Quantum-Si incorporated (QSI)

NASDAQ: QSI · Real-Time Price · USD
1.270
-0.020 (-1.55%)
Dec 2, 2025, 4:00 PM EST - Market closed
-1.55%
Market Cap273.67M
Revenue (ttm)3.18M
Net Income (ttm)-116.85M
Shares Out 215.49M
EPS (ttm)-0.65
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume3,326,462
Open1.300
Previous Close1.290
Day's Range1.270 - 1.340
52-Week Range0.950 - 5.770
Beta2.96
AnalystsStrong Buy
Price Target2.88 (+126.77%)
Earnings DateNov 5, 2025

About QSI

Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company offers Platinum NGPS instrument that provides single molecule amino acid level resolution with a streamlined workflow, including automated data analysis that accessible to researchers in all laboratory types; Platinum Pro NGPS instrument, a single molecule amino acid resolution, which provides an enhanced user interface, cloud or on instrument data analysis and an ava... [Read more]

Sector Healthcare
Founded 2013
Employees 149
Stock Exchange NASDAQ
Ticker Symbol QSI
Full Company Profile

Financial Performance

In 2024, Quantum-Si incorporated's revenue was $3.06 million, an increase of 182.62% compared to the previous year's $1.08 million. Losses were -$101.01 million, 5.26% more than in 2023.

Financial Statements

Analyst Summary

According to 3 analysts, the average rating for QSI stock is "Strong Buy." The 12-month stock price target is $2.88, which is an increase of 126.77% from the latest price.

Price Target
$2.88
(126.77% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

Quantum-Si Highlights Significant Development Advancements for Proteus™ and Industry Leading Technology Pipeline at Investor & Analyst Day

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Highlights Significant Development Advancements for ProteusTM and Industry Leading Technology Pipeline at Investor & Analyst Day.

12 days ago - Business Wire

Quantum-Si incorporated (QSI) Analyst/Investor Day Transcript

Quantum-Si incorporated ( QSI) Analyst/Investor Day November 19, 2025 10:00 AM EST Company Participants Jeffrey Hawkins - President, CEO & Director Todd Rearick - Chief Technology Officer John Viecel...

13 days ago - Seeking Alpha

Quantum-Si to Highlight Significant Proteus™ Platform Development Progress and Provide Insights into the Company's Industry Leading Technology Pipeline at Investor & Analyst Day

BRANFORD, Conn.--(BUSINESS WIRE)--QSI to Highlight Significant Proteus™ Platform Dev Progress & Provide Insights into Company's Industry Leading Tech Pipeline at Investor & Analyst Day.

13 days ago - Business Wire

Quantum-Si incorporated (QSI) Q3 2025 Earnings Call Transcript

Quantum-Si incorporated ( QSI) Q3 2025 Earnings Call November 5, 2025 4:30 PM EST Company Participants Risa Lindsay Jeffrey Hawkins - President, CEO & Director Jeffry Keyes - CFO & Treasurer Conferen...

27 days ago - Seeking Alpha

Quantum-Si Reports Third Quarter 2025 Financial Results

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Reports Third Quarter 2025 Financial Results. Announces Successful Sequencing on Prototype Proteus Unit, Development Program is On-Track.

27 days ago - Business Wire

Quantum-Si to Participate in the Canaccord Genuity MedTech, Diagnostics and Digital Health & Services Forum

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si to Participate in the Canaccord Genuity MedTech, Diagnostics and Digital Health & Services Forum.

6 weeks ago - Business Wire

Quantum-Si to Report Third Quarter 2025 Financial Results on November 5, 2025

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si to Report Third Quarter 2025 Financial Results on November 5, 2025.

7 weeks ago - Business Wire

Why Quantum-Si Stock Flopped on Friday

Quantum-Si's (QSI -4.02%) shares weren't quite the picture of health as the trading week came to an end. Investors, concerned about the healthcare technology company potentially making dilutive second...

