What Lumentum's FY2026 10-K says: 12 signals
Lumentum filed its latest 10-K with the SEC on Aug 17, 2026. It discusses acquisition completed, AI investment and capacity constraint.
Public (LITE)Telecommunications5,001 to 10,000 employeeslumentum.comLinkedIn
- Filed
- Aug 17, 2026
- Period
- FY2026
- Fiscal year end
- 06/27
- Filings
- 1
10-K · latest 8
What Lumentum's 10-K filings say
- SEC EDGAR
10-K · FY2026
Filed · Fiscal year ends 06/27 · 12 signals
Lost largest China customer, Huawei, in early 2024 due to U.S. export restrictions
The company ceased all product shipments to Huawei, historically its largest networking customer in China, creating a significant revenue gap and forcing a strategic pivot to find replacement demand.
semiconductors
Investing in manufacturing capacity to meet surging AI and cloud customer demand
AI/MLcloud
Completed acquisition of Cloud Light Technology in 2023 to target AI/ML and cloud markets
The acquisition of Cloud Light enhances Lumentum's product portfolio for high-growth data center and AI/ML applications.
AI/MLclouddata centerViavi Solutions, Inc.
Facing supply disruptions and cost increases due to sole-source supplier dependency
The company relies on a limited number of specialized, sole-source suppliers, making it vulnerable to price hikes, shortages, and geopolitical actions like China's export controls on critical minerals which have already adversely affected operations.
A U.S. Commerce Department investigation into semiconductor imports, initiated on April 14, 2025, could result in new tariffs, increasing costs and disrupting the company's supply chain for semiconductors and derivative products.
semiconductors
Completed multiple acquisitions through 2023, including Oclaro, NeoPhotonics, and Cloud Light.
Lumentum has been actively acquiring companies, including Oclaro, NeoPhotonics, IPG's telecom lines, and most recently Cloud Light in 2023, to enhance its product portfolio.
Viavi SolutionsIPG Photonics
Revenue and margins harmed by customer inventory volatility and supply chain whiplash.
The company's financial performance was negatively impacted by customers first hoarding inventory due to supply fears and then rapidly reducing it, leading to volatile demand and underutilized manufacturing capacity.
manufacturing
Experiencing surging demand from AI/ML infrastructure providers for high-capacity optical links.
The company's growth is heavily driven by the expansion of AI/ML data centers, creating a need for their optical and photonic products.
AIMLclouddata center
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Source. Annual reports (Form 10-K) filed with the SEC. Every card links to the filing on EDGAR.
Method. Insights are extracted from the filing text and grouped by category. Numbers are quoted from the filing.
Data as of .