul 2026
Basic-Fit N.V.Basic-Fit ($BFIT) H1 2026 Update-29 Jul 2026
Basic-Fit N.V.Basic-Fit ($BFIT) Investment Thesis (Part 2)-22 May 2026
Basic-Fit N.V.Basic-Fit Investment Thesis (Part 1)-14 May 2026