Is KN a Buy? What to Consider in 2026
Last updated July 2026
Short answer
The bull case for Knowles Corporation (KN) rests on Precision Devices growth: The Precision Devices segment, spanning high-performance capacitors and RF and microwave filters, grew roughly 17 percent year over year in Q1 2026 with strength across defense, medtech, industrial, and electrification. Revenue (TTM) is ~$610M. If you believe that thesis holds, the real questions become position sizing and overlap, not timing. The main risk to that view: Knowles is a small-cap supplier exposed to cyclical industrial, electrification, and defense budget swings, and a slowdown in any large end market could pressure results. Whether KN is a buy comes down to whether you believe the thesis. This is informational, not a recommendation, and Walnut is not an investment adviser.
Knowles Corporation designs and manufactures specialized electronic components that perform critical, hard-to-replicate functions in demanding devices. It operates in two segments: Precision Devices (PD), which makes high-performance capacitors and radio-frequency and microwave filters for defense, medtech, industrial, and electrification markets, and MedTech & Specialty Audio (MSA), which makes balanced armature speakers, hearing-aid microphones, and specialty audio parts. After selling its lower-margin consumer MEMS microphone business, Knowles now positions itself as a focused supplier of differentiated, high-reliability components rather than a volume consumer-electronics vendor. The investment picture centers on that transformation. Full-year 2025 revenue reached about $593 million with adjusted EBIT of roughly $120 million, and Q1 2026 revenue grew about 16 percent year over year to roughly $153 million with both segments expanding. The bull case is a steadier, higher-margin business tied to defense and medical demand that generates consistent free cash flow used for buybacks and acquisitions. The bear case is that KN remains a small-cap industrial supplier exposed to cyclical end markets, customer concentration, and the execution risk of integrating deals, so its premium multiple leaves little room for a stumble.
What's the case for buying KN?
1. Precision Devices growth
The Precision Devices segment, spanning high-performance capacitors and RF and microwave filters, grew roughly 17 percent year over year in Q1 2026 with strength across defense, medtech, industrial, and electrification. Management frames this as the core engine of the company, supported by long product cycles and demanding reliability requirements that limit competition.
2. Margin and mix improvement
Exiting commodity consumer MEMS microphones shifted the mix toward higher-margin specialty parts. MSA gross margins ran above 53 percent and Precision Devices near 39 percent in Q1 2026, helped by better factory utilization and favorable pricing. Continued mix improvement is central to the earnings story.
3. Defense and medtech demand
Knowles supplies components into defense systems and medical devices such as hearing aids, end markets that tend to be less cyclical than consumer electronics and carry longer design-in lives. Sustained government and healthcare spending underpins the demand backdrop management points to.
4. Cash generation and capital return
The company produced adjusted free cash flow of roughly $114 million in 2025 and has used cash for share repurchases and bolt-on acquisitions. Capital allocation toward buybacks and deals that extend the precision-devices franchise is a lever management has emphasized.
What are the risks to KN?
Knowles is a small-cap supplier exposed to cyclical industrial, electrification, and defense budget swings, and a slowdown in any large end market could pressure results. Customer and end-market concentration means a few large programs matter to the numbers. Acquisitions carry integration and valuation risk, and the shares trade at a premium that leaves limited margin for execution misses. Tariffs, supply-chain costs, and foreign-exchange movements can also weigh on margins given global manufacturing. Finally, competition from larger passive-component and audio suppliers could compress pricing over time.
How is KN valued? (as of July 2026)
Snapshot for KN 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): ~$610M
- FY2025 revenue: ~$593M
- Adjusted EBIT (FY2025): ~$120M
- Adjusted free cash flow (FY2025): ~$114M
- Market cap: ~$3.1B
- Share price: ~$35
Revenue grew about 7 percent in 2025 and accelerated to roughly 16 percent year over year in Q1 2026, with non-GAAP EPS up about 50 percent that quarter. The stock trades near the upper end of its 52-week range (about $17 to $43), so the market is pricing in continued margin and cash-flow improvement. These are approximate figures drawn from recent filings and financial data providers.
How do you decide if KN is a buy?
Rather than asking whether KN 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 KN indirectly through an index or sector ETF before adding more.
For the full picture, see the KN 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 KN against your real portfolio and see your actual exposure before deciding.
The bottom line on KN
The bottom line: Knowles Corporation's story right now is Precision Devices growth, with revenue (ttm) at ~$610M. If you believe that narrative continues, the call is about sizing KN sensibly and checking overlap with what you own; if you doubt it (the risk: knowles is a small-cap supplier exposed to cyclical industrial, electrification, and defense budget swings, and a slowdown in any large end market could pressure results.), it is not for you. Decide from the thesis, not the ticker. Walnut is not an investment adviser.
Build a basket around KN with Walnut
Use Knowles Corporation 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 KN a good stock to buy right now?
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The case for Knowles Corporation right now is Precision Devices growth, with revenue (ttm) at ~$610M. If you believe that thesis holds, KN is a way to own it and the real questions are sizing and overlap, not timing; the main risk to that view is knowles is a small-cap supplier exposed to cyclical industrial, electrification, and defense budget swings, and a slowdown in any large end market could pressure results. So it comes down to whether you believe the thesis. Walnut is not an investment adviser and this is not a recommendation.
What does Knowles Corporation do?
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Knowles Corporation designs and manufactures specialized electronic components that perform critical, hard-to-replicate functions in demanding devices.
What are the main risks of KN?
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Knowles is a small-cap supplier exposed to cyclical industrial, electrification, and defense budget swings, and a slowdown in any large end market could pressure results. Customer and end-market concentration means a few large programs matter to the numbers. Acquisitions carry integration and valuation risk, and the shares trade at a premium that leaves limited margin for execution misses. Tariffs, supply-chain costs, and foreign-exchange movements can also weigh on margins given global manufacturing. Finally, competition from larger passive-component and audio suppliers could compress pricing over time.
What does Knowles Corporation do?
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Knowles designs and makes specialized electronic components, including high-performance capacitors, RF and microwave filters, balanced armature speakers, and hearing-aid microphones, for defense, medtech, industrial, and electrification customers.
What are Knowles's business segments?
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It reports two segments: Precision Devices (capacitors and RF filtering) and MedTech and Specialty Audio (balanced armature speakers, hearing microphones, and specialty audio). Precision Devices is the larger and faster-growing part of the business.
How big is Knowles?
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Knowles generated about $593 million in revenue in 2025 and carries a market capitalization of roughly $3 billion as of July 2026, making it a small-cap industrial component supplier.
Is Knowles profitable?
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Yes. The company reported adjusted EBIT of roughly $120 million and adjusted free cash flow of about $114 million in 2025, and it posted rising non-GAAP EPS in Q1 2026.
Walnut is informational and is not an investment adviser. This page is educational and not a recommendation to buy or sell KN; figures are approximate and dated, and your own situation, time horizon, and risk tolerance should drive any decision. Verify current data before investing.