Stock Markets April 29, 2026 02:42 PM

Avis Budget CEO Pins Sudden Share Collapse on Major Investor

Brian Choi says Pentwater’s block sale sparked sharp two-session stock declines after earlier stake disclosure fuelled a short squeeze

By Marcus Reed CAR
Avis Budget CEO Pins Sudden Share Collapse on Major Investor
CAR

Avis Budget Group Inc. reported dramatic share price swings after Pentwater Capital Management disclosed a large stake and later sold 4.3 million shares. CEO Brian Choi identified those sales as the likely trigger for a steep decline in the company’s stock and indicated the firm may pursue options, citing possible Securities and Exchange Commission rule violations.

Key Points

  • Pentwater disclosed it sold 4.3 million Avis shares on April 22, at prices ranging roughly from $250 to $700.
  • Avis stock dropped about 38% on April 22 and then another 48% in the following trading session.
  • Pentwater’s earlier disclosure of a large stake contributed to a short squeeze that pushed Avis shares up more than 600% in the weeks before the decline.

Summary

Avis Budget Group Inc. saw extreme price swings after a large investor disclosed a stake and then sold millions of shares. Chief executive Brian Choi blamed the subsequent block sales by Pentwater Capital Management LP for last week’s abrupt drop in the company’s share price and suggested the transactions may have raised questions about compliance with Securities and Exchange Commission rules.


Details of the stake disclosure and sales

Pentwater revealed late Tuesday that it sold 4.3 million Avis shares on April 22, selling across multiple transactions at prices described as roughly between $250 and $700. The disclosure followed a period when the stock traded near a record high, with the company noting the stock had closed at nearly $714 shortly before the sales were executed.

The market reaction was immediate. On April 22 the stock fell by about 38%, and it declined by a further 48% in the subsequent trading session.


Context of the earlier rally

Pentwater had earlier contributed to a rapid rally in Avis shares when it disclosed a substantial stake in the company. That announcement coincided with a short squeeze - short-sellers buying stock to cover bearish positions - which propelled the share price higher by more than 600% over several weeks, according to the company’s account.


Company response and next steps

During a Wednesday investor conference call held after Avis reported a quarterly loss that was wider than analysts expected, Choi identified Pentwater as the probable catalyst for the reversal in price. He stated: "Given the quantum of shares sold in such a short span of time, our stock price experienced a significant decline." He added: "It seems the only insider active during this period of excess volatility was Pentwater Capital."

Choi said Avis intends to "aggressively pursue" its options regarding the matter. Pentwater, identified as the company’s second-largest shareholder, did not reply to requests for comment.


Key takeaways

  • Pentwater sold 4.3 million Avis shares on April 22 at prices reported between approximately $250 and $700.
  • The stock fell about 38% on the day of the sales and another 48% the next session.
  • A prior disclosure of a large Pentwater stake had helped trigger a short squeeze, driving the stock up more than 600% in the weeks before the decline.

Implications for markets and transportation sector

The episode underscores how concentrated share movements by a major institutional holder can create substantial volatility for a company operating in the car rental and broader transportation sector, and how such volatility can affect investors and market participants.

Risks

  • Potential violations of SEC rules alleged by Avis could lead to regulatory scrutiny - impacts investor confidence and market participants in equities.
  • Ongoing share-price volatility may affect shareholder value and market stability for companies in the car rental and broader transportation sector.
  • Uncertainty about any legal or regulatory action and its timeline creates risk for investors and stakeholders relying on predictable equity valuations.

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