SANM Watchlist / Needs Model Work Evidence confidence: Medium-high Data cut-off: June 15, 2026

Sanmina: ZT changed the growth profile, but the stock already knows it

Sanmina is no longer just a low-multiple electronics manufacturing services name. The ZT Systems acquisition gives it direct cloud and AI rack-scale manufacturing exposure, but the underwriting now hinges on customer concentration, working capital, and whether AI infrastructure demand supports a premium multiple.

Investment verdict: Watchlist, not buy-now from this report

The good case is obvious: FY2026 guidance implies roughly $14.0 billion of revenue and $11.05 of non-GAAP earnings per share at the midpoint, versus $8.1 billion and $6.04 in FY2025. The hard part is valuation and durability: at about 23.5x the FY2026 midpoint, the market is already paying for a successful ZT integration and continued cloud and AI demand. S2 S7

Price$260.17June 15, 2026, 2:12 PM EDT
Market value / EV$13.9B / $14.5BUses Q2 share and debt/cash data
FY2026 guide$14.0B / $11.05Revenue / non-GAAP EPS midpoint
SetupAI proof priced inStock +196% year over year

Executive Answer

What matters

ZT turned Sanmina into a much more direct AI infrastructure manufacturer. Communications Networks and Cloud and AI Infrastructure revenue was $2.77 billion in Q2 FY2026, up 278% year over year. S1

Why now

The acquisition closed on October 27, 2025 and Q2 FY2026 was the first quarter where demand, accelerated compute shipments, and FY2026 guidance forced the market to reset expectations. S2 S6

What would change the view

More conviction needs segment contribution margins, customer concentration by hyperscaler, backlog, and evidence that Q2 was not mostly a pull-forward. Without that, the current price leaves a narrow margin of safety.

Fundamentals Snapshot

TTM revenue$11.3BFY25 less H1 FY25 plus H1 FY26
Q2 FY26 revenue$4.01B+102.3% year over year
Q2 FY26 non-GAAP EPS$3.16+124.1% year over year
H1 FY26 free cash flow$434MOperating cash flow less capital expenditure
Cash / debt$1.58B / $2.17BNet debt about $0.6B
Forward P/E23.5xPrice / FY2026 non-GAAP EPS midpoint
EV / FY2026 sales1.0xStandard EV excludes contingent consideration
Customer concentration72%Top ten customers in Q2 FY26 net sales

Growth-Investment Scorecard

Scores are research-priority labels, not a rating. They emphasize durability and valuation as much as near-term growth.

Revenue growthReported growth is exceptional after ZT; core Sanmina grew 7.3% in Q2 FY26, so the organic proof is good but not explosive.
8/10
Earnings growthNon-GAAP earnings per share more than doubled in Q2 FY26 and FY2026 guide implies a major step-up.
8/10
DurabilityThe step-change depends on cloud and AI rack programs, hyperscaler order timing, and the AMD/ZT relationship.
5/10
Margin qualityNon-GAAP operating margin expanded to 6.4%, but GAAP margin is lower after acquisition, integration, and purchase-accounting costs.
6/10
Cash generationFirst-half FY2026 free cash flow was about $434 million, helped by working-capital release; durability needs more quarters.
7/10
Balance sheetCash is high, but acquisition debt moved total debt to about $2.17 billion.
6/10
ValuationAbout 23.5x FY2026 non-GAAP earnings is not extreme versus AI EMS peers, but no longer a cheap EMS multiple.
5/10
Competitive positionSanmina now has deeper AI rack manufacturing capacity plus legacy complex manufacturing and components.
7/10
Market timingThe stock is up roughly 196% year over year and 73% year to date; expectations are already elevated.
5/10

Market Fit

Fit is strong but crowded. Sanmina now maps directly to cloud and AI rack deployments, liquid-cooling-capable manufacturing, and hyperscaler infrastructure cycles. That is exactly where the market has been paying up.

