Diodes (DIOD) vs IPG Photonics (IPGP)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Diodes (DIOD) has outperformed IPG Photonics (IPGP) over the past year, gaining 97.2% versus a loss of 5.0%. Over five years, DIOD leads with a +15.0% price change compared with -51.0% for IPGP. Diodes is the larger company by market cap ($4.64 billion vs $3.44 billion), about 1.3 times the size.
On valuation, Diodes trades at a lower forward P/E (17.3x vs 35.1x for IPG Photonics).
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | DIOD | IPGP |
|---|---|---|
| Share price | $100.65 | $80.89 |
| Market cap | $4.64B | $3.44B |
| 1-day change | -6.58% | -3.35% |
| YTD return | +103.99% | +12.97% |
| 1-year return | +97.24% | -4.97% |
| 5-year return | +14.98% | -51.00% |
| P/E ratio (TTM) | 53.82 | 124.45 |
| Forward P/E | 17.26 | 35.06 |
| EPS (TTM) | $1.87 | $0.65 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $1.48B | — |
| Revenue growth (YoY) | +13.04% | — |
| Net income (latest FY) | $66.14M | — |
| Gross margin | 31.20% | — |
| Operating margin | 2.39% | — |
| Net margin | 4.46% | — |
| 52-week high | $125.99 | $155.82 |
| 52-week low | $42.28 | $69.41 |
| Distance from 52-week high | -20.11% | -48.09% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +52.34% | +53.47% |
| Average volume | 568.69K | 471.39K |
| Shares outstanding | 46.05M | 42.53M |
| Employees | 7,989 | 4,840 |
| Sector | Technology | Technology |
| Industry | Semiconductors | Semiconductors |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- DIOD has outperformed IPGP by 102.2 percentage points over the past year.
- IPG Photonics trades at a higher earnings multiple (124.4x vs 53.8x trailing P/E).
About Diodes
DIOD stock →Diodes Incorporated, together with its subsidiaries, provides semiconductor products in Asia, the Americas, and Europe. The company offers MOSFET and SiC MOSFET discrete semiconductor products; data line protection, power line protection, thyrister, USB Type-C protection, and transient voltage suppressor protection devices; Schottky diodes, small signal switching diodes, Zener diodes, and SiC diodes; and bridges, super barrier rectifiers, Schottky rectifiers, Schottky bridge rectifiers, and fast and ultra-fast rectifiers.
Technology · Semiconductors · 7,989 employees
About IPG Photonics
IPGP stock →IPG Photonics Corporation develops, manufactures, and sells fiber lasers, fiber amplifiers, diode lasers, and laser-based systems used in materials processing, medical, and advanced applications. The company offers laser products, including hybrid fiber-solid state lasers with green and ultraviolet wavelengths; fiber pigtailed packaged diodes and fiber coupled direct diode laser systems; and high-energy pulsed lasers, multi-wavelength and tunable lasers, and single-polarization and single-frequency lasers, as well as other versions.
Technology · Semiconductors · 4,840 employees
DIOD vs IPGP FAQ
Which is bigger, Diodes or IPG Photonics?
Diodes (DIOD) is larger, with a market capitalization of $4.64B compared with $3.44B for IPG Photonics (IPGP).
Which stock has performed better over the past year, DIOD or IPGP?
DIOD returned +97.24% over the past 12 months, compared with -4.97% for IPGP (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, DIOD or IPGP?
DIOD has the lower trailing P/E at 53.8, versus 124.4 for IPGP. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are Diodes and IPG Photonics in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.