QSEA vs ADAP

Comparison between Quartzsea Acquisition Corp (QSEA, Company) and Adaptimmune Therapeutics plc American Depositary Shares (ADAP, Company).

QSEA is from the Financial Services sector, while ADAP is from the Healthcare sector.

QSEA vs ADAP - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	QSEA(COMPANY)	ADAP(COMPANY)
Market Cap	$87M	$87M
Max Drawdown	0.77%	99.81%
Sharpe Ratio	0.38	-0.21
5Y Beta	-0.01	N/A
Industry	Shell Companies	Biotechnology
P/E Ratio	131.18	-0.50
Debt to Equity	0.00%	423.98%
Free Cash Flow Yield	-1.45%	N/A
P/S Ratio	N/A	1.39
P/B Ratio	1.47	-1.23

Market Cap

Winner

QSEA

$87M

ADAP

$87M

Max Drawdown

Winner

QSEA

0.77%

ADAP

99.81%

Sharpe Ratio

Winner

QSEA

0.38

ADAP

-0.21

5Y Beta

QSEA

-0.01

ADAP

N/A

Industry

QSEA

Shell Companies

ADAP

Biotechnology

P/E Ratio

QSEA

131.18

Winner

ADAP

-0.50

Debt to Equity

Winner

QSEA

0.00%

ADAP

423.98%

Free Cash Flow Yield

QSEA

-1.45%

ADAP

N/A

P/S Ratio

QSEA

N/A

ADAP

1.39

P/B Ratio

QSEA

1.47

Winner

ADAP

-1.23

QSEA vs ADAP - Historical Returns

Returns include dividend reinvestment.

Period	QSEA	ADAP
1 month	+0.57%	-62.65%
3 months	+1.84%	-45.10%
6 months	+2.94%	-80.19%
1 year	+4.68%	-92.55%
5 years(CAGR)	N/A	-59.08%
10 years(CAGR)	N/A	-40.87%
Max(CAGR)	+4.65%	-41.82%

Winner

QSEA

+0.57%

ADAP

-62.65%

Winner

QSEA

+1.84%

ADAP

-45.10%

Winner

QSEA

+2.94%

ADAP

-80.19%

Winner

QSEA

+4.68%

ADAP

-92.55%

5Y(CAGR)

QSEA

N/A

ADAP

-59.08%

10Y(CAGR)

QSEA

N/A

ADAP

-40.87%

Max(CAGR)

Winner

QSEA

+4.65%

ADAP

-41.82%

QSEA vs ADAP - Annual Returns (2015 - 2026)

Returns include dividend reinvestment.

Year	QSEA	ADAP
2026	+2.83%	N/A
2025	+2.30%	-91.19%
2024	N/A	-27.79%
2023	N/A	-52.51%
2022	N/A	-64.04%
2021	N/A	-37.60%
2020	N/A	+341.80%
2019	N/A	-78.34%
2018	N/A	-19.01%
2017	N/A	+62.14%
2016	N/A	-65.74%
2015	N/A	-24.62%

QSEA vs ADAP Drawdown Comparison

The maximum drawdown for QSEA was -0.77%, occurring on Nov 28, 2025. Recovery took 10 trading sessions.

The maximum drawdown for ADAP was -99.81%, occurring on Sep 5, 2025. This drawdown has not yet recovered.

The current ADAP drawdown is -99.74%.

Rank	QSEA	ADAP
#1	-0.77% Nov 25, 2025 - Dec 10, 2025	-99.81% Jun 16, 2015 - Sep 5, 2025
#2	-0.59% Jul 21, 2025 - Oct 9, 2025	-14.05% May 7, 2015 - Jun 11, 2015
#3	-0.50% Jun 11, 2025 - Jul 10, 2025	N/A
#4	-0.39% Jan 20, 2026 - Feb 4, 2026	N/A
#5	-0.38% Apr 21, 2026 - May 5, 2026	N/A
#6	-0.38% May 11, 2026 - May 13, 2026	N/A
#7	-0.29% Dec 10, 2025 - Jan 5, 2026	N/A
#8	-0.29% Jan 5, 2026 - Jan 13, 2026	N/A
#9	-0.29% Feb 25, 2026 - Mar 6, 2026	N/A
#10	-0.29% May 13, 2026 - May 26, 2026	N/A
#11	-0.29% Mar 20, 2026 - Mar 26, 2026	N/A
#12	-0.24% May 26, 2026 - May 29, 2026	N/A
#13	-0.20% May 12, 2025 - May 27, 2025	N/A
#14	-0.20% Jul 10, 2025 - Jul 18, 2025	N/A
#15	-0.20% Nov 19, 2025 - Nov 25, 2025	N/A

Correlation

Correlation between QSEA and ADAP is -0.90 which considered as a very strong negative correlation - the stocks move almost identically in opposite directions.

-0.90

-101