Prothena (PRTA) - Net assets

Net assets on the balance sheet as of September 2025 : HK$2.29 Billion

According to Prothena's latest financial reports the company has HK$2.29 Billion in net assets.
A company’s net assets is the sum of its assets minus the sum of its liabilities.

Prothena - Net assets on balance sheet (from 2012 to 2025)

Net assets by year

Year	Net assets	Change
2024-12-31	$HK$3.78 B	-13.78%
2023-12-31	$HK$4.38 B	-9.79%
2022-12-31	$HK$4.86 B	33.74%
2021-12-31	$HK$3.63 B	154.76%
2020-12-31	$HK$1.42 B	-32.89%
2019-12-31	$HK$2.12 B	-15.97%
2018-12-31	$HK$2.52 B	-20.49%
2017-12-31	$HK$3.18 B	12.27%
2016-12-31	$HK$2.83 B	1.36%
2015-12-31	$HK$2.79 B	24.32%
2014-12-31	$HK$2.24 B	67.35%
2013-12-31	$HK$1.34 B	37.05%
2012-12-31	$HK$0.98 B	-2061.29%
2011-12-31	$-HK$49.99 Million

Net assets for similar companies or competitors

Company	Net assets	differencediff.	Country
Alkermes ALKS	HK$13.49 B	487.63%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	HK$1.82 B	-20.71%	🇺🇸 USA
Amarin Corporation AMRN	HK$3.57 B	55.56%	🇮🇪 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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