Key Takeaways
Sanmina Corporation's fiscal year 2025 (52-week year ended late September 2025; Sanmina uses a fiscal calendar ending the last Saturday of September) was a year of margin discipline through cyclical end-market softness: revenue of approximately $7.9-8.2B (-3-5% YoY) reflected weakness in communications networking and industrial customer programs that was partially offset by continued strength in defense, aerospace, and medical device manufacturing volumes, while adjusted operating income of approximately $440-475M at ~5.4-5.7% adj. operating margin and adjusted EPS of approximately $5.40-5.85 demonstrated that Sanmina's structural margin profile — favorable mix shifted toward higher-value defense, aerospace, medical, and complex optical/RF products — held up better than the larger Tier 1 EMS peers (Flex, Jabil) whose mix tilts more heavily toward consumer electronics and lower-mix commoditized telecom OEM programs. The company finished FY2025 with approximately $325M net debt against approximately $475M adjusted EBITDA, leverage of approximately 0.7x — among the strongest balance sheets in the Tier 1 EMS sector — and continued executing aggressive share repurchases (approximately $250-300M in FY2025 buybacks) that reduced diluted share count by approximately 5% YoY to approximately 55-56M. The investment thesis for Sanmina in FY2026 (ending September 2026) centers on three structural questions: (1) whether the defense and aerospace order backlog continues expanding at the rate that has been observed through FY2024-FY2025 (driven by US defense procurement increases and the prime contractors' supply chain rebalancing toward US-based manufacturing partners), (2) whether the optical networking cycle inflects upward as cloud and AI infrastructure customers begin re-accelerating optical transceiver and networking equipment orders following FY2024-FY2025 inventory normalization, and (3) whether Sanmina can sustain its mid-5% adjusted operating margin (versus EMS peer ~3-4%) as customers pressure margins in the absence of supply chain crisis pricing power.
Sanmina was founded in 1980 in San Jose, California by Jure Sola and Milan Mandaric to provide printed circuit board assembly services to Silicon Valley technology companies. Over four decades, Sanmina has grown through both organic expansion and major acquisitions (most significantly the SCI Systems merger in 2001 that doubled the company's scale and added significant defense and government customer relationships) to become a Tier 1 EMS provider with approximately 70 manufacturing facilities globally, approximately 35,000 employees, and approximately $8B in annual revenue. CEO Jure Sola, who has led Sanmina since founding, represents an unusual continuity in the contract manufacturing industry where most peers have transitioned to professional management — Sola's continued leadership reflects both his operational expertise and the absence of an obvious internal successor. The Sanmina strategic identity has been more conservative and disciplined than the larger Tier 1 peers: while Flex (formerly Flextronics) and Jabil pursued aggressive expansion into design services, supply chain logistics, and adjacent businesses, Sanmina maintained a more focused EMS positioning with deliberate emphasis on higher-mix, higher-complexity, lower-volume manufacturing — the niche where customers value technical capability and supply continuity more than the lowest unit cost. This positioning has produced lower revenue growth than peers but more consistent operating margins through commodity cycles.
Business Structure
Sanmina reports through two segments: Integrated Manufacturing Solutions (IMS) and Components, Products, and Services (CPS).
Integrated Manufacturing Solutions (~80% of revenue, ~$6.4B FY2025): IMS is the core EMS business — Sanmina manufactures and assembles complete electronic products and complex sub-assemblies for OEM customers across multiple industries. Customers include defense primes (Lockheed Martin, RTX, BAE Systems, Northrop Grumman), networking and communications OEMs (Cisco, Nokia, Ericsson, Juniper), medical device companies (Philips, Siemens Healthineers, Abbott, Medtronic), and various industrial and automotive customers. The IMS revenue mix favors higher-complexity programs:
- Communications networking (~30% of IMS): Optical transceivers, networking equipment, telecom infrastructure
- Defense, aerospace & government (~25% of IMS): Mission-critical electronics for radar, avionics, secure communications, satellite
- Medical & instrumentation (~20% of IMS): Imaging systems, surgical robotics, patient monitoring
- Industrial, automotive, energy (~25% of IMS): Industrial automation, EV components, power management
Components, Products, and Services (~20% of revenue, ~$1.6B FY2025): CPS includes Sanmina-designed and manufactured components (printed circuit boards, precision machining, mechanical assemblies, optical modules) sold both to internal IMS customers and externally to other contract manufacturers. The CPS segment generates higher gross margins than IMS (~12-15% vs. ~7-9%) but at smaller scale. CPS includes Sanmina's enterprise computing solutions group (servers, storage, networking — derived from the legacy SCI heritage) which serves cloud and enterprise customers.
Key Core Metrics Performance
Revenue and Margin Trajectory (FY2021–FY2025, fiscal years ending late September)
| Fiscal Year | Revenue | Adj. Op. Income | Adj. Op. Margin | Adj. EPS | Diluted Shares | Net Debt |
|---|---|---|---|---|---|---|
| FY2021 | ~$6.76B | ~$295M | ~4.4% | ~$3.95 | ~64M | ~$320M |
| FY2022 | ~$7.89B | ~$405M | ~5.1% | ~$4.95 | ~62M | ~$280M |
| FY2023 | ~$8.95B | ~$485M | ~5.4% | ~$5.85 | ~60M | ~$220M |
| FY2024 | ~$8.42B | ~$465M | ~5.5% | ~$5.65 | ~58M | ~$285M |
| FY2025 | ~$8.05B | ~$455M | ~5.7% | ~$5.65 | ~55-56M | ~$325M |
The margin discipline through FY2024-FY2025 — adjusted operating margin actually expanding from 5.5% to 5.7% despite declining revenue — reflects favorable mix shift (defense and medical growing while lower-margin telecom networking declined) and the operational leverage Sanmina achieves on its more complex programs even at lower volumes.
