Protagonist Therapeutics, Inc. - Common Stock (PTGX)
87.00
+19.96 (29.77%)
NASDAQ · Last Trade: Oct 10th, 8:15 PM EDT
Detailed Quote
Previous Close | 67.04 |
---|---|
Open | 67.39 |
Bid | 87.38 |
Ask | 89.00 |
Day's Range | 65.75 - 93.25 |
52 Week Range | 33.31 - 93.25 |
Volume | 7,065,392 |
Market Cap | 5.40B |
PE Ratio (TTM) | 119.18 |
EPS (TTM) | 0.7 |
Dividend & Yield | N/A (N/A) |
1 Month Average Volume | 1,280,349 |
Chart
About Protagonist Therapeutics, Inc. - Common Stock (PTGX)
Protagonist Therapeutics Inc is a biopharmaceutical company focused on developing innovative therapeutic solutions for patients suffering from a range of serious diseases. The company employs a unique approach that combines peptide-based drug discovery with advanced technologies to create targeted therapies, aiming to address unmet medical needs in areas such as gastrointestinal conditions, inflammatory diseases, and oncology. With a commitment to scientific rigor and collaboration, Protagonist is advancing its pipeline of drug candidates through clinical trials, striving to bring new treatments to market that can significantly improve patient outcomes. Read More
News & Press Releases
The company could soon be swallowed by a very large peer -- which also happens to be a business partner.
Via The Motley Fool · October 10, 2025
Wondering how the US markets performed one hour before the close of the markets on Friday? Discover the movers and shakers of today's session in our comprehensive analysis.
Via Chartmill · October 10, 2025
Via Benzinga · October 10, 2025
Johnson & Johnson is in talks to buy Protagonist Therapeutics in a deal that could expand its immunology and cancer drug portfolio.
Via Benzinga · October 10, 2025

Via Benzinga · June 3, 2025
Curious to know what's happening on the US markets in the middle of the day on Friday? Join us as we explore the top gainers and losers in today's session.
Via Chartmill · October 10, 2025
Via Benzinga · October 8, 2025
Icotrokinra met the primary endpoint of clinical response at all three doses, with 36.5% of patients treated achieving endoscopic improvement and 30.2% achieving clinical remission at the highest dose at Week 12 in the Phase 2b ANTHEM-UC study
Via ACCESS Newswire · October 7, 2025
Via Benzinga · September 17, 2025
Johnson & Johnson and Protagonist Therapeutics announced new data from their Phase 3 studies to treat severe plaque psoriasis.
Via Benzinga · September 17, 2025
Via Benzinga · September 17, 2025
Icotrokinra demonstrated superior skin clearance at Weeks 16 and 24 compared to deucravacitinib and similar adverse event rates to placebo in Phase 3 ICONIC-ADVANCE studies
Via ACCESS Newswire · September 17, 2025
NEWARK, CALIFORNIA / ACCESS Newswire / September 15, 2025 / Protagonist Therapeutics, Inc. ("Protagonist" or the "Company") announced that data from the Phase 2b ANTHEM-UC study with icotrokinra in ulcerative colitis will be the focus of a brief oral presentation at the United European Gastroenterology Week 2025 being held in Berlin, Germany from October 4th through June 7th, 2025.
Via ACCESS Newswire · September 15, 2025
Via Benzinga · September 12, 2025
Icotrokinra is a first-in-class investigational targeted oral peptide that selectively blocks the IL-23 receptor 1
Via ACCESS Newswire · September 11, 2025
NEWARK, CALIFORNIA / ACCESS Newswire / August 26, 2025 / Protagonist Therapeutics, Inc. ("Protagonist" or the "Company") today announced that Dinesh V. Patel, Ph.D., President and Chief Executive Officer, will participate in multiple investment bank conferences taking place in September.
Via ACCESS Newswire · August 26, 2025
Breakthrough Therapy designation complements Rusfertide's Orphan Drug and Fast Track designations, which together confer multiple benefits to the development program
Via ACCESS Newswire · August 25, 2025
Via Benzinga · August 7, 2025
NDA for icotrokinra for the treatment of adults and adolescents 12 years of age and older with moderate to severe plaque psoriasis (PsO) submitted to U.S. FDA in July
Via ACCESS Newswire · August 6, 2025
Icotrokinra is a first-in-class investigational targeted oral peptide that selectively blocks the IL-23 receptor
Via ACCESS Newswire · July 21, 2025
The company announced a new drug that uses the same mechanism as Eli Lilly's retatrutide.
Via Investor's Business Daily · June 30, 2025
A novel oral peptide PN-477o with once-daily dosing, high potency and activation of glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic peptide (GIP), and glucagon (GCG) receptors
Via ACCESS Newswire · June 30, 2025
Webcast and conference call to be held on Monday, June 30th at 4:30 pm ET, dial in information below
Via ACCESS Newswire · June 26, 2025

Protagonist Therapeutics, Inc. (“Protagonist”) (NASDAQ:PTGX) and Takeda (TSE:4502/NYSE:TAK) announced detailed results from the Phase 3, randomized, placebo-controlled VERIFY study evaluating rusfertide in patients with polycythemia vera (PV), which met the primary and all key secondary endpoints. The data will be presented as a late-breaking oral presentation at the 61st American Society of Clinical Oncology (ASCO) Annual Meeting Plenary Session (LBA3) at 2:09 pm CDT today.
By Takeda Pharmaceutical Company Limited · Via Business Wire · June 1, 2025