Global /South Korea /Technology /Semiconductors /069540

Lightron Fiber-Optic Devices Inc.

069540

• KRX: 069540 • Delayed

5,260KRW 0.6%

3.41 USD

As of 25 June 2026, Lightron Fiber-Optic Devices Inc. has a market cap of $335.7M USD, ranking #17867 globally and #561 in South Korea. It ranks #2666 in the Technology sector, and #444 in the Semiconductors industry.

Global Rank

17867

Country Rank

561

Sector Rank

2666

Industry Rank

444

Key Stats

Market Cap

$335.7MUSD

514.96B KRW

Enterprise Value

$341.9MUSD

527.83B KRW

Revenue (TTM)

$20.71MUSD

31.77B KRW

EBITDA (TTM)

-$9.0MUSD

-13.89B KRW

Net Income (TTM)

-$12.79MUSD

-19.62B KRW

EBITDA Margin

-44%

Profit Margin

-62%

PS Ratio

16.2

PB Ratio

8.7

Company Profile

Country (HQ)

South Korea

Sector

Technology

Industry

Semiconductors

CEO

Kim Minho open_in_new

Employees

Founded

1998

Website

lightron.co.kr open_in_new

warningChart data may be delayed

1d	1w	1m	3m	6m	YTD	1y	3y	5y
0.6%	-7.1%	67%	263%	665%	783%	484%	51%	-63%

News

Markets

Exchange	Ticker	Price	Quotes
Korea Exchange (KRX) MIC: XKRX PRIMARY	069540 Lightron Fiber Optic Devices Inc ISIN: KR7069540003 Shares Out.: Shares Outstanding: 108.654M¹ Shares Float: 81.722M² TV: TradingView: KRX: 069540 SA: Stock Analysis: KRX: 069540 YF: Yahoo Finance: 069540.KS GF: Google Finance: KRX: 069540 BA: Barron's: 069540 MS: Morningstar: XKRX: 069540	5,260 KRW	TV: TradingView: KRX: 069540 SA: Stock Analysis: KRX: 069540 YF: Yahoo Finance: 069540.KS GF: Google Finance: KRX: 069540 BA: Barron's: 069540 MS: Morningstar: XKRX: 069540

¹Market cap is calculated using shares outstanding.

²Float shares are publicly tradable shares, excluding insider-held stock.

About Lightron Fiber-Optic Devices Inc.

Lightron Fiber-Optic Devices Inc. engages in the manufacturing and selling of communication products in South Korea. The company’s products include 25Gb/s SFP28 for duplex and bi-directional, 5G radio access network, 25G C-band tunable DWDM solution, and 25G LAN-WDM; 10Gb/s SFP+, a grey optics to fix and tunable DWDM; 50Gb/s SFP56, a duplex and bi-directional solution; 100Gb/s QSFP28 for 25G x 4 Lanes and 100Gbps Lambda; CATV Optics, a hardened digital and analog optical Tx, Rx and transceivers; and Featured SFP & SFP+, a specialized and customized optical transceiver. It also provides wireless; telecom/datacom; PON technology proliferations; and CATV solutions. The company was formerly known as Lightron Inc. and changed its name to Lightron Fiber-Optic Devices Inc. in March 2024. Lightron Inc. was incorporated in 1998 and is headquartered in Daejeon, South Korea.

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