Prothena Corporation plc

PRTA· NASDAQ· Health Care· Pharmaceuticals, Biotechnology & Life Sciences

$8.33+2.59%

2026-08-03

Financials

Valuation Metrics

Prothena Corporation plc's Market Cap is $436M. At end of 2025 it was $514M. Ranked #2860 of 3,112 in US market (top 92%), #1261 of 1,445 on NASDAQ (top 87%), #229 of 269 in Pharmaceuticals, Biotechnology & Life Sciences (top 85%) by Market Cap.

Investment Metrics(as of 2026-08-03)

Metric	Value	Rank
Size
Market Cap	$436M	US#2,860/3,112 Sec#229/269
Revenue	$58M	US#2,848/3,112 Sec#150/269
Net Income	$-151M	US—/3,112 Sec—/269
Total Assets	$350M	US#2,860/3,112 Sec#193/269
Net Assets	$313M	US#2,525/3,112 Sec#154/269
Value
P/B	1.40x	US#714/3,112 Sec#33/269
P/S	7.53x	US#2,537/3,112 Sec#107/269
FCF Yield	-18.67%	US—/3,112 Sec—/269
Profitability
ROE	-48.36%	US#2,731/3,112 Sec#169/269
ROA	-43.21%	US#2,938/3,112 Sec#199/269
Op. Margin	-217.94%	US#2,865/3,112 Sec#142/269
Revenue Growth	1706.36%	US#21/3,112 Sec#9/269
Financial Health
Debt Ratio	11.92%	US#132/3,112 Sec#57/269
Total Debt	$8M	US#2,808/3,112 Sec#207/269
FCF	$-81M	US#2,548/3,112 Sec#138/269
Cash	$329M	US#1,358/3,112 Sec#73/269
Current Ratio	10.43x	US#237/3,112 Sec#75/269
Performance
1Y Return	22.32%	US#1,466/3,112 Sec#165/269
1M Return	-14.04%	US#2,778/3,112 Sec#196/269
From 52W High	-29.41%	US#2,151/3,112 Sec#162/269
1Y MDD	-31.28%	US#1,472/3,112 Sec#94/269
Trading
Volume	538,248 shares	US#2,015/3,112 Sec#197/269
Trading Value	$4M	US#2,707/3,112 Sec#223/269
Per Share
EPS	$-4.53	US—/3,112 Sec—/269
BPS	$5.21	US#2,210/3,112 Sec#130/269