<- Go home

Added to YB: 2025-08-15

Pitch date: 2025-08-13

PRTA [bullish]

Prothena Corporation plc

+29.18%

current return

Author Info

BiotechBonanza shares takes on biotech with a heavy focus on special situations. Sign up for the newsletter.

Company Info

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States.

Market Cap

$534.5M

Pitch Price

$8.02

Price Target

242.00 (+2236%)

Dividend

N/A

EV/EBITDA

-0.97

P/E

-1.91

EV/Sales

18.05

Sector

Biotechnology

Category

special_situation

Show full summary:
Prothena (PRTA): An absolute monster of a royalty stub in the making!

PRTA: Biotech in winddown trading at $411M mkt cap w/ $326M cash ($85M EV). Key assets: 2 Ph3 programs partnered w/ Roche & Novo (multi-billion indications), 2 w/ BMY. Upcoming milestones: $50M from Novo (2026), huge royalties possible. Prasinezumab (Roche) alone could be worth 3-5B if approved. Company plans shareholder returns. 20-30x potential if assets advance.

Read full article (12 min)