PRTA
Prothena Corporation plc
8.30$
-4.1%
vs. previous close
Closing price · As of: Sep 24, 2026
Statements
Cash Flow
All figures as the change versus the prior period, in percent. Periods without a positive comparison base stay empty.
Tick rows to compare them in a chart (up to 4)
| Line item | Q3 23 | Q4 23 | Q1 24 | Q2 24 | Q3 24 | Q4 24 | Q1 25 | Q2 25 | Q3 25 | Q4 25 | Q1 26 | Q2 26 | LTM* |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| – | -636.3% | – | – | -383.1% | – | – | – | – | – | – | -186.7% | – | |
| – | -2,259.4% | – | +7.4% | -288.7% | – | +0.9% | +0.9% | +1.8% | -4.8% | -15.6% | +7.1% | – | |
| – | +1.2% | +11.8% | -2.8% | -8.5% | -4.5% | +4.1% | +13.4% | -42.0% | -1.7% | -2.2% | +13.9% | – | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | |
| – | – | -266.6% | – | – | -82.3% | -439.7% | – | -157.4% | – | – | – | – | |
| – | +250.5% | -93.4% | +38.8% | -93.7% | +377.8% | -2.3% | +104.8% | -88.4% | -79.6% | -100.0% | – | – | |
| – | +242.1% | -93.2% | +38.8% | -93.7% | +377.8% | -2.3% | +104.8% | -88.4% | – | – | – | – | |
| – | – | – | +172.2% | -36.1% | -38.3% | -17.2% | +54.2% | -77.0% | +900.0% | +3,985.9% | +124.1% | – | |
| – | -82.2% | +73.1% | -46.9% | -25.0% | -117.7% | -18.6% | +54.2% | -77.0% | – | -338,830.1% | +124.1% | – | |
| – | -541.8% | – | – | -375.9% | – | – | – | – | – | – | -288.2% | – | |
| – | -679.5% | – | – | -385.8% | – | – | – | – | – | – | -189.0% | – |
LTM = last twelve months (sum of the four most recent quarters).
Data as of: September 24, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.