Prothena Corp Public annual operating margin
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2025
Prothena Corp Public Operating Margin Growth & History (PRTA)
Prothena Corp Public's operating margin was −2,216.44% for fiscal 2025.
View full Prothena Corp Public company overviewProthena Corp Public annual operating margin history
| Fiscal year | Period ended | Operating margin | Change (percentage points) |
|---|---|---|---|
| 2025 | 2025-12-31 | −2,216.44% | −2102.08 pp |
| 2024 | 2024-12-31 | −114.36% | +94.72 pp |
| 2023 | 2023-12-31 | −209.08% | +34.97 pp |
| 2022 | 2022-12-31 | −244.05% | −279.94 pp |
| 2021 | 2021-12-31 | 35.88% | +13252.06 pp |
| 2020 | 2020-12-31 | −13,216.18% | −2688.29 pp |
| 2019 | 2019-12-31 | −10,527.89% | +6106.14 pp |
| 2018 | 2018-12-31 | −16,634.03% | −16069.86 pp |
| 2017 | 2017-12-31 | −564.17% | +14557.63 pp |
| 2016 | 2016-12-31 | −15,121.80% | −10147.50 pp |
| 2015 | 2015-12-31 | −4,974.30% | −4961.23 pp |
| 2014 | 2014-12-31 | −13.07% | +5967.25 pp |
| 2013 | 2013-12-31 | −5,980.33% | −4422.39 pp |
| 2012 | 2012-12-31 | −1,557.94% | — |
Prothena Corp Public quarterly operating margin
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Q2.15
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Q2.26
| Fiscal quarter | Period ended | Operating margin | Change (percentage points) |
|---|---|---|---|
| Q2 2026 | 2026-06-30 | −2,089.21% | −174.82 pp |
| Q1 2026 | 2026-03-31 | 58.80% | +2377.78 pp |
| Q4 2025 | 2025-12-31 | −115,252.38% | −112195.53 pp |
| Q3 2025 | 2025-09-30 | −1,666.25% | +5190.76 pp |
| Q2 2025 | 2025-06-30 | −1,914.39% | −1958.61 pp |
| Q1 2025 | 2025-03-31 | −2,318.99% | +160737.01 pp |
| Q4 2024 | 2024-12-31 | −3,056.85% | +21789.67 pp |
| Q3 2024 | 2024-09-30 | −6,857.01% | −6869.16 pp |
| Q2 2024 | 2024-06-30 | 44.22% | +1698.96 pp |
| Q1 2024 | 2024-03-31 | −163,056.00% | −160459.18 pp |
| Q4 2023 | 2023-12-31 | −24,846.52% | −24846.37 pp |
| Q3 2023 | 2023-09-30 | 12.15% | +3330.01 pp |
| Q2 2023 | 2023-06-30 | −1,654.74% | +1638.63 pp |
| Q1 2023 | 2023-03-31 | −2,596.82% | +694.07 pp |
| Q4 2022 | 2022-12-31 | −0.14% | +2823.41 pp |
| Q3 2022 | 2022-09-30 | −3,317.86% | −3396.35 pp |
| Q2 2022 | 2022-06-30 | −3,293.37% | −3339.90 pp |
| Q1 2022 | 2022-03-31 | −3,290.89% | +16777.23 pp |
| Q4 2021 | 2021-12-31 | −2,823.55% | +5595.34 pp |
| Q3 2021 | 2021-09-30 | 78.48% | +19725.62 pp |
| Q2 2021 | 2021-06-30 | 46.53% | +13755.24 pp |
| Q1 2021 | 2021-03-31 | −20,068.13% | −2445.43 pp |
| Q4 2020 | 2020-12-31 | −8,418.89% | +672.52 pp |
| Q3 2020 | 2020-09-30 | −19,647.13% | −9416.89 pp |
| Q2 2020 | 2020-06-30 | −13,708.72% | −2632.67 pp |
| Q1 2020 | 2020-03-31 | −17,622.70% | −5281.83 pp |
| Q4 2019 | 2019-12-31 | −9,091.41% | +2637.98 pp |
| Q3 2019 | 2019-09-30 | −10,230.24% | −691.81 pp |
| Q2 2019 | 2019-06-30 | −11,076.05% | +11529.33 pp |
| Q1 2019 | 2019-03-31 | −12,340.86% | +9116.41 pp |
| Q4 2018 | 2018-12-31 | −11,729.38% | +8933.06 pp |
| Q3 2018 | 2018-09-30 | −9,538.43% | +14906.32 pp |
| Q2 2018 | 2018-06-30 | −22,605.38% | −22537.75 pp |
| Q1 2018 | 2018-03-31 | −21,457.27% | −7453.02 pp |
| Q4 2017 | 2017-12-31 | −20,662.45% | +8154.51 pp |
| Q3 2017 | 2017-09-30 | −24,444.75% | −9518.87 pp |
| Q2 2017 | 2017-06-30 | −67.63% | +11992.43 pp |
| Q1 2017 | 2017-03-31 | −14,004.25% | −3660.85 pp |
| Q4 2016 | 2016-12-31 | −28,816.96% | −20930.31 pp |
| Q3 2016 | 2016-09-30 | −14,925.87% | −9643.59 pp |
| Q2 2016 | 2016-06-30 | −12,060.06% | −5572.65 pp |
| Q1 2016 | 2016-03-31 | −10,343.40% | −7808.99 pp |
| Q4 2015 | 2015-12-31 | −7,886.64% | −7235.63 pp |
| Q3 2015 | 2015-09-30 | −5,282.28% | −4398.57 pp |
| Q2 2015 | 2015-06-30 | −6,487.41% | −6497.79 pp |
| Q1 2015 | 2015-03-31 | −2,534.40% | −2590.30 pp |
| Q4 2014 | 2014-12-31 | −651.02% | +5757.36 pp |
| Q3 2014 | 2014-09-30 | −883.71% | +4710.44 pp |
| Q2 2014 | 2014-06-30 | 10.38% | +6712.17 pp |
| Q1 2014 | 2014-03-31 | 55.90% | +5299.76 pp |
| Q4 2013 | 2013-12-31 | −6,408.38% | — |
| Q3 2013 | 2013-09-30 | −5,594.15% | — |
| Q2 2013 | 2013-06-30 | −6,701.80% | — |
| Q1 2013 | 2013-03-31 | −5,243.86% | — |
Prothena Corp Public operating margin trends
Over the last five reported fiscal years, Prothena Corp Public's operating margin increased from −13,216.18% to −2,216.44%, a change of +10999.74 percentage points. The latest reported quarter, Q2 2026, shows −2,089.21%.
About the metric
What operating margin means
Operating margin measures the percentage of revenue left after operating costs and expenses. It shows how much operating profit a company generates from each dollar of revenue.
Calculation and source
How operating margin is calculated
TickerStat calculates operating margin as SEC-reported operating income divided by SEC-reported revenue for the same fiscal period. Changes are shown in percentage points. Fiscal periods can differ from calendar years, so exact period-end dates are included.
Review Prothena Corp Public filings at SEC.gov ↗