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ALL
Market cap
$8.93B
EPS
1.03
P/E ratio
139.5
Price to sales
32.98
Dividend yield
--
Beta
1.523817
Previous close
$137.99
Today's open
$139.71
Day's range
$137.96 - $141.85
52 week range
$73.08 - $160.81
show more
CEO
Dinesh V. Patel
Employees
126
Headquarters
Newark, CA
Exchange
NASDAQ Global Market
Shares outstanding
64708285
Issue type
Common Stock
Healthcare
Biotechnology & Life Sciences
Protagonist Therapeutics (PTGX) Upgraded to Strong Buy: Here's What You Should Know
Protagonist Therapeutics (PTGX) has been upgraded to a Zacks Rank #1 (Strong Buy), reflecting growing optimism about the company's earnings prospects. This might drive the stock higher in the near term.
Zacks Investment Research • Oct 15, 2026

Protagonist Therapeutics, Inc. (PTGX) Presents at Citigroup's Biopharma Back to School Summit 2026 Transcript
Protagonist Therapeutics, Inc. (PTGX) Presents at Citigroup's Biopharma Back to School Summit 2026 Transcript
Seeking Alpha • Sep 9, 2026

Protagonist Therapeutics Announces $300 Million Share Repurchase Program
NEWARK, CA / ACCESS Newswire / September 8, 2026 / Protagonist Therapeutics, Inc. (Nasdaq:PTGX) today announced that its Board of Directors has authorized a share repurchase program under which the Company may repurchase up to $300 million of its outstanding common stock. The Company intends to fund the share repurchases from its cash, cash equivalents, and marketable securities, and from royalties and other payments received under the Company's collaboration arrangements with Takeda related to MIMRYLOTM (rusfertide) and with Johnson & Johnson related to ICOTYDETM (icotrokinra).
Accesswire • Sep 8, 2026

Protagonist Therapeutics to Participate in Two Investment Bank Conferences in September 2026
NEWARK, CA / ACCESS Newswire / September 2, 2026 / Protagonist Therapeutics (NASDAQ:PTGX) ("Protagonist" or "the Company") today announced that Dinesh V. Patel, Ph.D.
Accesswire • Sep 2, 2026

Protagonist Wins FDA Approval for MIMRYLO in Rare Blood Cancer Treatment
Protagonist Therapeutics NASDAQ: PTGX said the U.S. Food and Drug Administration has approved rusfertide, to be marketed as MIMRYLO, for the treatment of erythrocytosis in adults with polycythemia vera, or PV.
MarketBeat • Aug 31, 2026

Protagonist Therapeutics, Inc. (PTGX) Discusses FDA Approval of Mimrylo for Erythrocytosis in Polycythemia Vera Transcript
Protagonist Therapeutics, Inc. (PTGX) Discusses FDA Approval of Mimrylo for Erythrocytosis in Polycythemia Vera Transcript
Seeking Alpha • Aug 31, 2026

Johnson & Johnson Owns Stakes in 15 Stocks. Here's the Best of the Bunch.
J&J's portfolio primarily includes small biotech and medtech companies. Its largest investment is in the company in its portfolio with the largest market cap.
The Motley Fool • Aug 31, 2026

Protagonist Therapeutics Announces U.S. FDA Approval of Hepcidin Mimetic Peptide MIMRYLO(TM) (rusfertide) for Polycythemia Vera
MIMRYLO™ is the First and Only Hepcidin Mimetic Peptide Therapy Approved for the Treatment of Erythrocytosis in Adults with Polycythemia Vera, Offering a Novel Mechanism to Maintain Hematocrit Control, Meaningfully Reduce Phlebotomy Burden, and Improve Fatigue Approval Supported by Phase 3 VERIFY Results Showing 76.9% of Patients Achieved Response During Weeks 20-32 FDA Approval Triggers $275M in Milestones, 14%-29% Royalties, with Up to an Additional $875M in Potential Future Milestones Investor call to be held Monday, August 31st at 8:30 am ET NEWARK, CA / ACCESS Newswire / August 28, 2026 / Protagonist Therapeutics, Inc. (NASDAQ:PTGX) ("Protagonist" or "the Company") announced today that Takeda received U.S. Food and Drug Administration (FDA) approval for MIMRYLO (rusfertide), a subcutaneously delivered first-in-class hepcidin mimetic peptide for the treatment of erythrocytosis in adults with polycythemia vera (PV). MIMRYLO is the first and only hepcidin mimetic approved for polycythemia vera (PV), a blood cancer characterized by excessive production of red blood cells.
Accesswire • Aug 29, 2026

Protagonist Therapeutics Reports Granting of Inducement Awards
NEWARK, CA / ACCESS Newswire / August 18, 2026 / Protagonist Therapeutics, Inc. (Nasdaq:PTGX) today reported that on August 17, 2026, it granted inducement awards to two recently hired employees in accordance with the terms of their employment offer letters. The awards were granted under the Protagonist Therapeutics Amended and Restated Inducement Plan, which was adopted May 29, 2018, and amended February 18, 2020 and February 15, 2022.
Accesswire • Aug 18, 2026

Protagonist Therapeutics: "Strong Buy" ICOTYDE FDA Approval And PN-881 Advancement
Protagonist Therapeutics (PTGX) maintains a "Strong Buy" rating, driven by FDA approval of ICOTYDE for moderate-to-severe plaque psoriasis and strong partnership economics. Company is advancing rusfertide for polycythemia vera, with FDA Priority Review decision expected August 2026 and substantial milestone and royalty potential from Takeda. Development pipeline includes oral IL-17 antagonist PN-881 for psoriasis and other inflammatory disorders, with phase 2b study initiation planned for Q1 2027.
Seeking Alpha • Aug 12, 2026

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