Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
9.81
+0.22 (2.29%)
At close: Mar 9, 2026, 4:00 PM EDT
9.93
+0.12 (1.22%)
After-hours: Mar 9, 2026, 7:08 PM EDT

Prothena Corporation Ratios and Metrics

Millions USD. Fiscal year is Jan - Dec.
Fiscal Year
CurrentFY 2025 FY 2024 FY 2023 FY 2022 FY 2021 2020 - 2016
Period Ending
Mar '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21 2020 - 2016
Market Capitalization
5285147451,9503,1112,302
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Market Cap Growth
-35.64%-31.02%-61.79%-37.30%35.14%380.07%
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Enterprise Value
2291922371,2902,6231,715
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Last Close Price
9.819.5513.8536.3460.2549.40
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PE Ratio
-----34.37
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Forward PE
39.7788.34----
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PS Ratio
54.5353.095.5121.3457.7011.48
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PB Ratio
1.881.831.533.475.004.94
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P/TBV Ratio
1.881.831.533.475.004.94
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P/FCF Ratio
-----25.01
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P/OCF Ratio
-----24.86
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EV/Sales Ratio
23.6419.861.7614.1248.668.55
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EV/EBITDA Ratio
-----23.47
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EV/EBIT Ratio
-----23.83
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EV/FCF Ratio
-----18.64
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Debt / Equity Ratio
0.030.030.020.020.010.03
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Debt / EBITDA Ratio
-----0.16
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Debt / FCF Ratio
-----0.13
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Net Debt / Equity Ratio
-1.07-1.07-0.95-1.08-1.13-1.22
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Net Debt / EBITDA Ratio
1.631.633.003.195.38-7.75
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Net Debt / FCF Ratio
1.831.833.064.446.44-6.16
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Asset Turnover
0.020.020.220.130.080.43
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Quick Ratio
7.537.539.7210.9714.1717.31
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Current Ratio
7.727.7210.0111.2414.3417.48
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Return on Equity (ROE)
-63.62%-63.62%-23.34%-24.85%-21.50%20.61%
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Return on Assets (ROA)
-26.40%-26.40%-15.54%-16.42%-12.03%9.55%
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Return on Invested Capital (ROIC)
--4795.64%----
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Return on Capital Employed (ROCE)
-64.50%-64.50%-31.00%-29.90%-18.60%12.50%
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Earnings Yield
-46.22%-47.48%-16.41%-7.54%-3.76%2.91%
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FCF Yield
-31.00%-31.85%-20.17%-7.01%-3.51%4.00%
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Buyback Yield / Dilution
-0.11%-0.11%-1.04%-12.34%2.26%-21.42%
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Source: S&P Capital IQ. Standard template. Financial Sources.