CoStar Group, a U.S.-based real estate data firm, has announced plans to acquire Australia’s Domain Holdings for an implied enterprise value of A$3.0 billion ($1.9 billion). The deal was confirmed by Domain Holdings on Friday.
According to the agreement, CoStar will pay A$4.43 per share in cash, offering a 4.2% premium over Domain’s last closing price on Thursday. The agreement also includes the possibility of a special dividend of up to A$0.10 per share.
Domain’s board has unanimously recommended the offer, subject to approval from an independent expert and the absence of a superior proposal.
The acquisition also has the backing of Domain’s majority shareholder, Nine Entertainment Co, which owns 60.1% of Domain.
Following the announcement, Domain’s share price rose 3%, reaching A$4.38, its highest level since March 2025.
The deal is expected to close in the third quarter of 2025. CoStar, which already holds a 16.9% stake in Domain through its subsidiary, aims to expand its global real estate data platform with this acquisition. If completed, Domain will continue operating under its own brand, with additional resources provided by CoStar.
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