A. Ahlström

Overview

A. Ahlström Oy (formerly Ahlström Capital Oy) is the family-owned investment company of the Ahlström family, headquartered in Helsinki, with roots in the business started by Antti Ahlström in 1851. It describes itself as a long-term industrial owner whose Strategic Core (target 75–80% of assets) is built around industrial companies in the Forest & Fiber and Environmental Technology sectors, where it takes a lead or majority owner role in platform companies; a Diversification segment (20–25%) of financial assets, real estate and forestry de-risks the family's assets. Non-listed holdings are Ahlström Invest B.V. (with a significant ownership in Ahlstrom Oyj), Munksjö Paper AB, Metsäkonepalvelu Oy, Bast Fibre Technologies Inc, M&J Recycling A/S and GPV Group A/S; it also holds stakes in the listed companies Suominen Corporation, Detection Technology Plc and Glaston Corporation. Real estate and forests are managed by the fully owned subsidiary A. Ahlström Real Estate Ltd. Per the 2025 annual report, portfolio companies had combined revenue of about EUR 5.5 billion and roughly 18,300 employees in 30 countries, and the company's External Fair Value (EFV) was EUR 992.0 million at the end of 2025.

Investment thesis

Long-term owner with an entrepreneurial mindset that acquires, merges and divests businesses: a Strategic Core of industrial companies in Forest & Fiber and Environmental Technology integrated into a handful of world-leading specialist platforms where it aims for leading or majority ownership, with selective minority investments made with partners to build capabilities and pipeline; a Diversification segment of financial assets, real estate and forestry to de-risk family assets, manage liquidity and generate stable cash flow.

Holdings & investments (9)

• Metsäkonepalvelu OyNOTABLE
  Industrial & Manufacturing · since 2023
• Bast Fibre Technologies IncNOTABLE
  Climate & Energy · since 2022
• M&J Recycling A/SNOTABLE
  Climate & Energy · since 2021
• Ahlström Invest B.V. (significant ownership in Ahlstrom Oyj)NOTABLE
  Industrial & Manufacturing
• Munksjö Paper AB
  Industrial & Manufacturing · since 2022
• Glaston Corporation (listed, 26.4%)
  Industrial & Manufacturing · since 2017 · Minority stake
• Detection Technology Plc (listed, 36.0%)
  Industrial & Manufacturing · since 2017 · Minority stake
• Suominen Corporation (listed, 24%)
  Industrial & Manufacturing · since 2014 · Minority stake
• GPV Group A/S
  Industrial & Manufacturing

People

• Timo Riikonen
  Group CFO and Investment Director · source
• Maija Joutsenkoski
  Investment Director · source
• Juuso Jääskeläinen
  Investment Director · source
• Lia Heasman
  Responsible Investment Director · source
• Victor Bergström
  Investment Associate · source
• Akseli Komu
  Investment Associate · source
• Sebastian Burmeister
  Director, Financing and Investments, Ahlstrom Capital B.V. · source
• Tom Bakker
  Investment Analyst, Ahlstrom Capital B.V. · source
• Jyrki Vainionpää
  CEO · source
• Anne Karell
  Director, Head of Family Functions · source
• Tero Telaranta
  Senior Advisor · source
• Laura Meyer
  Sustainability Manager · source
• Miia Mäkinen
  Communications Manager · source
• Peter Ahlström
  CEO, A. Ahlström Kiinteistöt Oy · source
• Pia Lindborg
  Director, Real Estate, A. Ahlström Kiinteistöt Oy · source
• Mika Wahlman
  Forest Director, A. Ahlström Kiinteistöt Oy · source
• Albert van der Zee
  General Manager, Ahlstrom Capital B.V. · source
• Joakim Frimodig
  Chair of the Board · source
• Sebastian Bondestam
  Vice Chair of the Board · source
• Marcus Ahlström
  Board Member · source
• Hannele Arvonen
  Board Member · source
• Klaus Cawén
  Board Member · source
• Katja Keitaanniemi
  Board Member · source
• Fredrik Persson
  Board Member · source
• Nils K. Selte
  Board Member · source

Classification

Family Holding. A family's holding company that owns stakes in several separate businesses or invests beyond its own group, without calling itself a family office. How family capital is classified →