What is the market impact of Lumentum Holdings Inc.'s 10-Q filing?

Lumentum's 136.5% revenue growth and 51% gross margin confirm it is a direct beneficiary of the AI/cloud infrastructure capex cycle, but the 37% single-customer dependency is a double-edged sword. Extended-hours trading shows LITE at $682.20, up 0.30% from the regular close of $680.16 — a muted reaction suggesting the explosive 136.5% revenue growth and margin expansion were largely priced in for this $61.6B market-cap name.

What are the key takeaways from Lumentum Holdings Inc.'s 10-Q filing?

Net revenue of $1.263B, up 136.5% YoY from $533.8M, driven by both Components (+98.9%) and Systems (+228.8%). • Gross margin expanded to 51.0% from 34.0% YoY; gross profit surged 254.8% to $644.0M. • Diluted EPS of $3.54 vs. $0.05 a year ago; net income was $360.3M vs. $4.2M. • One end customer accounted for 37% of total net revenue; three customers represented 33.4%, 13.7%, and 11.3% of gross AR. • Cash and equivalents fell to $1.27B from $2.04B at prior quarter-end, driven by $493.3M in convertible note conversions and $306.9M in tax withholding on RSU settlements.

10-Q Impact 8/10 Earnings

$LITE · Lumentum Holdings Inc.

November 3, 2026 · AI-analyzed SEC filing · Verify material figures against the official SEC.gov filing

View original filing on SEC.gov → All SEC filings →

Summary

Lumentum Holdings filed its 10-Q for Q3 FY2026 (ended September 26, 2026), reporting net revenue of $1.263 billion, a 136.5% increase from $533.8 million in the year-ago quarter. Gross profit reached $644.0 million (51.0% margin) versus $181.5 million (34.0% margin). Net income was $360.3 million, or $3.54 diluted EPS, compared to $4.2 million ($0.05 diluted EPS) a year ago. The quarter reflects the integration of Cloud Light and surging demand from AI/ML and cloud infrastructure customers.

Key points

Net revenue of $1.263B, up 136.5% YoY from $533.8M, driven by both Components (+98.9%) and Systems (+228.8%).
Gross margin expanded to 51.0% from 34.0% YoY; gross profit surged 254.8% to $644.0M.
Diluted EPS of $3.54 vs. $0.05 a year ago; net income was $360.3M vs. $4.2M.
One end customer accounted for 37% of total net revenue; three customers represented 33.4%, 13.7%, and 11.3% of gross AR.
Cash and equivalents fell to $1.27B from $2.04B at prior quarter-end, driven by $493.3M in convertible note conversions and $306.9M in tax withholding on RSU settlements.

Financial results

PeriodQ3 FY2026

ResultBeat

Revenue$1.263B

EPS$3.54

Market impact

Extended-hours trading shows LITE at $682.20, up 0.30% from the regular close of $680.16 — a muted reaction suggesting the explosive 136.5% revenue growth and margin expansion were largely priced in for this $61.6B market-cap name.

Why this matters

Lumentum's 136.5% revenue growth and 51% gross margin confirm it is a direct beneficiary of the AI/cloud infrastructure capex cycle, but the 37% single-customer dependency is a double-edged sword.

Sector context

Lumentum's results reflect the AI/ML infrastructure buildout boom, with optical components and systems demand surging from cloud and data center operators. The 51% gross margin signals strong pricing power in photonics, outpacing traditional networking peers.

Risk factors

Customer concentration is extreme: one end customer accounted for 37% of total net revenue in Q3 FY2026. The filing also flags macroeconomic volatility including tariffs, trade restrictions on rare earth minerals, and supply chain risks. Inventory rose to $807.7M from $691.6M sequentially.

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$LITE · Lumentum Holdings Inc.

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