Ptc Therapeutics (PTCT) Shares Outstanding (Diluted) (2012 - 2026)
Ptc Therapeutics' Weighted Average Shares Outstanding (Diluted) was 83.48 million in Q3 2026, down 4.2% from 87.12 million a year earlier and down 9.3% from the prior quarter.
Ptc Therapeutics (PTCT) Shares Outstanding (Diluted) (2012 - 2026) Analysis & Trends
For FY2025, Weighted Average Shares Outstanding (Diluted) at Ptc Therapeutics came in at 88.31 million, up 14.9% from FY2024.
- Weighted Average 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, Weighted Average 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%).
- Quarterly Weighted Average Shares Outstanding (Diluted) has moved between 70.47 million (Q4 2021) and 92.02 million (Q2 2026) over five years.
- Compared with a year earlier, Weighted Average Shares Outstanding (Diluted) was higher in six of the last eight quarters, with growth averaging 6.8%.
- The best year-over-year quarter for Weighted Average Shares Outstanding (Diluted) over five years was Q2 2026 (growth of 17.7%); the worst was Q1 2026 (a decline of 4.5%).
- Per Business Quant data, PTCT's Weighted Average Shares Outstanding (Diluted) in the three quarters before Q3 2026 was 92.02 million (Q2 2026), 82.52 million (Q1 2026) and 88.31 million (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,348.13 Bn | 1,321.74 Bn | 20.46 Bn | 893.40 Mn |
| 2 | Johnson & Johnson | 675.90 Bn | 595.76 Bn | 17.30 Bn | 2.45 Bn |
| 3 | AbbVie | 519.45 Bn | 487.50 Bn | 13.12 Bn | 1.77 Bn |
| 4 | Merck | 364.95 Bn | 327.95 Bn | 13.19 Bn | 2.48 Bn |
| 5 | Novartis Ag | 311.58 Bn | 285.16 Bn | - | 1.96 Bn |
| 6 | Astrazeneca | 289.34 Bn | 262.94 Bn | 13.26 Bn | 1.56 Bn |
| 7 | Amgen | 251.64 Bn | 203.30 Bn | 7.58 Bn | 546.00 Mn |
| 8 | Gilead Sciences | 212.05 Bn | 187.07 Bn | 6.73 Bn | 1.25 Bn |
| 9 | Pfizer | 167.35 Bn | 115.00 Bn | 12.56 Bn | 5.75 Bn |
| 10 | Ptc Therapeutics | 5.36 Bn | -2.84 Bn | 334.14 Mn | 83.48 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 83.48 Mn |
| 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 |
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();