FSTR vs PRTA

Comparison between L.B. Foster Co. - Class A (FSTR, Company) and Prothena Corporation plc (PRTA, Company).

FSTR is from the Industrials sector, while PRTA is from the Healthcare sector.

5-Year PerformanceFSTR has outperformed PRTA, delivering a return of +18.7% compared to -28.8%

FSTR vs PRTA - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	FSTR(COMPANY)	PRTA(COMPANY)
Market Cap	$421M	$420M
Max Drawdown	84.91%	94.19%
Sharpe Ratio	1.96	1.08
5Y Beta	1.24	0.95
Industry	Railroads	Biotechnology
P/E Ratio	37.56	-2.83
Forward P/E	30.03	10.63
PEG Ratio	0.35	-0.08
5Y Dividends CAGR	16.36%	N/A
5Y EPS CAGR	-18.61%	-1.54%
Debt to Equity	0.00%	0.00%
Free Cash Flow Yield	9.62%	-19.37%
P/S Ratio	0.78	7.65
P/B Ratio	2.53	1.42

Market Cap

Winner

FSTR

$421M

PRTA

$420M

Max Drawdown

Winner

FSTR

84.91%

PRTA

94.19%

Sharpe Ratio

Winner

FSTR

1.96

PRTA

1.08

5Y Beta

FSTR

1.24

Winner

PRTA

0.95

Industry

FSTR

Railroads

PRTA

Biotechnology

P/E Ratio

FSTR

37.56

Winner

PRTA

-2.83

Forward P/E

FSTR

30.03

Winner

PRTA

10.63

PEG Ratio

FSTR

0.35

Winner

PRTA

-0.08

5Y Dividends CAGR

FSTR

16.36%

PRTA

N/A

5Y EPS CAGR

FSTR

-18.61%

Winner

PRTA

-1.54%

Debt to Equity

FSTR

0.00%

PRTA

0.00%

Free Cash Flow Yield

Winner

FSTR

9.62%

PRTA

-19.37%

P/S Ratio

Winner

FSTR

0.78

PRTA

7.65

P/B Ratio

FSTR

2.53

Winner

PRTA

1.42

FSTR vs PRTA - Historical Returns

Returns include dividend reinvestment.

Period	FSTR	PRTA
1 month	+3.47%	-12.51%
3 months	+53.18%	-11.39%
6 months	+58.69%	-20.37%
1 year	+115.95%	+62.72%
5 years(CAGR)	+18.68%	-28.79%
10 years(CAGR)	+13.61%	-15.75%
Max(CAGR)	+8.38%	+1.02%

Winner

FSTR

+3.47%

PRTA

-12.51%

Winner

FSTR

+53.18%

PRTA

-11.39%

Winner

FSTR

+58.69%

PRTA

-20.37%

Winner

FSTR

+115.95%

PRTA

+62.72%

5Y(CAGR)

Winner

FSTR

+18.68%

PRTA

-28.79%

10Y(CAGR)

Winner

FSTR

+13.61%

PRTA

-15.75%

Max(CAGR)

Winner

FSTR

+8.38%

PRTA

+1.02%

FSTR vs PRTA - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

Year	FSTR	PRTA
2026	+57.04%	-10.33%
2025	+1.54%	-30.14%
2024	+20.68%	-64.06%
2023	+124.62%	-32.07%
2022	-32.02%	+22.41%
2021	-6.21%	+301.63%
2020	-22.02%	-23.16%
2019	+13.67%	+50.76%
2018	-40.23%	-72.75%
2017	+89.86%	-24.70%
2016	+6.37%	-20.94%
2015	-71.35%	+234.69%
2014	+5.18%	-26.12%
2013	+7.24%	+278.86%
2012	+50.74%	+1.81%
2011	-30.38%	N/A
2010	+34.19%	N/A
2009	-5.43%	N/A
2008	-38.88%	N/A
2007	+109.60%	N/A
2006	+76.26%	N/A
2005	+56.40%	N/A
2004	+46.44%	N/A
2003	+49.08%	N/A
2002	-7.66%	N/A
2001	+71.43%	N/A
2000	-48.02%	N/A
1999	-4.88%	N/A

FSTR vs PRTA Drawdown Comparison

The maximum drawdown for FSTR was -84.47%, occurring on Mar 18, 2020. 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 FSTR drawdown is -24.80%. The current PRTA drawdown is -89.54%.

Rank	FSTR	PRTA
#1	-84.47% Dec 10, 2007 - Mar 18, 2020	-94.19% Sep 23, 2021 - May 27, 2025
#2	-54.55% Jan 20, 2000 - Mar 4, 2002	-90.85% Nov 27, 2015 - Sep 10, 2021
#3	-39.92% Jul 11, 2006 - May 30, 2007	-64.27% Mar 20, 2014 - Jun 17, 2015
#4	-38.17% Mar 12, 2002 - Oct 6, 2003	-36.96% Jul 28, 2015 - Nov 18, 2015
#5	-24.01% Jul 14, 2004 - Dec 1, 2004	-20.33% Dec 31, 2012 - Apr 9, 2013
#6	-22.57% Oct 9, 2007 - Nov 14, 2007	-18.45% Jun 20, 2013 - Jul 12, 2013
#7	-20.42% Apr 26, 2006 - Jul 11, 2006	-17.61% Jan 30, 2014 - Feb 25, 2014
#8	-16.39% Mar 8, 2004 - Jul 14, 2004	-15.12% Dec 16, 2013 - Jan 29, 2014
#9	-14.36% Feb 6, 2006 - Mar 15, 2006	-14.72% Oct 2, 2013 - Oct 25, 2013
#10	-14.35% Sep 2, 2005 - Dec 5, 2005	-11.68% May 28, 2013 - Jun 7, 2013
#11	-13.77% Nov 14, 2007 - Dec 5, 2007	-10.76% Aug 2, 2013 - Aug 22, 2013
#12	-13.38% Nov 5, 1999 - Jan 20, 2000	-10.14% Jun 22, 2015 - Jul 14, 2015
#13	-11.93% Apr 1, 2005 - Jul 15, 2005	-7.65% Mar 12, 2014 - Mar 19, 2014
#14	-11.40% May 30, 2007 - Jun 18, 2007	-6.94% Aug 29, 2013 - Oct 2, 2013
#15	-9.92% Jul 23, 2007 - Aug 2, 2007	-6.73% Jul 22, 2015 - Jul 28, 2015

Correlation

Correlation between FSTR and PRTA is -0.36 which considered as a weak negative correlation - the stocks show a slight tendency to move in opposite directions.

-0.36

-101