Quantum-Si Incorporated
QSI
Market cap $355M

1.76 USD

-0.06

3.30%

At close Jul 18, 4:00 PM EDT

After hours

1.77

+0.01

0.57%

1 day

-3.30%

5 days

2.92%

1 month

0.57%

3 months

61.47%

6 months

-27.87%

Year to date

-58.69%

1 year

61.47%

5 years

-82.19%

10 years

-82.19%

About: Quantum-Si Inc is a life sciences company focused on the development and commercialization of proteomics research tools. The company has designed and developed a hardware, consumable, and software solution to provide a solution for protein detection and analysis. It has developed a proprietary universal single-molecule detection platform that enables Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins.

Employees: 143

Healthcare Medical Devices

0

Funds holding %

of 7,321 funds

–

Analysts bullish %

Fund manager confidence

Based on 2025 Q1 regulatory disclosures by fund managers ($100M+ AUM)

81% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 21

12% more funds holding

Funds holding: 120 [Q4 2024] → 134 (+14) [Q1 2025]

11% more repeat investments, than reductions

Existing positions increased: 39 | Existing positions reduced: 35

8.35% less ownership

Funds ownership: 43.71% [Q4 2024] → 35.36% (-8.35%) [Q1 2025]

22% less call options, than puts

Call options by funds: $1.48M | Put options by funds: $1.89M

52% less capital invested

Capital invested by funds: $145M [Q4 2024] → $69.2M (-$75.7M) [Q1 2025]

See Fund Rankings

Research analyst outlook

We haven’t received any recent analyst ratings for QSI.

See Analyst Rankings

Financial journalist opinion

Based on 5 articles about QSI published over the past 30 days

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.

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

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.

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

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.

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

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.

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

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.

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

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.

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

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).

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

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.

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

Quantum-Si: Sell On Weak Prospects And Risk Of Further Dilution

After mistakenly having been picked up as a quantum computing play in late 2024, shares of life sciences company, Quantum-Si, have given back most of their gains in recent months. While the company used the hype to replenish its dwindling cash balances, dilution for common shareholders has been substantial. Quantum-Si remains years behind its original business plan with an inflection point nowhere in sight. The company continues to burn substantial amounts of cash.

Quantum-Si: Sell On Weak Prospects And Risk Of Further Dilution

Quantum-Si incorporated (QSI) Q1 2025 Earnings Call Transcript

Quantum-Si incorporated (NASDAQ:QSI ) Q1 2025 Earnings Conference Call May 15, 2025 4:30 PM ET Company Participants Jeff Hawkins - President and CEO Jeff Keyes - CFO Conference Call Participants Kyle Mikson - Canaccord Genuity Scott Henry - Alliance Global Partners Swayampakula Ramakanth - HC Wainwright Operator Good afternoon, everyone and thank you for joining us. Earlier today, Quantum-Si released Financial Results for the First Quarter ended March 31, 2025.

Quantum-Si incorporated (QSI) Q1 2025 Earnings Call Transcript

See News Rankings

Charts implemented using Lightweight Charts™