SION vs AHL-P-D

Comparison between Sionna Therapeutics Inc (SION, Company) and Aspen Insurance Holdings Limited 5625 Perpetual NonCumulative Preference Shares (AHL-P-D, Company).

SION is from the Healthcare sector, while AHL-P-D is from the Financial Services sector.

SION vs AHL-P-D - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	SION(COMPANY)	AHL-P-D(COMPANY)
Market Cap	$1.88B	$1.87B
Max Drawdown	69.36%	60.32%
Sharpe Ratio	1.46	-0.10
5Y Beta	0.92	0.29
Industry	Biotechnology	Insurance - Property & Casualty
P/E Ratio	-21.73	-4.22
5Y Dividends CAGR	N/A	0.00%
Debt to Equity	0.00%	8.19%
Free Cash Flow Yield	-3.84%	-19.33%
P/S Ratio	N/A	0.39
P/B Ratio	6.52	N/A

Market Cap

Winner

SION

$1.88B

AHL-P-D

$1.87B

Max Drawdown

SION

69.36%

Winner

AHL-P-D

60.32%

Sharpe Ratio

Winner

SION

1.46

AHL-P-D

-0.10

5Y Beta

SION

0.92

Winner

AHL-P-D

0.29

Industry

SION

Biotechnology

AHL-P-D

Insurance - Property & Casualty

P/E Ratio

Winner

SION

-21.73

AHL-P-D

-4.22

5Y Dividends CAGR

SION

N/A

AHL-P-D

0.00%

Debt to Equity

Winner

SION

0.00%

AHL-P-D

8.19%

Free Cash Flow Yield

Winner

SION

-3.84%

AHL-P-D

-19.33%

P/S Ratio

SION

N/A

AHL-P-D

0.39

P/B Ratio

SION

6.52

AHL-P-D

N/A

SION vs AHL-P-D - Historical Returns

Returns include dividend reinvestment.

Period	SION	AHL-P-D
1 month	+20.59%	-3.53%
3 months	+8.64%	-5.99%
6 months	+12.19%	-2.36%
1 year	+110.78%	+0.98%
5 years(CAGR)	N/A	-1.06%
10 years(CAGR)	N/A	+3.38%
Max(CAGR)	+49.89%	+3.38%

Winner

SION

+20.59%

AHL-P-D

-3.53%

Winner

SION

+8.64%

AHL-P-D

-5.99%

Winner

SION

+12.19%

AHL-P-D

-2.36%

Winner

SION

+110.78%

AHL-P-D

+0.98%

5Y(CAGR)

SION

N/A

AHL-P-D

-1.06%

10Y(CAGR)

SION

N/A

AHL-P-D

+3.38%

Max(CAGR)

Winner

SION

+49.89%

AHL-P-D

+3.38%

SION vs AHL-P-D - Annual Returns (2016 - 2026)

Returns include dividend reinvestment.

Year	SION	AHL-P-D
2026	+12.19%	-2.36%
2025	+64.56%	+0.95%
2024	N/A	+4.40%
2023	N/A	+19.29%
2022	N/A	-26.35%
2021	N/A	+5.68%
2020	N/A	+4.89%
2019	N/A	+37.25%
2018	N/A	-15.19%
2017	N/A	+21.11%
2016	N/A	-9.35%

SION vs AHL-P-D Drawdown Comparison

The maximum drawdown for SION was -69.36%, occurring on Apr 10, 2025. Recovery took 137 trading sessions.

The maximum drawdown for AHL-P-D was -59.71%, occurring on Mar 18, 2020. Recovery took 169 trading sessions.

The current SION drawdown is -4.27%. The current AHL-P-D drawdown is -11.80%.

Rank	SION	AHL-P-D
#1	-69.36% Feb 7, 2025 - Aug 26, 2025	-59.71% Feb 5, 2020 - Oct 6, 2020
#2	-27.07% May 11, 2026 - Jun 8, 2026	-31.67% Aug 5, 2021 - Aug 27, 2025
#3	-23.74% Feb 3, 2026 - Apr 15, 2026	-20.52% Dec 7, 2017 - Apr 1, 2019
#4	-19.06% Oct 21, 2025 - Nov 21, 2025	-16.25% Sep 30, 2016 - May 31, 2017
#5	-18.12% Nov 24, 2025 - Feb 3, 2026	-12.97% Apr 30, 2026 - Jun 26, 2026
#6	-17.26% Apr 16, 2026 - May 11, 2026	-10.32% Oct 2, 2025 - Apr 30, 2026
#7	-15.94% Aug 28, 2025 - Sep 22, 2025	-7.63% Jul 31, 2017 - Nov 24, 2017
#8	-5.53% Oct 3, 2025 - Oct 15, 2025	-5.38% Dec 17, 2020 - Mar 30, 2021
#9	-3.56% Sep 29, 2025 - Oct 3, 2025	-4.97% Oct 7, 2020 - Nov 16, 2020
#10	-2.41% Oct 16, 2025 - Oct 21, 2025	-4.90% Apr 15, 2021 - Jun 18, 2021
#11	-0.36% Aug 26, 2025 - Aug 28, 2025	-3.11% Aug 27, 2025 - Sep 12, 2025
#12	N/A	-2.90% Nov 19, 2020 - Dec 14, 2020
#13	N/A	-2.67% Jul 19, 2019 - Aug 15, 2019
#14	N/A	-2.62% Jul 7, 2021 - Jul 30, 2021
#15	N/A	-2.30% Sep 16, 2025 - Oct 1, 2025

Correlation

Correlation between SION and AHL-P-D is 0.58 which considered as a moderate positive correlation - the stocks show some tendency to move together.

0.58

-101