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Ahlstrom-Munksjö Oyj
TypePrivate company
IndustryFiber-based materials, including nonwovens
HeadquartersAlvar Aallon katu 3 C, 00100, ,
Area served
Key people
  • Ivano Sessa (Chairman of the Board)
  • Hans Sohlström (President and CEO)
  • Sakari Ahdekivi (Deputy CEO and CFO)
ProductsFiber-based materials for everyday applications such as filters, medical fabrics, life science and diagnostics, wallcoverings, energy storage solutions, and food packaging.
  • Increase €3076.6 million (2021)
Number of employees
7000 (2022)

Ahlstrom-Munksjö Oyj (Business name: Ahlstrom) is a manufacturer of fiber-based products.[1] Renewable fibers represent about 95% of Ahlstrom's total fiber use.[2]

Ahlstrom operates in Europe, North and South America as well as in Asia. Most production sites are located in Europe.[3] The head office is located in Helsinki, Finland.[4]

Ahlstrom's customers represent several industries, including automotive, furniture, construction, healthcare and life science, food and beverage and energy sectors.[5]

The company has some 7,000 employees worldwide and 38 production or converting facilities in 13 countries.[6] The company's annual net sales is about EUR 3.1 billion.[7]

The company is led by Hans Sohlström, President and CEO. Sakari Ahdekivi is Deputy CEO and CFO.[8][9][10][11]




The creation of the Munksjö paper mill in 1862 was due to a chance meeting of two eminent gentlemen: Janne Lundström, an inventor and industrialist from Jönköping, and Lars Johan Hierta, a prominent financier, publisher and politician. Munksjö became one of Europe's most innovative paper producers, delivering first-class products to a worldwide customer base.


Ahlstrom has its roots in Finland: the founder, Antti Ahlström, was one of Finland's most prominent 19th-century businessmen. The company was founded in 1851 and timber trading, shipping, and sawmill operations started to grow. The company focused on pulp, paper and timber production and machinery, later expanding to glassworks (Iittala and Karhula).

Ahlstrom's paper production began in Varkaus in 1921 on Europe's largest paper production machine.[12] By the beginning of the 1930s, Ahlstrom had grown into Finland's largest industrial conglomerate.[13]

The outbreak of World War II led the company to convert much of its production to support the Finnish war effort. Following the war, the company played a major role in Finland's reconstruction and in its war reparations obligation. Ahlstrom alone accounted for nearly 15 percent of the country's total reparations. The company continued to expand into the 1950s, stepping up its engineering operations while also expanding into chemical wood processing technology.[13]

Ahlstrom Corporation began to rapidly grow internationally in 1963, by acquiring a majority interest in a paper mill in Mathi close to Turin, Italy, that produced filter papers and rifle cartridge paper. This was the first significant international acquisition made by a Finnish company and made Ahlstrom a pioneer among major Finnish companies in internationalization.[12]

The town of Varkaus grew up around the A. Ahlström paper mills. In the 1930s, the Sunila Plant in Karhula (now Kotka), designed by Alvar Aalto, was built by Ahlström. In the 1980s, in a large swap of facilities, the Varkaus works were handed over to Enso Gutzeit (now Stora Enso).

During the 1980s, Ahlstrom left the newsprint and magazine paper market and focused its operations on specialty papers. One of the most profound decisions in Finnish industrial history was made in 1987, when Ahlstrom unexpectedly sold its paper-producing units. Leaving newsprint production increased the relative value of Ahlstrom's specialty paper and engineering units.

In the 1990s, Ahlstrom expanded its focus to include nonwoven products. At the end of 1996, Ahlstrom Corporation continued its expansion by acquiring the French specialty paper and nonwovens producer Sibille-Dalle. During that same year, Ahlstrom Corporation established the Ahlstrom Paper Group to encompass the company's fiber-based materials operations.

In 2000, Ahlstrom acquired Dexter Corporation's nonwovens production facilities in the United States, Sweden and the United Kingdom.

Recently, Ahlstrom is among the largest Nordic companies. The Ahlström family are still significant shareholders in the Ahlstrom Corporation.

