Protagonist Therapeutics, Inc. (PTGX) Income Statement

NASDAQ: PTGXRevenue, profits, margins and EPS over 10 years.

PTGX 2025 at a glance

Fiscal year ended December 31, 2025 · U.S. dollars
Revenue−89.4%
$46.0M
2025 · hover or tap a bar for each year
2016: $02017: $20.1M2018: $30.9M (+54.1%)2019: $231,000 (−99.3%)2020: $28.6M (+12,293.1%)2021: $27.4M (−4.4%)2022: $26.6M (−2.8%)2023: $60.0M (+125.7%)2024: $434.4M (+624.1%)2025: $46.0M (−89.4%)
20162025
Gross profit−89.7%
$44.8M
2025 · hover or tap a bar for each year
2016: −$317,0002017: $20.1M2018: $30.9M (+54.1%)2019: $231,000 (−99.3%)2020: $28.6M (+12,293.1%)2021: $27.4M (−4.4%)2022: $26.6M (−2.8%)2023: $60.0M (+125.7%)2024: $434.4M (+624.1%)2025: $44.8M (−89.7%)
20162025
Operating income−162.5%
−$158.1M
2025 · hover or tap a bar for each year
2016: −$32.7M2017: −$37.9M2018: −$42.3M2019: −$80.5M2020: −$64.5M2021: −$125.8M2022: −$131.4M2023: −$93.7M2024: $252.8M2025: −$158.1M (−162.5%)
20162025
Net income−147.3%
−$130.1M
2025 · hover or tap a bar for each year
2016: −$37.2M2017: −$37.0M2018: −$38.9M2019: −$77.2M2020: −$66.2M2021: −$125.6M2022: −$123.4M2023: −$79.0M2024: $275.2M2025: −$130.1M (−147.3%)
20162025
EPS (diluted)−148.8%
−$2.05
2025 · hover or tap a bar for each year
2016: −$20.612017: −$2.172018: −$1.722019: −$3.002020: −$1.982021: −$2.702022: −$2.602023: −$1.492024: $4.202025: −$2.05 (−148.8%)
20162025
Net profit margin−346.2 pts
−282.8%
2025 · hover or tap a point for each year
2017: −184.2%2018: −125.9% (+58.3 pts)2019: −33,414.3% (−33,288.4 pts)2020: −231.1% (+33,183.2 pts)2021: −458.9% (−227.9 pts)2022: −464.3% (−5.4 pts)2023: −131.6% (+332.7 pts)2024: 63.3% (+194.9 pts)2025: −282.8% (−346.2 pts)
20162025

PTGX revenue and net income

RevenueNet incomeNet margin (right axis)

Where PTGX's revenue goes

2025
Revenue
$46.0M100.0%
Cost of revenue
−$1.2M−2.7%
Gross profit
$44.8M97.3%
Research & development
−$159.3M−346.2%
Sales, general & admin
−$44.9M−97.5%
Other operating expenses
$1.2M2.7%
Operating income
−$158.1M−343.6%
Interest & other income
$28.8M62.6%
Income taxes
−$838,000−1.8%
Net income
−$130.1M−282.8%

Each bar shows an amount and its share of revenue. PTGX kept −282.8% of revenue as net income.

PTGX profit margins

GrossOperatingNet

PTGX growth rates

to 2025
1 year3 years5 years10 years
Revenue−89.4%+20.1%+10.0%—
Gross profit−89.7%+19.0%+9.4%—
Operating income−162.5%———
Net income−147.3%———
EPS (diluted)−148.8%———

1-year change and average annual growth (CAGR) over 3, 5 and 10 fiscal years. "—" when a starting value was zero or negative.

PTGX quarterly EPS vs estimates

Reported EPSAnalyst estimate

Protagonist Therapeutics beat the analyst EPS estimate in 4 of the last 8 quarters. Next report: November 5, 2026 (estimate $2.19).

