MASI vs. ATMU

Last updated Jul 14, 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). At a 0.20 correlation, their price movements are largely independent.

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*: —

ATMU

• 1D: 1.28%
• 1M: 1.75%
• 6M: -7.27%
• YTD: -2.20%
• 1Y: 34.67%
• 3Y*: 30.48%
• 5Y*: —
• 10Y*: —

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

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.	-2.20%	33.16%	67.28%	8.40%

Correlation

The correlation between MASI and ATMU is 0.21, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.21
Correlation (3Y) Calculated over the trailing 3-year period	0.21
Correlation (All Time) Calculated using the full available price history since May 26, 2023	0.20

Fundamentals

Market Cap MASI : $9.47B ATMU : $4.14B
EPS MASI : $1.41 ATMU : $2.56
PE Ratio MASI : 127.36 ATMU : 19.77
PS Ratio MASI : 6.24 ATMU : 3.10
PB Ratio MASI : 12.00 ATMU : 10.30
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 risk-adjusted metric ranks to identify better-performing investments 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: 68
ATMU Sharpe Ratio Rank: 72
ATMU Sortino Ratio Rank: 65
ATMU Omega Ratio Rank: 67
ATMU Calmar Ratio Rank: 66
ATMU Martin Ratio Rank: 70

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.

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	—	0.81	—
Sortino ratio: Return per unit of downside risk	—	1.25	—
Omega ratio: Gain probability vs. loss probability	—	1.18	—
Calmar ratio: Return relative to maximum drawdown	—	1.01	—
Martin ratio: Return relative to average drawdown	—	2.76	—

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	—	-22.64%	—
Average Drawdown Average peak-to-trough decline	—	-8.98%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	11.09%	—

Volatility

Volatility by Period

	MASI	ATMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	13.17%	—
Volatility (6M) Calculated over the trailing 6-month period	—	32.71%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	37.73%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	34.77%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	34.77%	—

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 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.