In 2001, the group split into three companies. The manufacturing divisions were transferred to the now public Ahlstrom Corporation. Ahlstrom Capital Oy was established as a private investment company. And A.Ahlstrom Osakeyhtio was established as a private forestry and real estate management company.

In October 2005, Professor Johan Erik Gullichsen, chairman of Ahlstrom Corporation, was inducted into the Paper Industry International Hall of Fame for his innovations in the processing of pulp fiber suspensions at medium consistency.[14]

In 2012, Ahlstrom Corporation announced that its Label and Processing business area will be combined with Munksjö Group to create a world leader in specialty papers.

In 2016, Ahlstrom Corporation and Munksjö Oyj announced a plan to merge the two companies.[15]



In 2017, Ahlstrom sold its Osnabruck, Germany plant to Kammerer.[16]

The completion of the merger of Ahlstrom Corporation into Munksjö Oyj was registered with the Finnish Trade Register on 1 April 2017. Following the completion of the merger, the name of the combined company has changed to Ahlstrom-Munksjö Oyj (“Ahlstrom-Munksjö”). Trading in the new Ahlstrom-Munksjö shares issued to Ahlstrom's shareholders as merger consideration commenced 1 April 2017 on the Nasdaq Helsinki (trading code: AM1) and Nasdaq Stockholm (trading code: AM1S) stock exchanges.[17]

In 2018, Ahlstrom-Munksjö acquired U.S. based Expera Specialty Solutions and Brazilian Caieiras specialty paper mill.[10][18]

In September 2020, it was reported that a consortium consisting of Ahlström Capital, funds managed by Bain Capital, and Viknum and Belgrano Inversiones has submitted a cash purchase offer for all Ahlstrom-Munksjö Oyj's shares.[19]

In 2021, a consortium consisting of Ahlström Capital, funds managed by Bain Capital as well as Viknum and Belgrano Inversiones completed a tender offer for all shares in Ahlstrom-Munksjö. Ahlstrom-Munksjö became a privately held company (Ahlstrom-Munksjö Holding) and its shares were delisted from Nasdaq Helsinki and Nasdaq Stockholm.[20][21][22]



In 2022, Ahlstrom-Munksjö divested its Decor business to a newly formed Swedish company named Munksjö AB.[23][24] Following the ownership reorganization, the company renamed itself as Ahlstrom, with a renewed logo where the symbol remains the same and the name is changed to Ahlstrom.[25][26]

Business areas[edit]

Ahlstrom manages a broad platform of businesses, focusing on five divisions: Filtration, Technical Materials, Buidling Materials, Food & Consumer Packaging, Healthcare.[27] These divisions are connected with a common idea: to purify and protect, with every fiber, for a sustainable world by combining fibers with their know-how and advanced technology.[28] [29]

Global operations[edit]

Ahlstrom products are developed and produced in 13 countries, with 38 plants and a global sales network. The headquarter office is in Helsinki, Finland.

See also[edit]


