Prothena Corp Public PRTA
NASDAQ PRTA
$8.36 -0.18 (-2.11%)
At close: Oct 2, 2026 · 4:00 PM EDT

Prothena Corp Public (PRTA) Cash & Current Investments (2012 - 2026)

Updated

Prothena Corp Public's Cash & Current Investments came in at $288.2 million for Q2 2026, down 22.4% from $371.44 million a year earlier and down 12.5% from the prior quarter.

Analysis

Prothena Corp Public (PRTA) Cash & Current Investments (2012 - 2026) Analysis & Trends

At the end of FY2025, Prothena Corp Public's Cash & Current Investments was $307.53 million, down 34.8% from FY2024.

  • Cash & Current Investments has declined in each of the last three years, though with a five-year compound annual growth rate of 0.8% (FY2020 to FY2025).
  • Going back by year, Cash & Current Investments was $471.39 million in FY2024 (-23.8%), $618.83 million in FY2023 (-12.9%), $710.41 million in FY2022 (+22.7%) and $579.09 million in FY2021 (+96.1%).
  • The Q2 2026 figure represents the lowest quarterly Cash & Current Investments since Q1 2015.
  • Year-over-year, Cash & Current Investments has declined for 11 consecutive quarters, with an average decline of 27.3% over the last eight quarters.
  • The fastest year-over-year change in Cash & Current Investments over five years came in Q4 2021 (growth of 96.1%), and the weakest in Q3 2025 (a decline of 36.3%).
  • Business Quant data shows PRTA's Cash & Current Investments at $329.5 million (Q1 2026), $307.53 million (Q4 2025) and $330.84 million (Q3 2025) in the three quarters before Q2 2026.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Cash & Current Investments (Qtr)
1 Eli Lilly 1,076.25 Bn 1,044.84 Bn 19.71 Bn 8.95 Bn
2 Johnson & Johnson 617.18 Bn 535.70 Bn 17.26 Bn 20.76 Bn
3 AbbVie 464.58 Bn 437.73 Bn 12.70 Bn 6.57 Bn
4 Merck 356.04 Bn 310.47 Bn 12.21 Bn 7.14 Bn
5 Novartis Ag 269.07 Bn 224.94 Bn 11.24 Bn 9.92 Bn
6 Astrazeneca 243.21 Bn 216.77 Bn 12.86 Bn 4.97 Bn
7 Amgen 217.88 Bn 173.28 Bn 7.24 Bn 13.99 Bn
8 Gilead Sciences 179.62 Bn 153.74 Bn 6.22 Bn 3.18 Bn
9 Pfizer 158.45 Bn 105.40 Bn 10.94 Bn 11.70 Bn
10 Prothena Corp Public 432.58 Mn -823.49 Mn - 288.20 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 288.20 Mn
Mar 31, 2026 329.50 Mn
Dec 31, 2025 307.53 Mn
Sep 30, 2025 330.84 Mn
Jun 30, 2025 371.44 Mn
Mar 31, 2025 417.94 Mn
Dec 31, 2024 471.39 Mn
Sep 30, 2024 519.26 Mn
Jun 30, 2024 564.12 Mn
Mar 31, 2024 546.51 Mn
Dec 31, 2023 618.83 Mn
Sep 30, 2023 670.90 Mn
Jun 30, 2023 659.11 Mn
Mar 31, 2023 686.18 Mn
Dec 31, 2022 710.41 Mn
Sep 30, 2022 495.63 Mn
Jun 30, 2022 508.80 Mn
Mar 31, 2022 542.99 Mn
Dec 31, 2021 579.09 Mn
Sep 30, 2021 600.10 Mn
API Access

Prothena Corp Public Cash & Current Investments API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=cash-and-current-investments&ticker=PRTA&period=max&api_key=YOUR_API_KEY