Protagonist Therapeutics PTGX
NASDAQ PTGX
$139.19 -1.70 (-1.21%)
At close: Oct 1, 2026 · 4:00 PM EDT

Protagonist Therapeutics (PTGX) Shares Outstanding (2015 - 2026)

Updated

Protagonist Therapeutics' Shares Outstanding came in at 65.94 million for Q2 2026, up 3.8% from 63.51 million a year earlier and up 1.3% from the prior quarter.

Analysis

Protagonist Therapeutics (PTGX) Shares Outstanding (2015 - 2026) Analysis & Trends

For FY2025, Protagonist Therapeutics' Shares Outstanding was 63.57 million, up 3.3% from FY2024.

  • Shares Outstanding has increased in each of the last nine years, with a five-year compound annual growth rate of 13.1% (FY2020 to FY2025).
  • Going back by year, Shares Outstanding was 61.57 million in FY2024 (+8.5%), 56.76 million in FY2023 (+15.7%), 49.04 million in FY2022 (+5.9%) and 46.32 million in FY2021 (+34.7%).
  • The Q2 2026 figure represents the highest quarterly Shares Outstanding in data going back to Q3 2015.
  • Year-over-year, Shares Outstanding has increased for 36 consecutive quarters, with growth averaging 4.2% over the last eight quarters.
  • Across the past five years, year-over-year growth in Shares Outstanding ran from 2.3% in Q3 2022 to 34.7% in Q4 2021.
  • Business Quant data shows PTGX's Shares Outstanding at 65.09 million (Q1 2026), 63.57 million (Q4 2025) and 63.77 million (Q3 2025) in the three quarters before Q2 2026.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Qtr)
1 Johnson & Johnson 638.12 Bn 556.64 Bn 17.26 Bn 2.41 Bn
2 AbbVie 462.60 Bn 435.75 Bn 12.70 Bn 1.77 Bn
3 Merck 358.70 Bn 313.13 Bn 12.21 Bn 2.47 Bn
4 Novartis Ag 272.16 Bn 228.03 Bn 11.24 Bn 1.94 Bn
5 Astrazeneca 250.36 Bn 223.92 Bn 12.86 Bn 1.55 Bn
6 Amgen 227.87 Bn 183.27 Bn 7.24 Bn 540.00 Mn
7 Gilead Sciences 184.97 Bn 159.08 Bn 6.22 Bn 1.24 Bn
8 Pfizer 162.61 Bn 109.56 Bn 10.94 Bn 5.70 Bn
9 Vertex Pharmaceuticals 132.45 Bn 104.46 Bn 2.84 Bn 253.70 Mn
10 Protagonist Therapeutics 9.11 Bn 9.11 Bn - 65.94 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 65.94 Mn
Mar 31, 2026 65.09 Mn
Dec 31, 2025 63.57 Mn
Sep 30, 2025 63.77 Mn
Jun 30, 2025 63.51 Mn
Mar 31, 2025 62.96 Mn
Dec 31, 2024 61.57 Mn
Sep 30, 2024 61.77 Mn
Jun 30, 2024 61.31 Mn
Mar 31, 2024 60.86 Mn
Dec 31, 2023 56.76 Mn
Sep 30, 2023 59.18 Mn
Jun 30, 2023 56.78 Mn
Mar 31, 2023 50.57 Mn
Dec 31, 2022 49.04 Mn
Sep 30, 2022 49.11 Mn
Jun 30, 2022 49.05 Mn
Mar 31, 2022 48.75 Mn
Dec 31, 2021 46.32 Mn
Sep 30, 2021 47.99 Mn
API Access

Protagonist Therapeutics Shares Outstanding API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding&ticker=PTGX&period=max&api_key=YOUR_API_KEY