Ultra Clean Holdings, Inc. (UCTT) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: April 29, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 1.55% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
45M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

UCTT currently has 45.3M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 1.55% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Apr 29, 2026

10-Q filing | 45.3M shares outstanding

45M 0
Oct 29, 2025

10-Q filing | 45.4M shares outstanding

45M 0
Jul 29, 2025

10-Q filing | 45.2M shares outstanding

45M 0
Apr 29, 2025

10-Q filing | 45.1M shares outstanding

45M 0
Feb 25, 2025

10-K filing | 45.3M shares outstanding

45M 0
Oct 30, 2024

10-Q filing | 45.0M shares outstanding

45M 0
Jul 26, 2024

10-Q filing | 44.9M shares outstanding

45M 0
May 06, 2024

10-Q filing | 44.6M shares outstanding

45M 0
Mar 06, 2024

10-K filing | 44.7M shares outstanding

45M 0
Nov 07, 2023

10-Q filing | 44.8M shares outstanding

45M 0
Aug 11, 2023

10-Q filing | 44.8M shares outstanding

45M 0
May 05, 2023

10-Q filing | 44.8M shares outstanding

45M 0
Feb 28, 2023

10-K filing | 44.8M shares outstanding

45M 0
Nov 09, 2022

10-Q filing | 45.5M shares outstanding

45M 0
Aug 09, 2022

10-Q filing | 45.4M shares outstanding

45M 0
May 10, 2022

10-Q filing | 45.1M shares outstanding

45M 0
Mar 01, 2022

10-K filing | 44.9M shares outstanding

45M 0
Nov 03, 2021

10-Q filing | 44.8M shares outstanding

45M 0
Aug 04, 2021

10-Q filing | 44.3M shares outstanding

44M 0
May 05, 2021

10-Q filing | 41.6M shares outstanding

42M 0
May 03, 2021

8-K filing: Ultra Clean Holdings, Inc. closed its offering of 477,272 option shares at $55.00 per share, receiving net proceeds of approximately $25.2 million. ($26.25M proceeds)

41M 0
Apr 13, 2021

8-K filing: Ultra Clean Holdings, Inc. sold 3,181,818 shares of common stock at a price of $55.00 per share, resulting in net proceeds of approximately $168.0 million.

41M 0
Feb 23, 2021

10-K filing | 40.6M shares outstanding

41M 0
Nov 04, 2020

10-Q filing | 40.4M shares outstanding

40M 0
Aug 03, 2020

10-Q filing | 40.1M shares outstanding

40M 0
May 06, 2020

10-Q filing | 39.8M shares outstanding

40M 0
Mar 11, 2020

10-K filing | 39.9M shares outstanding

40M 0
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