55.21
price up icon1.01%   0.55
pre-market  Pre-market:  54.01   -1.20   -2.17%
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Protagonist Therapeutics Inc stock is traded at $55.21, with a volume of 1.27M. It is up +1.01% in the last 24 hours and up +24.10% over the past month. Protagonist Therapeutics Inc is a clinical-stage biopharmaceutical company having a proprietary technology platform that enables the discovery and development of novel constrained peptide-based drug candidates to address medical needs. Its pipeline products include Rusfertide (PTG-300) and JNJ-2113.
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Previous Close:
$54.66
Open:
$54.66
24h Volume:
1.27M
Relative Volume:
1.22
Market Cap:
$3.49B
Revenue:
$45.48M
Net Income/Loss:
$169.95M
P/E Ratio:
21.07
EPS:
2.62
Net Cash Flow:
$230.85M
1W Performance:
-2.06%
1M Performance:
+24.10%
6M Performance:
+35.68%
1Y Performance:
+70.03%
1-Day Range:
Value
$54.15
$55.35
1-Week Range:
Value
$54.15
$57.18
52-Week Range:
Value
$30.67
$60.60

Protagonist Therapeutics Inc Stock (PTGX) Company Profile

Name
Name
Protagonist Therapeutics Inc
Name
Phone
(510) 474-0170
Name
Address
7707 GATEWAY BLVD., SUITE 140, NEWARK, CA
Name
Employee
124
Name
Twitter
Name
Next Earnings Date
2025-05-02
Name
Latest SEC Filings
Name
PTGX's Discussions on Twitter

Compare PTGX with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
PTGX
Protagonist Therapeutics Inc
55.21 3.49B 45.48M 169.95M 230.85M 2.62
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
441.99 115.95B 11.10B -988.90M -1.26B -3.92
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
508.86 56.52B 14.09B 4.50B 2.96B 39.28
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
308.71 39.44B 2.35B -269.70M -75.39M -2.09
Biotechnology icon
ARGX
Argen X Se Adr
540.71 35.14B 2.58B 1.06B -1.28B 16.33
Biotechnology icon
ONC
Beone Medicines Ltd Adr
254.09 28.51B 3.81B -644.79M -669.77M -6.24

Protagonist Therapeutics Inc Stock (PTGX) Upgrades & Downgrades

Date Action Analyst Rating Change
Dec-06-24 Initiated BMO Capital Markets Outperform
Dec-06-24 Initiated Goldman Neutral
Nov-05-24 Initiated Wedbush Outperform
Sep-24-24 Initiated TD Cowen Buy
Sep-09-24 Initiated Truist Buy
Oct-30-23 Initiated CapitalOne Overweight
May-25-23 Resumed Jefferies Buy
Aug-25-22 Initiated JMP Securities Mkt Outperform
Feb-11-22 Initiated BTIG Research Buy
Oct-12-21 Upgrade JP Morgan Neutral → Overweight
Oct-11-21 Upgrade Northland Capital Market Perform → Outperform
Sep-20-21 Downgrade JP Morgan Overweight → Neutral
May-24-21 Initiated JMP Securities Mkt Outperform
May-24-21 Initiated Northland Capital Outperform
Jan-06-21 Initiated JP Morgan Overweight
Dec-16-20 Initiated Piper Sandler Overweight
Sep-18-20 Reiterated H.C. Wainwright Buy
Jul-15-20 Initiated Jefferies Buy
May-18-20 Reiterated H.C. Wainwright Buy
Jul-08-19 Initiated H.C. Wainwright Buy
May-09-19 Upgrade Stifel Hold → Buy
Dec-06-18 Initiated Nomura Buy
Jan-29-18 Initiated Stifel Buy
Jul-21-17 Initiated BTIG Research Buy
View All

Protagonist Therapeutics Inc Stock (PTGX) Latest News

pulisher
Jun 17, 2025

BIOTECHNOLOGY VALUE FUND L P's Strategic Acquisition in Protagonist Therapeutics Inc - GuruFocus

Jun 17, 2025
pulisher
Jun 17, 2025

Citigroup Initiates Coverage on Protagonist Therapeutics (PTGX) with a 'Buy' Rating | PTGX Stock News - GuruFocus

Jun 17, 2025
pulisher
Jun 17, 2025

Protagonist Therapeutics (PTGX) Initiated at Buy by Citi with $7 - GuruFocus

Jun 17, 2025
pulisher
Jun 17, 2025

Citigroup Initiates Protagonist Therapeutics at Buy With $72 Price Target - marketscreener.com

