PROTHENA CORPORATION PUBLIC LIMITED COMPANY (PRTA) EBITDA
- 2026-06-30: Basis Reported; EBITDA -$20.90M*; Operating income -$21.10M; Depreciation and amortization $197.00K*.
- 2026-03-31: Basis Reported; EBITDA $30.22M; Operating income (m); Depreciation and amortization (m).
- 2025-12-31: Basis Reported; EBITDA -$23.99M; Operating income (m); Depreciation and amortization (m).
- 2025-09-30: Basis Reported; EBITDA -$40.01M*; Operating income -$40.24M; Depreciation and amortization $229.00K*.
Complete source-backed ebitda history.
- Available history
- 2011-12-31 to 2026-03-31
- Data captured
Historical EBITDA
EBITDA 3 month
| Date | Basis | EBITDA | Operating income | Depreciation and amortization | Revenue | EBITDA margin | Capital spending | Operating cash flow | Cost of products and services | Research and development | Selling, general and administration | Income tax expense / benefit |
|---|
| 2026-06-30 | Reported | -$20.90M* | -$21.10M | $197.00K* | $1.01M | -2069.70%* | (m) | -$25.05M* | (m) | $8.80M | (m) | $2.00K |
|---|
| 2026-03-31 | Reported | $30.22M | (m) | (m) | (m) | 59.16% | (m) | $28.88M | (m) | $12.63M | (m) | $1.00K |
|---|
| 2025-12-31 | Reported | -$23.99M | (m) | (m) | (m) | -114214.29% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2025-09-30 | Reported | -$40.01M* | -$40.24M | $229.00K* | $2.42M | -1656.77%* | (m) | -$40.56M* | (m) | $28.94M | (m) | -$371.00K |
|---|
| 2025-06-30 | Reported | -$84.39M* | -$84.62M | $225.00K* | $4.42M | -1909.30%* | (m) | -$46.34M* | (m) | $40.52M | (m) | $44.80M |
|---|
| 2025-03-31 | Reported | -$65.36M | (m) | (m) | (m) | -2311.10% | (m) | -$53.36M | (m) | $50.81M | (m) | -$1.18M |
|---|
| 2024-12-31 | Reported | -$64.68M | (m) | (m) | (m) | -3046.44% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2024-09-30 | Reported | -$66.29M* | -$66.51M | $226.00K* | $970.00K | -6833.71%* | (m) | -$45.19M* | (m) | $50.72M | (m) | -$835.00K |
|---|
| 2024-06-30 | Reported | $58.61M* | $58.38M | $231.00K* | $132.01M | 44.40%* | (m) | $15.96M* | (m) | $57.51M | (m) | -$2.04M |
|---|
| 2024-03-31 | Reported | -$81.31M | (m) | (m) | (m) | -162626.00% | (m) | -$73.05M | (m) | $64.11M | (m) | -$2.20M |
|---|
| 2023-12-31 | Reported | -$78.24M | (m) | (m) | (m) | -24759.18% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2023-09-30 | Reported | $10.54M* | $10.31M | $229.00K* | $84.87M | 12.42%* | (m) | $9.52M* | (m) | $57.91M | (m) | -$3.09M |
|---|
| 2023-06-30 | Reported | -$66.28M* | -$66.50M | $222.00K* | $4.02M | -1649.22%* | (m) | -$44.93M* | (m) | $56.01M | (m) | -$4.31M |
|---|
| 2023-03-31 | Reported | -$56.12M | (m) | (m) | (m) | -2587.55% | (m) | -$47.46M | (m) | $44.76M | (m) | -$2.91M |
|---|
| 2022-12-31 | Reported | $124,000.00 | (m) | (m) | (m) | 0.25% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2022-09-30 | Reported | -$50.15M* | -$50.33M | $182.00K* | $1.52M | -3305.87%* | (m) | -$31.17M* | (m) | $39.86M | (m) | -$2.65M |
|---|
| 2022-06-30 | Reported | -$43.02M* | -$43.21M | $184.00K* | $1.31M | -3279.34%* | (m) | -$35.26M* | (m) | $31.57M | (m) | -$1.33M |
|---|
| 2022-03-31 | Reported | -$37.76M | (m) | (m) | (m) | -3275.11% | (m) | -$37.41M | (m) | $27.26M | (m) | -$1.67M |
|---|
| 2021-12-31 | Reported | -$32.85M | (m) | (m) | (m) | -2803.07% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2021-09-30 | Reported | $109.51M* | $109.23M | $280.00K* | $139.17M | 78.68%* | (m) | $112.11M* | (m) | $17.99M | (m) | -$51.00K |