Timing is less clean. The stock traded near $260 on June 15, 2026, compared with roughly $88 one year earlier and $150 at year-end 2025. The share-price move leaves the thesis dependent on FY2027 growth visibility, not just FY2026 execution. S7

Consensus posture is mixed. Public forecast pages show hold-style rating context and price targets below or near the current price, while estimate pages have moved after the Q2 beat. The free public estimate set is not clean enough for a decision-ready model. S8

What The Company Does

Integrated Manufacturing Solutions

IMS includes printed circuit board assembly and test, high-level assembly and test, and direct order fulfillment. After ZT, this segment includes AI and general-purpose computer infrastructure for hyperscale customers. IMS was about 89% of Q2 FY2026 revenue. S1

Components, Products and Services

CPS includes advanced boards, backplanes, cables, enclosures, precision metal and plastic parts, optical and radio-frequency design, Viking storage platforms, SCI defense and aerospace, 42Q software, repair, logistics and related services. S4

Plain English: Sanmina builds complex hardware for original equipment manufacturers. The business is valuable when products are complex, regulated, time-sensitive, or operationally hard to scale. It is less valuable when customers treat manufacturing as a commodity and force price concessions.

Long-Term Growth Products

AI rack and cluster-scale systems

The ZT acquisition adds manufacturing capacity for AI and general-purpose compute infrastructure used by hyperscale cloud customers. This is the main long-term growth product line to underwrite. S1 S6

New product introduction for AMD cloud systems

Sanmina became a preferred U.S.-based manufacturing partner for AMD cloud rack and cluster-scale AI solutions. That role can help if AMD customers need faster qualification and deployment cycles. S6

Legacy complex manufacturing and components

Industrial, energy, medical, defense, aerospace, automotive, advanced boards, backplanes, cables, enclosures, Viking storage platforms, SCI defense products and 42Q software remain important, but they are no longer the main share-price driver.

Decision Hinge: Is ZT A Durable Platform Or A One-Year Step-Up?

Bull case

ZT adds scale, U.S. manufacturing capacity, liquid-cooling know-how, hyperscaler relationships, and an AMD preferred new product introduction role. If that converts into multi-year rack and cluster deployments, Sanmina can look less like a normal EMS company. S6

Central question

Q2 revenue was helped by accelerated compute shipments that shifted into the quarter. The key issue is whether the run-rate normalizes near $3.3 billion to $3.6 billion per quarter or continues toward a credible $16 billion-plus FY2027 path.

Bear case

Two customers represented 10% or more of Q2 FY2026 net sales and the top ten represented 72%. If AI rack orders are lumpy or a large customer pulls back, the earnings base can reset quickly. S1

Good Growth Investment?

  • Yes if: ZT revenue proves durable, FY2027 revenue has line of sight above $16 billion, non-GAAP operating margin holds near mid-6% or better, and free cash flow funds both de-levering and buybacks.
  • Watchlist if: revenue remains strong but customer concentration, working capital, and contribution margins are not yet visible. This is the current posture.
  • No if: Q2 was mostly shipment pull-forward, AI rack gross margins disappoint, customer forecasts soften, or Sanmina keeps buying back stock before proving post-ZT balance-sheet resilience.

Eight-Quarter Revenue And Earnings Chart

The chart uses the past six reported quarters, Q3 FY2026 company guidance midpoint, and a Q4 FY2026 public-estimate / full-year-guide bridge. Earnings are non-GAAP diluted earnings per share because Sanmina guides and reconciles that metric.

Quarterly growth sequence

Hover or focus a bar for source status and year-over-year growth.

Revenue is in billions of United States dollars. Earnings are non-GAAP diluted earnings per share. Future quarters are estimates and are visibly labeled.
QuarterStatusRevenueRevenue GrowthNon-GAAP EPSEPS GrowthSource
Q1 FY25Reported$2.01B+7.0%$1.44+10.8%SEC 8-K exhibit
Q2 FY25Reported$1.98B+7.7%$1.41+8.5%SEC 8-K exhibit
Q3 FY25Reported$2.04B+10.9%$1.53+22.4%SEC 8-K exhibit
Q4 FY25Reported$2.10B+4.5%$1.67+16.8%SEC 8-K exhibit
Q1 FY26Reported$3.19B+59.0%$2.38+65.3%SEC 8-K exhibit
Q2 FY26Reported$4.01B+102.3%$3.16+124.1%SEC 8-K exhibit and 10-Q
Q3 FY26Company guide midpoint$3.35B+64.1%$2.70+76.5%Q2 FY26 guide midpoint
Q4 FY26Public estimate / FY guide bridge$3.53B+68.4%$2.81+68.3%Revenue from public estimate snapshot; EPS bridges FY2026 guide

Growth Estimates Consensus

Free public forward estimates conflict after the ZT reset. The FY2026 line uses company guidance midpoint. FY2027 and FY2028 are a public-estimate/model bridge, not paid consensus. This prevents the report from pretending there is a clean consensus data set where one was not available.

