Protagonist Therapeutics, Inc.

Protagonist Therapeutics, Inc.

PTGXยทNASDAQ

$95.41

+1.5%
HealthcareBiotechnology

Protagonist Therapeutics, Inc., a biopharmaceutical company, discovers and develops peptide-based therapeutic drugs to address hematology and blood disorders, and inflammatory and immunomodulatory diseases. It is developing rusfertide (PTG-300), an injectable hepcidin mimetic that is in Phase II clinical trials for the treatment of patients with polycythemia vera and hereditary hemochromatosis, as well as for the treatment of other blood disorders; PN-943, an oral, alpha-4-beta-7 integrin- specific antagonist peptide that is in Phase II clinical trials for treating inflammatory bowel disease (IBD); and PN-235, an orally delivered interleukin-23 receptor specific antagonist for the treatment of IBD and non-IBD indications. The company has a license and collaboration agreement with Janssen Biotech, Inc. Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.

At a Glance

Live Snapshot
Market Cap$6.14B
EPS-2.0500
P/E Ratio-46.54
Earnings Date07/30/2026
ptgx

Protagonist Therapeutics, Inc. Street Expectations Map

PTGX ยท NASDAQ

Wall Street analysts project that PTGX stock may rise significantly over the coming 12 months. The consensus 1-year price target stands at 115.40, with estimates ranging from a low of 108.00 to a high of 121.00.

Lowest Target
108.00
13.20%
Consensus Target
115.40
20.95%
Highest Target
121.00
26.82%

The consensus 1-year price target stands at 115.40, with estimates ranging from a low of 108.00 to a high of 121.00.

Analyst Consensus Analysis

Upside Potential

+20.9%

Strong upside potential. Consensus indicates attractive return opportunity with favorable risk-reward profile.

Analyst Agreement

11.3% spread

High analyst agreement. Narrow target range indicates strong consensus on valuation, suggesting clear investment thesis and predictable outlook.

Analyst Conviction

Very High

Strong buy conviction: High upside with tight consensus suggests compelling investment opportunity backed by analyst confidence.

Market Sentiment Insight

Rare opportunity: Exceptional upside potential with strong analyst consensus creates a compelling setup. The combination of significant price target premium and tight agreement suggests high-conviction undervaluation that may attract institutional capital.

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Protagonist Therapeutics, Inc. Forward Estimates of Revenue

PTGX ยท NASDAQ
Latest Revenue
46.02M
FY 2025
Avg Estimate
503.79M
FY 2026
Estimate Range
462.13M - 541.62M
Analyst Spread

Forward Growth Analysis

Projected Growth+994.8%

Strong growth expectations signal robust business momentum and market opportunity expansion.

Analyst Coverage9 Analysts

Moderate coverageโ€”sufficient for guidance but may lack depth of large-cap analysis.

Estimate Spread16%

Reasonable estimate spread indicates general agreement with normal forecast variance.

OutlookStrong

Positive analyst consensus with strong growth expectations and forecast confidence.

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Protagonist Therapeutics, Inc. Forward Estimates of Net Income

PTGX ยท NASDAQ
Latest Net Income
-130.15M
FY 2025
Avg Estimate
258.16M
FY 2026
Estimate Range
-77.94M - 376.45M
Analyst Spread

Forward Growth Analysis

Projected Growth+298.4%

Strong growth expectations signal robust business momentum and market opportunity expansion.

Analyst Coverage9 Analysts

Moderate coverageโ€”sufficient for guidance but may lack depth of large-cap analysis.

Estimate Spread176%

Wide estimate range reveals significant forecast uncertainty and potential volatility.

OutlookPositive

Generally favorable outlook with reasonable growth prospects and analyst support.

Key Insight

High forecast uncertainty: Wide estimate range indicates analysts struggling to predict outcomesโ€”suggests elevated risk and potential volatility.

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Protagonist Therapeutics, Inc. Forward Estimates of EPS

PTGX ยท NASDAQ
Latest EPS
-2.05
FY 2025
Avg Estimate
$4.03
FY 2026
Estimate Range
$-1.23 - $5.92
Analyst Spread

Forward Growth Analysis

Projected Growth+296.8%

Strong growth expectations signal robust business momentum and market opportunity expansion.

Analyst Coverage8 Analysts

Moderate coverageโ€”sufficient for guidance but may lack depth of large-cap analysis.

Estimate Spread177%

Wide estimate range reveals significant forecast uncertainty and potential volatility.

OutlookPositive

Generally favorable outlook with reasonable growth prospects and analyst support.

