PROTAGONIST THERAPEUTICS INC
PTGX · NASDAQ
Updated at 2026-10-14 12:34:30
- Today's High
- $146.00
- Today’s Low
- $137.81
%22%2F%3E%0A%3Cpath%20id%3D%22%26%23230%3B%26%23150%3B%26%23135%3B%26%23230%3B%26%23161%3B%26%23163%3B%26%23230%3B%26%23154%3B%26%23151%3B%26%23232%3B%26%23167%3B%26%23146%3B%22%20d%3D%22M48.3363%2013.4132H60.2082L46.795%205.72205e-06V11.8719C46.795%2012.7231%2047.4851%2013.4132%2048.3363%2013.4132Z%22%20fill%3D%22var(--fill-0%2C%20%23474741)%22%2F%3E%0A%3Cpath%20id%3D%22%26%23230%3B%26%23148%3B%26%23190%3B%26%23229%3B%26%23164%3B%26%23167%3B%26%23233%3B%26%23149%3B%26%23156%3B%22%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M11.3812%2020.3725C16.7977%2014.9559%2025.5803%2014.9559%2030.9969%2020.3725C36.413%2025.789%2036.4131%2034.5707%2030.9969%2039.9872C26.0109%2044.973%2018.1729%2045.3699%2012.7335%2041.1769L2.54298%2051.3684L0%2048.8254L10.1915%2038.6329C5.99993%2033.1937%206.39609%2025.3579%2011.3812%2020.3725ZM28.4539%2022.9155C24.4418%2018.9033%2017.9363%2018.9033%2013.9241%2022.9155C9.91245%2026.9275%209.91241%2033.4322%2013.9241%2037.4442C17.9362%2041.4562%2024.4418%2041.4562%2028.4539%2037.4442C32.4656%2033.4322%2032.4656%2026.9275%2028.4539%2022.9155Z%22%20fill%3D%22var(--fill-0%2C%20%235D5D56)%22%2F%3E%0A%3C%2Fg%3E%0A%20%20%3C%2Fsvg%3E%0A%3C%2Fsvg%3E%0A)
Candlestick trends are for reference. Refer to the trading page for actual data.
Key Statistics
- Previous Open
- $145.83
- Previous Close
- $144.88
- Volume
- 898.51K
- Market Cap
- $9.37B
- P/E Ratio
- 113.06X
- EPS
- $1.03
Previous Day Range
52-Week Range
Company Overview
- Sector
- HEALTHCARE
- Industry
- Biotechnology
- Sub-industry
- BIOTECHNOLOGY
- Headquarters
- 7707 GATEWAY BOULEVARD, NEWARK, CA, UNITED STATES, 94560
- Country
- US
- Listing Date
- 2016-08-11
- Fiscal Year End
- December
- Shares Outstanding
- 64.31M
- CIK
- 0001377121
- Website
- www.protagonist-inc.com
Protagonist Therapeutics, Inc., a clinical-stage biopharmaceutical company, discovers and develops peptide-based therapeutic drugs to address unmet medical needs. The company is headquartered in Newark, California.
Financial Metrics
Revenue
2026-06-30
$213.47M
2026-03-31
$56.36M
2025-12-31
$7.43M
2025-09-30
$4.71M
Operating Expenses
2026-06-30
$54.7M
2026-03-31
$59.6M
2025-12-31
$57.79M
2025-09-30
$51.13M
Net Income
2026-06-30
$162.84M
2026-03-31
$3.78M
2025-12-31
-$44.38M
2025-09-30
-$39.33M
Net Profit Margin
2026-06-30
76.28%
2026-03-31
6.71%
2025-12-31
-596.8%
2025-09-30
-834.86%
Earnings Per Share
2026-06-30
$2.29
2026-03-31
$0.05
2025-12-31
$-0.69
2025-09-30
$-0.62
Earnings Before Interest, Taxes, Depreciation, and Amortization
2026-06-30
$165.51M
2026-03-31
$2.68M
2025-12-31
-$43.34M
2025-09-30
-$38.97M
Effective Tax Rate
2026-06-30
1.37%
2026-03-31
-65.84%
2025-12-31
-1.52%
2025-09-30
--
| Item | 2026-06-30 | 2026-03-31 | 2025-12-31 | 2025-09-30 |
|---|---|---|---|---|
| Revenue | $213.47M | $56.36M | $7.43M | $4.71M |
| Operating Expenses | $54.7M | $59.6M | $57.79M | $51.13M |
| Net Income | $162.84M | $3.78M | -$44.38M | -$39.33M |
| Net Profit Margin | 76.28% | 6.71% | -596.8% | -834.86% |
| Earnings Per Share | $2.29 | $0.05 | $-0.69 | $-0.62 |
| Earnings Before Interest, Taxes, Depreciation, and Amortization | $165.51M | $2.68M | -$43.34M | -$38.97M |
| Effective Tax Rate | 1.37% | -65.84% | -1.52% | -- |
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