Diodes Incorporated
- Open
- 105.83
- Day high
- 108.47
- Day low
- 105.14
- Prev close
- 109.44
- Volume
- 125K
- Mkt cap
- $4.9B
- P/E (TTM)
- 57.6
- EPS (TTM)
- $1.85
- P/B
- 2.6
- P/S
- 3.1
- Yield
- —
- Per share
- —
- ▼Insiders net selling -$7.6M over the last 3 months (0 open-market buys, 16 sales)
- 🏛Institutions mixed (13F)
Diodes Incorporated (DIOD) is a Technology company listed on NASDAQ. The stock is up 98% over the past year. Over the trailing 3 months, insiders filed 0 open-market buys and 16 sales (SEC Form 4).
Diodes Incorporated (DIOD) financials & analyst ratings
Fundamentals (TTM)
Analyst consensus · 2 analysts
Source: exchange market data + company filings. Figures are trailing-twelve-month or as most recently reported. For informational purposes only — not investment advice.
DIOD earnings date, history & EPS estimates
| Report date | EPS est | EPS actual | Surprise | Revenue | Rev. surprise |
|---|---|---|---|---|---|
| May 7, 2026 | $0.35 | $0.43 | +24.0% | $405M | +2.3% |
| Nov 6, 2025 | $0.38 | $0.37 | -2.6% | $392M | +3.2% |
| Aug 7, 2025 | $0.24 | $0.32 | +33.3% | $366M | -4.8% |
| May 8, 2025 | $0.18 | $0.19 | +5.6% | $332M | +2.7% |
| Nov 7, 2024 | $0.39 | $0.43 | +10.3% | $350M | +1.1% |
| Aug 8, 2024 | $0.27 | $0.33 | +22.2% | $320M | +1.2% |
| May 9, 2024 | $0.31 | $0.28 | -9.7% | $302M | -1.2% |
| Aug 4, 2022 | $1.74 | $1.90 | +9.2% | $501M | -0.1% |
| May 4, 2022 | $1.54 | $1.75 | +13.6% | $482M | +0.1% |
| Feb 9, 2022 | $1.45 | $1.60 | +10.3% | $480M | +0.7% |
| Nov 3, 2021 | $1.39 | $1.47 | +5.8% | $471M | +0.9% |
| Aug 5, 2021 | $1.12 | $1.20 | +7.1% | $440M | +0.0% |
DIOD insider trading activity (SEC Form 4)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 1, 2026 | White Richard Dallasofficer: Corporate Secretary | Sell | 1,000 | $104.48 |
| Jun 1, 2026 | White Richard Dallasofficer: Corporate Secretary | Sell | 2,000 | $107.01 |
| Jun 1, 2026 | Tang Francisofficer: Chief Technology Officer | Sell | 15,330 | $112.04 |
| May 28, 2026 | LU KEH SHEWother: Special Advisor | Tax | 1,970 | $108.24 |
| May 27, 2026 | Tsong Andyofficer: SVP Worldwide Products Group | Sell | 1,582 | $106.95 |
| May 27, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 3,000 | $110.08 |
| May 27, 2026 | Tang Francisofficer: Chief Technology Officer | Sell | 4,137 | $108.00 |
| May 27, 2026 | Zhao Jinofficer: President, Diodes Asia | Sell | 3,689 | $106.86 |
| May 27, 2026 | Yu Garydirector, officer: President and CEO | Tax | 592 | $108.24 |
| May 27, 2026 | Tang Francisofficer: Chief Technology Officer | Sell | 5,000 | $110.08 |
| May 27, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 2,000 | $107.52 |
| May 27, 2026 | Yu Garydirector, officer: President and CEO | Sell | 3,632 | $110.08 |
| May 21, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 2,000 | $96.81 |
| May 19, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 2,000 | $101.47 |
| May 13, 2026 | Chen Warrendirector | Grant | 3,000 | — |
Source: DIOD SEC Form 4 filings, latest Jun 1, 2026. For informational purposes only — not investment advice.
See the full DIOD insider & 13F page →Diodes Incorporated company profile
Overview
Diodes Incorporated (NASDAQ:DIOD) is a global semiconductor company founded in 1959 and headquartered in Plano, Texas. The company went public in 1966 and has evolved from a discrete semiconductor manufacturer into a diversified provider of analog, mixed-signal, and standard logic products. Over its six-decade history, Diodes has built a reputation for designing and manufacturing application-specific standard products that serve critical functions in electronic systems across multiple industries. The company operates through a hybrid manufacturing model, combining internal fabrication facilities with outsourced production to maintain flexibility and cost efficiency.
Business
Diodes Incorporated operates in the semiconductor industry, specifically focusing on discrete, analog, and mixed-signal semiconductor devices. The semiconductor industry forms the foundation of modern electronics, with semiconductors serving as the basic building blocks that control electrical current flow in electronic devices. The company's product portfolio spans several key categories. Discrete semiconductor products include individual components like MOSFETs (metal-oxide-semiconductor field-effect transistors used for switching and amplifying electrical signals), TVS (transient voltage suppressors that protect circuits from voltage spikes), Schottky rectifiers (devices that convert alternating current to direct current efficiently), Zener diodes (voltage regulation components), and various types of transistors and switching devices. Analog products represent another major segment, encompassing power management devices such as AC-DC and DC-DC converters that transform electrical power between different voltage levels, USB power switches, voltage regulators that maintain stable power supply, operational amplifiers that boost signal strength, current monitors, voltage references, LED lighting drivers, audio amplifiers, and sensor products including hall-effect sensors and motor drivers. The company also produces mixed-signal products that combine analog and digital functions, including high-speed multiplexers/demultiplexers for data routing, digital switches, interface circuits, clock ICs that provide timing signals, packet switches for data communication, and standard logic products using CMOS (complementary metal-oxide-semiconductor) technology. Based on recent financial data, the company's revenue is distributed across five primary end markets: Computing (approximately 25-27%), Industrial (23%), Automotive (18-19%), Consumer (17-19%), and Communications (14-15%). The automotive and industrial segments combined represent roughly 42% of product revenue, reflecting the company's strategic focus on these higher-margin markets.
