Stock Markets April 10, 2026 10:48 PM

Third Point Abandons Proxy Fight at CoStar, Sells Entire Stake

Daniel Loeb's hedge fund says its activist thesis no longer applies and has exited its position in the owner of Apartments.com and Homes.com

By Ajmal Hussain CSGP
Third Point Abandons Proxy Fight at CoStar, Sells Entire Stake
CSGP

Third Point, the hedge fund led by billionaire Daniel Loeb, will not pursue a proxy contest at CoStar Group and has sold its entire holding in the real estate data firm. In a letter to investors, the fund said its original investment thesis no longer holds; CoStar did not immediately respond and the fund did not disclose the size of its stake.

Key Points

  • Third Point will not launch a proxy fight at CoStar Group and has sold its entire stake in the company.
  • Daniel Loeb told investors the fund no longer believes its original thesis about pressuring CoStar to focus on core operations holds true.
  • The hedge fund did not disclose the size of its former stake and CoStar did not immediately comment; sectors affected include real estate data services and financial markets tracking activist investor activity.

Third Point, the investment firm headed by Daniel Loeb, has decided not to initiate a proxy fight at CoStar Group and has liquidated its entire stake in the company that owns Apartments.com and Homes.com, according to a letter reviewed by Reuters and people familiar with the situation.

In the communication to investors, Loeb said the fund had altered its plan after concluding that efforts to press CoStar to concentrate more intently on its core business might not be sufficient to reverse the firm’s course. "We no longer believe that our original thesis holds true today and have disposed of our position in its entirety," Loeb wrote in the investor letter.

The hedge fund did not reveal how large its position in CoStar was prior to selling out. A spokesperson for CoStar Group did not provide an immediate comment when asked.

The decision marks a change in strategy for Third Point, which had contemplated using shareholder activism to push CoStar toward a narrower operational emphasis. According to the letter and informed sources, the firm determined that those efforts would likely not produce the intended outcome and therefore chose to exit the investment entirely.

Key elements in the letter underline that Third Point’s reassessment was rooted in the belief that the original rationale for the investment - pressing for a refocus on core assets and operations - was no longer valid in the present circumstances. The fund’s exit removes an active activist from the shareholder landscape at CoStar, at least for now.

Several details remain unclear based on the information disclosed: the size of Third Point’s former stake was not made public, and CoStar has not issued a public response to the announcement. Those unknowns leave outstanding questions about the extent to which the hedge fund’s prior holding or its potential influence on CoStar’s strategy had materially affected the company’s trajectory.

The move by Third Point will be observed by market participants and other investors who track shareholder activism and corporate strategy in the real estate data and online listings sector, given CoStar’s role as owner of widely used platforms such as Apartments.com and Homes.com.

Risks

  • Uncertainty about the size of Third Point’s prior position - the hedge fund did not disclose the stake, leaving the market without clarity on how significant the holding was. This affects investor assessment in the financial markets sector.
  • Lack of a public response from CoStar - the company did not immediately comment, which leaves questions about management’s view and next steps for the real estate data business.
  • The decision indicates Third Point concluded its strategy would not salvage the company - this raises uncertainty about CoStar’s ability to meet activist-driven operational changes, impacting stakeholders in online listings and real estate data services.

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