--- title: "Billionaire Bill Ackman’s new fund IPO goes bust on day 1, drops nearly 20% — but here’s why first day flops don’t always mean long-term failures" type: "News" locale: "en" url: "https://longbridge.com/en/news/284969727.md" description: "Despite the IPO's horrific first-day performance, Ackman is confident that \"it's going to be a very good long-term ride\" for his new shareholders." datetime: "2026-05-02T14:03:18.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/284969727.md) - [en](https://longbridge.com/en/news/284969727.md) - [zh-HK](https://longbridge.com/zh-HK/news/284969727.md) --- # Billionaire Bill Ackman’s new fund IPO goes bust on day 1, drops nearly 20% — but here’s why first day flops don’t always mean long-term failures Despite the IPO's horrific first-day performance, Ackman is confident that "it's going to be a very good long-term ride" for his new shareholders. ### Related Stocks - [PSTH.ESC.US](https://longbridge.com/en/quote/PSTH.ESC.US.md) - [PS.US](https://longbridge.com/en/quote/PS.US.md) - [PSHZF.US](https://longbridge.com/en/quote/PSHZF.US.md) - [PSUS.US](https://longbridge.com/en/quote/PSUS.US.md) ## Related News & Research - [Pershing Square launches $100M buyback after 16% share drop](https://longbridge.com/en/news/286640732.md) - [Pershing Square confirms IPO proceeds of $5B](https://longbridge.com/en/news/284585089.md) - [1 surprising way Oklo could benefit from the looming SpaceX IPO](https://longbridge.com/en/news/286652457.md) - [Cerebras IPO Euphoria Sends CBRS Stock Into Rare Air](https://longbridge.com/en/news/286763495.md) - [Cerebras IPO: Here's what a $5,000 investment could look like in 5 years](https://longbridge.com/en/news/286323972.md)