Prothena financials
$8.78+0.69%
Close Sep 29, 2026 · split-adjustedRevenue
Net income
Income statement & cash flow
| Quarter | Q2 '26 Jun 30 | Q1 '26 Mar 31 | Q4 '25 Dec 31 | Q3 '25 Sep 30 | Q2 '25 Jun 30 | Q1 '25 Mar 31 | Q4 '24 Dec 31 | Q3 '24 Sep 30 | Q2 '24 Jun 30 | Q1 '24 Mar 31 | Q4 '23 Dec 31 | Q3 '23 Sep 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $1.0M | $51.1M | $21.0K | $2.4M | $4.4M | $2.8M | $2.1M | $970.0K | $132.0M | $50.0K | $316.0K | $84.9M |
| Gross profit | $1.0M | $51.1M | $21.0K | $2.4M | $4.4M | $2.8M | $2.1M | $970.0K | $132.0M | $50.0K | $316.0K | $84.9M |
| Gross margin | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Operating income | -$21.1M | $30.0M | -$24.2M | -$40.2M | -$84.6M | -$65.6M | -$64.9M | -$66.5M | $58.4M | -$81.5M | -$78.5M | $10.3M |
| Net income | -$18.6M | $32.7M | -$21.6M | -$36.5M | -$125.8M | -$60.2M | -$58.0M | -$59.0M | $66.9M | -$72.2M | -$67.5M | $21.9M |
| Net margin | −1839.9% | 64.1% | −102804.8% | −1513.1% | −2845.4% | −2128.5% | −2729.9% | −6082.6% | 50.7% | −144478.0% | −21353.2% | 25.8% |
| Diluted EPS | $-0.36 | $0.60 | $-0.40 | $-0.68 | $-2.34 | $-1.12 | $-1.10 | $-1.10 | $1.22 | $-1.34 | $-1.37 | $0.38 |
| EBITDA | -$18.5M | $26.0M | -$27.0M | -$39.5M | -$51.8M | -$65.4M | -$64.7M | -$66.3M | $58.6M | -$81.3M | -$78.5M | $10.5M |
| Operating cash flow | -$25.0M | $28.9M | -$23.3M | -$40.6M | -$46.3M | -$53.4M | -$47.8M | -$45.2M | $16.0M | -$73.1M | -$51.0M | $9.5M |
| Free cash flow | -$25.7M | $28.9M | -$23.3M | -$40.6M | -$46.4M | -$53.4M | -$47.8M | -$45.2M | $15.8M | -$73.2M | -$52.6M | $9.1M |
| Diluted shares | 52.1M | 54.1M | 53.8M | 53.8M | 53.8M | 53.8M | 52.5M | 53.8M | 55.0M | 53.7M | 49.2M | 58.0M |
Balance sheet
| Period end | Jun 30 | Mar 31 | Dec 31 | Sep 30 | Jun 30 | Mar 31 |
|---|---|---|---|---|---|---|
| Cash & equivalents | $288.2M | $329.5M | $307.5M | $330.8M | $371.4M | $417.9M |
| Short-term investments | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Total debt | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Total assets | $302.6M | $349.9M | $326.8M | $352.6M | $399.1M | $495.3M |
| Total liabilities | $15.7M | $37.3M | $46.3M | $57.6M | $74.7M | $57.7M |
| Shareholders' equity | $286.9M | $312.6M | $280.5M | $295.0M | $324.3M | $437.7M |
From SEC filings via Massive. Fiscal periods follow the company's own calendar; free cash flow is operating cash flow minus capital expenditure.
Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology