Lumentum Holdings Inc (LITE) — Quality & forensics

As of 2026-09-18 — refreshed nightly. Closelook readings from an investment research diary, not ratings or advice.

The Closelook module scores

55 /100 composite · 7 modules · semis-cyclical weight set

Valuation 21
Quality 41
Growth 82
Balance sheet 78
Cash quality 58
Capital allocation 20
Momentum 68

Scores are computed nightly across the coverage universe and read relative to it — the methodology lives in the company-scoring explainer.

Financial forensics — the academic screens

16.30 Altman Z-Score

Sits in the safe zone (above 2.99). The Z-Score estimates financial-distress risk from five balance-sheet and earnings ratios.

5/9 Piotroski F-Score

Nine binary fundamental-strength checks across profitability, leverage and operating efficiency.

-6.47 Beneish M-Score

Screens reported earnings for statistical manipulation patterns — below the −1.78 manipulation-risk threshold. A screen, not an accusation.

Continue: the LITE chart & overview · the earnings record

FAQ · from the current data · as of 2026-09-18

Quick answers

What is Lumentum Holdings Inc's Closelook quality reading?

The composite reads 55/100 across 7 modules, as of 2026-09-18: valuation 21, quality 41, growth 82, balance sheet 78, cash quality 58, capital allocation 20, momentum 68. Closelook scores are research diary readings, not ratings or investment advice.

What is Lumentum Holdings Inc's Altman Z-Score?

16.30, which sits in the safe zone (above 2.99) as of 2026-09-18. The Altman Z-Score estimates financial distress risk from five balance-sheet and earnings ratios.

What is Lumentum Holdings Inc's Piotroski F-Score?

5 of 9, as of 2026-09-18. The F-Score counts nine binary fundamental-strength signals across profitability, leverage and operating efficiency.

What does Lumentum Holdings Inc's Beneish M-Score indicate?

-6.47 — below the −1.78 manipulation-risk threshold, as of 2026-09-18. The M-Score screens reported earnings for statistical manipulation patterns; it is a screen, not an accusation.

Mentioned on Closelook

Where LITE appears in the diary — 20 pieces, newest first. Every link is our own writing.

Long reads

Optical Interconnects — The Toll Nobody KeepsReport · 13 Aug 2026On Monday, Lumentum followed with −8.6%.
Portfolio Construction — Build a Barbell · Closelook Heresy IIIHeresy · 16 May 2026Live cohort as of May 2026: COHR · CRWV · GLW · INTC · IREN · LITE · MRVL · NBIS · NOK · SNPS.
Pattern 03 — NVIDIA Strategic Authority InvestmentReport · 12 May 2026Tier 2 typically appears bundled inside Tier 1 events: Lumentum's capacity-access rights, Coherent's purchase commitments, and IREN's 5 GW deployment partnership all rode in on the same 8-Ks as the equity investments.
Nvidia’s Equity Stakes — Follow the Wise Men, Pattern 03 PreviewWeekly Signal · 10 May 2026Lumentum has gone from roughly $50 in mid-2024 to $903.80 on Friday — a near-twenty-fold move, with NVIDIA's investment landing during the climb.

101 and glossary

Networking & Optical Interconnects: The Constraint After Compute101NVIDIA’s networking stack (acquired via Mellanox), Broadcom’s switching silicon, Marvell’s interconnect IP, and the optical transceiver ecosystem (Lumentum, Coherent, Fabrinet) all benefit from the same physical reality: at cluster scale…
Optical TransceiverGlossaryA device converting electrical signals to optical for fiber networking; LITE, COHR, and FN are pure-play beneficiaries.
Strategic Authority Investment: Reading the Jensen Huang Roadmap101Forward watchlist: LITE, COHR, FN (optical), MU (memory), VRT, GEV (power), PSTG, NTAP, WDC (storage).

Dailies

Day after the hike — yields fall and the lines are retaken: 10-year 4.95%, chips +3% over $505, S&P ETF above $757.83Midday 10 · 17 Sept 2026Chips, the design side wider: AMD +6.4% to $545.38, Micron +5.5% to $977.94, Broadcom +2.9% to $349.39, Nvidia +2.3% to $218.74, TSMC +2.1% to $425.93; memory ETF +4.4% to $57.63; optics pause — Lumentum −0.4% at $916, Coherent +1.2%
Rates — the Fed hikes and the 10-year closes above 5%: the belly sold, the relief unwound, chips back under $505Morning 10 · 17 Sept 2026Inside chips the day was not one story: optics and interconnect were bought hard — Lumentum +9.6%, Credo +7.4%, Coherent +6.9%, Astera Labs +6.6%, Soitec +13.4% in Paris — and the equipment names were sold again, Applied Materials −1.4%…
Oil knocks on $100 and Wall Street sells everything but the AI pipe: Intel +9%, Lumentum +11%, Dow −1.2% — Seoul buys the dip and the Kospi is back above 7,000Morning 10 · 9 Sept 2026Intel +9.1% on another CPU price rise, AMD +5.9%, Broadcom +3.0%, and the optical names went vertical — Lumentum +11.0%, Corning +7.6% on an 80-million-mile fibre contract with Verizon, Coherent +7.1% — while Shopify, UiPath and Atlassian…
Chips up again, software down again — Friday's split is turning into a trendMidday 10 · 8 Sept 2026Lumentum up 12%, Corning 10%, Coherent 10%, Intel 9%
Decision Time for the Semi ComplexDaily Pulse · 25 Aug 2026How the complex got to the line NVDA Mon −2.91% — the only red mega-cap MSFT +0.84% · GOOGL +0.94% · AMZN +1.33% · META +1.66% · AAPL +0.32% DRAM (memory) 54.28 −5.89% COHR 275.49 −4.85% · LITE 830.17 −4.22% · FN 421.14 −3.56% · AMAT…
The buyback rally fades and the 30-year pushes back to 5.25%, but crypto answers louder — Bitcoin above 75,000 toward its best week since March 2024, BITW breaks a year-long wedge, and the yen's first falsifier line goes live at 158.83Morning 10 · 21 Aug 2026LITE +6.24% (879.28), COHR +0.89%, FN −2.13% (444.87), AMAT +0.01% (496.21).
The Treasury buys duration with bills, hard assets read it first — Bitcoin toward 70,000, gold through 4,400, as the minutes turn hawkish and Korea answers its crash with a buybackMorning 10 · 20 Aug 2026SOXX −2.21%, XSD −2.79%, SMH −1.55% Wednesday even as the DRAM ETF held flat +0.07% to 55.14; singles AMAT −3.53% (496.17), LITE −5.23%, COHR −6.19%, FN −5.81% (454.55), NBIS −9.87%, CRWV −2.47%.
A buyer steps into the software discount — Silver Lake circles Workday while AMAT's beat gets charged after darkMorning 10 · 14 Aug 2026And Lumentum's earnings window closes at tonight's bell — a record that has never printed a middle faces its first.