ENTG vs. ACLS

Last updated Jun 3, 2026

ENTG (Entegris, Inc.) and ACLS (Axcelis Technologies, Inc.) are both stocks. Both operate in the Semiconductor Equipment & Materials industry within the Technology sector. Over the past 10 years, ENTG returned 26.35%/yr vs 30.50%/yr for ACLS. A 0.54 correlation means they provide meaningful diversification when combined.

Performance

ENTG vs. ACLS - Performance Comparison

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

Returns By Period

In the year-to-date period, ENTG achieves a 69.90% return, which is significantly lower than ACLS's 97.64% return. Over the past 10 years, ENTG has underperformed ACLS with an annualized return of 26.35%, while ACLS has yielded a comparatively higher 30.50% annualized return.

ENTG

• 1D: 5.30%
• 1M: 0.44%
• YTD: 69.90%
• 6M: 79.33%
• 1Y: 109.78%
• 3Y*: 10.07%
• 5Y*: 5.25%
• 10Y*: 26.35%

ACLS

• 1D: 5.56%
• 1M: 13.42%
• YTD: 97.64%
• 6M: 92.62%
• 1Y: 181.23%
• 3Y*: -0.74%
• 5Y*: 31.70%
• 10Y*: 30.50%

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

ENTG vs. ACLS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ENTG Entegris, Inc.	69.90%	-14.57%	-17.05%	83.54%	-52.49%	44.59%	92.86%	80.87%	-7.56%	70.48%
ACLS Axcelis Technologies, Inc.	97.64%	14.98%	-46.13%	63.42%	6.44%	156.04%	20.83%	35.39%	-37.98%	97.25%

Correlation

The correlation between ENTG and ACLS is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (10Y) Calculated over the trailing 10-year period	0.66
Correlation (All Time) Calculated using the full available price history since Jul 12, 2000	0.54

The correlation between ENTG and ACLS shifts across timeframes, from 0.54 (all time) to 0.69 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap ENTG : $21.90B ACLS : $4.92B
EPS ENTG : $1.74 ACLS : $3.21
PE Ratio ENTG : 82.34 ACLS : 49.45
PS Ratio ENTG : 6.74 ACLS : 5.90
PB Ratio ENTG : 5.26 ACLS : 4.71
Total Revenue (TTM) ENTG : $3.24B ACLS : $845.44M
Gross Profit (TTM) ENTG : $1.40B ACLS : $368.66M
EBITDA (TTM) ENTG : $789.60M ACLS : $129.11M

Return for Risk

ENTG vs. ACLS — Risk / Return Rank

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

ENTG

ENTG Risk / Return Rank: 84
ENTG Sharpe Ratio Rank: 87
ENTG Sortino Ratio Rank: 81
ENTG Omega Ratio Rank: 81
ENTG Calmar Ratio Rank: 85
ENTG Martin Ratio Rank: 86

ACLS

ACLS Risk / Return Rank: 93
ACLS Sharpe Ratio Rank: 95
ACLS Sortino Ratio Rank: 92
ACLS Omega Ratio Rank: 90
ACLS Calmar Ratio Rank: 95
ACLS Martin Ratio Rank: 93

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. ACLS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Entegris, Inc. (ENTG) and Axcelis Technologies, Inc. (ACLS). 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	ACLS	Difference
Sharpe ratio Return per unit of total volatility	1.96	3.20	-1.24
Sortino ratio Return per unit of downside risk	2.43	3.53	-1.10
Omega ratio Gain probability vs. loss probability	1.32	1.45	-0.13
Calmar ratio Return relative to maximum drawdown	3.47	6.94	-3.47
Martin ratio Return relative to average drawdown	9.71	16.16	-6.45
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. ACLS - Sharpe Ratio Comparison

The current ENTG Sharpe Ratio is 1.96, which is lower than the ACLS Sharpe Ratio of 3.20. The chart below compares the historical Sharpe Ratios of ENTG and ACLS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	ENTG	ACLS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.96	3.20	-1.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.10	0.58	-0.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	0.57	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.19	0.03	+0.17

Drawdowns

ENTG vs. ACLS - Drawdown Comparison

The maximum ENTG drawdown since its inception was -97.21%, roughly equal to the maximum ACLS drawdown of -99.34%. Use the drawdown chart below to compare losses from any high point for ENTG and ACLS.

Drawdown Indicators

	ENTG	ACLS	Difference
Max Drawdown Largest peak-to-trough decline	-97.21%	-99.34%	+2.13%
Max Drawdown (1Y) Largest decline over 1 year	-31.30%	-26.20%	-5.10%
Max Drawdown (3Y) Largest decline over 3 years	-56.93%	-78.84%	+21.91%
Max Drawdown (5Y) Largest decline over 5 years	-59.32%	-78.84%	+19.52%
Max Drawdown (10Y) Largest decline over 10 years	-59.32%	-78.84%	+19.52%
Current Drawdown Current decline from peak	-8.58%	-20.80%	+12.22%
Average Drawdown Average peak-to-trough decline	-36.52%	-72.38%	+35.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.20%	11.25%	-0.05%

Volatility

ENTG vs. ACLS - Volatility Comparison

The current volatility for Entegris, Inc. (ENTG) is 16.51%, while Axcelis Technologies, Inc. (ACLS) has a volatility of 25.95%. This indicates that ENTG experiences smaller price fluctuations and is considered to be less risky than ACLS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ENTG	ACLS	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.51%	25.95%	-9.44%
Volatility (6M) Calculated over the trailing 6-month period	40.41%	45.86%	-5.45%
Volatility (1Y) Calculated over the trailing 1-year period	56.35%	57.01%	-0.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	51.27%	54.64%	-3.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	45.36%	53.36%	-8.00%

Dividends

ENTG vs. ACLS - Dividend Comparison

ENTG's dividend yield for the trailing twelve months is around 0.28%, while ACLS has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
ACLS Axcelis Technologies, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
ENTG Entegris, Inc.	0.28%	0.47%	0.40%	0.33%	0.61%	0.23%	0.33%	0.60%	1.00%	0.23%

Financials

ENTG vs. ACLS - Profitability Comparison

The chart below illustrates the profitability comparison between Entegris, Inc. and Axcelis Technologies, Inc. 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 Jun 2026, Entegris, Inc. reported a gross profit of 380.80M and revenue of 811.90M. Therefore, the gross margin over that period was 46.9%.

ACLS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Axcelis Technologies, Inc. reported a gross profit of 80.58M and revenue of 198.96M. Therefore, the gross margin over that period was 40.5%.

ENTG - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Entegris, Inc. reported an operating income of 141.60M and revenue of 811.90M, resulting in an operating margin of 17.4%.

ACLS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Axcelis Technologies, Inc. reported an operating income of 7.95M and revenue of 198.96M, resulting in an operating margin of 4.0%.

ENTG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Entegris, Inc. reported a net income of 92.00M and revenue of 811.90M, resulting in a net margin of 11.3%.

ACLS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Axcelis Technologies, Inc. reported a net income of 9.21M and revenue of 198.96M, resulting in a net margin of 4.6%.

Frequently Asked Questions

Can I hold both ENTG and ACLS in my portfolio?

ENTG and ACLS have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ENTG or ACLS?

ACLS has higher volatility (25.95%) compared to ENTG (16.51%). In terms of maximum drawdown, ENTG dropped -97.21% vs ACLS's -99.34%.

Which has better risk-adjusted returns?

ACLS currently has the higher Sharpe Ratio (3.20 vs 1.96), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.