Is TTMI a Buy? What to Consider in 2026
Short answer
The bull case for TTM Technologies (TTMI) rests on AI data center interconnect demand: Generative AI is pushing data center and networking to about 36% of sales, with that segment growing roughly 60% year-over-year in early 2026. Revenue (TTM) is ~$3.1B. If you believe that thesis holds, the real questions become position sizing and overlap, not timing. The main risk to that view: PCB manufacturing has historically been cyclical and capital-intensive, and a slowdown in AI capital spending or defense budgets would pressure both anchor markets. Whether TTMI is a buy comes down to whether you believe the thesis. This is informational, not a recommendation, and Walnut is not an investment adviser.
TTM Technologies (Nasdaq: TTMI) makes technologically advanced printed circuit boards, RF and microwave components, and mission-systems assemblies. The name stands for time-to-market, reflecting a one-stop design, engineering, and manufacturing model. Its two anchor end markets are aerospace and defense (roughly 44% of sales, backed by a record backlog of about $1.61 billion as of early 2026 and multi-year programs like a $200 million Raytheon LTAMDS radar award) and data center and networking (about 36% of sales), where demand has surged with AI-driven interconnect complexity. The company has invested in domestic capacity, including a new Ultra-HDI plant in Syracuse, New York, and announced planned all-cash acquisitions of Swiss Technology Group and ILFA expected to close in the third quarter of 2026. The investment picture is a growth-and-valuation tension. TTM posted record 2025 revenue of about $2.91 billion and followed with roughly 30% year-over-year growth in the first quarter of 2026, raising guidance on strong AI and defense demand. That momentum drove the stock from the low double digits to an all-time high around $224 in June 2026 before pulling back, leaving a market capitalization near $16 billion and a trailing price-to-earnings ratio in the mid-80s, well above its historical average. Bulls see a durable, defense-insulated infrastructure supplier compounding on secular tailwinds; skeptics point to cyclical PCB history, customer concentration, and a valuation that leaves little room for disappointment. Walnut is not an investment adviser, and this page is descriptive rather than a recommendation.
What's the case for buying TTMI?
1. AI data center interconnect demand
Generative AI is pushing data center and networking to about 36% of sales, with that segment growing roughly 60% year-over-year in early 2026. More complex, higher-layer-count and Ultra-HDI boards raise the value of each design, supporting mix shift toward higher-margin products.
2. Aerospace and defense backlog
Aerospace and defense is the largest segment at about 44% of revenue, backed by a record backlog near $1.61 billion. Multi-year programs, including a $200 million Raytheon LTAMDS radar award, provide revenue visibility that partly insulates TTM from the sharper cyclicality of consumer electronics.
3. Domestic capacity and vertical investment
TTM opened a purpose-built Ultra-HDI and advanced-packaging facility in Syracuse, New York, aligning with US onshoring of defense electronics. Continued capital investment aims to serve high-reliability programs and capture advanced-technology content at home.
4. Acquisitions and margin expansion
The planned all-cash purchases of Swiss Technology Group and ILFA, expected to close in the third quarter of 2026, extend TTM's advanced-substrate and specialty capabilities. Management has guided to expanding non-GAAP operating margins as higher-value mix and utilization improve.
What are the risks to TTMI?
PCB manufacturing has historically been cyclical and capital-intensive, and a slowdown in AI capital spending or defense budgets would pressure both anchor markets. Customer concentration is meaningful, with large OEMs and defense contractors accounting for a significant share of revenue, so a lost program or design socket can matter. The 2026 valuation is elevated relative to history, leaving the stock sensitive to any growth disappointment or margin slippage. Integration risk from the STG and ILFA acquisitions, plus tariff, supply-chain, and foreign-competition dynamics, add further uncertainty. Global competitors with larger scale in commodity PCB volume can pressure pricing outside TTM's defense niche.
How is TTMI valued? (as of JUNE 2026)
Snapshot for TTMI as of July 2026, sourced from Yahoo Finance and may be delayed. Valuation figures move with price and earnings; verify the current numbers with your broker before deciding.
