Filing Flows › Prothena Corp Public (PRTA) › Q3 2026 › vs Q3 2025
Prothena Corp Public (PRTA) Q3 2026 vs Q3 2025 (year over year)
Prothena Corp Public's revenue fell $1.8M (-74%) from $2.4M in Q3 2025 to $620K in Q3 2026.
Prothena Corp Public, Q3 2026: revenue $620K (-74% year over year), net loss $16.5M, operating cash flow −$12.0M. The chart draws each line against Q3 2025, the increases inside each band.
Every line
| Line | Q3 2026 | Q3 2025 | Change | % |
|---|---|---|---|---|
| Revenue | $620K | $2.4M | −$1.8M | -74% |
| Other income, net | $2.3M | $3.3M | −$1.0M | -30% |
| Net loss | $16.5M | $36.5M | −$20.0M | -55% |
| Costs & expenses | $19.4M | $42.7M | −$23.2M | -54% |
| Operating costs | $19.4M | $42.7M | −$23.2M | -54% |
| Income tax | $2K | −$371K | $373K | — |
| Research & development | $8.4M | $28.9M | −$20.5M | -71% |
| General & admin | $10.6M | $13.2M | −$2.6M | -20% |
| Other operating costs | $420K | $479K | −$59K | -12% |
| Operating cash sources | $18.6M | $48.0M | −$29.4M | -61% |
| Depreciation & amortization | $209K | $229K | −$20K | -9% |
| Share-based compensation | $6.4M | $7.2M | −$791K | -11% |
| Cash used in operations | $12.0M | $40.6M | −$28.6M | -71% |
| Net loss absorbed | $16.5M | $36.5M | −$20.0M | -55% |
| Working capital & other | $2.1M | $11.5M | −$9.4M | -82% |
Questions
How much did Prothena Corp Public's revenue grow year over year in Q3 2026?
Prothena Corp Public's revenue fell $1.8M (-74%) from $2.4M in Q3 2025 to $620K in Q3 2026.