PRTA vs GRRR

Comparison between Prothena Corporation plc (PRTA, Company) and Gorilla Technology Group Inc (GRRR, Company).

PRTA is from the Healthcare sector, while GRRR is from the Technology sector.

PRTA vs GRRR - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	PRTA(COMPANY)	GRRR(COMPANY)
Market Cap	$420M	$419M
Max Drawdown	94.19%	99.38%
Sharpe Ratio	1.08	0.18
5Y Beta	0.95	2.11
Industry	Biotechnology	Software - Infrastructure
P/E Ratio	-2.83	-9.36
Forward P/E	10.63	4.11
PEG Ratio	-0.08	N/A
5Y EPS CAGR	-1.54%	N/A
Debt to Equity	0.00%	8.67%
Free Cash Flow Yield	-19.37%	-2.81%
P/S Ratio	7.65	4.02
P/B Ratio	1.42	2.55

Market Cap

Winner

PRTA

$420M

GRRR

$419M

Max Drawdown

Winner

PRTA

94.19%

GRRR

99.38%

Sharpe Ratio

Winner

PRTA

1.08

GRRR

0.18

5Y Beta

Winner

PRTA

0.95

GRRR

2.11

Industry

PRTA

Biotechnology

GRRR

Software - Infrastructure

P/E Ratio

PRTA

-2.83

Winner

GRRR

-9.36

Forward P/E

PRTA

10.63

Winner

GRRR

4.11

PEG Ratio

PRTA

-0.08

GRRR

N/A

5Y EPS CAGR

PRTA

-1.54%

GRRR

N/A

Debt to Equity

Winner

PRTA

0.00%

GRRR

8.67%

Free Cash Flow Yield

PRTA

-19.37%

Winner

GRRR

-2.81%

P/S Ratio

PRTA

7.65

Winner

GRRR

4.02

P/B Ratio

Winner

PRTA

1.42

GRRR

2.55

PRTA vs GRRR - Historical Returns

Returns include dividend reinvestment.

Period	PRTA	GRRR
1 month	-12.51%	+26.36%
3 months	-11.39%	+55.36%
6 months	-20.37%	+26.64%
1 year	+62.72%	-15.49%
5 years(CAGR)	-28.79%	N/A
10 years(CAGR)	-15.75%	N/A
Max(CAGR)	+1.02%	-53.02%

PRTA

-12.51%

Winner

GRRR

+26.36%

PRTA

-11.39%

Winner

GRRR

+55.36%

PRTA

-20.37%

Winner

GRRR

+26.64%

Winner

PRTA

+62.72%

GRRR

-15.49%

5Y(CAGR)

PRTA

-28.79%

GRRR

N/A

10Y(CAGR)

PRTA

-15.75%

GRRR

N/A

Max(CAGR)

Winner

PRTA

+1.02%

GRRR

-53.02%

PRTA vs GRRR - Annual Returns (2012 - 2026)

Returns include dividend reinvestment.

Year	PRTA	GRRR
2026	-10.33%	+38.20%
2025	-30.14%	-55.12%
2024	-64.06%	+224.53%
2023	-32.07%	-94.40%
2022	+22.41%	-75.74%
2021	+301.63%	N/A
2020	-23.16%	N/A
2019	+50.76%	N/A
2018	-72.75%	N/A
2017	-24.70%	N/A
2016	-20.94%	N/A
2015	+234.69%	N/A
2014	-26.12%	N/A
2013	+278.86%	N/A
2012	+1.81%	N/A

PRTA vs GRRR 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 GRRR was -99.38%, occurring on Aug 6, 2024. This drawdown has not yet recovered.

The current PRTA drawdown is -89.54%. The current GRRR drawdown is -95.20%.

Rank	PRTA	GRRR
#1	-94.19% Sep 23, 2021 - May 27, 2025	-99.38% Jul 15, 2022 - Aug 6, 2024
#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