Protagonist Therapeutics (PTGX) Shares Outstanding (2015 - 2026)
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.
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 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
| Date | Value |
|---|---|
| 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 |
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
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "ticker": "PTGX", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding&ticker=PTGX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();