Aehr Test Systems (AEHR) vs IPG Photonics (IPGP)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 10, 2026.
Summary
Aehr Test Systems (AEHR) has outperformed IPG Photonics (IPGP) over the past year, gaining 236.5% versus a loss of 9.7%. Over five years, AEHR leads with a +300.2% price change compared with -52.6% for IPGP. IPG Photonics is the larger company by market cap ($3.33 billion vs $2.76 billion), about 1.2 times the size.
On valuation, IPG Photonics trades at a lower forward P/E (33.9x vs 61.2x for Aehr Test Systems). IPG Photonics converts more of its revenue into profit, with a net margin of 3.1% versus -14.3%.
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 | AEHR | IPGP |
|---|---|---|
| Share price | $84.64 | $78.27 |
| Market cap | $2.76B | $3.33B |
| 1-day change | -2.95% | +0.68% |
| YTD return | +319.22% | +9.32% |
| 1-year return | +236.54% | -9.69% |
| 5-year return | +300.19% | -52.59% |
| P/E ratio (TTM) | — | 120.42 |
| Forward P/E | 61.19 | 33.93 |
| EPS (TTM) | $-0.23 | $0.65 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $50.00M | $1.00B |
| Revenue growth (YoY) | -15.21% | +2.73% |
| Net income (latest FY) | $-7.13M | $31.10M |
| Gross margin | 35.30% | 38.00% |
| Operating margin | -28.30% | 1.31% |
| Net margin | -14.25% | 3.10% |
| 52-week high | $147.40 | $155.82 |
| 52-week low | $18.70 | $69.41 |
| Distance from 52-week high | -42.58% | -49.77% |
| Analyst consensus | none | none |
| Avg. price target upside | +51.23% | +58.60% |
| Average volume | 2.89M | 467.85K |
| Shares outstanding | 32.66M | 42.53M |
| Employees | 138 | 4,840 |
| Sector | Industrials | Technology |
| Industry | Electrical Products | 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
- AEHR has outperformed IPGP by 246.2 percentage points over the past year.
- IPG Photonics is more profitable, keeping 3.1 cents of every revenue dollar as net income versus -14.3 cents for Aehr Test Systems.
- IPG Photonics grew revenue faster in its latest fiscal year (+2.73% vs -15.21%).
- The two companies sit in different sectors: Aehr Test Systems in Industrials and IPG Photonics in Technology.
About Aehr Test Systems
AEHR stock →Aehr Test Systems, Inc. provides test solutions for testing, burn-in, and semiconductor devices at wafer level, singulated die, and package level in the United States, Asia, Europe, and the Middle East.
Industrials · Electrical Products · 138 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
AEHR vs IPGP FAQ
Which is bigger, Aehr Test Systems or IPG Photonics?
IPG Photonics (IPGP) is larger, with a market capitalization of $3.33B compared with $2.76B for Aehr Test Systems (AEHR).
Which stock has performed better over the past year, AEHR or IPGP?
AEHR returned +236.54% over the past 12 months, compared with -9.69% for IPGP (price return, excluding dividends). Past performance does not predict future results.
Are Aehr Test Systems and IPG Photonics in the same industry?
No. Aehr Test Systems is in the Industrials sector, while IPG Photonics is in Technology.