Silver Lake sues Carl Icahn and hedge funds over Endeavor buyout

• Silver Lake acquired Endeavor for $13 billion at $27.50 per share in 2025, but hedge funds bought stock afterward—some above the deal price—to pursue appraisal claims seeking higher valuations
• Delaware appraisal law allows investors to sue claiming a merger was underpriced, with a judge determining fair value that could exceed the deal price, unlike class actions which cover all shareholders
• The case reflects increased use of appraisal litigation after Delaware tightened laws on traditional fiduciary duty lawsuits, with investors exploiting the tactic for profit and access to confidential documents

Summary: Silver Lake Sues Carl Icahn and Hedge Funds Over Endeavor Buyout

Private equity firm Silver Lake has filed suit against billionaire Carl Icahn and dozens of hedge funds in Delaware's Court of Chancery to block their use of "appraisal arbitrage" tactics related to Silver Lake's $13 billion acquisition of Endeavor entertainment agency in 2025 at $27.50 per share (announced in 2024).

Key Legal Issue:

The lawsuit centers on Delaware corporate law provisions allowing investors to file "appraisal actions" when they believe a merger undervalued their shares. Unlike class actions, these cases only pertain to plaintiff investors' stock, with judges determining fair value that can exceed or fall below deal prices.

The Strategy:

Hedge funds pursued appraisal arbitrage after Endeavor became particularly attractive due to its majority stake in TKO Group Holdings (which owns WWE and UFC). When TKO stock rose sharply post-announcement, hedge funds aggressively purchased Endeavor shares—even above the $27.50 deal price—anticipating potential court-ordered payouts.

Financial Stakes:

Silver Lake seeks protection from paying "hundreds of millions of dollars, or more" in potential appraisal claims. The firm argues hedge funds are "opportunistic arbitrageurs" exploiting the legal system rather than legitimate dissenters.

Additional Claims:

Silver Lake accuses Icahn of coordinating stock purchases with appraisal hedge funds (which both parties deny) and alleges some funds failed to make proper securities disclosures. Separately, Icahn filed a class action alleging breach of fiduciary duties.

Market Context:

Delaware recently amended corporate law making traditional fiduciary duty lawsuits harder to bring, resulting in increased appraisal cases as an alternative legal avenue for accessing confidential documents and challenging deal valuations.