SCHEDULE 13G/A: BlackRock Discloses 15.0% Stake in Ultra Clean Holdings, Inc. Common Stock

BlackRock, Inc. has filed an amended Schedule 13G, reporting a beneficial ownership of 15.0% of Ultra Clean Holdings, Inc.'s common stock as of March 31, 2025.

Summary

• BlackRock, Inc. reported beneficial ownership of 6,748,231 shares of common stock in Ultra Clean Holdings, Inc.
• This represents 15.0% of the total outstanding common stock of Ultra Clean Holdings, Inc.
• BlackRock holds sole voting power over 6,693,601 shares and sole dispositive power over 6,748,231 shares.
• The filing is an Amendment No. 4 to a Schedule 13G, indicating an update to a previously reported position.
• The shares were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of the issuer.
• One of BlackRock's subsidiaries, BlackRock Fund Advisors, beneficially owns 5% or greater of the outstanding shares.
• Additionally, iShares Core S&P Small-Cap ETF is noted to have an interest of more than 5% in the common stock.

Sentiment

Score: 5

Explanation: The document is a factual disclosure of beneficial ownership and does not contain qualitative information that would significantly sway sentiment positively or negatively. It is a routine regulatory filing.

Positives

• BlackRock, a major institutional investor, maintaining a significant 15.0% stake in Ultra Clean Holdings, Inc. may signal confidence in the company's long-term prospects.
• The filing confirms that BlackRock's holding is for investment purposes in the ordinary course of business, not for control, which can be viewed positively by management and other investors.

Risks

• The document states that the securities were not acquired or held for the purpose of or with the effect of changing or influencing the control of the issuer, which mitigates a potential risk of activist investor intervention.

Future Outlook

The document does not provide any forward-looking statements or guidance regarding Ultra Clean Holdings, Inc.'s future performance or BlackRock's investment strategy beyond the current reported ownership.

Industry Context

This Schedule 13G filing indicates a significant passive investment by a major asset manager, BlackRock, in Ultra Clean Holdings, Inc., a company likely operating within the semiconductor or related technology sectors given its name. Such filings are standard disclosures for institutional investors holding more than 5% of a company's shares, providing transparency on large ownership stakes within the market.

Stakeholder Impact

• Shareholders: Provides transparency on a significant institutional holding, potentially reinforcing confidence due to BlackRock's continued investment.
• Management: Confirms that BlackRock's stake is passive and not intended for control, which can reduce concerns about activist pressure.

Key Dates

Keywords

Ultra Clean Holdings, BlackRock, Schedule 13G, Beneficial Ownership, Common Stock, Institutional Investor, UCTT, SEC Filing, Investment Management