Protagonist Therapeutics PTGX

NASDAQ PTGX
$137.99 +3.55 (+2.64%)
At close: Oct 20, 2026 · 4:00 PM EDT

Protagonist Therapeutics (PTGX) stock price is $137.99, up 2.64% on the day, as of Oct 20, 2026. It has a market cap of $9.11Bn and a P/E ratio of 109.86, and is classified in the Biotechnology industry (Healthcare sector).

Key Stats
Market Cap9.11 Bn
P/E109.86
P/S32.30
Div. Yield0.00
Revenue Growth (1y) (Qtr)3,749.17
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About

Protagonist Therapeutics, Inc. is an integrated discovery and development company focused on creating peptide based therapeutics for inflammatory and immunologic disorders hematologic conditions and metabolic diseases. The company uses a proprietary technology platform to design oral and injectable peptides that target validated biological pathways. Its pipeline includes programs in inflammation and immunology hematology and obesity and metabolic disease. Protagonist…

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Sector: Healthcare Sector rationale Protagonist Therapeutics is a biotechnology company focused on the discovery and development of peptide-based therapeutics for inflammatory, immunologic, hematologic, and metabolic diseases. Its revenue model is based on collaboration agreements, milestone payments, and royalties from pharmaceutical partners like Janssen Biotech and Takeda Pharmaceuticals, which is characteristic of the Biotechnology industry within the Healthcare sector. Industry: Biotechnology Biotechnology Primary Protagonist Therapeutics is a biotechnology company that researches and develops peptide-based therapeutics, including oral and injectable peptides for inflammatory, immunologic, and metabolic diseases. Its revenue model consists of collaboration agreements, upfront payments, and milestone payments from partners like Janssen Biotech and Takeda Pharmaceuticals. Classified using BQ-MICS CIK: 0001377121

Collaborative Arrangement and Arrangement Other than Collaborative Breakdown of Revenue (2025)

History

Counterparty Name Breakdown of Revenue (2025)

History
Peer percentiles

How Protagonist Therapeutics ranks

Ranked against the 673 companies in Pharmaceuticals and Biotechnology58 metrics · as of Oct 16, 2026

Valuation

12 metrics · Lower multiples rank higher; a negative multiple ranks last
  • P/E 109xMedian 17.3x 88th
  • P/FCF 67.6xMedian 17.9x 86th
  • P/Operating cash flow 67.3xMedian 16.4x 86th
  • P/S 31.3xMedian 9.48x 29th
  • P/B 10.5xMedian 2.17x 13th
  • P/Tangible book 10.5xMedian 2.41x 15th
  • EV/EBITDA 134xMedian 16.1x 80th
  • EV/EBIT 138xMedian 19.7x 84th
  • EV/Revenue 28.5xMedian 6.87x 27th
  • EV/FCF 61.6xMedian 19.3x 84th
  • EV/Operating cash flow 61.3xMedian 16.2x 83rd
  • PEG (3Y EPS CAGR) 3.07Median 0.35 6th
Peer group

Peer Comparison

Companies in the Biotechnology
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S.No. Ticker Company Market CapP/EP/STotal Debt (Qtr)
1 LLY ELI LILLY & Co 1,146.94 Bn42.9414.4054.91 Bn
2 JNJ Johnson & Johnson 624.96 Bn29.716.3849.04 Bn
3 ABBV AbbVie Inc. 510.15 Bn80.857.9270.82 Bn
4 MRK Merck & Co., Inc. 366.13 Bn115.395.5053.91 Bn
5 NVS Novartis Ag 297.75 Bn18.875.449.59 Bn
6 AZN Astrazeneca Plc 261.93 Bn25.084.4632.35 Bn
7 AMGN Amgen Inc 236.51 Bn27.056.2157.30 Bn
8 PTGX Protagonist Therapeutics, Inc 9.11 Bn109.8632.30-