|---|
| 2021-06-30 | Reported | $28.24M* | $27.95M | $291.00K* | $60.07M | 47.01%* | (m) | $36.62M* | (m) | $21.09M | (m) | $254.00K |
|---|
| 2021-03-31 | Reported | -$31.81M | (m) | (m) | (m) | -19878.13% | (m) | -$33.67M | (m) | $21.14M | (m) | $4.66M |
|---|
| 2020-12-31 | Reported | -$29.95M | (m) | (m) | (m) | -8318.33% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2020-09-30 | Reported | -$30.46M* | -$30.85M | $387.00K* | $157.00K | -19400.64%* | (m) | -$19.40M* | (m) | $21.61M | (m) | -$215.00K |
|---|
| 2020-06-30 | Reported | -$26.35M* | -$26.73M | $381.00K* | $195.00K | -13513.33%* | (m) | -$18.70M* | (m) | $17.27M | (m) | -$255.00K |
|---|
| 2020-03-31 | Reported | -$24.46M | (m) | (m) | (m) | -17350.35% | (m) | -$23.17M | (m) | $15.25M | (m) | -$166.00K |
|---|
| 2019-12-31 | Reported | -$22.87M | (m) | (m) | (m) | -8935.16% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2019-09-30 | Reported | -$20.58M* | -$20.97M | $392.00K* | $205.00K | -10039.02%* | (m) | -$8.94M* | (m) | $12.49M | (m) | $468.00K |
|---|
| 2019-06-30 | Reported | -$18.11M* | -$18.50M | $387.00K* | $167.00K | -10844.31%* | (m) | -$12.10M* | (m) | $9.58M | (m) | -$156.00K |
|---|
| 2019-03-31 | Reported | -$22.57M | (m) | (m) | (m) | -12133.87% | (m) | -$17.43M | (m) | $13.30M | (m) | $198.00K |
|---|
| 2018-12-31 | Reported | -$21.93M | (m) | (m) | (m) | -11303.61% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2018-09-30 | Reported | -$23.53M* | -$24.32M | $794.00K* | (m) | (m) | (m) | -$33.57M* | (m) | $18.52M | (m) | $962.00K |
|---|
| 2018-06-30 | Reported | -$62.27M* | -$63.07M | $799.00K* | (m) | (m) | (m) | $58.13M* | (m) | $31.45M | (m) | -$1.95M |
|---|
| 2018-03-31 | Reported | -$47.91M | (m) | (m) | (m) | -21106.17% | (m) | -$31.58M | (m) | $34.71M | (m) | -$37.00K |
|---|
| 2017-12-31 | Reported | -$46.54M | (m) | (m) | (m) | -20320.96% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2017-09-30 | Reported | -$52.77M* | -$53.53M | $767.00K* | (m) | (m) | (m) | -$17.74M* | (m) | $41.31M | (m) | -$1.71M |
|---|
| 2017-06-30 | Reported | -$17.37M* | -$18.13M | $759.00K* | (m) | (m) | (m) | -$36.08M* | (m) | $34.03M | (m) | -$1.29M |
|---|
| 2017-03-31 | Reported | -$35.51M | (m) | (m) | (m) | -13711.20% | (m) | -$37.84M | (m) | $25.70M | (m) | -$1.66M |
|---|
| 2016-12-31 | Reported | -$48.36M | (m) | (m) | (m) | -28280.12% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2016-09-30 | Reported | -$41.86M* | -$42.69M | $830.00K* | (m) | (m) | (m) | -$30.06M* | (m) | $26.84M | (m) | $421.00K |
|---|
| 2016-06-30 | Reported | -$39.73M* | -$40.16M | $428.00K* | (m) | (m) | (m) | -$27.33M* | (m) | $32.36M | (m) | $189.00K |
|---|
| 2016-03-31 | Reported | -$27.16M | (m) | (m) | (m) | -10248.68% | (m) | -$25.06M | (m) | $20.49M | (m) | $181.00K |
|---|
| 2015-12-31 | Reported | -$23.99M | (m) | (m) | (m) | -7815.64% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2015-09-30 | Reported | -$22.46M* | -$22.66M | $200.00K* | (m) | (m) | (m) | -$16.91M* | (m) | $17.18M | (m) | $238.00K |
|---|
| 2015-06-30 | Reported | -$17.84M* | -$18.04M | $195.00K* | (m) | (m) | (m) | -$11.14M* | (m) | $12.79M | (m) | $195.00K |
|---|
| 2015-03-31 | Reported | -$14.84M | (m) | (m) | (m) | -2501.85% | (m) | -$14.72M | (m) | $10.57M | (m) | $266.00K |
|---|
