GRRR vs PRTA

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

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

GRRR vs PRTA - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

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

Market Cap

GRRR

$419M

Winner

PRTA

$420M

Max Drawdown

GRRR

99.38%

Winner

PRTA

94.19%

Sharpe Ratio

GRRR

0.18

Winner

PRTA

1.08

5Y Beta

GRRR

2.11

Winner

PRTA

0.95

Industry

GRRR

Software - Infrastructure

PRTA

Biotechnology

P/E Ratio

Winner

GRRR

-9.36

PRTA

-2.83

Forward P/E

Winner

GRRR

4.11

PRTA

10.63

PEG Ratio

GRRR

N/A

PRTA

-0.08

5Y EPS CAGR

GRRR

N/A

PRTA

-1.54%

Debt to Equity

GRRR

8.67%

Winner

PRTA

0.00%

Free Cash Flow Yield

Winner

GRRR

-2.81%

PRTA

-19.37%

P/S Ratio

Winner

GRRR

4.02

PRTA

7.65

P/B Ratio

GRRR

2.55

Winner

PRTA

1.42

GRRR vs PRTA - Historical Returns

Returns include dividend reinvestment.

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

Winner

GRRR

+26.36%

PRTA

-12.51%

Winner

GRRR

+55.36%

PRTA

-11.39%

Winner

GRRR

+26.64%

PRTA

-20.37%

GRRR

-15.49%

Winner

PRTA

+62.72%

5Y(CAGR)

GRRR

N/A

PRTA

-28.79%

10Y(CAGR)

GRRR

N/A

PRTA

-15.75%

Max(CAGR)

GRRR

-53.02%

Winner

PRTA

+1.02%

GRRR vs PRTA - Annual Returns (2012 - 2026)

Returns include dividend reinvestment.

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

GRRR vs PRTA Drawdown Comparison

The maximum drawdown for GRRR was -99.38%, occurring on Aug 6, 2024. This drawdown has not yet recovered.

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

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

Rank	GRRR	PRTA
#1	-99.38% Jul 15, 2022 - Aug 6, 2024	-94.19% Sep 23, 2021 - May 27, 2025
#2	N/A	-90.85% Nov 27, 2015 - Sep 10, 2021
#3	N/A	-64.27% Mar 20, 2014 - Jun 17, 2015
#4	N/A	-36.96% Jul 28, 2015 - Nov 18, 2015
#5	N/A	-20.33% Dec 31, 2012 - Apr 9, 2013
#6	N/A	-18.45% Jun 20, 2013 - Jul 12, 2013
#7	N/A	-17.61% Jan 30, 2014 - Feb 25, 2014
#8	N/A	-15.12% Dec 16, 2013 - Jan 29, 2014
#9	N/A	-14.72% Oct 2, 2013 - Oct 25, 2013
#10	N/A	-11.68% May 28, 2013 - Jun 7, 2013
#11	N/A	-10.76% Aug 2, 2013 - Aug 22, 2013
#12	N/A	-10.14% Jun 22, 2015 - Jul 14, 2015
#13	N/A	-7.65% Mar 12, 2014 - Mar 19, 2014
#14	N/A	-6.94% Aug 29, 2013 - Oct 2, 2013
#15	N/A	-6.73% Jul 22, 2015 - Jul 28, 2015