Company file · LITE
Lumentum
Lumentum's revenue rose 83.2% in FY2026, to $3.0B, and it posted a net loss of $6.9B (FY2025: net income of $26M)
Revenue rose 83.2% to $3.0B in FY2026, from $1.6B in FY2025. It posted a net loss of $6.9B. Systems was the largest segment, at 67% of revenue.
Key facts
Lumentum (Nasdaq: LITE) closed fiscal 2026 on Jun 27, 2026 with revenue of $3.0B, up 83.2% from a year before; net income came to −$6.9B, compared with $26M. Its newest quarterly report covers the three months to Sep 26, 2026: revenue of $1.3B, up 136.5% on the same stretch of the prior year, and net income of $360M. Broken down by segment, Systems led with 67% of fiscal 2026 revenue. Sources: 10-K for fiscal 2026 (filed Aug 17, 2026) and 10-Q for the quarter ended Sep 26, 2026 (filed Nov 3, 2026).
Source: 10-K FY2026, filed Aug 17, 2026
Source: 10-Q filed Nov 3, 2026
How it makes money
By segment, FY2026
Source: 10-K FY2026, XBRL breakdown
By segment in FY2026: Systems (67%) and Components (33%), as shares of total revenue. Total revenue was $3.0B.
Source: 10-K FY2026
By region, FY2026
Share is of the FY2026 total; the last column is the change from FY2025.
Learn more: Revenue vs. net income · Gross, operating and net margin
What changed last quarter
Comparing Q1 FY2027 (Jul to Sep 2026) compared with Q1 FY2026 (Jul to Sep 2025)
Each pair of bars shows the dollar amount for both quarters. Longer bar, more money. Bars in a group share one scale.
Q1 FY2027Q1 FY2026
Company
Source: Lumentum 10-Q for the quarter ended Sep 26, 2026, filed Nov 3, 2026
By segment
Source: Lumentum 10-Q for the quarter ended Sep 26, 2026, filed Nov 3, 2026
The bull case and the bear case
The bull case
- Revenue rose 83.2% in FY2026 to $3.0B, from $1.6B a year earlier. 10-K, FY2026
- Operating cash flow rose 494.9% in FY2026 to $751M. 10-K, FY2026
- Revenue in the quarter ended Sep 26, 2026 was $1.3B, up 136.5% on a year earlier. 10-Q, quarter ended Sep 26, 2026
- Net income in the quarter ended Sep 26, 2026 was $360M, up 8478.6% on a year earlier. 10-Q, quarter ended Sep 26, 2026
The bear case
- It reported a net loss of $6.9B in FY2026. 10-K, FY2026
- Diluted shares rose 7.2% in FY2026, which spreads profit across more shares. 10-K, FY2026
- Total debt rose 25.2% in FY2026 to $3.2B. 10-K, FY2026
- Components revenue fell 9.7% in FY2026 to $1.0B. 10-K, FY2026
What optimists and skeptics tend to point to, each tied to a filing. Ticker Sage doesn't pick a side, and neither list is a reason to buy or sell.
What the company does
Lumentum is in the communications equipment industry, part of the information technology sector. The SEC files it under Communications Equipment, Nec.
Lumentum reports 2 segments: Systems and Components.
Its fiscal year ends in June; the latest, FY2026, ended Jun 27, 2026.
Source: 10-K, Item 1 Business
Risks common in this industry
These are general risks for companies in the communications equipment industry. They are not a summary of Lumentum’s own risk factors; for those, read Item 1A of its latest 10-K, linked below.
- CompetitionTechnology markets move fast, and rivals large and small can change prices or products.
- Customer demandSpending by customers on technology rises and falls with their budgets and the economy.
- Security and privacyCyberattacks, outages and data-privacy rules can raise costs or harm customer trust.
- Supply and tradeReliance on suppliers and exposure to tariffs or export rules can limit what it can sell or build.
- Intellectual propertyPatent claims and licensing disputes can lead to costs or limits on products.
