PRTA vs BNTC

Comparison between Prothena Corporation plc (PRTA, Company) and Benitec Biopharma Inc (BNTC, Company).

Both PRTA and BNTC are from the Healthcare sector.

5-Year PerformanceBNTC has outperformed PRTA, delivering a return of -29.2% compared to -30.3%

PRTA vs BNTC - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	PRTA(COMPANY)	BNTC(COMPANY)
Market Cap	$448M	$393M
Max Drawdown	94.19%	99.91%
Sharpe Ratio	0.71	0.26
5Y Beta	0.90	0.78
Industry	Biotechnology	Biotechnology
P/E Ratio	-3.01	-8.35
Forward P/E	10.63	N/A
PEG Ratio	-0.08	0.00
5Y EPS CAGR	-1.54%	N/A
Debt to Equity	0.00%	0.00%
Free Cash Flow Yield	-18.16%	-5.04%
P/S Ratio	7.63	2770.13
P/B Ratio	1.47	2.23

Market Cap

Winner

PRTA

$448M

BNTC

$393M

Max Drawdown

Winner

PRTA

94.19%

BNTC

99.91%

Sharpe Ratio

Winner

PRTA

0.71

BNTC

0.26

5Y Beta

PRTA

0.90

Winner

BNTC

0.78

Industry

PRTA

Biotechnology

BNTC

Biotechnology

P/E Ratio

PRTA

-3.01

Winner

BNTC

-8.35

Forward P/E

PRTA

10.63

BNTC

N/A

PEG Ratio

Winner

PRTA

-0.08

BNTC

0.00

5Y EPS CAGR

PRTA

-1.54%

BNTC

N/A

Debt to Equity

PRTA

0.00%

BNTC

0.00%

Free Cash Flow Yield

PRTA

-18.16%

Winner

BNTC

-5.04%

P/S Ratio

Winner

PRTA

7.63

BNTC

2770.13

P/B Ratio

Winner

PRTA

1.47

BNTC

2.23

PRTA vs BNTC - Historical Returns

Returns include dividend reinvestment.

Period	PRTA	BNTC
1 month	-10.68%	-11.18%
3 months	-20.50%	-9.92%
6 months	-14.70%	-8.33%
1 year	+26.18%	-3.46%
5 years(CAGR)	-30.33%	-29.16%
10 years(CAGR)	-16.72%	-31.05%
Max(CAGR)	+1.26%	-37.74%

Winner

PRTA

-10.68%

BNTC

-11.18%

PRTA

-20.50%

Winner

BNTC

-9.92%

PRTA

-14.70%

Winner

BNTC

-8.33%

Winner

PRTA

+26.18%

BNTC

-3.46%

5Y(CAGR)

PRTA

-30.33%

Winner

BNTC

-29.16%

10Y(CAGR)

Winner

PRTA

-16.72%

BNTC

-31.05%

Max(CAGR)

Winner

PRTA

+1.26%

BNTC

-37.74%

PRTA vs BNTC - Annual Returns (2012 - 2026)

Returns include dividend reinvestment.

Year	PRTA	BNTC
2026	-7.28%	-9.10%
2025	-30.14%	+11.51%
2024	-64.06%	+286.01%
2023	-32.07%	+8.57%
2022	+22.41%	-93.80%
2021	+301.63%	-21.56%
2020	-23.16%	-56.99%
2019	+50.76%	-66.00%
2018	-72.75%	-48.39%
2017	-24.70%	+93.46%
2016	-20.94%	-63.48%
2015	+234.69%	-49.56%
2014	-26.12%	N/A
2013	+278.86%	N/A
2012	+1.81%	N/A

PRTA vs BNTC Drawdown Comparison

The maximum drawdown for PRTA was -94.19%, occurring on May 27, 2025. This drawdown has not yet recovered.

The maximum drawdown for BNTC was -99.91%, occurring on Aug 8, 2023. This drawdown has not yet recovered.

The current PRTA drawdown is -89.19%. The current BNTC drawdown is -99.46%.

Rank	PRTA	BNTC
#1	-94.19% Sep 23, 2021 - May 27, 2025	-99.91% Aug 20, 2015 - Aug 8, 2023
#2	-90.85% Nov 27, 2015 - Sep 10, 2021	N/A
#3	-64.27% Mar 20, 2014 - Jun 17, 2015	N/A
#4	-36.96% Jul 28, 2015 - Nov 18, 2015	N/A
#5	-20.33% Dec 31, 2012 - Apr 9, 2013	N/A
#6	-18.45% Jun 20, 2013 - Jul 12, 2013	N/A
#7	-17.61% Jan 30, 2014 - Feb 25, 2014	N/A
#8	-15.12% Dec 16, 2013 - Jan 29, 2014	N/A
#9	-14.72% Oct 2, 2013 - Oct 25, 2013	N/A
#10	-11.68% May 28, 2013 - Jun 7, 2013	N/A
#11	-10.76% Aug 2, 2013 - Aug 22, 2013	N/A
#12	-10.14% Jun 22, 2015 - Jul 14, 2015	N/A
#13	-7.65% Mar 12, 2014 - Mar 19, 2014	N/A
#14	-6.94% Aug 29, 2013 - Oct 2, 2013	N/A
#15	-6.73% Jul 22, 2015 - Jul 28, 2015	N/A