7 weeks ago - The Motley Fool

Quantum-Si to Host Investor & Analyst Event in New York City on November 19, 2025

BRANFORD, Conn--(BUSINESS WIRE)--Quantum-Si to Host Investor & Analyst Event in New York City on November 19, 2025.

2 months ago - Business Wire

Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4).

2 months ago - Business Wire

Quantum-Si Announces the Launch of V4 Sequencing Kit, Expanding Proteome Coverage and Unlocking New Applications for Protein Sequencing

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Announces the Launch of V4 Sequencing Kit, Expanding Proteome Coverage and Unlocking New Applications for Protein Sequencing.

3 months ago - Business Wire

Quantum-Si to Participate in the H.C. Wainwright 27th Annual Global Investment Conference

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si to Participate in the H.C. Wainwright 27th Annual Global Investment Conference.

3 months ago - Business Wire

Quantum-Si to Participate in the UBS Precision Medicine Frontiers Summit

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si to Participate in the UBS Precision Medicine Frontiers Summit.

4 months ago - Business Wire

Quantum-Si (QSI) Q2 Revenue Falls 47%

Quantum-Si (QSI), a developer of next-generation protein sequencing technology, reported its Q2 2025 earnings on August 5, 2025. The most significant news was a steep revenue shortfall, as GAAP sales ...

4 months ago - The Motley Fool

Quantum-Si incorporated (QSI) Q2 2025 Earnings Call Transcript

Quantum-Si incorporated (NASDAQ:QSI) Q2 2025 Earnings Conference Call August 5, 2025 4:30 PM ET Company Participants Jeffrey Alan Hawkins - President, CEO & Director Jeffry R. Keyes - CFO & Treasurer...

4 months ago - Seeking Alpha

Quantum-Si Reports Second Quarter 2025 Financial Results

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Reports Second Quarter 2025 Financial Results.

4 months ago - Business Wire

Quantum-Si Stock: A Small Position Is Warranted (Technical Analysis)

Quantum-Si shows bullish technical signals: trading above its 30-week EMA, strong momentum, positive volume trends, and outperforming the S&P 500 since April. Upcoming earnings are a key catalyst. Sur...

4 months ago - Seeking Alpha

Quantum-Si to Participate in the Canaccord Genuity 45th Annual Growth Conference

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si to Participate in the Canaccord Genuity 45th Annual Growth Conference.

4 months ago - Business Wire

Quantum-Si to Report Second Quarter 2025 Financial Results on August 5, 2025

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si to Report Second Quarter 2025 Financial Results on August 5, 2025.

5 months ago - Business Wire

Tesla, Quantum-Si And Other Big Stocks Moving Lower In Monday's Pre-Market Session

U.S. stock futures were mixed this morning, with the Dow futures gaining around 0.1% on Monday.

Other symbols: TSLA
5 months ago - Benzinga

Quantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common Stock

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common Stock.

5 months ago - Business Wire

Quantum-Si Platinum® Pro Instrument Placed at the Broad Institute to Support Regional Research Initiatives

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Platinum® Pro Instrument Placed at the Broad Institute to Support Regional Research Initiatives.

5 months ago - Business Wire

Quantum-Si to Join Leading Experts from DNAnexus, Olink, and Northwestern in Upcoming GenomeWeb Webinar on Proteomics Data Integration and Standardization

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si to Join Leading Experts from DNAnexus, Olink, & Northwestern in Upcoming GenomeWeb Webinar on Proteomics Data Integration & Standardization.

5 months ago - Business Wire

Quantum-Si Customer to Showcase Protein Barcoding for Nucleic Acid–LNP Therapeutic Development at Festival of Genomics Boston

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Customer to Showcase Protein Barcoding for Nucleic Acid–LNP Therapeutic Development at Festival of Genomics Boston.

6 months ago - Business Wire

Quantum-Si's Single-Molecule Tech Enables Precise, Multiplexed Measurement of Nanobody Binding in a Single Assay

BRANFORD, Conn.--(BUSINESS WIRE)--Single-Molecule Tech Enables Precise, Multiplexed Measurement of Nanobody Binding in a Single Assay.

6 months ago - Business Wire