Prothena Corporation Ratios and Metrics

Market cap in millions USD. Fiscal year is January - December.

Millions USD. Fiscal year is Jan - Dec.

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Jul '26 Jul 13, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Market Cap	462	514	746	1,951	3,139	2,305
Market Cap Growth	38.95%	-31.04%	-61.79%	-37.86%	36.19%	380.76%
Enterprise Value	140.47	214.95	284.96	1,344	2,435	1,738
Last Close Price	8.83	9.55	13.85	36.34	60.25	49.40
PE Ratio	-	-	-	-	-	35.80
Forward PE	-	88.34	49.76	49.76	49.76	49.76
PS Ratio	7.98	53.09	5.52	21.35	58.24	11.49
PB Ratio	1.50	1.83	1.53	3.48	5.05	4.95
P/TBV Ratio	1.52	1.83	1.53	3.45	4.59	5.14
P/FCF Ratio	-	-	-	-	-	25.05
P/OCF Ratio	-	-	-	-	-	24.89
EV/Sales Ratio	2.42	22.20	2.11	14.71	45.18	8.67
EV/EBITDA Ratio	-	-	-	-	-	23.78
EV/EBIT Ratio	-	-	-	-	-	24.15
EV/FCF Ratio	-	-	-	-	-	18.89
Debt / Equity Ratio	0.02	0.02	0.02	0.02	0	0.01
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	2.72	1.40	3.00	3.19	5.38	-7.75
Net Debt / FCF Ratio	3.95	1.83	3.06	4.44	6.44	-6.16
Asset Turnover	0.17	0.02	0.22	0.13	0.08	0.43
Quick Ratio	10.13	7.53	9.72	10.97	14.17	17.31
Current Ratio	10.43	7.72	10.01	11.24	14.34	17.48
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)	-	-6778.70%	-	-	-	-
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