---
title: "BUZZ-Protagonist Therapeutics surges after media reports J&J in talks to buy co"
description: "Shares of Protagonist Therapeuticsrise 28.3% to an all-time high of $86Johnson & Johnsonis in discussions to buy PTGX, the Wall Street Journal reports, citing people familiar with the matterA deal is "
type: "news"
locale: "en"
url: "https://longbridge.com/en/news/260666215.md"
published_at: "2025-10-10T15:38:23.000Z"
---

# BUZZ-Protagonist Therapeutics surges after media reports J&J in talks to buy co

> Shares of Protagonist Therapeuticsrise 28.3% to an all-time high of $86Johnson & Johnsonis in discussions to buy PTGX, the Wall Street Journal reports, citing people familiar with the matterA deal is not guaranteed and the exact details being discussed could not be learned - WSJPTGX has a market value of $4.17 billion as of last close - LSEG dataUp to last close, stock up 71.4% YTD

Shares of Protagonist Therapeutics (PTGX.O) rise 28.3% to an all-time high of $86

Johnson & Johnson (JNJ.N) is in discussions to buy PTGX, the Wall Street Journal reports, citing people familiar with the matter

A deal is not guaranteed and the exact details being discussed could not be learned - WSJ

PTGX has a market value of $4.17 billion as of last close - LSEG data

Up to last close, stock up 71.4% YTD

### Related Stocks

- [PTGX.US - Protagonist Therap](https://longbridge.com/en/quote/PTGX.US.md)

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> **Disclaimer**: This article is for reference only and does not constitute any investment advice.