On the Record · Lumentum
Lumentum subsidiaries, as it lists them
The subsidiaries Lumentum lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| LumentumRadiant GmbH - U.S. Branch | California |
| Lumentum Inc. | Delaware |
| Lumentum Designs LLC | Delaware |
| Lumentum Operations LLC | Delaware |
| Lumentum Italy Inc. | Delaware |
| Lumentum Fiber Optics, Inc. | Delaware |
| Lumentum Networks LLC | Delaware |
| Lumentum Optics Inc. | Delaware |
| Lumentum Systems LP | Delaware |
| NeoPhotonics Corporation | Delaware |
| Bookham International Ltd. | Cayman Islands |
| Bookham Nominees Ltd. | United Kingdom |
| LumentumEdge GmbH | Switzerland |
| LumentumRadiant GmbH | Switzerland |
| Lumentum Asia Limited | Hong Kong |
| Lumentum Canada ULC | Canada |
| Lumentum Communication Technology (Shenzhen) Co., Ltd. | China |
| Lumentum Communication Technology (Shenzhen) Co., Ltd. Wuhan Branch | China |
| Lumentum d.o.o. Optična vlakna | Slovenia |
| Lumentum HoldCo Limited | Hong Kong |
| Lumentum HoldCo Limited, Philippine Branch | Philippines |
| Lumentum HoldCo Limited - Taiwan Branch | Taiwan |
| Lumentum International (Thailand) Co., Ltd. | Thailand |
| Lumentum International Tech Co. | Cayman Islands |
| Lumentum Israel Ltd | Israel |
| Lumentum Italy Inc. - Branch | Italy |
| Lumentum Japan Inc. | Japan |
| Lumentum G.K. | Japan |
| Lumentum Netherlands B.V. | Netherlands |
| Lumentum Netherlands B.V. - France Branch | France |
| Lumentum Netherlands B.V. - Germany Branch | Germany |
| Lumentum Ottawa ULC | Canada |
| Lumentum SK Limited | South Korea |
| Lumentum Switzerland AG | Switzerland |
| Lumentum Taiwan Co., Ltd. | Taiwan |
| Lumentum Technologies ULC | Canada |
| Lumentum Technology UK Limited | United Kingdom |
| Oclaro Innovations LLP | United Kingdom |
| Oclaro Malaysia Sdn Bhd | Malaysia |
| Oclaro Technology (Shenzhen) Co. Ltd. | China |
| Novel Centennial Limited | BVI |
| NeoPhotonics Corporation (R&D Center – Canada branch) | Canada |
| NeoPhotonics Corporation Limited | Hong Kong |
| NeoPhotonics Dongguan Co. Ltd. | China |
| Cloud Light Optoelectronics Limited | British Virgin Islands |
| Cloud Light Technology Philippines Inc. | Philippines |
| Cloud Light Technology Limited | Hong Kong |
| Dongguan Cloud Light Technology Limited | China |
| Taiwan Cloud Light Technology Limited | Taiwan |
From Exhibit 21 of the 10-K for 2026. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Lumentum’s annual reports (10-K for 2026, 10-K for 2025, 10-K for 2024) and the financial data it files with the SEC, as of 2026-08-17. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.