ENTG vs. AEHR

Last updated Apr 2, 2026

Compare and contrast key facts about Entegris, Inc. (ENTG) and Aehr Test Systems (AEHR).

Performance

ENTG vs. AEHR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Entegris, Inc. (ENTG) and Aehr Test Systems (AEHR). The values are adjusted to include any dividend payments, if applicable.

ENTG vs. AEHR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ENTG Entegris, Inc.	41.02%	-14.57%	-17.05%	83.54%	-52.49%	44.59%	92.86%	80.87%	-7.56%	70.48%
AEHR Aehr Test Systems	96.14%	21.41%	-37.32%	31.99%	-16.87%	855.73%	26.50%	41.84%	-47.97%	12.45%

Fundamentals

Market Cap ENTG : $18.10B AEHR : $1.19B
EPS ENTG : $1.55 AEHR : -$0.30
PS Ratio ENTG : 5.65 AEHR : 22.30
PB Ratio ENTG : 4.45 AEHR : 9.10
Total Revenue (TTM) ENTG : $3.20B AEHR : $53.25M
Gross Profit (TTM) ENTG : $1.42B AEHR : $17.72M
EBITDA (TTM) ENTG : $743.20M AEHR : -$9.21M

Returns By Period

In the year-to-date period, ENTG achieves a 41.02% return, which is significantly lower than AEHR's 96.14% return. Over the past 10 years, ENTG has underperformed AEHR with an annualized return of 24.86%, while AEHR has yielded a comparatively higher 42.34% annualized return.

ENTG

• 1D: 1.25%
• 1M: -12.39%
• YTD: 41.02%
• 6M: 26.58%
• 1Y: 38.30%
• 3Y*: 13.57%
• 5Y*: 0.15%
• 10Y*: 24.86%

AEHR

• 1D: 6.80%
• 1M: -10.06%
• YTD: 96.14%
• 6M: 19.10%
• 1Y: 404.46%
• 3Y*: 8.48%
• 5Y*: 72.80%
• 10Y*: 42.34%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

ENTG vs. AEHR — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ENTG

ENTG Risk / Return Rank: 63
ENTG Sharpe Ratio Rank: 61
ENTG Sortino Ratio Rank: 61
ENTG Omega Ratio Rank: 60
ENTG Calmar Ratio Rank: 65
ENTG Martin Ratio Rank: 66

AEHR

AEHR Risk / Return Rank: 96
AEHR Sharpe Ratio Rank: 98
AEHR Sortino Ratio Rank: 95
AEHR Omega Ratio Rank: 91
AEHR Calmar Ratio Rank: 98
AEHR Martin Ratio Rank: 98

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ENTG vs. AEHR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Entegris, Inc. (ENTG) and Aehr Test Systems (AEHR). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	ENTG	AEHR	Difference
Sharpe ratio Return per unit of total volatility	0.59	3.65	-3.06
Sortino ratio Return per unit of downside risk	1.23	3.62	-2.38
Omega ratio Gain probability vs. loss probability	1.16	1.42	-0.26
Calmar ratio Return relative to maximum drawdown	1.16	10.47	-9.32
Martin ratio Return relative to average drawdown	2.93	24.07	-21.14
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ENTG vs. AEHR - Sharpe Ratio Comparison

The current ENTG Sharpe Ratio is 0.59, which is lower than the AEHR Sharpe Ratio of 3.65. The chart below compares the historical Sharpe Ratios of ENTG and AEHR, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ENTG	AEHR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.59	3.65	-3.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.00	0.68	-0.68
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.56	0.45	+0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.18	0.04	+0.14

Correlation

The correlation between ENTG and AEHR is 0.24, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

ENTG vs. AEHR - Dividend Comparison

ENTG's dividend yield for the trailing twelve months is around 0.34%, while AEHR has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
ENTG Entegris, Inc.	0.34%	0.47%	0.40%	0.33%	0.61%	0.23%	0.33%	0.60%	1.00%	0.23%
AEHR Aehr Test Systems	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

ENTG vs. AEHR - Drawdown Comparison

The maximum ENTG drawdown since its inception was -97.21%, roughly equal to the maximum AEHR drawdown of -97.98%. Use the drawdown chart below to compare losses from any high point for ENTG and AEHR.

Drawdown Indicators

	ENTG	AEHR	Difference
Max Drawdown Largest peak-to-trough decline	-97.21%	-97.98%	+0.77%
Max Drawdown (1Y) Largest decline over 1 year	-31.30%	-42.31%	+11.01%
Max Drawdown (5Y) Largest decline over 5 years	-59.32%	-87.37%	+28.05%
Max Drawdown (10Y) Largest decline over 10 years	-59.32%	-87.37%	+28.05%
Current Drawdown Current decline from peak	-21.96%	-26.24%	+4.28%
Average Drawdown Average peak-to-trough decline	-36.69%	-80.10%	+43.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.38%	18.41%	-6.03%

Volatility

ENTG vs. AEHR - Volatility Comparison

The current volatility for Entegris, Inc. (ENTG) is 19.18%, while Aehr Test Systems (AEHR) has a volatility of 39.65%. This indicates that ENTG experiences smaller price fluctuations and is considered to be less risky than AEHR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ENTG	AEHR	Difference
Volatility (1M) Calculated over the trailing 1-month period	19.18%	39.65%	-20.47%
Volatility (6M) Calculated over the trailing 6-month period	42.76%	80.23%	-37.47%
Volatility (1Y) Calculated over the trailing 1-year period	65.03%	111.97%	-46.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.62%	107.60%	-56.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	44.83%	94.69%	-49.86%

Financials

ENTG vs. AEHR - Profitability Comparison

The chart below illustrates the profitability comparison between Entegris, Inc. and Aehr Test Systems over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ENTG - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Entegris, Inc. reported a gross profit of 360.60M and revenue of 823.90M. Therefore, the gross margin over that period was 43.8%.

AEHR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Aehr Test Systems reported a gross profit of 2.55M and revenue of 9.88M. Therefore, the gross margin over that period was 25.8%.

ENTG - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Entegris, Inc. reported an operating income of 104.90M and revenue of 823.90M, resulting in an operating margin of 12.7%.

AEHR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Aehr Test Systems reported an operating income of -4.87M and revenue of 9.88M, resulting in an operating margin of -49.2%.

ENTG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Entegris, Inc. reported a net income of 49.40M and revenue of 823.90M, resulting in a net margin of 6.0%.

AEHR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Aehr Test Systems reported a net income of -3.23M and revenue of 9.88M, resulting in a net margin of -32.7%.