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Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
9.15
+0.22 (2.46%)
At close: Jun 22, 2026, 4:00 PM EDT
8.97
-0.18 (-1.97%)
After-hours: Jun 22, 2026, 6:05 PM EDT

Prothena Corporation Ratios and Metrics

Millions USD. Fiscal year is Jan - Dec.
Fiscal Year
CurrentFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Market Cap
4795147461,9513,1392,305
Market Cap Growth
75.86%-31.04%-61.79%-37.86%36.19%380.76%
Enterprise Value
157.22214.95284.961,3442,4351,738
Last Close Price
9.159.5513.8536.3460.2549.40
PE Ratio
-----35.80
Forward PE
-88.34----
PS Ratio
8.2753.095.5221.3558.2411.49
PB Ratio
1.551.831.533.485.054.95
P/TBV Ratio
1.581.831.533.454.595.14
P/FCF Ratio
-----25.05
P/OCF Ratio
-----24.89
EV/Sales Ratio
2.7122.202.1114.7145.188.67
EV/EBITDA Ratio
-----23.78
EV/EBIT Ratio
-----24.15
EV/FCF Ratio
-----18.89
Debt / Equity Ratio
0.020.020.020.0200.01
Debt / EBITDA Ratio
-----0.17
Debt / FCF Ratio
-----0.13
Net Debt / Equity Ratio
-1.03-1.07-0.95-1.08-1.13-1.22
Net Debt / EBITDA Ratio
2.721.403.003.195.38-7.75
Net Debt / FCF Ratio
3.951.833.064.446.44-6.16
Asset Turnover
0.170.020.220.130.080.43
Quick Ratio
10.137.539.7210.9714.1717.31
Current Ratio
10.437.7210.0111.2414.3417.48
Return on Equity (ROE)
-50.98%-63.62%-23.34%-24.85%-21.50%20.61%
Return on Assets (ROA)
-49.83%-59.70%-23.58%-24.07%-17.92%14.23%
Return on Invested Capital (ROIC)
-440.45%-397.53%-180.05%-244.97%-209.41%142.09%
Return on Capital Employed (ROCE)
-39.46%-54.72%-27.16%-28.36%-20.49%16.30%
Earnings Yield
-----2.79%
FCF Yield
-----3.99%
Buyback Yield / Dilution
0.00%-0.11%-1.04%-12.34%2.26%-21.42%
Total Shareholder Return
0.00%-0.11%-1.04%-12.34%2.26%-21.42%
SEC Filings: 10-K · 10-Q