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Companies similar to Prothena Corporation

Discover businesses that overlap with Prothena Corporation. Compare their performance, financials and the industries behind the score.

PRTAProthena CorporationStock dashboard ↗
ALZN100.0%CAPR95.1%FBIO92.4%PRTA
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Businesses overlapping with PRTA 12

Ranked by unscaled business similarity · Annual filings released in 2025

ALZNAlzamend Neuro
100.0% Similarity
CAPRCapricor Therapeutics
95.1% Similarity
FBIOFortress Biotech
92.4% Similarity
OCGNOcugen
91.2% Similarity
TAKTakeda Pharmaceutical Company Limited American Depositary Shares (each representing 1/2 of a share of
88.1% Similarity
PMNProMIS Neurosciences Inc. Common Shares (ON)
87.8% Similarity
ALDXAldeyra Therapeutics
87.1% Similarity
ALGSAligos Therapeutics
87.1% Similarity
ANNXAnnexon
87.1% Similarity
APUSApimeds Pharmaceuticals US
87.1% Similarity
TNXPTonix Pharmaceuticals Holding
84.6% Similarity
DYAIDyadic International
45.9% Similarity

Similarity measures overlap in classified business activities. Identical tags can score 100% even when products differ. Review the company descriptions and filing evidence.