End-Market Mix Evolution (FY2022 vs. FY2025)
| End Market | FY2022 % of Revenue | FY2025 % of Revenue | Mix Shift Direction |
|---|---|---|---|
| Communications Networking | ~32% | ~26% | ▼ (telecom OEM weakness, optical inventory correction) |
| Defense, Aerospace, Government | ~22% | ~28% | ▲ (US defense procurement, prime supply chain) |
| Medical & Instrumentation | ~18% | ~21% | ▲ (medical device demand growth) |
| Industrial, Automotive, Energy | ~22% | ~20% | ↔ (industrial soft, EV mix lower-margin) |
| Computing & Storage | ~6% | ~5% | ↔ (cloud customer concentration) |
| Total | 100% | 100% |
The shift toward defense, aerospace, and medical end markets — collectively now ~49% of revenue — is the structural margin support: these customer programs typically carry higher engineering content (Sanmina's design-for-manufacturing services command premium pricing), longer product lifecycles (reducing the volatility of program ramp/decline), and more limited competition (defense customers have fewer qualified suppliers due to security clearance and ITAR requirements).
Capital Returns
| Fiscal Year | Adj. Net Income | Buybacks | Dividend | Capex | FCF | Diluted Share Reduction |
|---|---|---|---|---|---|---|
| FY2022 | ~$307M | ~$140M | $0 | ~$190M | ~$315M | ~3% |
| FY2023 | ~$351M | ~$280M | $0 | ~$220M | ~$385M | ~4% |
| FY2024 | ~$328M | ~$290M | $0 | ~$200M | ~$340M | ~4% |
| FY2025 | ~$315M | ~$250-300M | $0 | ~$185M | ~$320M | ~5% |
Sanmina does not pay a dividend (capital returns flow entirely through buybacks) and the consistent ~$250-300M annual buyback program has reduced diluted shares by ~13-15% over the FY2022-FY2025 period, providing meaningful per-share earnings leverage even as absolute net income has been roughly stable.
Market Evaluation
Sanmina trades at approximately 12-16x forward adjusted EPS and approximately 7-9x forward adjusted EBITDA — valuations modestly above commodity EMS peer multiples (Flex, Jabil at ~10-13x EPS) reflecting both the mix-driven margin premium and the favorable defense/aerospace exposure. The bull case is defense supercycle + optical recovery: if US defense procurement continues at the elevated FY2024-FY2025 pace, Sanmina's defense IMS revenue could grow 8-12% annually through FY2028, while a recovery in communications networking (optical transceiver demand, telecom equipment refresh cycles) could add another $400-600M in IMS revenue at peer-leading margins — implying $9.0-9.5B revenue and $7-8 adj. EPS by FY2027, supporting equity upside at sustained multiples. The bear case is margin compression: customer pricing pressure as supply chain crisis premium fades, defense procurement slowing if US fiscal policy shifts, or competitive intensity from larger peers (Flex, Jabil) targeting Sanmina's higher-margin niches could compress adj. operating margin to 4.5-5.0% — pulling EPS to $4.50-5.00 and limiting equity upside despite buyback support.
The Defense and Aerospace Strategic Position
Sanmina's defense and aerospace business — approximately 28% of revenue and growing ~10-12% annually through FY2024-FY2025 — represents a structurally differentiated position within the Tier 1 EMS competitive set. Defense customers (Lockheed Martin, RTX, BAE Systems, Northrop Grumman, L3Harris) require manufacturing partners with security clearances (facility and personnel), ITAR (International Traffic in Arms Regulations) compliance, US-based manufacturing footprint, and the ability to manufacture mission-critical electronics with stringent quality and reliability standards. The barriers to entry into defense EMS are substantial — competing primes' switching costs are high once a supplier qualification is established (qualifying a new EMS partner for a defense program typically takes 18-36 months and significant engineering effort), and the customer base is relatively concentrated (the top 10 US defense primes generate the majority of US defense electronics manufacturing demand).
Sanmina's defense capabilities are anchored at facilities in Huntsville Alabama, Owego New York, and Kanata Ontario — all with Top Secret facility clearances and decades of relationships with defense primes. The US defense procurement environment in FY2024-FY2025 has been favorable: increasing FY DOD budgets driven by geopolitical pressures (Ukraine, Israel, Indo-Pacific deterrence requirements) and the prime contractors' increased emphasis on US-based supply chains (versus pre-pandemic offshore manufacturing) have pushed work toward qualified domestic EMS partners like Sanmina. The strategic question for FY2026 is whether this defense order intake pace continues or whether US fiscal pressures cause a procurement slowdown — Sanmina's defense backlog visibility through FY2026 is reasonably strong but the FY2027+ outlook depends on how the next US administration's defense priorities translate into actual program awards.