Protagonist Therapeutics PTGX

NASDAQ PTGX
$140.26 +2.26 (+1.64%)
As of: Oct 21, 2026 · 1:35 PM EDT

Protagonist Therapeutics (PTGX) stock price is $140.26, up 1.64% on the day, as of Oct 21, 2026. It has a market cap of $9.25Bn and a P/E ratio of 111.54, and is classified in the Biotechnology industry (Healthcare sector).

Key Stats
Market Cap9.25 Bn
P/E111.54
P/S32.79
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 668 companies in Pharmaceuticals and Biotechnology58 metrics · as of Oct 21, 2026

Valuation

12 metrics · Lower multiples rank higher; a negative multiple ranks last
  • P/E 110xMedian 16.8x 88th
  • P/FCF 68.3xMedian 18.3x 86th
  • P/Operating cash flow 68.0xMedian 17.0x 85th
  • P/S 31.6xMedian 9.38x 28th
  • P/B 10.6xMedian 2.17x 12th
  • P/Tangible book 10.6xMedian 2.42x 14th
  • EV/EBITDA 136xMedian 15.7x 80th
  • EV/EBIT 140xMedian 19.8x 83rd
  • EV/Revenue 28.9xMedian 6.59x 26th
  • EV/FCF 62.3xMedian 19.2x 83rd
  • EV/Operating cash flow 62.1xMedian 16.0x 82nd
  • PEG (3Y EPS CAGR) 3.10Median 0.33 6th
Peer group

Peer Comparison

Companies in the Biotechnology
View all peers
S.No. Ticker Company Market CapP/EP/STotal Debt (Qtr)
1 LLY ELI LILLY & Co 1,134.17 Bn42.4614.2454.91 Bn
2 JNJ Johnson & Johnson 615.84 Bn29.276.2949.04 Bn
3 ABBV AbbVie Inc. 500.69 Bn79.357.7870.82 Bn
4 MRK Merck & Co., Inc. 367.34 Bn115.775.5253.91 Bn
5 NVS Novartis Ag 297.61 Bn18.875.439.59 Bn
6 AZN Astrazeneca Plc 261.07 Bn24.994.4532.35 Bn
7 AMGN Amgen Inc 235.51 Bn26.946.1857.30 Bn
8 PTGX Protagonist Therapeutics, Inc 9.25 Bn111.5432.79-