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SIXB
Materials
SIXB
Materials
SIXB
+1.26%
1,110.54
+13.82
+1.26%
—1,096.721,098.741,113.821,098.74——
SIXC
Communications
SIXC
Communications
SIXC
-1.21%
603.93
-7.39
-1.21%
—611.32611.32611.32603.33——
SIXE
Energy
SIXE
Energy
SIXE
+2.36%
1,199.24
+27.70
+2.36%
—1,171.541,176.151,202.381,176.15——
SIXI
Industrials
SIXI
Industrials
SIXI
+0.97%
1,764.58
+16.95
+0.97%
—1,747.631,747.671,770.511,744.43——
SIXM
Financials
SIXM
Financials
SIXM
-0.25%
629.90
-1.59
-0.25%
—631.49631.23633.90627.95——
SIXR
Staples
SIXR
Staples
SIXR
-1.35%
838.46
-11.48
-1.35%
—849.94850.23850.23836.20——
SIXRE
Real estate
SIXRE
Real estate
SIXRE
+0.07%
218.22
+0.16
+0.07%
—218.06218.06219.96218.02——
SIXT
Technology
SIXT
Technology
SIXT
+1.22%
3,579.29
+43.26
+1.22%
—3,536.033,549.423,590.523,543.38——
SIXU
Utilities
SIXU
Utilities
SIXU
+0.97%
913.88
+8.79
+0.97%
—905.07908.07916.83907.68——
SIXV
Health care
SIXV
Health care
SIXV
-0.55%
1,441.92
-7.94
-0.55%
—1,449.861,451.341,464.451,440.75——
SIXY
Discretionary
SIXY
Discretionary
SIXY
-0.62%
2,415.38
-15.09
-0.62%
—2,430.472,415.842,422.952,396.14——
Q1 2026 earnings • released • EPS beat +324.00% • Revenue beat +∞%
See results
PRTA:NASDAQ
Prothena Corporation PLC
$9.52
-11.28%
(-1.21) 1D
May 11, 3:20:46 PM GMT-4  ·   USD
All symbols
SymbolPriceChange% Change
Generating top insights for PRTA...
Open
$10.79
High
$10.88
Low
$9.46
Mkt. cap
506.26M
Avg. vol.
443.44K
Volume
608.10K
52-wk high
$11.80
52-wk low
$4.32
EPS
-$2.81
Beta
-0.23
Shares outstanding
52.35M
No. of employees
67
News stories
From sources across the web
About Prothena Corporation PLC
CEO-
Employees67
Founded2012
Headquarters-
SectorBiotechnology
Websiteprothena.com
Last report
May 7, 2026
Fiscal Period
Q1 2026
EPS / Est. (USD)
$0.68 / -$0.30
+324.00%beat
Revenue / Est. (USD)
51.08M / 0.00
+∞%beat
Fiscal Q1 2026 earnings call
Waiting for the earnings call
At a glance
Insights from the latest news and reports
Previous reportsAll values in USD
Loading Previous Earnings...
Income statement
Revenue
Net income
All values in USD
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Revenue
4.42M
2.42M
21.00K
51.08M
Cost of goods sold
40.52M
28.94M
14.59M
-
Cost of revenue
40.52M
28.94M
14.59M
-
Research and development expenses
-
-
-
-
Total research and development expenses
-
-
-
-
Selling, general, and admin expenses
15.91M
13.24M
12.65M
12.67M
Operating expense
15.91M
13.24M
12.65M
25.29M
Total operating expenses
56.43M
42.18M
27.23M
25.29M
Operating income
-52.01M
-39.76M
-27.21M
25.79M
Other non operating income
-
-
-
-
EBT including unusual items
-80.96M
-36.91M
-21.58M
32.72M
EBT excluding unusual items
-48.36M
-36.43M
-24.59M
28.48M
Income tax expense
44.80M
-371.00K
10.00K
1.00K
Effective tax rate
-55.34%
1.00%
-0.05%
-
Other operating expenses
-
-
-
-
Net income
-125.77M
-36.54M
-21.59M
32.72M
Net profit margin
-2,845.41%
-1,513.08%
-102,804.76%
64.05%
Earnings per share
-1.73
-0.67
-0.46
0.68
Interest and investment income
3.79M
3.35M
2.65M
2.42M
Interest expense
-
-
-
-
Net interest expenses
3.79M
3.35M
2.65M
2.42M
Depreciation and amortization charges
-
-
-
-
EBITDA
-51.78M
-39.53M
-26.99M
25.98M
Gain or loss from assets sale
-
1.00K
101.00K
-
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