OS Therapies (OSTX) Shares Outstanding (Diluted) (2023 - 2026)
OS Therapies' Shares Outstanding (Diluted) was 43.9 million in Q2 2026, up 74.8% from 25.11 million a year earlier and up 13.5% from the prior quarter.
OS Therapies (OSTX) Shares Outstanding (Diluted) (2023 - 2026) Analysis & Trends
For FY2025, Shares Outstanding (Diluted) at OS Therapies came in at 29.25 million, up 320.9% from FY2024.
- In earlier years, Shares Outstanding (Diluted) was 6.95 million in FY2024 (+30.2%) and 5.34 million in FY2023.
- The Q2 2026 figure marks the highest quarterly Shares Outstanding (Diluted) in data going back to Q2 2023.
- Compared with a year earlier, Shares Outstanding (Diluted) has increased for nine straight quarters, with growth averaging 172.6% over the last eight quarters.
- Across the past five years, year-over-year growth in Shares Outstanding (Diluted) ran from 12.2% in Q2 2024 to 320.9% in Q4 2025.
- Per Business Quant data, OSTX's Shares Outstanding (Diluted) in the three quarters before Q2 2026 was 38.67 million (Q1 2026), 29.25 million (Q4 2025) and 31.96 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 | OS Therapies | 7.73 Mn | 7.73 Mn | - | 43.90 Mn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 43.90 Mn |
| Mar 31, 2026 | 38.67 Mn |
| Dec 31, 2025 | 29.25 Mn |
| Sep 30, 2025 | 31.96 Mn |
| Jun 30, 2025 | 25.11 Mn |
| Mar 31, 2025 | 21.25 Mn |
| Dec 31, 2024 | 6.95 Mn |
| Sep 30, 2024 | 15.90 Mn |
| Jun 30, 2024 | 5.99 Mn |
| Mar 31, 2024 | 5.99 Mn |
| Dec 31, 2023 | 5.34 Mn |
| Sep 30, 2023 | 5.34 Mn |
| Jun 30, 2023 | 5.34 Mn |
OS Therapies 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=OSTX&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "OSTX", "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=OSTX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();