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Shares outstandingAs of 2026-07-31 · filed common shares: 64.70M
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Insider ownershipDirectors and officers, from their latest Form 3/4/5 holding: 0.97%
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Short interestShare of shares outstanding, at settlement: 11.92%
Short ratioDays to cover, as published by FINRA: 15.34
Short volume (5D)Share of FINRA reporting-facility volume sold short, daily flow: 76.00%
Short volume (20D)Share of FINRA reporting-facility volume sold short, daily flow: 75.40%
Avg volume (10D)

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Source: SEC filings. Information and analytics, not investment advice.

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Rev growth (fwd)

Avg volume (3 months)

Profitability

Gross margin: —
Operating marginTTM to Jun 26: 20.69%
Net margin: —
EBITDA marginTTM to Jun 26: 21.24%
Return on equityNet income (TTM to Jun 26) ÷ average shareholders equity: 10.98%
Return on assetsNet income (TTM to Jun 26) ÷ average total assets: 10.34%

Growth

Revenue growth (annual YoY): -89.41%
Revenue growth (latest qtr YoY): 3749.17%
Revenue growth (fwd): Sign in
Net income growth (annual YoY)FY Dec 25 vs FY Dec 24: -147.29%
Net income growth (latest qtr YoY): —
EPS growth (fwd): Sign in
Net income growth (QoQ): 4204.76%

Valuation

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EPSDiluted, TTM to Jun 26: 1.03
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Financial health

Cash & equivalentsas of Jun 26: $420.07M
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Total debtBorrowings + finance and operating lease liabilities, as of Jun 26: $9.21M
Debt / equityas of Jun 26: 1.10%
Current ratioas of Jun 26: 21.71
Quick ratio: —
Operating cash flowTTM to Jun 26: $131.19M
Free cash flowUnadjusted FCF = CFO − capex · TTM to Jun 26: $130.58M
TTM revenue / diluted shareDiluted, TTM to Jun 26: 4.19

PTGX stock Statistics — Protagonist Therapeutics, Inc filings, insiders & smart money · Instaport