Quantum-Si - 5 Year Stock Price History | QSI
Historical daily share price chart and data for Quantum-Si since 2020 adjusted for splits and dividends. The latest closing stock price for Quantum-Si as of June 20, 2025 is 1.73.
- The all-time high Quantum-Si stock closing price was 22.41 on February 18, 2021.
- The Quantum-Si 52-week high stock price is 5.77, which is 233.5% above the current share price.
- The Quantum-Si 52-week low stock price is 0.61, which is 64.7% below the current share price.
- The average Quantum-Si stock price for the last 52 weeks is 1.36.
| Quantum-Si Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2025 | 1.6821 | 4.2600 | 4.2900 | 1.0800 | 1.7300 | -35.93% |
| 2024 | 1.3679 | 2.0300 | 3.6000 | 0.6330 | 2.7000 | 34.33% |
| 2023 | 1.8685 | 1.8400 | 3.8900 | 1.1450 | 2.0100 | 9.84% |
| 2022 | 3.6115 | 8.2200 | 8.2200 | 1.8200 | 1.8300 | -76.75% |
| 2021 | 9.9520 | 10.4900 | 22.4100 | 5.6500 | 7.8700 | -22.46% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Computer and Technology | Semiconductors | $0.321B | $0.003B |
| Quantum-Si Incorporated is a company pioneering next-generation semiconductor chip-based proteomics. Quantum-Si Incorporated, formerly known as HighCape Capital Acquisition Corp., is based in NEW YORK. | |||
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| Broadcom (AVGO) | United States | $1181.794B | 50.25 |
| QUALCOMM (QCOM) | United States | $168.686B | 16.34 |
| ARM Holdings (ARM) | United Kingdom | $154.706B | 137.78 |
| Applied Materials (AMAT) | United States | $138.704B | 18.77 |
| Lam Research (LRCX) | United States | $117.986B | 25.45 |
| Marvell Technology (MRVL) | United States | $64.744B | 57.21 |
| Infineon Technologies AG (IFNNY) | Germany | $51.192B | 22.92 |
| ASE Technology Holding (ASX) | Taiwan | $22.936B | 22.11 |
| United Microelectronics (UMC) | Taiwan | $20.775B | 15.31 |
| GlobalFoundries (GFS) | United States | $20.530B | 29.24 |
| Credo Technology (CRDO) | Cayman Islands | $14.533B | 317.00 |
| Lattice Semiconductor (LSCC) | United States | $7.012B | 108.49 |
| Nova (NVMI) | Israel | $6.822B | 33.88 |
| Rambus (RMBS) | United States | $6.504B | 33.45 |
| Allegro MicroSystems (ALGM) | United States | $5.745B | 621.40 |
| Cirrus Logic (CRUS) | United States | $5.352B | 16.97 |
| Amkor Technology (AMKR) | United States | $5.030B | 15.91 |
| Rohm (ROHCY) | Japan | $4.542B | 0.00 |
| Tower Semiconductor (TSEM) | Israel | $4.420B | 22.16 |
| Impinj (PI) | United States | $3.018B | 400.46 |
| FormFactor (FORM) | United States | $2.566B | 42.14 |
| Synaptics (SYNA) | United States | $2.450B | 56.25 |
| Diodes (DIOD) | United States | $2.335B | 41.25 |
| Ambarella (AMBA) | United States | $2.242B | 0.00 |
| Soitec SA (SLOIF) | France | $2.045B | 0.00 |
| Himax Technologies (HIMX) | Taiwan | $1.641B | 19.14 |
| Navitas Semiconductor (NVTS) | United States | $1.343B | 0.00 |
| Applied Optoelectronics (AAOI) | United States | $1.098B | 0.00 |
| Ams-OSRAM AG (AMSSY) | Austria | $0.949B | 0.00 |
| NLight (LASR) | United States | $0.908B | 0.00 |
| Alpha And Omega Semiconductor (AOSL) | United States | $0.718B | 0.00 |
| Indie Semiconductor (INDI) | United States | $0.682B | 0.00 |
| Ichor Holdings (ICHR) | United States | $0.596B | 0.00 |
| Ceva (CEVA) | United States | $0.493B | 0.00 |
| SkyWater Technology (SKYT) | United States | $0.427B | 0.00 |
| SEALSQ (LAES) | Switzerland | $0.349B | 0.00 |
| POET Technologies (POET) | Canada | $0.346B | 0.00 |
| NVE (NVEC) | United States | $0.338B | 22.49 |
| Valens Semiconductor (VLN) | Israel | $0.242B | 0.00 |
| Aeluma (ALMU) | United States | $0.210B | 0.00 |
| Nano Labs (NA) | China | $0.187B | 0.00 |
| Atomera (ATOM) | United States | $0.155B | 0.00 |
| IQE (IQEPF) | United Kingdom | $0.139B | 0.00 |
| Silvaco (SVCO) | United States | $0.136B | 0.00 |
| QuickLogic (QUIK) | United States | $0.095B | 0.00 |
| AXT Inc (AXTI) | United States | $0.087B | 0.00 |
| Coda Octopus Group (CODA) | United States | $0.082B | 24.40 |
| GCT Semiconductor Holding (GCTS) | United States | $0.068B | 0.00 |
| Sono-Tek (SOTK) | United States | $0.059B | 47.25 |
| Sequans Communications S.A (SQNS) | France | $0.048B | 0.87 |
| Mobix Labs (MOBX) | United States | $0.042B | 0.00 |
| Pixelworks (PXLW) | United States | $0.035B | 0.00 |
| SemiLEDS (LEDS) | Taiwan | $0.021B | 0.00 |
| SmartKem (SMTK) | United Kingdom | $0.005B | 0.00 |