Source: 10-K, Item 1A Risk Factors (the company's own list, in the company's words)
Three years of key numbers
Every number links to its filing; hover for the XBRL tag. A dash means the number isn't cleanly available, and we don't estimate it.
| US$ | FY2024 | FY2025 | FY2026 |
|---|---|---|---|
| Revenue | $1.4B | $1.6B | $3.0B |
| Net income | −$546M | $26M | −$6.9B |
| Operating cash flow | $25M | $126M | $751M |
| Cash & equivalents (year end) | $437M | $521M | $2.0B |
| Total debt (year end) | $2.5B | $2.6B | $3.2B |
| Diluted shares | 67M | 70M | 75M |
- Revenue: Total revenue for the fiscal year, as the company reports it on its income statement.
- Net income: Net income attributable to the company's shareholders, after all costs, interest and taxes.
- Operating cash flow: Cash the business brought in from its day-to-day operations during the year (cash flow statement).
- Cash & equivalents: Cash and short-term investments that count as cash equivalents on the balance sheet. Excludes longer-dated marketable securities.
- Total debt: Short-term borrowings and the current part of long-term debt plus long-term debt, at carrying value.
- Diluted shares: Weighted average shares outstanding for the year, including the effect of options and stock awards.
Learn more: How to read an income statement · Earnings per share, basic and diluted · Free cash flow · How to read a balance sheet · Growth rate calculator · P/E calculator · Market cap calculator · Free cash flow calculator · Return on equity and assets calculator
Explainers for this page
- Segment reporting
- Net debt and net cash
- Debt-to-equity ratio
- The cash flow statement
- Risk factors (Item 1A)
- Accounts payable and days payable
- Book value per share
Plain-English guides to terms this file uses, with real numbers from filings.
About these numbers
- Lumentum names its fiscal year by the calendar year in which it ends, so FY2026 is the year that ended Jun 27, 2026.
Recent filings
| Form | Filed | Period |
|---|---|---|
| 10-Q | Nov 3, 2026 | Sep 26, 2026 |
| DEF 14A | Oct 6, 2026 | Nov 18, 2026 |
| 10-K | Aug 17, 2026 | Jun 27, 2026 |
Learn more: 10-K vs. 10-Q vs. 8-K · Form 4 insider filings · Fiscal years and quarters
Common questions about Lumentum
How does Lumentum make money?
Fiscal 2026 revenue: $3.0B. By segment in FY2026: Systems (67%) and Components (33%), as shares of total revenue. Total revenue was $3.0B. Source: 10-K for fiscal 2026, filed Aug 17, 2026.
What was Lumentum's revenue in fiscal 2026?
$3.0B, up 83.2% from fiscal 2025 ($1.6B). The year ended Jun 27, 2026; for fiscal 2024 the figure was $1.4B. Source: 10-K for fiscal 2026, filed Aug 17, 2026.
Is Lumentum profitable?
Net income was −$6.9B in fiscal 2026 (compared with $26M; fiscal 2025 was $26M). That counts as a GAAP loss. The latest quarter, ended Sep 26, 2026: net income was $360M. The page's About these numbers section explains what is included. Source: 10-K for fiscal 2026, filed Aug 17, 2026.
What did Lumentum report in its latest quarterly filing?
For the three months to Sep 26, 2026: revenue $1.3B (up 136.5% from $534M) and net income $360M (up 8478.6% from $4M). Source: 10-Q for the quarter ended Sep 26, 2026, filed Nov 3, 2026.
How much cash and debt does Lumentum have?
As of Sep 26, 2026: $1.3B of cash and cash equivalents, $2.8B of total debt. Total debt here is short-term borrowings and the current part of long-term debt plus long-term debt, at carrying value. Source: 10-Q filed Nov 3, 2026.
What are the main risks Lumentum faces?
