Altimmune (ALT) Shares Outstanding (2010 - 2026)
Altimmune (ALT) reported Shares Outstanding of 185.44 million for Q2 2026, up 127.6% from 81.48 million a year earlier and up 49.0% from the prior quarter.
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Analysis
Altimmune (ALT) Shares Outstanding (2010 - 2026) Analysis & Trends
For FY2025, Altimmune posted Shares Outstanding of 88.1 million, up 24.1% from FY2024.
- Shares Outstanding has increased for 15 consecutive years, with a five-year compound annual growth rate of 28.0% (FY2020 to FY2025).
- By year, Shares Outstanding came in at 71 million in FY2024 (+33.3%), 53.25 million in FY2023 (+13.5%), 46.93 million in FY2022 (+13.7%) and 41.28 million in FY2021 (+61.0%).
- The Q2 2026 figure ranks as the highest quarterly Shares Outstanding in data going back to Q2 2010.
- Year over year, Shares Outstanding has now increased in each of the last 27 quarters, with growth averaging 41.2% over the last eight quarters.
- Over the past five years, the year-over-year growth in Shares Outstanding ranged from 6.7% (Q1 2025) to 127.6% (Q2 2026).
- Per Business Quant data, the three quarters before Q2 2026 came in at 124.46 million (Q1 2026), 88.1 million (Q4 2025) and 89.42 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 | Altimmune | 556.20 Mn | 556.20 Mn | - | 185.44 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 185.44 Mn |
| Mar 31, 2026 | 124.46 Mn |
| Dec 31, 2025 | 88.10 Mn |
| Sep 30, 2025 | 89.42 Mn |
| Jun 30, 2025 | 81.48 Mn |
| Mar 31, 2025 | 75.55 Mn |
| Dec 31, 2024 | 71.00 Mn |
| Sep 30, 2024 | 71.08 Mn |
| Jun 30, 2024 | 70.92 Mn |
| Mar 31, 2024 | 70.80 Mn |
| Dec 31, 2023 | 53.25 Mn |
| Sep 30, 2023 | 53.63 Mn |
| Jun 30, 2023 | 50.69 Mn |
| Mar 31, 2023 | 50.13 Mn |
| Dec 31, 2022 | 46.93 Mn |
| Sep 30, 2022 | 49.29 Mn |
| Jun 30, 2022 | 47.50 Mn |
| Mar 31, 2022 | 43.97 Mn |
| Dec 31, 2021 | 41.28 Mn |
| Sep 30, 2021 | 41.37 Mn |
API Access
Altimmune 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=ALT&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "ticker": "ALT", "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=ALT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();