PTGX income statement

Protagonist Therapeutics, Inc. annual income statement
2025202420232022202120202019201820172016
Revenue$46.0M$434.4M$60.0M$26.6M$27.4M$28.6M$231,000$30.9M$20.1M$0
Cost of revenue$1.2M$3.0M$3.3M$1.0M$2.8M$0$0$0$57.6M$317,000
Gross profit$44.8M$434.4M$60.0M$26.6M$27.4M$28.6M$231,000$30.9M$20.1M−$317,000
Research & development$159.3M$138.1M$120.2M$126.2M$126.0M$76.0M$65.0M$59.5M$46.2M$25.7M
Sales, general & admin$44.9M$43.5M$33.5M$31.7M$27.2M$18.6M$15.7M$13.7M$11.8M$7.0M
Total operating expenses$202.9M$181.6M$153.7M$158.0M$153.2M$93.1M$80.8M$73.2M$58.0M$32.7M
Operating income−$158.1M$252.8M−$93.7M−$131.4M−$125.8M−$64.5M−$80.5M−$42.3M−$37.9M−$32.7M
Interest income$28.8M$26.3M$12.9M$4.1M$443,000$900,000$2.8M$2.5M$940,000$242,000
Interest expense———$3.4M$2.5M$598,000$169,000$0$0$0
Income before taxes−$129.3M$279.4M−$79.0M−$127.4M−$125.6M−$64.8M−$77.9M−$39.7M−$37.0M−$37.2M
Income taxes$838,000$4.2M−$14.9M−$4.0M−$2.9M$1.3M−$691,000−$799,000−$406,000$4.2M
Net income−$130.1M$275.2M−$79.0M−$123.4M−$125.6M−$66.2M−$77.2M−$38.9M−$37.0M−$37.2M
EBITDA−$128.0M$282.4M−$75.6M−$128.0M−$122.8M−$61.8M−$75.2M−$41.7M−$37.5M−$32.3M
EPS (diluted)−$2.05$4.20−$1.49−$2.60−$2.70−$1.98−$3.00−$1.72−$2.17−$20.61
Gross margin97.3%100.0%100.0%100.0%100.0%100.0%100.0%100.0%100.0%—
Operating margin−343.6%58.2%−156.1%−494.2%−460.0%−225.4%−34,857.6%−136.7%−188.9%—
Net margin−282.8%63.3%−131.6%−464.3%−458.9%−231.1%−33,414.3%−125.9%−184.2%—

Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported in PTGX's financial statements (latest annual report filed February 25, 2026); data from EODHD. Sales, general & administrative expenses include sales and marketing.

PTGX financial results

In fiscal year 2025 (ended December 31, 2025), Protagonist Therapeutics reported revenue of $46.0 million, down 89.4% from the year before. It had a net loss of $130.1 million, a net profit margin of −282.8%. Diluted earnings per share came to −$2.05. Over five years revenue grew at an average rate of 10.0% a year.

See the PTGX stock overview for the latest quote and news, or the PTGX chart for price history and technical indicators.

PTGX income statement FAQ

What is Protagonist Therapeutics's annual revenue?

Protagonist Therapeutics reported total revenue of $46.0 million for fiscal year 2025, which ended on December 31, 2025. That was down 89.4% from $434.4 million the previous year.

Is Protagonist Therapeutics profitable?

No. Protagonist Therapeutics reported a net loss of $130.1 million in fiscal 2025, a net profit margin of −282.8%; its operating margin was −343.6%.

What is Protagonist Therapeutics's gross margin?

Protagonist Therapeutics's gross margin was 97.3% in fiscal 2025: for every $100 of revenue, Protagonist Therapeutics kept $97 after the direct cost of its products and services.

How much does Protagonist Therapeutics spend on research and development?

Protagonist Therapeutics spent $159.3 million on research and development in fiscal 2025, 346.2% of revenue.

How fast is Protagonist Therapeutics growing?

Revenue grew 10.0% a year on average over the last five fiscal years, from $28.6 million to $46.0 million.

What are Protagonist Therapeutics's earnings per share?

Protagonist Therapeutics earned $-2.05 per diluted share in fiscal 2025, compared with $4.20 a year earlier.

When will Protagonist Therapeutics report its next earnings?

Protagonist Therapeutics is expected to report results for the quarter ending September 30, 2026 on November 5, 2026 after the market closes.

When does Protagonist Therapeutics's fiscal year end?

Protagonist Therapeutics's fiscal year ends in December. The latest annual report covers the year ended December 31, 2025 and was filed on February 25, 2026.

Biotechnology income statements