  1. ^ "Ahlstrom-Munksjö Oyj: Private Company Information - Bloomberg". www.bloomberg.com. Archived from the original on 2018-06-29. Retrieved 2018-06-28.
  2. ^ "Munksjö and Ahlstrom to merge | Labels & Labeling". www.labelsandlabeling.com. Archived from the original on 2018-06-29. Retrieved 2018-06-28.
  3. ^ "Ahlstrom-Munksjö Annual Report 2017". www.ahlstrom-munksjo.com. Archived from the original on 2018-06-29. Retrieved 2018-06-28.
  4. ^ "Ahlstrom-Munksjo Interim Report January-March 2018, stock exchange release, published by Kauppalehti". www.kauppalehti.fi. Archived from the original on 2018-06-29. Retrieved 2018-06-28.
  5. ^ "Industries". Ahlstrom. Archived from the original on 2018-06-29. Retrieved 2018-06-28.
  6. ^ "Ahlstrom-Munksjö to operate under the business name Ahlstrom". Ahlstrom. Retrieved 2022-10-31.
  7. ^ "Ahlstrom-Munksjo Financial Statements Release 2017, published in Kauppalehti". www.kauppalehti.fi. Archived from the original on 2018-06-29. Retrieved 2018-06-29.
  8. ^ "Executive Management Team". Ahlstrom. Archived from the original on 2018-06-29. Retrieved 2018-06-29.
  9. ^ "Hans Sohlstrom, Ahlstrom-Munksjo OYJ: Profile and Biography". Bloomberg. Retrieved 22 July 2021.
  10. ^ a b Ford, Brittany (24 July 2018). "A look at what's next for Expera Solutions following international sale". Fox 11 News. Retrieved 22 July 2021.
  11. ^ "Sakari Ahdekivi, Ahlstrom-Munksjo OYJ: Profile and Biography". Bloomberg. Retrieved 22 July 2021.
  12. ^ a b "picvalley.com: Ahlstrom Corporate History". Archived from the original on 2009-06-10. Retrieved 2009-02-17.
  13. ^ a b "Answers.com: Ahlstrom Corporation". Answers.com. Archived from the original on 2012-11-05. Retrieved 2008-05-26.
  14. ^ "PaperAge: Paper Industry International Hall of Fame Honors Industry "Innovators"". Archived from the original on 2006-12-19. Retrieved 2006-11-20.
  15. ^ "Ahlstrom - Ahlstrom and Munksjö to combine, creating a global leader in sustainable and innovative fiber-based solutions". Archived from the original on 2017-02-11. Retrieved 2017-02-09.
  16. ^ "Ahlstrom - Ahlstrom completes the sale of Osnabrück plant to Kämmerer". Archived from the original on 2017-02-11. Retrieved 2017-02-08.
  17. ^ [permanent dead link] Ahlstrom-Munksjö merger completed | EUWID Pulp and Paper (euwid-paper.com)
  18. ^ "Ahlstrom-Munksjö acquires MD Papéis Caieiras paper mill". Pulp & Paper Canada. 24 October 2018. Retrieved 22 July 2021.
  19. ^ "Ahlströmin perheyhtiö aikoo ostaa Ahlstrom-Munksjön ulos pörssistä - Miljardikaupan tavoitteena on kiihdyttää yhtiön kehittämistä". Yle Uutiset (in Finnish). 2020-09-24. Retrieved 2022-07-20.
  20. ^ "Private equity group in negotiations to buy all shares in Ahlstrom-Munksjö". Paper Industry World. 2020-10-26. Retrieved 2022-01-18.
  21. ^ Kauppalehti. "Spa Holdings 3 Oy has gained title to the minority shares in Ahlstrom-Munksjö and the Ahlstrom-Munksjö shares will be delisted from Nasdaq Helsinki". Tärkeimmät talousuutiset | Kauppalehti (in Finnish). Retrieved 2022-01-18.
  22. ^ "Ahlstrom-Munksjö to be Delisted from Nasdaq Stockholm". Nonwovens Industry Magazine - News, Markets & Analysis for the Nonwovens Industry. Retrieved 2022-01-18.
  23. ^ "Ahlstrom-Munksjö completes the reorganization of the Decor business ownership". Ahlstrom. Retrieved 2022-10-31.
  24. ^ "Ahlstrom-Munksjö to reorganize its decor business ownership". www.pulpapernews.com (in Swedish). Retrieved 2022-10-31.
  25. ^ Maxwell (2022-06-19). "Ahlstrom-Munksjö changes its name to Ahlstrom". Paper to Export. Retrieved 2022-10-31.
  26. ^ "Ahlstrom-Munksjö to change name to Ahlstrom - Papnews". www.papnews.com. Retrieved 2022-10-31.
  27. ^ "Ahlstrom-Munksjö to change name to Ahlstrom - Papnews". www.papnews.com. Retrieved 2022-10-31.
  28. ^ Markets, Research and (2021-12-16). "Global Nonwoven Filter Media Industry Outlook to 2026 Featuring Analysis of Leading Players Leading Players Ahlstrom-Munksjo, Glatfelter Corp, Lydall, Sandler, Glatfelter Corp, Freudenberg, and More". GlobeNewswire News Room. Retrieved 2022-01-18.
  29. ^ "Ahlstrom-Munksjö's sustainability work awarded with a fifth consecutive EcoVadis Gold rating". finance.yahoo.com. Retrieved 2022-01-18.

External links[edit]