MASI vs. ATMU

Last updated Aug 1, 2026

MASI (Masimo Corporation) and ATMU (Atmus Filtration Technologies Inc.) are both stocks. MASI operates in Medical Instruments & Supplies (Healthcare), while ATMU operates in Pollution & Treatment Controls (Industrials). Their 0.20 correlation means their historical movements had little consistent relationship.

Performance

MASI vs. ATMU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Masimo Corporation (MASI) and Atmus Filtration Technologies Inc. (ATMU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MASI

• 1D: —
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

ATMU

• 1D: 0.00%
• 1M: 3.86%
• 6M: -10.76%
• YTD: -0.34%
• 1Y: 38.32%
• 3Y*: 29.00%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 31.79%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
ATMU Atmus Filtration Technologies Inc.	$27.62M	$29.00M	$44.00M

MASI vs. ATMU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MASI Masimo Corporation	38.36%	-21.32%	41.03%	-25.80%
ATMU Atmus Filtration Technologies Inc.	-0.34%	33.16%	67.28%	8.40%

Correlation

The correlation between MASI and ATMU is 0.19, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.19
Correlation (3Y) Balances recent behavior with more history.	0.22
Correlation (All Time) Calculated using the full available price history since May 26, 2023	0.20

Fundamentals

Market Cap MASI : $9.47B ATMU : $4.22B
EPS MASI : $1.41 ATMU : $2.56
PE Ratio MASI : 127.36 ATMU : 20.14
PS Ratio MASI : 6.24 ATMU : 3.16
PB Ratio MASI : 12.00 ATMU : 10.49
Total Revenue (TTM) MASI : $1.56B ATMU : $1.35B
Gross Profit (TTM) MASI : $962.00M ATMU : $529.00M
EBITDA (TTM) MASI : $336.40M ATMU : $334.60M

Return for Risk

MASI vs. ATMU — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

MASI

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

ATMU

ATMU Risk / Return Rank: 69
ATMU Sharpe Ratio Rank: 72
ATMU Sortino Ratio Rank: 66
ATMU Omega Ratio Rank: 68
ATMU Calmar Ratio Rank: 68
ATMU Martin Ratio Rank: 69

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

MASI vs. ATMU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Masimo Corporation (MASI) and Atmus Filtration Technologies Inc. (ATMU). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MASI	ATMU	Difference
Sharpe ratio: Return per unit of total volatility	—	0.87	—
Sortino ratio: Return per unit of downside risk	—	1.29	—
Omega ratio: Gain probability vs. loss probability	—	1.18	—
Calmar ratio: Return relative to maximum drawdown	—	1.11	—
Martin ratio: Return relative to average drawdown	—	2.75	—

Drawdowns

Drawdown Indicators

	MASI	ATMU	Difference
Max Drawdown Largest peak-to-trough decline	—	-30.22%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-30.22%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-30.22%	—
Current Drawdown Current decline from peak	—	-21.17%	—
Average Drawdown Average peak-to-trough decline	—	-9.19%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	12.15%	—

Volatility

Volatility by Period

	MASI	ATMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	11.58%	—
Volatility (6M) Calculated over the trailing 6-month period	—	33.44%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	38.56%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	34.85%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	34.85%	—

Dividends

MASI vs. ATMU - Dividend Comparison

MASI has not paid dividends to shareholders, while ATMU's dividend yield for the trailing twelve months is around 0.43%.

Position	TTM	2025	2024
ATMU Atmus Filtration Technologies Inc.	0.43%	0.40%	0.26%
MASI Masimo Corporation	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both MASI and ATMU in my portfolio?

MASI and ATMU have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.