Competitive moat
Diodes Incorporated operates in a moderately competitive semiconductor market with limited sustainable competitive advantages. The company's primary moat elements include its broad product portfolio, established customer relationships, and manufacturing flexibility, though these advantages are not particularly deep or defensible. The company's product breadth across discrete, analog, and mixed-signal semiconductors provides some protection through customer convenience and one-stop shopping benefits. With over 755 new part numbers introduced in 2024 alone, Diodes maintains relevance across multiple applications. However, this breadth also means the company competes against specialized players in each segment who may have superior technology or cost positions. Customer relationships and design wins offer temporary competitive protection, particularly in automotive and industrial markets where qualification cycles are lengthy and switching costs exist. Once designed into a customer's product, semiconductor components typically remain specified for the product's lifecycle. However, these relationships require continuous investment and can be disrupted by technological changes or significant cost advantages from competitors. The company's hybrid manufacturing model provides operational flexibility to manage costs and supply chain risks, but this advantage is not unique in the industry. While internal manufacturing capabilities offer some margin control, the company still relies heavily on outsourced production, limiting its differentiation. Scale limitations represent a significant competitive weakness. With $1.3 billion in annual revenue, Diodes is substantially smaller than major semiconductor players like Texas Instruments, Analog Devices, or Infineon, limiting its R&D spending power and manufacturing scale advantages. The company faces constant pressure from both larger integrated device manufacturers and smaller specialized competitors. The semiconductor industry's commoditization trends pose ongoing threats, particularly in discrete and standard logic products where differentiation is limited. Chinese competitors continue expanding capabilities and market share, often with government support and lower cost structures. Overall, Diodes operates with a narrow and vulnerable moat that requires continuous investment and execution to maintain. The company's survival depends on operational excellence, customer service, and strategic positioning in less commoditized market segments rather than sustainable competitive advantages.
Risks & safety
Diodes Incorporated demonstrates strong financial stability with solid liquidity and minimal solvency risk, though facing cyclical earnings pressures. **Liquidity and Debt Position:** - Cash and short-term investments: $336 million (Q1 2025) - Current ratio: 3.43x indicating strong short-term liquidity - Debt-to-equity ratio: 0.029 reflecting minimal leverage - Quick ratio: 2.11x showing ability to meet obligations without inventory liquidation - Positive operating cash flow: $57 million (Q1 2025), $119 million (FY 2024) **Valuation Metrics:** - EV/EBITDA: 12.8x (Q1 2025) - reasonable for cyclical semiconductor - Price-to-book: 1.11x - trading near book value - Graham net-net: 6.94x - substantial asset backing - Free cash flow yield: Positive despite cyclical downturn **Other Considerations:** - $100 million share repurchase program announced, indicating management confidence - Cyclical trough positioning with revenue recovery expected - Strong balance sheet provides flexibility during market downturns - Minimal capital intensity compared to leading-edge semiconductor manufacturers
Recent development
Over the past few years, Diodes Incorporated has undertaken several strategic initiatives to navigate market cyclicality and position for long-term growth. The company has strategically shifted its focus toward higher-margin automotive and industrial markets, successfully growing these segments from traditional consumer-focused revenue to 42% of total product revenue by 2024. In the automotive sector, Diodes has significantly expanded its addressable content per vehicle from $160 to $213, introducing 330 new automotive-specific part numbers in 2024 alone. The company has focused on design wins in connected driving, safety systems, electrification, power management, and sensor applications, capitalizing on the automotive industry's ongoing electrification and digitalization trends. The company has also positioned itself in the emerging AI and data center market, expanding its addressable content in AI servers from $53 to $90 per box. Key products include PCI Express packet switches, clock generators, and various discrete components for power supply units and thermal management systems. This positioning reflects the company's ability to adapt its product portfolio to capture growth in next-generation computing applications. Manufacturing strategy evolution has been another key development, with Diodes pursuing a hybrid model that balances internal production with outsourced manufacturing. The company has been gradually qualifying more products for internal production to improve margins and supply chain control while maintaining flexibility through external partnerships. This approach has proven valuable in managing potential tariff impacts and supply chain disruptions. Recent operational improvements include the implementation of a $100 million stock repurchase program announced in Q1 2025, reflecting management's confidence in the company's prospects and commitment to returning capital to shareholders. The company has also focused on new product development, introducing 755 new part numbers in 2024 across its product portfolio, demonstrating continued innovation and market responsiveness. The company has successfully navigated the semiconductor industry's cyclical downturn, maintaining operational discipline while positioning for recovery. Management expects 2025 to be stronger than 2024, with particular strength anticipated in the second half of the year as market conditions continue to improve.
DIOD company profile · for informational purposes only — not investment advice.
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