Prothena Corp Public (PRTA) Change in Cash (2012 - 2026)

Prothena Corp Public's (PRTA) quarterly Change in Cash came in at $21.9 million in Q1 2026, up 141.03% year-on-year from $9.1 million in Q1 2025, and up 194.08% quarter-over-quarter from -$23.3 million in Q4 2025.

Prothena Corp Public (PRTA) Change in Cash (2012 - 2026) Analysis & Trends

Prothena Corp Public's Change in Cash history runs 15 years deep, the most recent figure standing at $21.9 million for Q1 2026.

  • On a quarterly basis, Change in Cash rose 141.03% year-over-year to $21.9 million in Q1 2026; TTM through Mar 2026 was -$88.5 million, a 31.91% increase from a year earlier, with the FY2025 full-year figure at -$163.9 million, down 10.12% from the prior year.
  • Change in Cash grew to $21.9 million in Q1 2026 per PRTA's latest filing, from -$23.3 million in the prior quarter.
  • Across five years, Change in Cash topped out at $215.6 million in Q4 2022 and bottomed at -$72.3 million in Q1 2024.
  • The 5-year median for Change in Cash is -$34.2 million (2022), against an average of -$14.7 million.
  • Across the five-year window, Change in Cash jumped 1126.65% in 2022 and sank 480.64% in 2024, its largest moves.
  • Year by year, Change in Cash stood at $215.6 million in 2022, then plunged by 124.15% to -$52.1 million in 2023, then grew by 8.05% to -$47.9 million in 2024, then surged by 51.31% to -$23.3 million in 2025, then soared by 194.08% to $21.9 million in 2026.
  • Per Business Quant, the three latest PRTA Change in Cash figures stand at $21.9 million (Q1 2026), -$23.3 million (Q4 2025), and -$40.6 million (Q3 2025).

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Change in Cash (Qtr)
1 Oculis Holding AG 68,785.72 Bn 68,785.72 Bn - -22.03 Mn
2 Nanobiotix 1,895.57 Bn 1,895.51 Bn - -
3 BeOne Medicines 471.35 Bn 466.56 Bn 1.35 Bn 243.78 Mn
4 NuCana 279.75 Bn 279.75 Bn - -1.34 Mn
5 Vertex Pharmaceuticals 120.24 Bn 113.00 Bn 2.59 Bn 417.10 Mn
6 Regeneron Pharmaceuticals 67.80 Bn 59.04 Bn 3.31 Bn -153.10 Mn
7 Belite Bio 62.51 Bn 62.51 Bn - -
8 Argenx Se 57.38 Bn 57.38 Bn 1.41 Bn -
9 Revolution Medicines 37.78 Bn 37.78 Bn - 57.19 Mn
10 Prothena Corp Public 458.13 Mn 128.67 Mn - 21.93 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 21.93 Mn
Dec 31, 2025 -23.31 Mn
Sep 30, 2025 -40.59 Mn
Jun 30, 2025 -46.50 Mn
Mar 31, 2025 -53.45 Mn
Dec 31, 2024 -47.87 Mn
Sep 30, 2024 -44.86 Mn
Jun 30, 2024 16.26 Mn
Mar 31, 2024 -72.32 Mn
Dec 31, 2023 -52.07 Mn
Sep 30, 2023 11.79 Mn
Jun 30, 2023 -27.07 Mn
Mar 31, 2023 -24.22 Mn
Dec 31, 2022 215.64 Mn
Sep 30, 2022 -13.17 Mn
Jun 30, 2022 -34.20 Mn
Mar 31, 2022 -36.10 Mn
Dec 31, 2021 -21.00 Mn
Sep 30, 2021 198.92 Mn
Jun 30, 2021 56.84 Mn