Applied Optoelectronics, Inc. (AAOI) Stock

Applied Optoelectronics, Inc. (AAOI) is a Technology stock trading at $162.50 (as of 2026-06-18), with a market capitalization of $14.77B and a trailing P/E of -257.4. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Applied Optoelectronics, Inc. designs, manufactures, and sells fiber-optic networking products, including optical modules, lasers, subassemblies, transmitters and transceivers, and turnkey equipment, as well as headend, node, and distribution equipment. It sells to internet data center operators, cable television and telecom equipment manufacturers, and internet service providers through direct and indirect channels.

Valuation — source: SEC EDGAR (first-party)
Price	$162.50
Market Cap	$14.77B
P/E Ratio	-257.4
EV / EBITDA	-474.2
Price / Book	12.14
Price / Sales	26.48
DCF Value (model)	$-77.62
DCF Upside vs Price	-147.8%

Profitability & Growth — source: SEC EDGAR
Revenue (TTM)	$455.71M
Net Margin	-8.4%
Return on Equity	-3.9%
Debt / Equity	0.04
Current Ratio	3.83
Revenue Growth (YoY)	51.4%
EPS Growth (YoY)	5.6%
FCF Growth (YoY)	81.0%

Financial Health — source: SEC EDGAR
Altman Z-Score	16.95 (safe)
Piotroski F-Score	4/9 (moderate)

Valuation vs Sector & Industry
Stock P/E	-257.4
Sector P/E (Technology)	32.6
Industry P/E (Electronic Equipment)	54.2
vs Sector	-888.6%
vs Industry	-575.0%

Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional Holder	BlackRock, Inc. ($608.40M)
Institutional Holders Tracked	10

Company
Sector	Technology
Industry	Electronic Equipment
CEO	Chih-Hsiang Lin
Employees	3,309
Country	US
IPO Date	2014-03-06

Related Companies (Business model: Fabless Semiconductors; 8 closest by market cap; US-domiciled)

Data as of 2026-06-18.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.