Byggmästare A J Ahlström H

Byggmästare Anders J Ahlström Holding AB is a Swedish investment holding company based in Botkyrka, Stockholm County. It owns and develops a portfolio of small and mid-sized businesses, with a focus on active ownership, long-term value creation, and selective exits when value can be realized.

4

21.66

21.56

— Byggmästare A J Ahlström H
%
Investment holding70% Ownership and management of a portfolio of operating companies and assets.
Portfolio company support10% Strategic, financial, and operational support provided to holdings.
Real estate and asset ownership20% Direct and indirect ownership of property-related assets and entities.

The company does not sell to end customers in the usual operating-company sense; its 'customers' are the portfolio...

  • Portfolio companiesprimary

    Operating businesses in the group that receive capital, governance, and strategic support.

  • Public shareholdersprimary

    Investors in the listed holding company who buy exposure to the portfolio and its value creation.

  • Exit counterpartiessecondary

    Strategic buyers or sponsors that acquire portfolio holdings when exits are executed.

  • Portfolio management teamssecondary

    Management teams that partner with the holding company to scale businesses over time.

The company is headquartered in Sweden and operates as a Nordic-focused investment holding company...

  • Headquartered in Botkyrka, Sweden
  • Primary investment focus on Sweden and the Nordics
  • Portfolio exposure can extend beyond the home market
  • Geography affects exit opportunities and valuation
  • Asset and operating-country mix depends on each holding

The company’s strategy is to own businesses for the long term, support them actively, and realize value when market...

01
Active ownership and governancemedium-term

Influence at board level helps shape strategy, execution, and capital discipline in holdings.

02
Disciplined exit managementshort-term

Realizing value through exits is central to the holding-company model and capital recycling.

03
Portfolio value creationlong-term

The company seeks to compound intrinsic value through ownership of quality businesses.

The main risks come from concentrated exposure to a portfolio of individual holdings, where value depends on operating...

high

Valuation risk in unlisted portfolio companies

Reported value depends on assumptions, comparables, and exit expectations rather than quoted prices.

Scope
Portfolio holdings
Materiality
high
high

Exit timing and liquidity risk

The business model depends on selling holdings when valuation is attractive and buyers are available.

Scope
Portfolio exits
Materiality
high
high

Concentration risk

A limited number of holdings can drive a large share of net asset value and performance.

Scope
Individual portfolio companies
Materiality
high
medium

Market and sentiment risk

Listed holdings and exit valuations are influenced by equity-market conditions and investor appetite.

Scope
Public markets
Materiality
medium
Fair value measurement of portfolio holdings
Reported earnings and net asset value
Valuation of unlisted investments
Balance sheet carrying values
Consolidation and exit-related remeasurement
Comparability of period-to-period results

: 11/08/2026