PRTA vs APXT

Comparison between Prothena Corporation plc (PRTA, Company) and Apex Treasury Corp - Class A (APXT, Company).

PRTA is from the Healthcare sector, while APXT is from the Financial Services sector.

PRTA vs APXT - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	PRTA(COMPANY)	APXT(COMPANY)
Market Cap	$447M	$449M
Max Drawdown	94.19%	0.70%
Sharpe Ratio	0.85	-0.71
5Y Beta	0.89	-0.00
Industry	Biotechnology	Shell Companies
P/E Ratio	-3.01	-120.24
Forward P/E	10.63	N/A
PEG Ratio	-0.08	N/A
5Y EPS CAGR	-1.54%	N/A
Debt to Equity	0.00%	0.00%
Free Cash Flow Yield	-18.18%	-0.43%
P/S Ratio	7.62	N/A
P/B Ratio	1.45	1.89

Market Cap

PRTA

$447M

Winner

APXT

$449M

Max Drawdown

PRTA

94.19%

Winner

APXT

0.70%

Sharpe Ratio

Winner

PRTA

0.85

APXT

-0.71

5Y Beta

PRTA

0.89

Winner

APXT

-0.00

Industry

PRTA

Biotechnology

APXT

Shell Companies

P/E Ratio

PRTA

-3.01

Winner

APXT

-120.24

Forward P/E

PRTA

10.63

APXT

N/A

PEG Ratio

PRTA

-0.08

APXT

N/A

5Y EPS CAGR

PRTA

-1.54%

APXT

N/A

Debt to Equity

PRTA

0.00%

APXT

0.00%

Free Cash Flow Yield

PRTA

-18.18%

Winner

APXT

-0.43%

P/S Ratio

PRTA

7.62

APXT

N/A

P/B Ratio

Winner

PRTA

1.45

APXT

1.89

PRTA vs APXT - Historical Returns

Returns include dividend reinvestment.

Period	PRTA	APXT
1 month	-4.37%	+0.20%
3 months	-17.99%	+0.90%
6 months	-9.61%	+1.72%
1 year	+39.11%	N/A
5 years(CAGR)	-29.96%	N/A
10 years(CAGR)	-16.54%	N/A
Max(CAGR)	+1.45%	+2.25%

PRTA

-4.37%

Winner

APXT

+0.20%

PRTA

-17.99%

Winner

APXT

+0.90%

PRTA

-9.61%

Winner

APXT

+1.72%

PRTA

+39.11%

APXT

N/A

5Y(CAGR)

PRTA

-29.96%

APXT

N/A

10Y(CAGR)

PRTA

-16.54%

APXT

N/A

Max(CAGR)

PRTA

+1.45%

Winner

APXT

+2.25%

PRTA vs APXT - Annual Returns (2012 - 2026)

Returns include dividend reinvestment.

Year	PRTA	APXT
2026	-4.89%	+1.82%
2025	-30.14%	-0.30%
2024	-64.06%	N/A
2023	-32.07%	N/A
2022	+22.41%	N/A
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 APXT 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 APXT was -0.70%, occurring on Feb 23, 2026. Recovery took 23 trading sessions.

The current PRTA drawdown is -88.91%. The current APXT drawdown is -0.30%.

Rank	PRTA	APXT
#1	-94.19% Sep 23, 2021 - May 27, 2025	-0.70% Feb 3, 2026 - Mar 9, 2026
#2	-90.85% Nov 27, 2015 - Sep 10, 2021	-0.60% Mar 9, 2026 - May 14, 2026
#3	-64.27% Mar 20, 2014 - Jun 17, 2015	-0.50% Nov 17, 2025 - Jan 22, 2026
#4	-36.96% Jul 28, 2015 - Nov 18, 2015	-0.30% Jul 20, 2026 - Jul 21, 2026
#5	-20.33% Dec 31, 2012 - Apr 9, 2013	-0.20% May 29, 2026 - Jun 18, 2026
#6	-18.45% Jun 20, 2013 - Jul 12, 2013	-0.20% Jun 18, 2026 - Jul 2, 2026
#7	-17.61% Jan 30, 2014 - Feb 25, 2014	-0.20% Jul 6, 2026 - Jul 20, 2026
#8	-15.12% Dec 16, 2013 - Jan 29, 2014	-0.15% Jan 22, 2026 - Jan 28, 2026
#9	-14.72% Oct 2, 2013 - Oct 25, 2013	-0.10% Jan 30, 2026 - Feb 3, 2026
#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