Protagonist Therapeutics, Inc Financial Summary

Quick Answer

Protagonist Therapeutics, Inc reported Net Income of -$130.15 million for fiscal year 2025.

Protagonist Therapeutics, Inc — Key Financials by Year

Metric 2025 2024 2023 2022 2021 2020
Net Income -$130.15M
-147.3%
$275.19M
+448.5%
-$78.95M
+38.0%
-$127.39M
-1.5%
-$125.55M
-89.8%
-$66.15M
+14.3%
Diluted EPS -$2.05
-148.5%
$4.23
+404.3%
-$1.39
+46.5%
-$2.60
+4.1%
-$2.71
-41.1%
-$1.92
Total Assets $668.19M
-10.3%
$744.73M
+108.1%
$357.95M
+44.4%
$247.93M
-28.7%
$347.69M
+7.2%
$324.47M
+109.4%
Cash and Equivalents $128.39M
+32.0%
$97.25M
-47.9%
$186.73M
+48.5%
$125.74M
+1.7%
$123.67M
+5.4%
$117.36M
+255.6%
Long-Term Debt
Stockholders Equity $614.71M
-9.0%
$675.29M
+100.6%
$336.68M
+56.2%
$215.61M
-28.1%
$300.02M
+7.3%
$279.61M
+249.7%
R&D Expense $159.29M
+15.3%
$138.13M
+15.0%
$120.16M
-4.8%
$126.22M
+0.2%
$126.01M
+69.1%
$74.51M
+14.6%
Operating Income -$158.13M
-162.5%
$252.84M
+370.0%
-$93.65M
+28.7%
-$131.37M
-4.4%
-$125.84M
-95.1%
-$64.52M
+19.9%
Shares Outstanding 62.58M
+2.5%
61.04M
+5.8%
57.71M
+17.0%
49.34M
+3.1%
47.84M
+9.4%
43.75M
+60.7%

Most Recent Quarter

Metric Quarter Ending Value YoY QoQ
Total Revenue September 30, 2017 $8.78M
Net Income September 30, 2025 -$39.34M -18.5% -13.1%
Diluted EPS September 30, 2025 -$0.62 -14.8% -12.7%
Total Assets September 30, 2025 $701.69M +16.2% -2.3%
Cash and Equivalents September 30, 2025 $113.71M -13.3% -32.5%
Long-Term Debt March 31, 2020 $9.83M +0.4%
Stockholders Equity September 30, 2025 $645.44M +21.3% -3.4%
R&D Expense September 30, 2025 $40.00M +11.2% +8.0%
Operating Income September 30, 2025 -$46.42M -12.0% -10.4%
Shares Outstanding September 30, 2025 62.45M +4.9% +0.5%
  • Protagonist Therapeutics, Inc reported Net Income of -$130.15 million for fiscal year 2025.
  • Protagonist Therapeutics, Inc showed a decrease of -147.3% in Net Income compared to the prior fiscal year.
  • Protagonist Therapeutics, Inc reported Diluted EPS of $2.05 per share (loss) for fiscal year 2025.
  • Protagonist Therapeutics, Inc showed a decrease of -148.5% in Diluted EPS compared to the prior fiscal year.
  • Protagonist Therapeutics, Inc reported Total Assets of $668.19 million for fiscal year 2025.
  • Protagonist Therapeutics, Inc showed a decrease of -10.3% in Total Assets compared to the prior fiscal year.
  • Protagonist Therapeutics, Inc reported Cash and Equivalents of $128.39 million for fiscal year 2025.
  • Protagonist Therapeutics, Inc showed an increase of +32.0% in Cash and Equivalents compared to the prior fiscal year.
  • Protagonist Therapeutics, Inc reported Long-Term Debt of $9.79 million for fiscal year 2019.
  • Protagonist Therapeutics, Inc reported Stockholders Equity of $614.71 million for fiscal year 2025.
  • Protagonist Therapeutics, Inc showed a decrease of -9.0% in Stockholders Equity compared to the prior fiscal year.
  • Protagonist Therapeutics, Inc reported R&D Expense of $159.29 million for fiscal year 2025.
  • Protagonist Therapeutics, Inc showed an increase of +15.3% in R&D Expense compared to the prior fiscal year.
  • Protagonist Therapeutics, Inc reported Operating Income of -$158.13 million for fiscal year 2025.
  • Protagonist Therapeutics, Inc showed a decrease of -162.5% in Operating Income compared to the prior fiscal year.
  • Protagonist Therapeutics, Inc reported Shares Outstanding of 62.58 million shares for fiscal year 2025.
  • Protagonist Therapeutics, Inc showed an increase of +2.5% in Shares Outstanding compared to the prior fiscal year.
  • All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.

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