Quantum Computing Inc. (QUBT) Stock

Technology · Computer Hardware · Member of Other US Stocks

Quantum Computing Inc. (QUBT) closed at USD 6.31 on 2026-10-14, a change of -57.7 % over the past year, with a market capitalization of USD 1.55B.

Quantum Computing Inc. recent closing prices

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Quantum Computing Inc. key figures

Previous close

USD 6.31 (2026-10-14)

1-year change

-57.7 %

Market cap

USD 1.55B

Enterprise value

USD 617.43M

P/E ratio (trailing)

-136.80

P/E ratio (forward)

-28.90

EPS (trailing)

-0.05

EPS (forward)

-0.24

PEG ratio

n/a

Price to book

0.97

Revenue growth

9,000 %

Earnings growth

n/a

Dividend per share (trailing)

0.00

Short ratio

9.86

Employees

72

Analyst consensus (third-party)

none

Source: Yahoo Finance via yfinance. Data may be delayed, incomplete or incorrect.

About Quantum Computing Inc.

Quantum Computing Inc., an integrated photonics company, provides quantum machines to commercial and government markets in the United States. The company develops thin-film lithium niobate chips for optical devices, such as electro-optical modulators, periodically poled devices for frequency conversion, and micro-ring resonator cavities markets. It is also developing the entropy quantum computer (EQC), a quantum application of Core Photonics Technology, designed to solve complex optimization problems. In addition, the company offers Emucore, a reservoir computing machine that can be reprogrammed after manufacturing and optimized for recurrent neural network applications; Neurawave, a photonics based reservoir computer; LiDAR, which allows machines to see through dense fog and provide image fidelity at great distances in environments, such as snow, ice, and water; the quantum photonic vibrometer, an instrument for remote vibration detection, sensing, and inspection; and quantum networks and quantum authentication products. The company was formerly known as Innovative Beverage Group Holdings, Inc. Quantum Computing, Inc. was founded in 2001 and is based in Hoboken, New Jersey.

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