• Lumentum Holdings average return on investment for 2013-06-30 was 0, a 0% decline from 2014-06-30.
• Lumentum Holdings average return on investment for 2014-06-30 was 0, a 0% decline from 2014-09-30.
• Lumentum Holdings average return on investment for 2014-09-30 was 0, a 0% decline from 2014-12-31.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.