$8.07 -0.11 (-1.34%)

Prothena Corporation plc Ordinary Shares (PRTA)

Prothena Corporation plc is a biotechnology company focused on developing therapies for neurodegenerative and rare diseases. Founded in 2012 and headquartered in Dublin, Ireland, it leverages its expertise in immunology and protein biology to create innovative treatments, primarily targeting conditions such as Alzheimer's disease, Parkinson's disease, and other amyloid-related disorders. The company's approach often involves antibody discovery, molecular engineering, and collaboration with partners to advance its drug pipeline.

🚫 Prothena Corporation plc Ordinary Shares does not pay dividends

Company News

FDA Tightens Safety Guidelines For Biogen Leqembi Alzheimer's Therapy
Benzinga • Vandana Singh • August 29, 2025

The FDA now requires an additional MRI scan before the third Leqembi infusion to detect early signs of brain swelling (ARIA-E), a rare but potentially fatal side effect of the Alzheimer's treatment.

Kuehn Law Encourages Investors of Prothena Corporation PLC to Contact Law Firm
GlobeNewswire Inc. • N/A • February 17, 2025

Kuehn Law, a shareholder litigation law firm, is investigating potential self-dealing by officers and directors of Prothena Corporation PLC. Shareholders may be entitled to damages and corporate governance reforms.

Prothena (PRTA) Moves 9.3% Higher: Will This Strength Last?
Zacks Investment Research • Zacks Equity Research • June 24, 2024

Prothena (PRTA) was a big mover last session on higher-than-average trading volume. The latest trend in earnings estimate revisions might help the stock continue moving higher in the near term.

One Alzheimer's drug has failed, but investors are still betting on Biogen and Lilly treatments
MarketWatch • MarketWatch • November 15, 2022

Biogen stock is rising as investors double down on the company’s promising yet still experimental treatment for Alzheimer’s disease.

Why Biogen, Lilly, and Prothena Stocks Are Skyrocketing Today
The Motley Fool • [email protected] (Keith Speights) • September 28, 2022

Positive results for Biogen's Alzheimer's disease candidate are boosting all three stocks.