Prothena (PRTA) - Net Assets

Net assets on the balance sheet as of September 2025 : A$0.44 Billion

According to Prothena's latest financial reports the company has A$0.44 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	$A$0.78 B	-4.99%
2023-12-31	$A$0.82 B	-9.86%
2022-12-31	$A$0.91 B	42.2%
2021-12-31	$A$0.64 B	168.63%
2020-12-31	$A$0.23 B	-38.61%
2019-12-31	$A$0.38 B	-14.98%
2018-12-31	$A$0.45 B	-12.09%
2017-12-31	$A$0.52 B	2.89%
2016-12-31	$A$0.50 B	2.39%
2015-12-31	$A$0.49 B	39.77%
2014-12-31	$A$0.35 B	82.35%
2013-12-31	$A$0.19 B	59.6%
2012-12-31	$A$0.12 B	-2039.06%
2011-12-31	$-A$6.28 Million

Net assets for similar companies or competitors

Company	Net assets	differencediff.	Country
Alkermes ALKS	A$2.62 B	487.63%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	A$0.35 B	-20.71%	🇺🇸 USA
Amarin Corporation AMRN	A$0.69 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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Prothena (PRTA) - Net assets

Net assets on the balance sheet as of September 2025 : A$0.44 Billion