PRTA

Prothena Public
$8.70
−$0.05 (−0.57%)Jul 27, 2026
5.4NeutralMoatMint rating

MoatMint rates Prothena Public (PRTA) 5.4 out of 10, a research rating of the company's quality, value, growth, momentum and financial health. Its quality rating is 5.5 out of 10.

Key metrics

The numbers that frame PRTA today
Market cap
$455.47M
P/E (TTM)
-3.0
EV / FCF
-1.6
Gross margin
100%
EV / Sales
2.3
ROIC
622.4%
Div yield
0%
Debt / equity
0.0
52wk Low
$6.58
52wk High
$11.80

PRTA stock rating

How PRTA scores on quality, value, growth, momentum and financial health
5.4out of 10
Neutral overallFair business, expensive priceTop 46% of ~5,000 US stocks
QualityNeutral5.5/10
GrowthNeutral5.5/10
MomentumNeutral5.4/10
ValuePoor1.0/10
Financial HealthGreat9.8/10

Growth

Revenue and earnings trend for PRTA
RevenueNet income
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Cash flow & returns

Free cash flow and financial health
Free cash flowNet debt
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Insider trading

Recent insider buying and selling activity
PurchasesSales
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Frequently asked questions

Plain-English answers about PRTA
Is Prothena Public a good buy?
Hold. Prothena Public has mixed quality and mixed momentum. The setup is mixed. Growth looks mixed. The support signal is useful, but not decisive. We think Prothena Public is selling at a very high price.
What is the market capitalization of PRTA?
Prothena Public's market capitalization is $455.47M.
What is the P/E ratio for PRTA stock?
Prothena Public's current P/E ratio is -3.
What is the 52-week high for PRTA stock?
The 52-week high for Prothena Public is $11.80. The current close of $8.70 is 26.3% below that high.
What is the 52-week low for PRTA stock?
The 52-week low for Prothena Public is $6.58. The current close of $8.70 is 32.2% above that low.
Does PRTA stock pay dividends?
Prothena Public does not currently show a dividend per share in the company data.
What is the Debt / Equity ratio for PRTA?
Prothena Public's Debt / Equity ratio is 0.02.