Filing Details
JOHNSON & JOHNSON, a registered investment adviser, initiated a new position in Protagonist Therapeutics, Inc. (NASDAQ:PTGX) during Q3 2026, according to its most recent 13F filing with the Securities and Exchange Commission.
The institutional investor purchased 2,449,183 shares of the Healthcare company, valued at approximately $345.1M as of the filing date.
Market Context
Protagonist Therapeutics, Inc.'s stock currently trades at $140.70 with a market capitalization of $5.8B.
A new institutional position can signal growing confidence in a company's prospects. When large asset managers like JOHNSON & JOHNSON establish stakes, it often reflects months of due diligence and a conviction that the stock is undervalued or poised for growth. Retail investors often track 13F filings to identify stocks that institutional money is moving into.
Healthcare stocks have attracted institutional attention as an aging population drives long-term demand. Protagonist Therapeutics, Inc. operates in a sector where regulatory developments and pipeline progress can significantly impact institutional positioning.
The size of this position — $345.1 million — places it among the more significant institutional holdings in Protagonist Therapeutics, Inc. Large positions like this can influence trading dynamics and are closely watched by market participants tracking smart money flows.
Investors should note that 13F filings reflect holdings as of the end of the reporting quarter and are filed up to 45 days later. The position may have changed since the filing date. 13F data is most useful when analyzed alongside other signals such as insider transactions, analyst ratings, and fundamental trends.
Related Tools: Insider Trades Tracker | View PTGX Stock Page
Frequently Asked Questions
What is a 13F filing?
A 13F filing is a quarterly SEC report required for institutional managers with over $100 million in assets. It discloses equity holdings, providing transparency into how firms like JOHNSON & JOHNSON position their portfolios.
How can I track institutional ownership of PTGX?
View all institutional holders on our PTGX institutional ownership page.