Lumentum's own risk factors are in Item 1A of its 10-K for fiscal 2026, filed Aug 17, 2026. Risks that are common among companies in the communications equipment industry include Competition; customer demand; security and privacy; supply and trade; intellectual property. The first: Technology markets move fast, and rivals large and small can change prices or products. Source: 10-K, Item 1A Risk Factors.
Where do these Lumentum numbers come from?
The 10-K filed Aug 17, 2026 (fiscal 2026) and the 10-Q filed Nov 3, 2026 (quarter ended Sep 26, 2026), as published in the SEC's XBRL data. Click any number to open the filing it came from. Methodology explains how fiscal years and missing numbers are handled.
Tracked funds that report owning Lumentum
- Two Sigma Investments: 240,226 shares, reported value $206.1M at Jun 30, 2026 (−39.5% in shares since the filing for Mar 31, 2026). Form 13F filed Aug 14, 2026.
- Renaissance Technologies: 199,640 shares, reported value $171.3M at Jun 30, 2026 (−1.6% in shares since the filing for Mar 31, 2026). Form 13F filed Aug 13, 2026.
- Citadel Advisors: 102,604 shares, reported value $88.0M at Jun 30, 2026 (−27.1% in shares since the filing for Mar 31, 2026). Form 13F filed Sep 2, 2026.
- Millennium Management: 64,178 shares, reported value $55.1M at Jun 30, 2026 (−47.4% in shares since the filing for Mar 31, 2026). Form 13F filed Aug 14, 2026.
- Bridgewater Associates: 18,629 shares, reported value $16.0M at Jun 30, 2026 (+220.2% in shares since the filing for Mar 31, 2026). Form 13F filed Aug 14, 2026.
- Point72 Asset Management: 4,159 shares, reported value $3.6M at Jun 30, 2026 (−95.5% in shares since the filing for Mar 31, 2026). Form 13F filed Aug 14, 2026.
- Maverick Capital: 1,032 shares, reported value $0.9M at Jun 30, 2026 (−52.5% in shares since the filing for Mar 31, 2026). Form 13F filed Aug 14, 2026.
- Polen Capital Management: 243 shares, reported value $0.2M at Jun 30, 2026 (new in this filing). Form 13F filed Aug 4, 2026.
- Baillie Gifford: 6 shares, reported value $0.0M at Sep 30, 2026 (same number of shares as in the filing for Jun 30, 2026). Form 13F filed Nov 9, 2026.
From each fund’s latest Form 13F, which is filed up to 45 days after quarter end and lists long positions in US-listed stocks only. A listing here is a fact about a filing, not a view on the stock. What a 13F does and doesn’t show.
Disclosures
- Editor holdings in LITE
- The editor holds no position in Lumentum (LITE). As of Nov 11, 2026.
- Trading rule
- The editor does not buy or sell LITE from 3 days before to 3 days after this page is published or substantively updated.
- Compensation
- Nobody paid for this page. No affiliate links on this page.
- Sources
- The company's SEC filings, linked next to each number or, for charts, in the source line under them.
- Last updated
- Nov 4, 2026
General education, the same for every reader. Not a recommendation to buy, sell or hold LITE, and it doesn't consider your situation.
Compare with peers
| Company | Fiscal year | Revenue | Revenue growth | Net income |
|---|---|---|---|---|
| LumentumLITE | FY2026 | $3.0B | +83.2% | −$6.9B |
| CiscoCSCO | FY2026 | $63.3B | +11.8% | $13.3B |
| Arista NetworksANET | FY2025 | $9.0B | +28.6% | $3.5B |
| Motorola SolutionsMSI | FY2025 | $11.7B | +8.0% | $2.2B |
| CienaCIEN | FY2025 | $4.8B | +18.8% | $123M |
Each row is that company’s latest fiscal year from its own 10-K, using its own revenue and net income lines. Fiscal years end in different months, and line definitions differ (banks, insurers and oil companies count revenue differently), so this is a rough side-by-side, not a like-for-like comparison.
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New to filings? Learn has plain-English explainers and Tools has calculators. Methodology & Disclosures covers where every number comes from.