MKS INC (MKSI) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: May 07, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 0.59% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

67M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

MKSI currently has 67.4M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 0.59% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
May 07, 2026	10-Q filing \| 67.4M shares outstanding	67M
Aug 07, 2025	10-Q filing \| 67.2M shares outstanding	67M
May 08, 2025	10-Q filing \| 67.4M shares outstanding	67M
Feb 25, 2025	10-K filing \| 67.3M shares outstanding	67M
Nov 07, 2024	10-Q filing \| 67.4M shares outstanding	67M
Aug 08, 2024	10-Q filing \| 67.3M shares outstanding	67M
May 09, 2024	10-Q filing \| 67.0M shares outstanding	67M
Feb 27, 2024	10-K filing \| 66.8M shares outstanding	67M
Feb 21, 2024	POS AM filing: MKS Instruments, Inc. is filing this post-effective amendment to deregister 6,482,732 shares of common stock that were previously registered for resale but not sold in the underwritten offering.	67M
Nov 08, 2023	10-Q filing \| 66.9M shares outstanding	67M
Aug 04, 2023	10-Q filing \| 66.8M shares outstanding	67M
May 05, 2023	10-Q filing \| 66.7M shares outstanding	67M
Mar 14, 2023	10-K filing \| 66.7M shares outstanding	67M
Nov 07, 2022	10-Q filing \| 61.1M shares outstanding	61M
Aug 03, 2022	10-Q filing \| 55.7M shares outstanding	56M
May 02, 2022	10-Q filing \| 55.6M shares outstanding	56M
Feb 28, 2022	10-K filing \| 55.4M shares outstanding	55M
Nov 03, 2021	10-Q filing \| 55.5M shares outstanding	56M
Aug 05, 2021	10-Q filing \| 55.4M shares outstanding	55M
May 04, 2021	10-Q filing \| 55.3M shares outstanding	55M
Feb 23, 2021	10-K filing \| 55.3M shares outstanding	55M
Nov 03, 2020	10-Q filing \| 55.2M shares outstanding	55M
Aug 03, 2020	10-Q filing \| 55.1M shares outstanding	55M
May 06, 2020	10-Q filing \| 54.9M shares outstanding	55M
Feb 28, 2020	10-K filing \| 54.7M shares outstanding	55M

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