Key Insight

High forecast uncertainty: Wide estimate range indicates analysts struggling to predict outcomesโ€”suggests elevated risk and potential volatility.

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Protagonist Therapeutics, Inc. Forward Estimates of EBIT

PTGX ยท NASDAQ
Latest EBIT
-129.31M
FY 2025
Avg Estimate
-344.39M
FY 2026
Estimate Range
-370.25M - -315.91M
Analyst Spread

Forward Growth Analysis

Projected Growth-166.3%

Significant contraction projectedโ€”major business challenges or industry disruption likely.

Analyst Coverage9 Analysts

Moderate coverageโ€”sufficient for guidance but may lack depth of large-cap analysis.

Estimate Spread16%

Reasonable estimate spread indicates general agreement with normal forecast variance.

OutlookNeutral

Mixed signalsโ€”some positive indicators offset by concerns about growth or uncertainty.

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Protagonist Therapeutics, Inc. Forward Estimates of EBITDA

PTGX ยท NASDAQ
Latest EBITDA
-128.09M
FY 2025
Avg Estimate
-344.20M
FY 2026
Estimate Range
-370.05M - -315.73M
Analyst Spread

Forward Growth Analysis

Projected Growth-168.7%

Significant contraction projectedโ€”major business challenges or industry disruption likely.

Analyst Coverage9 Analysts

Moderate coverageโ€”sufficient for guidance but may lack depth of large-cap analysis.

Estimate Spread16%

Reasonable estimate spread indicates general agreement with normal forecast variance.

OutlookNeutral

Mixed signalsโ€”some positive indicators offset by concerns about growth or uncertainty.

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Protagonist Therapeutics, Inc. Forward Estimates of SG&A Expense

PTGX ยท NASDAQ
Latest SG&A Expense
44.85M
FY 2025
Avg Estimate
385.01M
FY 2026
Estimate Range
353.17M - 413.92M
Analyst Spread

Forward Growth Analysis

Projected Growth+758.4%

Strong growth expectations signal robust business momentum and market opportunity expansion.

Analyst Coverage9 Analysts

Moderate coverageโ€”sufficient for guidance but may lack depth of large-cap analysis.

Estimate Spread16%

Reasonable estimate spread indicates general agreement with normal forecast variance.

OutlookStrong

Positive analyst consensus with strong growth expectations and forecast confidence.

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Protagonist Therapeutics, Inc. Insider Positioning

PTGX ยท NASDAQ

During the last 12 months, insiders have sold $40.92M worth of PTGX shares, with no buying activity reported.

3 Months

Bought

0

0.00

Sold

245.3K

24.90M

Net Activity

-24.9M

-$24.90M

3-6 Months

Bought

0

0.00

Sold

120.5K

10.02M

Net Activity

-10.0M

-$10.02M

6-9 Months

Bought

0

0.00

Sold

14.7K

1.19M

Net Activity

-1.2M

-$1.19M

9-12 Months

Bought

0

0.00

Sold

86.9K

4.81M

Net Activity

-4.8M

-$4.81M

Top Buyers

No buying activity

Top Sellers

1
PDVPD

Patel Dinesh V Ph D

Director, Officer: President And Ceo

256.9K sharesโ€ข9 transactions

$21.85M

2
GB

Giraudo Bryan

Director

41.1K sharesโ€ข2 transactions

$4.12M

3
WWD

Waddill William D.

Director

45.0K sharesโ€ข5 transactions

$3.77M

4
MAM

Molina Arturo Md

Officer: Chief Medical Officer

47.2K sharesโ€ข5 transactions

$3.71M

5
AA

Ali Asif

Officer: Chief Financial Officer

35.1K sharesโ€ข3 transactions

$3.47M

Insider Activity Analysis

Net Insider Sentiment

Bearish

Strong bearish signal with $40.92M net selling. Heavy insider selling may indicate concerns about valuation or near-term prospects.

Buy/Sell Ratio

0.00:1

Very poor ratio. Heavy selling with minimal buying suggests insiders may be concerned about valuation or outlook.

Recent Trend (3 Months)

$24.90M

Heavy recent selling activity. Recent insider sales notably exceed purchasesโ€”may warrant investigation into company developments.

Insider Participation

High Selling

5 insider sellers vs. 0 buyers. Widespread selling across multiple insiders may signal concerns.

Insider Activity Insight

Multiple red flags: Heavy selling, numerous sellers, and continued recent selling create a concerning pattern. Investigate fundamental drivers and consider whether company guidance or industry conditions have deteriorated.