Vanguard Capital Management Reports 5.09% Passive Stake In Applied Optoelectronics
The Vanguard unit holds 4,305,787 shares of the optical-components maker, measured as of September 30.
Vanguard Capital Management, the Vanguard unit that manages certain funds, holds 5.09% of Applied Optoelectronics, according to a passive ownership filing (a Schedule 13G) made Friday. The stake, measured as of September 30, comes to 4,305,787 shares of the company, which makes fiber-optic networking products.
Voting power and intent
Vanguard Capital Management has sole voting power over 652,746 of the shares and shared voting power over none. The filing lists it as an investment adviser.
It certifies that the shares were acquired and are held in the ordinary course of business, not to change or influence control of Applied Optoelectronics.
The position includes shares held by Vanguard funds, or portions of them, along with holdings of several Vanguard affiliates, including Vanguard Fiduciary Trust Company and Vanguard Asset Management Limited.
A cable and data-center supplier
Applied Optoelectronics, based in Sugar Land, Texas, makes lasers, components, modules and complete equipment for data centers, cable television, telecom and fiber-to-the-home networks. In 2025, cable television supplied 53.8% of its revenue and internet data centers 42.9%, on total revenue of $455.7 million. Digicomm accounted for 53.1% of that revenue and Microsoft for 28.8%.
The company has become a closely watched name among optical-component makers tied to the AI data center buildout. A Yahoo Finance report cited record second-quarter cable TV revenue of $80.6 million.
A sharp Friday drop
Applied Optoelectronics shares traded at $67.74 in Friday trading as of 11:33 a.m. ET, down about 14% from Thursday's close of $79.19. The company's market value was about $6.7 billion.
The stock had been up about 121% year to date as of October 28, though it had lost 22% over the prior month, the Yahoo Finance report said.
The company plans a first live demonstration of its Quantum30 3.0 GHz cable amplifier concept at SCTE TechExpo in Atlanta.
Sources
- SCHEDULE 13G — Vanguard Capital Management re: Applied Optoelectronics Inc (AAOI) — SEC EDGAR
- AAOI's CATV Business Gains Momentum: Can It Beat LITE and COHR? — Yahoo Finance
- Optical Stocks Climb as Analysts Flag AI Bottleneck: Lumentum Rises 4%, Applied Optoelectronics and Corning Gain 3%, Coherent Sits Out the Rally — Yahoo Finance
- Applied Optoelectronics (AAOI) Stock Looks Discounted On Its Huge Three Year Run — Yahoo Finance
- Applied Optoelectronics, Inc. (AAOI) Seasonal Returns Chart - Yahoo Finance — Yahoo Finance
- LITE's Transceivers Gain From AI Infrastructure Demand: What's Ahead? — Yahoo Finance
