Mustang Bio (MBIO) Shares Outstanding (2015 - 2026)
Mustang Bio's Shares Outstanding was 6.73 million in Q2 2026, up 67.4% from 4.02 million a year earlier and unchanged from the prior quarter.
Powered by 
Analysis
Mustang Bio (MBIO) Shares Outstanding (2015 - 2026) Analysis & Trends
For FY2025, Shares Outstanding at Mustang Bio came in at 4.91 million, up 705.0% from FY2024.
- Shares Outstanding shows a five-year compound annual growth rate of 7.0% (FY2020 to FY2025).
- In earlier years, Shares Outstanding was 609,696 in FY2024 (-92.9%), 8.6 million in FY2023 (+24.8%), 6.9 million in FY2022 (+17.7%) and 5.86 million in FY2021 (+67.1%).
- The Q2 2026 figure marks the highest quarterly Shares Outstanding since Q3 2024.
- Compared with a year earlier, Shares Outstanding has increased for three straight quarters, with growth averaging 115.7% over the last eight quarters.
- The best year-over-year quarter for Shares Outstanding over five years was Q4 2025 (growth of 705.0%); the worst was Q4 2024 (a decline of 92.9%).
- Per Business Quant data, MBIO's Shares Outstanding in the three quarters before Q2 2026 was 6.73 million (Q1 2026), 4.91 million (Q4 2025) and 6.24 million (Q3 2025).
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 | Mustang Bio | 3.10 Mn | 3.10 Mn | - | 6.73 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 6.73 Mn |
| Mar 31, 2026 | 6.73 Mn |
| Dec 31, 2025 | 4.91 Mn |
| Sep 30, 2025 | 6.24 Mn |
| Jun 30, 2025 | 4.02 Mn |
| Mar 31, 2025 | 2.86 Mn |
| Dec 31, 2024 | 609,696.00 |
| Sep 30, 2024 | 36.84 Mn |
| Jun 30, 2024 | 23.12 Mn |
| Mar 31, 2024 | 11.25 Mn |
| Dec 31, 2023 | 8.60 Mn |
| Sep 30, 2023 | 8.17 Mn |
| Jun 30, 2023 | 8.13 Mn |
| Mar 31, 2023 | 8.09 Mn |
| Dec 31, 2022 | 6.90 Mn |
| Sep 30, 2022 | 7.06 Mn |
| Jun 30, 2022 | 6.86 Mn |
| Mar 31, 2022 | 6.53 Mn |
| Dec 31, 2021 | 5.86 Mn |
| Sep 30, 2021 | 6.08 Mn |
API Access
Mustang Bio 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=MBIO&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "ticker": "MBIO", "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=MBIO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();