← Who reports today · Information Technology
LITE · Q4 FY2026
Archived report (Q4 FY2026). Latest deep dive →
The quarter in brief
Revenue grew 109.3% y/y to $1.01B, operating margin 27.8% vs −1.7%, net loss $7.16B (vs net income $213M a year earlier).
All figures in $M.
| Line item | Amount and change |
|---|---|
| Net revenue | $1,006 · +109% |
| Other income, net | $22.6 · +842% |
| Income Tax Benefit | $297 · +32.0% |
| Net (loss) income | $7,162 · vs $213 |
| Cost of sales | $510 · +69.1% |
| Amortization of acquired developed intangibles | $19.2 · −0.5% |
| Research and development | $104 · +31.3% |
| Selling, general and administrative | $91.2 · +9.1% |
| Restructuring and related charges | $2.4 · −53.8% |
| Loss on debt extinguishment | $7,757 · vs $0 |
| Interest expense | $3.6 · −33.3% |
Verdict: revenue grew 109.3% y/y to $1.01B, operating margin 27.8% vs −1.7%, net loss $7.16B (vs net income $213M a year earlier).
GAAP net loss of $84.65 per diluted share; non-GAAP net income $326.3 million, or $3.23 per diluted share; Q1 fiscal 2027 revenue guidance midpoint $1.25 billion; cash, cash equivalents and short-term investments $2.7 billion.
Source and notation
Source: Lumentum press release, 8-K EX-99.1 of 08/11/2026 (SEC EDGAR). Every figure was matched against the income statement in the release and checked against SEC XBRL.
Open as an image: LITE, Q4 FY2026 (PNG) ↗ · for sharing and presentations · free to reuse, CC BY 4.0
Cite / embed this chart
Free to use in articles, research and social posts with credit to Who Reports Today and a link — licensed under CC BY 4.0 (terms).
Chart: “LITE Q4 FY2026: where the revenue went” by Who Reports Today, https://whoreportstoday.com/t/lite/q4-fy2026. Licensed under CC BY 4.0.
<figure> <a href="https://whoreportstoday.com/t/lite/q4-fy2026"><img src="https://whoreportstoday.com/t/lite/q4-fy2026/sankey.png" alt="LITE Q4 FY2026: where the revenue went" loading="lazy" style="max-width:100%;height:auto"></a> <figcaption>Source: <a href="https://whoreportstoday.com/t/lite/q4-fy2026">Who Reports Today</a>, licensed under <a href="https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a></figcaption> </figure>
https://whoreportstoday.com/t/lite/q4-fy2026/sankey.png
<a href="https://whoreportstoday.com/t/lite/q4-fy2026">LITE Q4 FY2026 earnings chart (Who Reports Today)</a>
This is an archived report: the image at this link won’t change. If you change the chart (crop, translate), say so in the credit. Company logos and trademarks are not covered by the license.
- The GAAP net loss of $7.2 billion was driven by the equitization of certain convertible notes, which produced a one-time, non-cash loss on debt extinguishment of $7.8 billion.
- Net revenue more than doubled to $1.01 billion from $480.7 million a year earlier as AI data center demand for optical links grew; it was $808.4 million in the previous quarter.
- Gross margin was 47.4% vs 33.3% a year earlier.
- Operating income was $279M, a 27.8% margin vs −1.7% a year earlier.
- Diluted EPS was −$84.65 vs $2.96 a year earlier.
What distorts the picture in this report and what to watch beyond the headlines.
LITE — Lumentum designs and makes optical and photonic products — lasers, transceivers and components for cloud and AI data centers, telecom networks and industrial uses.
Its fiscal year ends in late June. Headquarters: San Jose, California.
Heads-up
- a net loss in Q4 FY2026 ($7,162 · vs $213)
Net loss for Q4 FY2026: $7,162M. Based on the Q4 FY2026 report.
The company's report ↗More reports: LRCX · Q3 2026 · MCHP · Q1 FY2027 · MPWR · Q3 2026 · MRVL · Q2 FY2027 · MSFT · Q1 FY2027 · MSI · Q2 2026 · MU · Q4 FY2026 · NOW · Q3 2026 · NTAP · Q1 FY2027 · NVDA · Q2 FY2027 · all reports