- Revenue (TTM): ~$3.1B
- FY2025 revenue: ~$2.91B
- Q1 2026 revenue: ~$846M (up ~30% YoY)
- Q1 2026 non-GAAP EPS: ~$0.75
- Market cap: ~$16B
- Trailing P/E: ~85 (forward ~53)
TTM delivered record first-quarter 2026 net sales near $846 million with an adjusted EBITDA margin around 16%, and raised guidance on AI and defense demand. The stock re-rated sharply into 2026, reaching an all-time high near $224 in June before pulling back. Trailing and forward multiples sit well above TTM's multi-year averages, reflecting high growth expectations.
How do you decide if TTMI is a buy?
Rather than asking whether TTMI is a buy in the abstract, it tends to help to answer four questions:
- Thesis: do you believe the case above, and is it still true today?
- Time horizon: a single stock can be volatile, so a longer horizon absorbs more of the swings.
- Position sizing: a thesis can be right and the sizing still wrong; decide how much of your portfolio one name should be.
- Overlap: check whether you already hold TTMI indirectly through an index or sector ETF before adding more.
For the full picture, see the TTMI stock guide (what the company does, the ETFs that hold it, similar stocks, and the themes it fits). In Walnut you can ask its AI about TTMI against your real portfolio and see your actual exposure before deciding.
The bottom line on TTMI
The bottom line: TTM Technologies's story right now is AI data center interconnect demand, with revenue (ttm) at ~$3.1B. If you believe that narrative continues, the call is about sizing TTMI sensibly and checking overlap with what you own; if you doubt it (the risk: pCB manufacturing has historically been cyclical and capital-intensive, and a slowdown in AI capital spending or defense budgets would pressure both anchor markets.), it is not for you. Decide from the thesis, not the ticker. Walnut is not an investment adviser.
Build a basket around TTMI with Walnut
Use TTM Technologies as one constituent in a thematic basket Walnut's AI helps you assemble. Describe a thesis you believe in, the AI proposes the holdings and weights, and you approve before any broker order.
FAQ
Is TTMI a good stock to buy right now?
+
The case for TTM Technologies right now is AI data center interconnect demand, with revenue (ttm) at ~$3.1B. If you believe that thesis holds, TTMI is a way to own it and the real questions are sizing and overlap, not timing; the main risk to that view is pCB manufacturing has historically been cyclical and capital-intensive, and a slowdown in AI capital spending or defense budgets would pressure both anchor markets. So it comes down to whether you believe the thesis. Walnut is not an investment adviser and this is not a recommendation.
What does TTM Technologies do?
+
TTM Technologies (Nasdaq: TTMI) makes technologically advanced printed circuit boards, RF and microwave components, and mission-systems assemblies.
What are the main risks of TTMI?
+
PCB manufacturing has historically been cyclical and capital-intensive, and a slowdown in AI capital spending or defense budgets would pressure both anchor markets. Customer concentration is meaningful, with large OEMs and defense contractors accounting for a significant share of revenue, so a lost program or design socket can matter. The 2026 valuation is elevated relative to history, leaving the stock sensitive to any growth disappointment or margin slippage. Integration risk from the STG and ILFA acquisitions, plus tariff, supply-chain, and foreign-competition dynamics, add further uncertainty. Global competitors with larger scale in commodity PCB volume can pressure pricing outside TTM's defense niche.
What does TTM Technologies do?
+
TTM Technologies makes advanced printed circuit boards, RF and microwave components, and mission-systems assemblies. It provides one-stop design, engineering, and manufacturing, with major end markets in aerospace and defense and in data center and networking.
Why has TTMI stock risen so much in 2026?
+
Demand from AI data center buildout and defense modernization drove roughly 30% revenue growth in the first quarter of 2026 and raised guidance. That momentum lifted the stock from the low double digits to an all-time high near $224 in June 2026 before it pulled back.
How does TTM make money?
+
Aerospace and defense is its largest segment at about 44% of revenue, followed by data center and networking at roughly 36%, with additional exposure to automotive, medical, industrial, and networking. It earns revenue by fabricating boards and components to customer designs.
Is TTMI profitable?
+
Yes. TTM reported positive GAAP and non-GAAP net income in the first quarter of 2026, with non-GAAP EPS around $0.75 and an adjusted EBITDA margin near 16%. Full-year 2025 revenue was a record of about $2.91 billion.
Walnut is informational and is not an investment adviser. This page is educational and not a recommendation to buy or sell TTMI; figures are approximate and dated, and your own situation, time horizon, and risk tolerance should drive any decision. Verify current data before investing.