Jun 17, 2025
pulisher
Jun 16, 2025

How To Trade (PTGX) - news.stocktradersdaily.com

Jun 16, 2025
pulisher
Jun 16, 2025

Protagonist Therapeutics, Inc. (NASDAQ:PTGX) Given Consensus Rating of "Buy" by Analysts - MarketBeat

Jun 16, 2025
pulisher
Jun 16, 2025

GAMMA Investing LLC Raises Stake in Protagonist Therapeutics, Inc. (NASDAQ:PTGX) - MarketBeat

Jun 16, 2025
pulisher
Jun 14, 2025

Protagonist Therapeutics, Inc. (NASDAQ:PTGX) Insider Sells $570,300.00 in Stock - MarketBeat

Jun 14, 2025
pulisher
Jun 14, 2025

Protagonist Therapeutics’ SWOT analysis: promising pipeline drives stock outlook By Investing.com - Investing.com Canada

Jun 14, 2025
pulisher
Jun 14, 2025

Protagonist Therapeutics’ SWOT analysis: promising pipeline drives stock outlook - Investing.com

Jun 14, 2025
pulisher
Jun 13, 2025

Subdued Growth No Barrier To Protagonist Therapeutics, Inc. (NASDAQ:PTGX) With Shares Advancing 27% - simplywall.st

Jun 13, 2025
pulisher
Jun 11, 2025

Protagonist Therapeutics to Participate in the Jefferies Global Healthcare Conference 2025 - The Columbus Dispatch

Jun 11, 2025
pulisher
Jun 11, 2025

Protagonist Therapeutics (NASDAQ:PTGX) Rating Increased to Hold at Wall Street Zen - MarketBeat

Jun 11, 2025
pulisher
Jun 10, 2025

Hennion & Walsh Asset Management Inc. Has $1.26 Million Stake in Protagonist Therapeutics, Inc. (NASDAQ:PTGX) - MarketBeat

Jun 10, 2025
pulisher
Jun 09, 2025

California State Teachers Retirement System Sells 316 Shares of Protagonist Therapeutics, Inc. (NASDAQ:PTGX) - Defense World

Jun 09, 2025
pulisher
Jun 08, 2025

Protagonist Therapeutics (NASDAQ:PTGX) Upgraded to “Hold” at Wall Street Zen - Defense World

Jun 08, 2025
pulisher
Jun 06, 2025

Protagonist Therapeutics Stock Price, Quotes and Forecasts | NASDAQ:PTGX - Benzinga

Jun 06, 2025
pulisher
Jun 05, 2025

Exploring Three High Growth Tech Stocks In The US Market - Yahoo Finance

Jun 05, 2025
pulisher
Jun 04, 2025

(PTGX) Long Term Investment Analysis - news.stocktradersdaily.com

Jun 04, 2025
pulisher
Jun 04, 2025

Protagonist Therapeutics (NASDAQ:PTGX) Cut to "Sell" at Wall Street Zen - MarketBeat

Jun 04, 2025
pulisher
Jun 04, 2025

Protagonist Therapeutics’ (PTGX) “Buy” Rating Reaffirmed at HC Wainwright - Defense World

Jun 04, 2025
pulisher
Jun 03, 2025

Protagonist-Takeda, Novartis post phase III wins - BioWorld MedTech

Jun 03, 2025
pulisher
Jun 03, 2025

H.C. Wainwright reaffirms Buy rating on Protagonist Therapeutics stock By Investing.com - Investing.com UK

Jun 03, 2025
pulisher
Jun 03, 2025

BTIG maintains buy rating on Protagonist Therapeutics stock By Investing.com - Investing.com UK

Jun 03, 2025
pulisher
Jun 03, 2025

Protagonist Therapeutics (PTGX) Rating and Price Target Reaffirmed | PTGX Stock News - GuruFocus

Jun 03, 2025
pulisher
Jun 02, 2025

Protagonist Therapeutics: Promising Future with Rusfertide as a Standard of Care for Polycythemia Vera - TipRanks

Jun 02, 2025
pulisher
Jun 02, 2025

ASCO 2025: Protagonist-Takeda, Novartis post phase III wins - BioWorld MedTech

Jun 02, 2025
pulisher
Jun 02, 2025

Transcript : Protagonist Therapeutics, Inc.Special Call - marketscreener.com

Jun 02, 2025
pulisher
Jun 02, 2025

Protagonist Therapeutics, Inc. and Takeda Announce Asco Plenary Presentation Highlighting Full 32-Week Results from Phase 3 Verify Study of Rusfertide - marketscreener.com

