How Much Did Quantum SI Raise?
Funding & Key Investors

Quantum SI has solidified its position within the biotechnology landscape, securing a total capital infusion of $100.4M. This latest financial milestone, characterized by a $100M strategic investment, underscores the market confidence in the firm's proprietary protein sequencing architecture. As the company continues to transition from its foundational research roots toward broader commercial deployment, this influx of liquidity serves as a critical catalyst for scaling its manufacturing capabilities and expanding its global footprint in the life sciences sector.

What is Quantum SI?

Quantum SI
ManufacturingTest & Measurement Equipment

Founded in 2013, Quantum SI operates at the intersection of molecular biology and advanced instrumentation. The company specializes in the development of high-throughput protein sequencing platforms, a field that has historically lagged behind genomic sequencing in terms of accessibility and speed. By engineering sophisticated testing equipment that allows for granular molecular analysis, Quantum SI provides research laboratories with the tools necessary to decode the proteome. This capability is essential for accelerating drug discovery, biomarker identification, and the broader understanding of human health. As a publicly traded entity on the Nasdaq, the firm maintains a rigorous focus on technical innovation, aiming to democratize complex biological data analysis for the global scientific community.

How much funding has Quantum SI raised?

Quantum SI has raised a total of $100.3M across 2 funding rounds:

2020

Debt

$350K

2025

Stock/Share Issuance

$100M

Debt (2020): $350K with participation from PPP

Stock/Share Issuance (2025): $100M, investors not publicly disclosed

Key Investors in Quantum SI

PPP

Public-Private Partnership

Undisclosed Investor

A strategic participant in the most recent funding round, providing significant capital to support the company's enterprise-level scaling objectives.

What's next for Quantum SI?

With the recent injection of capital, Quantum SI is well-positioned to accelerate its enterprise-level growth strategy. The focus will likely shift toward optimizing the commercial distribution of its sequencing platforms and enhancing the software ecosystem that supports its hardware. By leveraging this strategic financing, the company aims to reduce the barriers to entry for protein analysis, potentially setting a new standard for diagnostic and research-grade instrumentation. Future developments will likely center on increasing the throughput of its devices and fostering partnerships with major pharmaceutical and academic institutions to drive widespread adoption of its molecular analysis technology.

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Frequently Asked Questions Regarding Quantum SI Financial Insights

What are the most recent funding rounds that Quantum SI has completed, and what were the funding rounds?
Quantum SI has recently completed 2 funding rounds: Stock/Share Issuance on Oct 6, 2025, Debt on May 3, 2020.
What is the total amount of funding Quantum SI has raised to date?
Quantum SI has raised a total of $100.3M in funding to date.
How many funding rounds has Quantum SI completed?
Quantum SI has completed 2 funding rounds.
How much funding did Quantum SI raise in its most recent funding round?
Quantum SI raised $100M in its most recent funding round.
Which was the largest funding round in Quantum SI's history?
The largest funding round in Quantum SI's history was $100M.
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