Quantum-Si (QSI) Shares Outstanding (Diluted) (2020 - 2026)
Quantum-Si (QSI) reported Weighted Average Shares Outstanding (Diluted) of 217.8 million for Q2 2026, up 18.6% from 183.63 million a year earlier and up 0.6% from the prior quarter.
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Analysis
Quantum-Si (QSI) Shares Outstanding (Diluted) (2020 - 2026) Analysis & Trends
For FY2025, Quantum-Si posted Weighted Average Shares Outstanding (Diluted) of 197.77 million, up 38.1% from FY2024.
- Weighted Average Shares Outstanding (Diluted) has increased for four consecutive years, with a five-year compound annual growth rate of 105.8% (FY2020 to FY2025).
- By year, Weighted Average Shares Outstanding (Diluted) came in at 143.2 million in FY2024 (+1.3%), 141.3 million in FY2023 (+1.5%), 139.26 million in FY2022 (+75.0%) and 79.58 million in FY2021.
- The Q2 2026 figure ranks as the highest quarterly Weighted Average Shares Outstanding (Diluted) in data going back to Q2 2020.
- Year over year, Weighted Average Shares Outstanding (Diluted) has now increased in each of the last 17 quarters, with growth averaging 22.8% over the last eight quarters.
- Over the past five years, the year-over-year growth in Weighted Average Shares Outstanding (Diluted) ranged from 0.3% (Q2 2024) to 276.8% (Q2 2022).
- Per Business Quant data, the three quarters before Q2 2026 came in at 216.47 million (Q1 2026), 197.77 million (Q4 2025) and 209.04 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Thermo Fisher Scientific | 257.79 Bn | 234.30 Bn | 5.13 Bn | 371.00 Mn |
| 2 | Abbott Laboratories | 190.83 Bn | 164.70 Bn | 7.39 Bn | 1.74 Bn |
| 3 | Danaher | 162.10 Bn | 141.75 Bn | 3.84 Bn | 706.80 Mn |
| 4 | Intuitive Surgical | 158.05 Bn | 138.34 Bn | 2.08 Bn | 351.60 Mn |
| 5 | Medtronic | 130.31 Bn | 95.56 Bn | 6.34 Bn | 1.29 Bn |
| 6 | Stryker | 124.76 Bn | 110.95 Bn | 4.25 Bn | 386.00 Mn |
| 7 | Boston Scientific | 62.03 Bn | 57.46 Bn | 3.43 Bn | 1.45 Bn |
| 8 | Edwards Lifesciences | 58.73 Bn | 41.94 Bn | 1.35 Bn | 577.60 Mn |
| 9 | Becton Dickinson | 58.33 Bn | 55.48 Bn | 2.32 Bn | 275.16 Mn |
| 10 | Quantum-Si | 290.15 Mn | -215.34 Mn | 74,000.00 | 218.98 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 218.98 Mn |
| Jun 30, 2026 | 217.80 Mn |
| Mar 31, 2026 | 216.47 Mn |
| Dec 31, 2025 | 197.77 Mn |
| Sep 30, 2025 | 209.04 Mn |
| Jun 30, 2025 | 183.63 Mn |
| Mar 31, 2025 | 182.30 Mn |
| Dec 31, 2024 | 143.20 Mn |
| Sep 30, 2024 | 142.40 Mn |
| Jun 30, 2024 | 141.94 Mn |
| Mar 31, 2024 | 141.77 Mn |
| Dec 31, 2023 | 141.30 Mn |
| Sep 30, 2023 | 141.66 Mn |
| Jun 30, 2023 | 141.51 Mn |
| Mar 31, 2023 | 140.28 Mn |
| Dec 31, 2022 | 139.26 Mn |
| Sep 30, 2022 | 139.54 Mn |
| Jun 30, 2022 | 139.00 Mn |
| Mar 31, 2022 | 138.62 Mn |
| Dec 31, 2021 | 79.58 Mn |
API Access
Quantum-Si 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=QSI&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "QSI", "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=QSI&period=max&api_key=YOUR_API_KEY");
const data = await res.json();