QSI Co

QSI Co Tangible Book Value per Share

The Tangible Book Value per Share of QSI Co (066310.KQ) as of Oct 16, 2026 is 9,678.54 KRW. In the previous year, Tangible Book Value per Share was 9,078.57 KRW — a change of 6.61% (higher).

Tangible Book Value per Share

9,678.54KRW

YoY

6.61%

Last updated:

Tangible Book Value per Share of QSI Co is 2025 9,678.54 KRW. Tangible Book Value per Share of QSI Co was 2024 9,078.57 KRW. It decreases by 6.61% higher compared to the previous year.

The QSI Co Tangible Book Value per Share history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

Tangible Book Value per Share
Date
Tangible Book Value per Share
Jan 1, 2018
5,262.47 KRW
Jan 1, 2019
5,656.40 KRW
Jan 1, 2020
5,719.92 KRW
Jan 1, 2021
7,972.18 KRW
Jan 1, 2022
8,806.42 KRW
Jan 1, 2023
8,921.71 KRW
Jan 1, 2024
9,078.57 KRW
Jan 1, 2025
9,678.54 KRW
The QSI Co Tangible Book Value per Share history
YEARTangible Book Value per ShareYoY
9,678.54KRW+6.61%
9,078.57KRW+1.76%
8,921.71KRW+1.31%
8,806.42KRW+10.46%
7,972.18KRW+39.38%
5,719.92KRW+1.12%
5,656.40KRW+7.49%
5,262.47KRW-2.15%
5,377.96KRW-1.88%
5,480.93KRW+1.13%
5,419.51KRW+1.90%
5,318.61KRW-6.24%
5,672.88KRW+8.02%
5,251.88KRW+4.23%
5,038.86KRW+15.01%
4,381.29KRW+24.66%
3,514.50KRW-10.25%
3,915.86KRW+3.43%
3,785.86KRW+0.86%
3,753.71KRW—

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QSI Co Stock analysis

What does QSI Co do? QSI Co Ltd, listed on the Korean stock market with ticker 066310.KQ and ISIN KR7066310004, is a company based in Cheonan, South Korea. It operates within the Information Technology sector, specifically in the Semiconductors industry. The company went public on November 24, 2006. QSI Co Ltd manufactures and sells semiconductor laser and optical semiconductor products. Its product portfolio includes laser diodes (LDs) used in various applications such as power tools, laser modules, barcode scanners, laser beam printers, optical pickup units for DVDs and CDs, and other sectors including medical equipment and sensors. The company markets its products under the brand name QSI Laser Diode. It serves both domestic and international markets, with notable clients including Fuji Xerox, Panasonic, Samsung, and Stabila. The company's website is http://www.qsilaser.com, providing further information about its products and services. QSI Co Ltd focuses on the production and distribution of optical semiconductor solutions, targeting a range of industries that require precision optical components. QSI Co is one of the most popular companies on Eulerpool.

Frequently Asked Questions about QSI Co stock

Tangible Book Value per Share of QSI Co is 9,678.54 KRW in 2025.

Tangible Book Value per Share of QSI Co changed from 9,078.57 KRW to 9,678.54 KRW, representing a 6.61% change. The value is higher than the previous year.

On Eulerpool you can find the complete historical development of Tangible Book Value per Share QSI Co since 2006 – with annual values, charts, and detailed analysis.

Tangible book value per share excludes intangible assets and goodwill, providing a more conservative measure of per-share net asset value.

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Balance Sheet — QSI Co

All Key Metrics — QSI Co