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Added to YB: 2025-08-15

Pitch date: 2025-08-13

PRTA [bullish]

Prothena Corporation plc

+12.59%

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

$482.3M

Pitch Price

$8.02

Price Target

242.00 (+2580%)

Dividend

N/A

EV/EBITDA

-0.73

P/E

-1.72

EV/Sales

13.62

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)