Quantum-Si QSI
NASDAQ QSI
$1.55 +0.12 (+8.39%)
At close: Oct 2, 2026 · 4:00 PM EDT

Quantum-Si (QSI) Shares Outstanding (Diluted) (2020 - 2026)

Updated

Quantum-Si (QSI) reported 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.

Analysis

Quantum-Si (QSI) Shares Outstanding (Diluted) (2020 - 2026) Analysis & Trends

For FY2025, Quantum-Si posted Shares Outstanding (Diluted) of 197.77 million, up 38.1% from FY2024.

  • 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, 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 Shares Outstanding (Diluted) in data going back to Q2 2020.
  • Year over year, 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 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 241.25 Bn 220.40 Bn 4.88 Bn 371.00 Mn
2 Abbott Laboratories 167.33 Bn 138.41 Bn 7.27 Bn 1.74 Bn
3 Danaher 148.83 Bn 132.65 Bn 3.61 Bn 707.60 Mn
4 Intuitive Surgical 142.00 Bn 121.55 Bn 1.96 Bn 357.30 Mn
5 Medtronic 110.70 Bn 76.57 Bn 6.34 Bn 1.29 Bn
6 Stryker 104.72 Bn 90.84 Bn 4.50 Bn 386.00 Mn
7 Boston Scientific 62.66 Bn 57.67 Bn 3.85 Bn 1.47 Bn
8 Edwards Lifesciences 49.13 Bn 33.24 Bn 1.35 Bn 577.60 Mn
9 Becton Dickinson 48.51 Bn 45.66 Bn 2.32 Bn 275.16 Mn
10 Quantum-Si 284.49 Mn 284.49 Mn 172,000.00 217.80 Mn
Historic Data

Historic Data

Download Data
DateValue
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
Sep 30, 2021 136.46 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_KEY