Filing Flows › Prothena Corp Public (PRTA) › Q2 2026 › vs Q2 2025
Prothena Corp Public (PRTA) Q2 2026 vs Q2 2025 (year over year)
Prothena Corp Public's revenue fell $3.4M (-77%) from $4.4M in Q2 2025 to $1.0M in Q2 2026.
Prothena Corp Public, Q2 2026: revenue $1.0M (-77% year over year), net loss $18.6M, operating cash flow −$25.0M. The chart draws each line against Q2 2025, the increases inside each band.
Every line
| Line | Q2 2026 | Q2 2025 | Change | % |
|---|---|---|---|---|
| Revenue | $1.0M | $4.4M | −$3.4M | -77% |
| Other income, net | $2.5M | $3.7M | −$1.1M | -31% |
| Net loss | $18.6M | $126M | −$107M | -85% |
| Costs & expenses | $22.1M | $134M | −$112M | -83% |
| Operating costs | $22.1M | $89.0M | −$66.9M | -75% |
| Income tax | $2K | $44.8M | −$44.8M | -100% |
| Research & development | $8.8M | $40.5M | −$31.7M | -78% |
| General & admin | $10.9M | $15.9M | −$5.0M | -31% |
| Other operating costs | $2.4M | $32.6M | −$30.2M | -93% |
| Operating cash sources | $33.1M | $59.0M | −$25.9M | -44% |
| Depreciation & amortization | $197K | $225K | −$28K | -12% |
| Share-based compensation | $7.9M | $12.4M | −$4.5M | -37% |
| Cash used in operations | $25.0M | $46.3M | −$21.3M | -46% |
| Net loss absorbed | $18.6M | $126M | −$107M | -85% |
| Working capital & other | $14.5M | −$66.8M | $81.3M | — |
Questions
How much did Prothena Corp Public's revenue grow year over year in Q2 2026?
Prothena Corp Public's revenue fell $3.4M (-77%) from $4.4M in Q2 2025 to $1.0M in Q2 2026.