MASIMO CORP (MASI) - Dilution Analysis

Visualizing historical and potential share dilution over time

View Stock Details

American Express® Business Gold Card

Earn Up to 200K Membership Rewards® Points

4X on your top 2 spending categories. Transfer to 20+ airline & hotel partners. Terms apply.

Learn More

Dilution Analysis

Low Risk

Limited dilution potential

Last updated: May 05, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 1.88% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

52M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

MASI currently has 52.2M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 1.88% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
May 05, 2026	10-Q filing \| 52.2M shares outstanding	52M
Nov 04, 2025	10-Q filing \| 54.0M shares outstanding	54M
May 06, 2025	10-Q filing \| 54.0M shares outstanding	54M
Feb 25, 2025	10-K filing \| 53.3M shares outstanding	53M
Nov 06, 2024	10-Q filing \| 53.4M shares outstanding	53M
Aug 07, 2024	10-Q filing \| 53.1M shares outstanding	53M
May 07, 2024	10-Q filing \| 53.0M shares outstanding	53M
Feb 28, 2024	10-K filing \| 52.8M shares outstanding	53M
Nov 08, 2023	10-Q filing \| 52.8M shares outstanding	53M
Aug 08, 2023	10-Q filing \| 52.8M shares outstanding	53M
May 10, 2023	10-Q filing \| 52.6M shares outstanding	53M
Mar 01, 2023	10-K filing \| 53.6M shares outstanding	54M
Nov 09, 2022	10-Q filing \| 52.5M shares outstanding	53M
Aug 10, 2022	10-Q filing \| 53.9M shares outstanding	54M
May 03, 2022	10-Q filing \| 55.4M shares outstanding	55M
Feb 16, 2022	10-K filing \| 55.2M shares outstanding	55M
Oct 26, 2021	10-Q filing \| 55.1M shares outstanding	55M
Jul 27, 2021	10-Q filing \| 55.0M shares outstanding	55M
Apr 27, 2021	10-Q filing \| 55.2M shares outstanding	55M
Feb 23, 2021	10-K filing \| 54.7M shares outstanding	55M
Oct 27, 2020	10-Q filing \| 55.0M shares outstanding	55M
Jul 28, 2020	10-Q filing \| 54.8M shares outstanding	55M
Apr 28, 2020	10-Q filing \| 53.9M shares outstanding	54M
Feb 19, 2020	10-K filing \| 53.4M shares outstanding	53M

Back to MASI Details