---
title: "In 50 years, they’ll be ‘laughing’: Famed investor Jeremy Grantham says SpaceX is the ‘craziest IPO in the history of man.’ Why he's not buying it"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296019173.md"
description: "The GMO founder isn’t keen on SpaceX’s claims about asteroid mining, space tourism, or other pie-in-the-sky tech. Here’s why he’s anticipating a crash back to Earth."
datetime: "2026-08-16T09:34:41.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296019173.md)
  - [en](https://longbridge.com/en/news/296019173.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296019173.md)
---

# In 50 years, they’ll be ‘laughing’: Famed investor Jeremy Grantham says SpaceX is the ‘craziest IPO in the history of man.’ Why he's not buying it

The GMO founder isn’t keen on SpaceX’s claims about asteroid mining, space tourism, or other pie-in-the-sky tech. Here’s why he’s anticipating a crash back to Earth.

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