PRTA vs DHIL

Comparison between Prothena Corporation plc (PRTA, Company) and Diamond Hill Investment Group Inc - Class A (DHIL, Company).

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

5-Year PerformanceDHIL has outperformed PRTA, delivering a return of +8.4% compared to -29.4%

PRTA vs DHIL - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	PRTA(COMPANY)	DHIL(COMPANY)
Market Cap	$474M	$473M
Max Drawdown	94.19%	75.89%
Sharpe Ratio	1.09	0.94
5Y Beta	0.94	N/A
Industry	Biotechnology	Asset Management
P/E Ratio	-3.19	9.81
Forward P/E	10.63	21.83
PEG Ratio	-0.09	0.73
Dividend Yield	N/A	3.43%
5Y Dividends CAGR	N/A	5.02%
5Y EPS CAGR	-1.54%	8.01%
Debt to Equity	0.00%	0.00%
Free Cash Flow Yield	-17.16%	-1.91%

Market Cap

Winner

PRTA

$474M

DHIL

$473M

Max Drawdown

PRTA

94.19%

Winner

DHIL

75.89%

Sharpe Ratio

Winner

PRTA

1.09

DHIL

0.94

5Y Beta

PRTA

0.94

DHIL

N/A

Industry

PRTA

Biotechnology

DHIL

Asset Management

P/E Ratio

Winner

PRTA

-3.19

DHIL

9.81

Forward P/E

Winner

PRTA

10.63

DHIL

21.83

PEG Ratio

Winner

PRTA

-0.09

DHIL

0.73

Dividend Yield

PRTA

N/A

DHIL

3.43%

5Y Dividends CAGR

PRTA

N/A

DHIL

5.02%

5Y EPS CAGR

PRTA

-1.54%

Winner

DHIL

8.01%

Debt to Equity

PRTA

0.00%

DHIL

0.00%

Free Cash Flow Yield

PRTA

-17.16%

Winner

DHIL

-1.91%

PRTA vs DHIL - Historical Returns

Returns include dividend reinvestment.

Period	PRTA	DHIL
1 month	-6.88%	+1.37%
3 months	+3.96%	+2.57%
6 months	-4.80%	+33.50%
1 year	+55.30%	+45.59%
5 years(CAGR)	-29.43%	+8.37%
10 years(CAGR)	-13.89%	+5.47%
Max(CAGR)	+1.61%	+22.33%

PRTA

-6.88%

Winner

DHIL

+1.37%

Winner

PRTA

+3.96%

DHIL

+2.57%

PRTA

-4.80%

Winner

DHIL

+33.50%

Winner

PRTA

+55.30%

DHIL

+45.59%

5Y(CAGR)

PRTA

-29.43%

Winner

DHIL

+8.37%

10Y(CAGR)

PRTA

-13.89%

Winner

DHIL

+5.47%

Max(CAGR)

PRTA

+1.61%

Winner

DHIL

+22.33%

PRTA vs DHIL - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

Year	PRTA	DHIL
2026	-2.93%	+2.80%
2025	-30.14%	+18.58%
2024	-64.06%	-2.18%
2023	-32.07%	-5.69%
2022	+22.41%	+0.65%
2021	+301.63%	+47.27%
2020	-23.16%	+12.33%
2019	+50.76%	-1.01%
2018	-72.75%	-23.84%
2017	-24.70%	+1.46%
2016	-20.94%	+21.58%
2015	+234.69%	+42.23%
2014	-26.12%	+21.46%
2013	+278.86%	+74.13%
2012	+1.81%	+0.60%
2011	N/A	+7.02%
2010	N/A	+31.92%
2009	N/A	+13.78%
2008	N/A	+1.83%
2007	N/A	-12.97%
2006	N/A	+165.30%
2005	N/A	+82.61%
2004	N/A	+146.32%
2003	N/A	+61.40%
2002	N/A	+0.26%
2001	N/A	+94.17%
2000	N/A	-41.86%
1999	N/A	+0.00%

PRTA vs DHIL 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 DHIL was -75.89%, occurring on Jun 28, 2001. Recovery took 470 trading sessions.

The current PRTA drawdown is -88.68%.

Rank	PRTA	DHIL
#1	-94.19% Sep 23, 2021 - May 27, 2025	-75.89% Nov 10, 1999 - Sep 27, 2001
#2	-90.85% Nov 27, 2015 - Sep 10, 2021	-69.71% Feb 13, 2007 - Nov 4, 2010
#3	-64.27% Mar 20, 2014 - Jun 17, 2015	-59.77% Jun 5, 2002 - Jan 27, 2004
#4	-36.96% Jul 28, 2015 - Nov 18, 2015	-57.66% Jan 23, 2018 - May 5, 2021
#5	-20.33% Dec 31, 2012 - Apr 9, 2013	-33.01% Nov 24, 2021 - Jan 29, 2026
#6	-18.45% Jun 20, 2013 - Jul 12, 2013	-31.08% Dec 1, 2015 - Oct 27, 2017
#7	-17.61% Jan 30, 2014 - Feb 25, 2014	-28.70% Sep 27, 2001 - May 13, 2002
#8	-15.12% Dec 16, 2013 - Jan 29, 2014	-25.88% Mar 2, 2005 - Aug 12, 2005
#9	-14.72% Oct 2, 2013 - Oct 25, 2013	-23.33% Dec 6, 2005 - Feb 6, 2006
#10	-11.68% May 28, 2013 - Jun 7, 2013	-22.32% Jul 19, 2011 - Feb 3, 2012
#11	-10.76% Aug 2, 2013 - Aug 22, 2013	-18.42% Feb 6, 2012 - Oct 16, 2012
#12	-10.14% Jun 22, 2015 - Jul 14, 2015	-16.67% Nov 1, 1999 - Nov 8, 1999
#13	-7.65% Mar 12, 2014 - Mar 19, 2014	-16.39% Mar 9, 2006 - Jun 29, 2006
#14	-6.94% Aug 29, 2013 - Oct 2, 2013	-15.02% Oct 16, 2012 - Dec 11, 2012
#15	-6.73% Jul 22, 2015 - Jul 28, 2015	-14.26% Sep 8, 2014 - Oct 31, 2014