Ptc Therapeutics (PTCT) Shares Outstanding (Diluted) (2012 - 2026)
Ptc Therapeutics' Shares Outstanding (Diluted) was 92.02 million in Q2 2026, up 17.7% from 78.15 million a year earlier and up 11.5% from the prior quarter.
Ptc Therapeutics (PTCT) Shares Outstanding (Diluted) (2012 - 2026) Analysis & Trends
For FY2025, Shares Outstanding (Diluted) at Ptc Therapeutics came in at 88.31 million, up 14.9% from FY2024.
- Shares Outstanding (Diluted) has now increased for seven consecutive years, with a five-year compound annual growth rate of 6.0% (FY2020 to FY2025).
- In earlier years, Shares Outstanding (Diluted) was 76.85 million in FY2024 (+2.7%), 74.84 million in FY2023 (+4.3%), 71.73 million in FY2022 (+1.8%) and 70.47 million in FY2021 (+6.7%).
- The Q2 2026 figure marks the highest quarterly Shares Outstanding (Diluted) in data going back to Q2 2012.
- Compared with a year earlier, Shares Outstanding (Diluted) was higher in seven of the last eight quarters, with growth averaging 7.6%.
- The best year-over-year quarter for Shares Outstanding (Diluted) over five years was Q3 2021 (growth of 19.9%); the worst was Q1 2026 (a decline of 4.5%).
- Per Business Quant data, PTCT's Shares Outstanding (Diluted) in the three quarters before Q2 2026 was 82.52 million (Q1 2026), 88.31 million (Q4 2025) and 87.12 million (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 638.12 Bn | 556.64 Bn | 17.26 Bn | 2.44 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 | 1.96 Bn |
| 5 | Astrazeneca | 250.36 Bn | 223.92 Bn | 12.86 Bn | 1.56 Bn |
| 6 | Amgen | 227.87 Bn | 183.27 Bn | 7.24 Bn | 544.00 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 | 255.20 Mn |
| 10 | Ptc Therapeutics | 5.40 Bn | -2.36 Bn | 340.60 Mn | 92.02 Mn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 92.02 Mn |
| Mar 31, 2026 | 82.52 Mn |
| Dec 31, 2025 | 88.31 Mn |
| Sep 30, 2025 | 87.12 Mn |
| Jun 30, 2025 | 78.15 Mn |
| Mar 31, 2025 | 86.39 Mn |
| Dec 31, 2024 | 76.85 Mn |
| Sep 30, 2024 | 76.93 Mn |
| Jun 30, 2024 | 76.73 Mn |
| Mar 31, 2024 | 76.50 Mn |
| Dec 31, 2023 | 74.84 Mn |
| Sep 30, 2023 | 75.38 Mn |
| Jun 30, 2023 | 74.73 Mn |
| Mar 31, 2023 | 73.73 Mn |
| Dec 31, 2022 | 71.73 Mn |
| Sep 30, 2022 | 71.65 Mn |
| Jun 30, 2022 | 71.37 Mn |
| Mar 31, 2022 | 71.22 Mn |
| Dec 31, 2021 | 70.47 Mn |
| Sep 30, 2021 | 70.59 Mn |
Ptc Therapeutics Shares Outstanding (Diluted) 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-diluted&ticker=PTCT&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "PTCT", "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-diluted&ticker=PTCT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();