Published in DATA4 Group

Arjun Infrastructure Buys Stake in Data4

Aug 01, 2025 | Posted by Abdul-Rahman Oladimeji

European data center firm Data4 this week announced Arjun Infrastructure Partners has acquired a stake in a stabilised data center portfolio (aka StableCo) operated by Data4 and featuring facilities in France, Spain, and Italy.

Arjun secured a 30 percent stake in the StableCo portfolio, which comprises Data4 facilities in Paris, Madrid, and Milan with a combined capacity of 244MW. Data4 will continue to manage the portfolio. This transaction marks Arjun’s inaugural investment in the data center sector. Other investors in StableCo include existing owner Brookfield, which acquired Data4 in 2023.

Olivier Micheli, CEO of Data4, said: “We are pleased to broaden our investor base with the addition of Arjun as a new shareholder. This strategic investment reflects strong confidence in Data4’s fundamentals and serves as a clear validation of its international expansion and digital campus development model. Backed by this partnership, Data4 is well-positioned to accelerate its growth trajectory and further consolidate its leadership in the European data center market."

DATA4 Group has 65 sites in 5 regions.

Battery Room
Posted in Data4 Paris-Saclay |
Aerial View of DATA4 Paris Campus
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DATA4 Paris Features Water Feature and Foot Bridges
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Fresh Coat of Snow
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Entrance to DATA4 in Marcoussis
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Colocation Floor Area
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English sign on a French data center campus
DATA4 Sign
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Generators at Paris-Saclay
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DATA4 Group's Facility on 8 Rue Henri M. Schnadt
Posted in Data4 Luxembourg SARL |
Rendering of Data4 PAR03 Campus in Paris
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DATA4 Madrid MAD01 Campus in Alcobendas
Posted in DATA4 Madrid - Alcobendas Source: Cap Ingelec
Data4 Alcobendas Project in Madrid
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Data4's second data center building of Alcobendas Campus in Madrid
Posted in Data4: MAD01 DC2 Source: Cap Ingelec
Rendering of Data4's San Agustin del Guadalix Campus in Madrid
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First Building of Data4's Warsaw 1 Campus in Poland
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Rendering of Data4's Warsaw-1 Campus at full buildout
Posted in Data4: Warsaw 1 DC2 Source: Data4
Rendering of Data4's Warsaw-1 Campus at full buildout
Posted in Data4: Warsaw 1 DC3 Source: Data4
Rendering of Data4's Frankfurt Campus in Germany
Posted in Data4: Frankfurt Source: Data4
Rendering of Data4's Athens Campus in Paiania, East Attica, Greece.
Posted in Data4: Athens ATH1 Source: Data4

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