| 2014-12-31 | Reported | -$12.91M | (m) | (m) | (m) | -641.38% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2014-09-30 | Reported | -$12.93M | (m) | (m) | (m) | -870.26% | (m) | -$12.27M* | (m) | $10.39M | (m) | $241.00K |
|---|
| 2014-06-30 | Reported | $1.77M | (m) | (m) | (m) | 11.70% | (m) | $6.21M* | (m) | $8.62M | (m) | $296.00K |
|---|
| 2014-03-31 | Reported | $18.19M | (m) | (m) | (m) | 56.44% | (m) | $17.89M | (m) | $9.34M | (m) | $151.00K |
|---|
| 2013-12-31 | Reported | -$10.47M | (m) | (m) | (m) | -6269.46% | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2013-09-30 | Reported | -$9.47M | (m) | (m) | (m) | -5535.67% | (m) | -$10.30M* | (m) | $6.35M | (m) | $137.00K |
|---|
| 2013-06-30 | Reported | -$10.99M | (m) | (m) | (m) | -6582.04% | (m) | -$6.86M* | (m) | $8.15M | (m) | $124.00K |
|---|
| 2013-03-31 | Reported | -$8.83M | (m) | (m) | (m) | -5163.74% | $110.00K | -$5.10M | (m) | $5.96M | (m) | $6.00K |
|---|
| 2012-12-31 | Reported | -$12.06M | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
|---|
| 2012-09-30 | Reported | -$8.59M* | -$8.67M | $78.00K* | (m) | (m) | (m) | -$7.45M* | (m) | $7.53M | (m) | $0.00 |
|---|
| 2012-06-30 | Reported | -$9.60M* | -$9.71M | $115.00K* | (m) | (m) | (m) | -$10.36M* | (m) | $8.02M | (m) | (m) |
|---|
| 2012-03-31 | Reported | -$10.7M | (m) | (m) | (m) | (m) | $137.00K | -$8.62M | (m) | $8.76M | (m) | (m) |
|---|
EBITDA 12 month
| Date | Basis | EBITDA | Operating income | Depreciation and amortization | Revenue | EBITDA margin | Capital spending | Operating cash flow | Cost of products and services | Research and development | Selling, general and administration | Income tax expense / benefit |
|---|
| 2025-12-31 | Reported | -$213.75M | (m) | (m) | (m) | -2207.20% | (m) | -$163.58M | (m) | $134.85M | (m) | $43.26M |
|---|
| 2024-12-31 | Reported | -$153.67M | (m) | (m) | (m) | -113.70% | (m) | -$150.05M | (m) | $222.52M | (m) | -$6.62M |
|---|
| 2023-12-31 | Reported | -$190.11M | (m) | (m) | (m) | -208.06% | (m) | -$133.91M | (m) | $220.57M | (m) | -$13.45M |
|---|
| 2022-12-31 | Reported | -$130.81M | (m) | (m) | (m) | -242.67% | (m) | -$108.82M | (m) | $135.56M | (m) | -$8.66M |
|---|
| 2021-12-31 | Reported | $73.09M | (m) | (m) | (m) | 36.44% | (m) | $92.61M | (m) | $82.28M | (m) | $4.95M |
|---|
| 2020-12-31 | Reported | -$111.22M | (m) | (m) | (m) | -13038.69% | (m) | -$80.36M | (m) | $74.88M | (m) | -$283.00K |
|---|
| 2019-12-31 | Reported | -$84.13M | (m) | (m) | (m) | -10335.75% | (m) | -$52.97M | (m) | $50.84M | (m) | $379.00K |
|---|
| 2018-12-31 | Reported | -$155.64M | (m) | (m) | (m) | -16297.28% | (m) | -$28.28M | (m) | $101.18M | (m) | -$470.00K |
|---|
| 2017-12-31 | Reported | -$152.19M | (m) | (m) | (m) | -553.03% | (m) | -$131.18M | (m) | $134.55M | (m) | -$4.37M |
|---|
| 2016-12-31 | Reported | -$157.11M | (m) | (m) | (m) | -14891.75% | (m) | -$116.25M | (m) | $119.53M | (m) | $1.14M |
|---|
| 2015-12-31 | Reported | -$79.13M | (m) | (m) | (m) | -4924.14% | (m) | -$58.60M | (m) | $58.44M | (m) | $701.00K |
|---|
| 2014-12-31 | Reported | -$5.91M | (m) | (m) | (m) | -11.61% | (m) | -$683.00K | (m) | $38.45M | (m) | $811.00K |
|---|
| 2013-12-31 | Reported | -$39.77M | (m) | (m) | (m) | -5882.69% | (m) | -$32.10M | (m) | $26.05M | (m) | $415.00K |
|---|
| 2012-12-31 | Reported | -$40.94M | (m) | (m) | (m) | -1540.33% | (m) | -$42.07M | (m) | $34.14M | (m) | $6.00K |
|---|
| 2011-12-31 | Reported | -$28.85M | (m) | (m) | (m) | (m) | (m) | -$19.70M | (m) | $24.17M | (m) | $426.00K |
|---|