Quantum-Si (QSI) Price to Book (2021 - 2026)
Quantum-Si's (QSI) Price to Book was 0.97 for Q2 2026, down 33.4% from 1.46 a year earlier but up 28.4% from the prior quarter.
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Analysis
Quantum-Si (QSI) Price to Book (2021 - 2026) Analysis & Trends
For FY2025, Price to Book at Quantum-Si was 0.98, down 57.3% from FY2024.
- By year, Price to Book came in at 2.30 in FY2024 (+154.6%), 0.90 in FY2023 (+47.3%), 0.61 in FY2022 (-73.1%) and 2.28 in FY2021.
- Five-year quarterly Price to Book spans a low of 0.51 in Q3 2024 and a high of 2.30 in Q4 2024.
- Year over year, Price to Book has now declined in each of the last three quarters, with growth averaging 38.8% over the last eight quarters.
- The high point for year-over-year Price to Book in five years was Q2 2025 (growth of 164.6%); the low point was Q2 2022 (a decline of 79.8%).
- Per Business Quant data, the three quarters before Q2 2026 came in at 0.76 (Q1 2026), 0.98 (Q4 2025) and 1.17 (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Thermo Fisher Scientific | 242.18 Bn | 221.33 Bn | 4.88 Bn |
| 2 | Abbott Laboratories | 168.71 Bn | 139.79 Bn | 7.27 Bn |
| 3 | Danaher | 150.46 Bn | 134.27 Bn | 3.61 Bn |
| 4 | Intuitive Surgical | 138.71 Bn | 118.26 Bn | 1.96 Bn |
| 5 | Medtronic | 110.54 Bn | 76.41 Bn | 6.34 Bn |
| 6 | Stryker | 105.66 Bn | 91.78 Bn | 4.50 Bn |
| 7 | Boston Scientific | 61.74 Bn | 56.75 Bn | 3.85 Bn |
| 8 | Edwards Lifesciences | 49.09 Bn | 33.21 Bn | 1.35 Bn |
| 9 | Becton Dickinson | 48.16 Bn | 45.31 Bn | 2.32 Bn |
| 10 | Quantum-Si | 308.37 Mn | 308.37 Mn | 172,000.00 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 0.97 |
| Mar 31, 2026 | 0.76 |
| Dec 31, 2025 | 0.98 |
| Sep 30, 2025 | 1.17 |
| Jun 30, 2025 | 1.46 |
| Mar 31, 2025 | 0.79 |
| Dec 31, 2024 | 2.30 |
| Sep 30, 2024 | 0.51 |
| Jun 30, 2024 | 0.55 |
| Mar 31, 2024 | 0.95 |
| Dec 31, 2023 | 0.90 |
| Sep 30, 2023 | 0.69 |
| Jun 30, 2023 | 0.69 |
| Mar 31, 2023 | 0.63 |
| Dec 31, 2022 | 0.61 |
| Sep 30, 2022 | 0.85 |
| Jun 30, 2022 | 0.67 |
| Mar 31, 2022 | 1.26 |
| Dec 31, 2021 | 2.28 |
| Sep 30, 2021 | 1.97 |
API Access
Quantum-Si Price to Book 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=price-to-book&ticker=QSI&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "price-to-book", "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=price-to-book&ticker=QSI&period=max&api_key=YOUR_API_KEY");
const data = await res.json();