Three-year growth estimate bridge

Use this as a starting point for a model, not as a decision-ready forecast.

The FY2027 revenue line is anchored to the public management target discussed after Q2; FY2028 is model-derived until a cleaner source is pulled.
YearStatusRevenueRevenue GrowthNon-GAAP EPSEPS GrowthSource
FY25 actualReported$8.13B+7.4%$6.04+14.4%Company non-GAAP release
FY26ECompany midpoint$14.00B+72.2%$11.05+83.0%Company FY2026 guide midpoint
FY27EPublic estimate / management bridge$16.00B+14.3%$11.40+3.2%Management public target plus public next-year EPS estimate
FY28EModel bridge$17.70B+10.6%$12.54+10.0%Derived from public long-range growth/EPS snapshots

Competitive Comparison

Sanmina is best compared with EMS and cloud-infrastructure manufacturing peers. Celestica is the strongest AI manufacturing read-through, while Flex, Jabil and Benchmark help frame valuation, margins, diversification and cyclicality.

CompanyProduct PositionPast Growth / MarginExpected GrowthValuationRead-through
SanminaEMS, components, AI rack and cluster-scale manufacturing after ZTQ2 FY26 revenue +102%; non-GAAP operating margin 6.4%FY26 guide: $13.7B-$14.3B revenue and $10.75-$11.35 non-GAAP EPS~23.5x FY26E non-GAAP EPS; ~1.0x FY26E EV/salesCleaner AI manufacturing exposure after ZT, but still low-margin and customer concentrated.
JabilLarge EMS platform with cloud, data-center, optical, industrial and healthcare exposureRecent reported quarter revenue +23%; cloud/data-center momentumFY26 company outlook raised to roughly $34B revenue and $12.25 adjusted EPSAbout 28x forward earnings; about 1.3x EV/salesBigger and more diversified, with a broader investor base and higher multiple.
FlexGlobal design, manufacturing, power and industrial platformRecent quarter revenue +17%; management points to low to mid-single-digit FY27 growthLess direct pure AI rack torque than SANM or CLSAbout 33x forward earnings; about 2.0x EV/salesBroader platform, but less clean as a ZT-style AI infrastructure comp.
CelesticaConnectivity and Cloud Solutions plus Advanced Technology SolutionsQ1 2026 revenue +53%; adjusted operating margin 8.0%FY2026 company forecast around $19B revenue and $10.15 adjusted EPSAbout 3.3x EV/revenue; forward earnings multiple in the low-to-high 30sBest public read-through for AI cloud manufacturing, but already receives a premium multiple.
Benchmark ElectronicsSmaller EMS peer in semi-cap, industrial, aerospace, medical and advanced computingQ1 2026 revenue +7.2%; FY2026 revenue growth outlook raised to 9%-10%Steadier industrial and medical growth rather than hyperscaler-scale rack exposureAbout 1.2x price/sales; forward PE less available in free public sourcesUseful margin/cycle comp, but much smaller and less directly tied to AI rack programs.

Valuation And Scenario Framing

Downside case

If FY2026 is a pull-forward year and earnings settle near $9.50, an 18x multiple implies roughly $170 per share. That would still not require a broken business, only lower confidence in durability.

Base case at current price

At $260, the market is effectively underwriting something like $13.00 of normalized FY2027 earnings at a 20x multiple, or a similar EV/sales outcome if revenue moves toward $16 billion and margins hold.

Upside case

A credible path to $18 billion of revenue, high-6% non-GAAP operating margin, and $15-plus earnings per share could justify further upside. That requires multiple quarters of ZT execution and customer breadth.

