Prothena Corp Public (PRTA) Other Working Capital Changes (2012 - 2026)

Prothena Corp Public's (PRTA) quarterly Other Working Capital Changes came in at -$719000.0 in Q1 2026, down 11.47% year-on-year from -$812180.4 in Q1 2025, and down 1.41% quarter-over-quarter from -$709000.0 in Q4 2025.

Prothena Corp Public (PRTA) Other Working Capital Changes (2012 - 2026) Analysis & Trends

Prothena Corp Public's Other Working Capital Changes history runs 8 years deep, the most recent figure standing at -$719000.0 for Q1 2026.

  • On a quarterly basis, Other Working Capital Changes fell 11.47% year-over-year to -$719000.0 in Q1 2026; TTM through Mar 2026 was -$2.8 million, a 10.02% decrease from a year earlier, with the FY2025 full-year figure at -$2.7 million, down 20.48% from the prior year.
  • Other Working Capital Changes eased to -$719000.0 in Q1 2026 per PRTA's latest filing, from -$709000.0 in the prior quarter.
  • Across five years, Other Working Capital Changes topped out at $50.4 million in Q4 2024 and bottomed at -$58.4 million in Q3 2024.
  • The 5-year median for Other Working Capital Changes is -$1.6 million (2023), against an average of -$3.5 million.
  • Across the five-year window, Other Working Capital Changes soared 77.02% in 2024 and sank 76.71% in 2025, its largest moves.
  • Year by year, Other Working Capital Changes stood at -$1.6 million in 2022, then increased by 0.77% to -$1.5 million in 2023, then surged by 57.97% to -$651000.0 in 2024, then slipped by 8.91% to -$709000.0 in 2025, then declined by 1.41% to -$719000.0 in 2026.
  • Per Business Quant, the three latest PRTA Other Working Capital Changes figures stand at -$719000.0 (Q1 2026), -$709000.0 (Q4 2025), and -$699000.0 (Q3 2025).

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 Oculis Holding AG 68,785.72 Bn 68,785.72 Bn -
2 Nanobiotix 1,895.57 Bn 1,895.51 Bn -
3 BeOne Medicines 471.35 Bn 466.56 Bn 1.35 Bn
4 NuCana 279.75 Bn 279.75 Bn -
5 Vertex Pharmaceuticals 120.24 Bn 113.00 Bn 2.59 Bn
6 Regeneron Pharmaceuticals 67.80 Bn 59.04 Bn 3.31 Bn
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 -
10 Prothena Corp Public 458.13 Mn 128.67 Mn -

Historic Data

Download Data
DateValue
Mar 31, 2026 -1.03 Mn
Mar 31, 2026 -1.03 Mn
Mar 31, 2026 -1.03 Mn
Dec 31, 2025 -21,000.00
Dec 31, 2025 -21,000.00
Dec 31, 2025 -21,000.00
Sep 30, 2025 -2.42 Mn
Sep 30, 2025 -2.42 Mn
Sep 30, 2025 -2.42 Mn
Jun 30, 2025 -8.04 Mn
Jun 30, 2025 -8.04 Mn
Jun 30, 2025 -8.04 Mn
Mar 31, 2025 843,000.00
Mar 31, 2025 843,000.00
Mar 31, 2025 843,000.00
Dec 31, 2024 50.45 Mn
Dec 31, 2024 50.45 Mn
Dec 31, 2024 50.45 Mn
Sep 30, 2024 -58.42 Mn
Sep 30, 2024 -58.42 Mn