Prothena (PRTA) - Total debt

Total debt on the balance sheet as of September 2025 : £6.81 Million

According to Prothena's latest financial reports the company's total debt is £6.81 Million. A company’s total debt is the sum of all current and non-current debts.

Prothena - Total debt on balance sheet (from 2015 to 2025)

Total debt by year

Year	Total debt	Change
2024-12-31	£8.64 M	-6.99%
2023-12-31	£9.28 M	73.62%
2022-12-31	£5.35 M	-41.41%
2021-12-31	£9.13 M	-30.22%
2020-12-31	£13.08 M	-25.19%
2019-12-31	£17.49 M	-56.92%
2018-12-31	£40.6 M	5.04%
2017-12-31	£38.65 M	-7.05%
2016-12-31	£41.59 M
2015-12-31	N/A

Total debt for similar companies or competitors

Company	Total debt/th>	differencediff.	Country
Alkermes ALKS	£53.74 M	688.35%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	£0.98 B	14,307.07%	🇺🇸 USA
Amarin Corporation AMRN	£5.05 M	-25.89%	🇮🇪 Ireland

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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