Aura Biosciences (AURA) Shares Outstanding (Diluted) (2021 - 2026)
Aura Biosciences' Shares Outstanding (Diluted) came in at 94.86 million for Q2 2026, up 63.5% from 58.02 million a year earlier and up 40.6% from the prior quarter.
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Aura Biosciences (AURA) Shares Outstanding (Diluted) (2021 - 2026) Analysis & Trends
For FY2025, Aura Biosciences' Shares Outstanding (Diluted) was 60.34 million, up 21.5% from FY2024.
- Shares Outstanding (Diluted) has increased in each of the last four years, with a four-year compound annual growth rate of 84.9% (FY2021 to FY2025).
- Going back by year, Shares Outstanding (Diluted) was 49.65 million in FY2024 (+25.3%), 39.62 million in FY2023 (+32.3%), 29.94 million in FY2022 (+480.2%) and 5.16 million in FY2021.
- The Q2 2026 figure represents the highest quarterly Shares Outstanding (Diluted) in data going back to Q2 2021.
- Year-over-year, Shares Outstanding (Diluted) has increased for 15 consecutive quarters, with growth averaging 28.3% over the last eight quarters.
- Over the past five years, the year-over-year growth in Shares Outstanding (Diluted) ranged from 1.4% (Q1 2025) to 480.2% (Q4 2022).
- Business Quant data shows AURA's Shares Outstanding (Diluted) at 67.45 million (Q1 2026), 60.34 million (Q4 2025) and 65.94 million (Q3 2025) in the three quarters before Q2 2026.
Peer Set
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 | Aura Biosciences | 649.85 Mn | 390.16 Mn | - | 94.86 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 94.86 Mn |
| Mar 31, 2026 | 67.45 Mn |
| Dec 31, 2025 | 60.34 Mn |
| Sep 30, 2025 | 65.94 Mn |
| Jun 30, 2025 | 58.02 Mn |
| Mar 31, 2025 | 50.13 Mn |
| Dec 31, 2024 | 49.65 Mn |
| Sep 30, 2024 | 49.66 Mn |
| Jun 30, 2024 | 49.55 Mn |
| Mar 31, 2024 | 49.45 Mn |
| Dec 31, 2023 | 39.62 Mn |
| Sep 30, 2023 | 38.19 Mn |
| Jun 30, 2023 | 37.86 Mn |
| Mar 31, 2023 | 37.78 Mn |
| Dec 31, 2022 | 29.94 Mn |
| Sep 30, 2022 | 29.27 Mn |
| Jun 30, 2022 | 29.25 Mn |
| Mar 31, 2022 | 29.21 Mn |
| Dec 31, 2021 | 5.16 Mn |
| Sep 30, 2021 | 441,448.00 |
API Access
Aura Biosciences 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=AURA&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "AURA", "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=AURA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();