This is not a target price. It is a decision frame: the stock is attractive only if the next model can support FY2027/FY2028 durability and cash conversion after acquisition debt.

Risks And Disconfirmers

Customer concentration

Top-ten customers were 72% of Q2 FY2026 revenue, and two customers crossed 10%. That is the highest-priority diligence issue because it can turn growth into volatility. S1

Low-margin hardware economics

Even after the AI step-up, Q2 GAAP operating margin was 3.9% and non-GAAP operating margin was 6.4%. The business must generate large revenue volume to create earnings leverage. S2

Integration and acquisition accounting

ZT created acquisition, integration, intangibles, inventory step-up, debt, and contingent consideration items. GAAP and non-GAAP earnings will tell different stories for several quarters. S1

Working capital and tariffs

Sanmina is exposed to inventory, customer forecast changes, tariff recovery timing, supply-chain constraints and international manufacturing complexity. Q2 cash flow was strong, but it is not enough evidence by itself.

Monitoring Items

  • Q3 FY2026 revenue versus the $3.2 billion to $3.5 billion guide, especially whether any ZT pull-forward reverses.
  • Non-GAAP operating margin versus the 6.4% to 6.9% Q3 guide and gross margin within the AI infrastructure programs.
  • Free cash flow after working-capital normalization, not just after large receivable or inventory releases.
  • Customer concentration: number of 10%-plus customers, top-ten percentage, and any commentary on hyperscaler breadth.
  • Net debt, interest expense, and repurchase pace relative to acquisition integration needs.

Evidence Confidence, Assumptions, And Open Work

Evidence confidence

Medium-high for historical financials, balance sheet, guidance, and the ZT transaction because the primary sources are SEC filings and SEC-filed releases.

Major assumptions

Market value uses Q2 FY2026 outstanding shares and the June 15 quote. Future EPS uses non-GAAP earnings because management guides that metric. FY2027/FY2028 revenue estimates are not clean paid consensus.

Open evidence requests

Pull the Q2 transcript, build a customer concentration bridge, separate ZT contribution margins, collect backlog/order commentary, and build a debt paydown and buyback model.

Source Register

IDSourceTypeDateCoverageConfidenceUse
S1Sanmina Q2 FY2026 Form 10-QSEC filingApr. 27, 2026Quarter ended Mar. 28, 2026HighGAAP revenue, end-market mix, cash, debt, share count, ZT accounting, customer concentration.
S2Sanmina Q2 FY2026 earnings release, Exhibit 99.1SEC-filed company releaseApr. 27, 2026Q2 FY2026 results and FY2026 guideHighNon-GAAP results, Q3 and FY2026 guidance, free cash flow, buyback authorization, ZT commentary.
S3Sanmina Q1 FY2026 earnings release, Exhibit 99.1SEC-filed company releaseJan. 26, 2026Q1 FY2026 resultsHighNon-GAAP chart history, Q2 FY2026 guide, early ZT integration commentary.
S4Sanmina FY2025 Form 10-KSEC filingNov. 13, 2025Fiscal year ended Sep. 27, 2025HighBusiness model, segments, 2025 revenue, gross margin, customer concentration, ZT transaction context.
S5Sanmina FY2025 earnings release exhibitsSEC-filed company releasesJan. 2025 to Nov. 2025FY2025 quarterly historyHighSix-quarter non-GAAP earnings and cash-flow history.
S6ZT Systems acquisition closing releasesCompany releasesOct. 27, 2025ZT closing and strategic partnershipMedium-highStrategic rationale, AMD partnership, manufacturing footprint, cloud and AI positioning.
S7Yahoo Finance chart and quote snapshotsMarket dataAccessed Jun. 15, 2026, 2:12 PM EDTCurrent price and trading dataMediumShare price, 52-week range, volume and market timestamp. Market cap cross-checked against public quote pages.
S8Public estimate snapshotsMarket data and estimatesAccessed Jun. 15, 2026Forecasts and ratingsMedium-lowQuarterly revenue estimates, public EPS estimate context, analyst rating and price-target context.
S9Peer public valuation and earnings sourcesMarket data and company releasesAccessed Jun. 15, 2026Peer comparisonMediumJabil, Flex, Celestica and Benchmark growth and valuation context.