Jun 02, 2025
pulisher
Jun 02, 2025

Protagonist Therapeutics, Takeda's Potential Polycythemia Vera Drug Meets Primary Endpoint - marketscreener.com

Jun 02, 2025
pulisher
Jun 02, 2025

Protagonist Therapeutics (PTGX): Promising Phase 3 Results for R - GuruFocus

Jun 02, 2025
pulisher
Jun 01, 2025

Protagonist Therapeutics (PTGX): Promising Phase 3 Results for Rusfertide | PTGX Stock News - GuruFocus

Jun 01, 2025
pulisher
Jun 01, 2025

Protagonist and Takeda Announce ASCO Plenary Presentation Highlighting Full 32-Week Results from Phase 3 VERIFY Study of Rusfertide, Showing Reductions in Phlebotomy, Improved Hematocrit Control in Polycythemia Vera - Quantisnow

Jun 01, 2025
pulisher
May 31, 2025

Protagonist Therapeutics (NASDAQ:PTGX) Downgraded to Sell Rating by Wall Street Zen - Defense World

May 31, 2025
pulisher
May 29, 2025

Cache Advisors LLC Makes New $392,000 Investment in Protagonist Therapeutics, Inc. (NASDAQ:PTGX) - MarketBeat

May 29, 2025
pulisher
May 28, 2025

Protagonist Therapeutics (PTGX) Rose on Positive Trial Outcome - MSN

May 28, 2025
pulisher
May 28, 2025

D. E. Shaw & Co. Inc. Sells 21,121 Shares of Protagonist Therapeutics, Inc. (NASDAQ:PTGX) - Defense World

May 28, 2025
pulisher
May 28, 2025

Bank of America Corp DE Has $5.21 Million Stake in Protagonist Therapeutics, Inc. (NASDAQ:PTGX) - Defense World

May 28, 2025
pulisher
May 27, 2025

Protagonist Therapeutics’ SWOT analysis: stock poised for growth amid clinical advancements - Investing.com India

May 27, 2025
pulisher
May 25, 2025

Protagonist Therapeutics, Inc. (NASDAQ:PTGX) Position Reduced by Ameriprise Financial Inc. - Defense World

May 25, 2025
pulisher
May 24, 2025

Protagonist Therapeutics' (PTGX) Buy Rating Reiterated at HC Wainwright - MarketBeat

May 24, 2025
pulisher
May 23, 2025

BNP Paribas Financial Markets Has $751,000 Stake in Protagonist Therapeutics, Inc. (NASDAQ:PTGX) - Defense World

May 23, 2025
pulisher
May 23, 2025

Protagonist Therapeutics earnings missed by $0.13, revenue fell short of estimates - Investing.com Canada

May 23, 2025
pulisher
May 21, 2025

Protagonist Therapeutics to Participate in the Jefferies Global Healthcare Conference 2025 | PTGX Stock News - GuruFocus

May 21, 2025
pulisher
May 21, 2025

Exclusive: Protagonist Therapeutics CEO Reveals Company Strategy at Major Jefferies Healthcare Conference - Stock Titan

May 21, 2025
pulisher
May 20, 2025

Protagonist Therapeutics, Inc. (NASDAQ:PTGX) Receives Average Rating of “Buy” from Analysts - Defense World

May 20, 2025
pulisher
May 20, 2025

Protagonist Therapeutics (NASDAQ:PTGX) Given “Buy” Rating at HC Wainwright - Defense World

May 20, 2025
pulisher
May 19, 2025

PTGX: HC Wainwright & Co. Reiterates Buy Rating with $80 Target | PTGX Stock News - GuruFocus

May 19, 2025
pulisher
May 19, 2025

PTGX: HC Wainwright & Co. Reiterates Buy Rating with $80 Target - GuruFocus

May 19, 2025
pulisher
May 14, 2025

First-in-class oral peptide for IL-17 pathway inhibition unveiled - BioWorld MedTech

May 14, 2025
pulisher
May 12, 2025

Protagonist Therapeutics Insiders Sold US$5.1m Of Shares Suggesting Hesitancy - simplywall.st

May 12, 2025

Protagonist Therapeutics Inc Stock (PTGX) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$22.03
price down icon 3.63%
$34.56
price down icon 1.54%
$19.85
price down icon 0.50%
$100.28
price down icon 1.29%
$104.97
price down icon 1.28%
biotechnology ONC
$254.09
price down icon 3.91%
Cap:     |  Volume (24h):