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Prothena (PRTA)
NASDAQ:PRTA
US Market

Prothena (PRTA) Income Statement

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Prothena Income Statement

Last quarter (Q3 2025), Prothena's total revenue was $2.42M, an increase of 148.97% from the same quarter last year. In Q3, Prothena's net income was $-36.54M. See Prothena’s key income statements, including revenue, expenses, profit, and income.
Income Statement
Dec 24Dec 23Dec 22Dec 21Dec 20
Total Revenue
$ 135.16M$ 91.37M$ 53.91M$ 200.58M$ 853.00K
Gross Profit
$ 135.16M$ 91.37M$ 53.91M$ 200.58M$ -74.03M
Operating Expenses
$ 289.72M$ 282.41M$ 185.46M$ 128.60M$ 38.70M
Depreciation and Amortization
$ 893.00K$ 928.00K$ 744.00K$ 1.11M$ 1.51M
EBITDA
$ -153.67M$ -190.11M$ -130.81M$ 73.09M$ -111.22M
Operating Income
$ -154.56M$ -191.04M$ -131.56M$ 71.97M$ -112.73M
Other Income/Expenses
$ 25.63M$ 30.56M$ 5.95M$ -54.00K$ 1.87M
Pretax Income
$ -128.93M$ -160.48M$ -125.61M$ 71.92M$ -110.86M
Net Income
$ -122.31M$ -147.03M$ -116.95M$ 66.97M$ -111.14M
Per Share Metrics
Basic EPS
$ -2.27$ -2.76$ -2.47$ 1.51$ -2.78
Diluted EPS
$ -2.27$ -2.76$ -2.47$ 1.38$ -2.78
Weighted Average Shares Outstanding
53.77M 53.22M 47.37M 44.23M 39.91M
Weighted Average Shares Outstanding (Diluted)
53.77M 53.22M 47.37M 48.46M 39.91M
Currency in USD

Prothena Earnings and Revenue History