Invesco Ltd. (UCTT) discloses 3.1M-share, 7% holding in Ultra Clean

Rhea-AI Filing Summary

Invesco Ltd., a Bermuda-based asset manager, reports beneficial ownership of common stock of Ultra Clean Holdings Inc. Invesco, as a parent holding company to its investment adviser subsidiaries, may be deemed to beneficially own 3,145,489 shares of Ultra Clean common stock, representing 7.0% of the class.

Invesco has sole voting power over 3,088,399 shares and sole dispositive power over 3,145,489 shares, with no shared voting or dispositive power. The shares are held of record by clients of Invesco’s advisers, and no single client has greater than 5% economic ownership. Subsidiaries involved include Invesco Advisers, Inc., Invesco Investment Advisers LLC, and Invesco Capital Management LLC.

Key Figures

Beneficial ownership: 3,145,489 shares Percent of class: 7.0% Sole voting power: 3,088,399 shares +2 more

5 metrics

Beneficial ownership 3,145,489 shares Shares of Ultra Clean common stock Invesco Ltd. may be deemed to beneficially own

Percent of class 7.0% Portion of Ultra Clean common stock represented by Invesco’s beneficial ownership

Sole voting power 3,088,399 shares Shares over which Invesco has sole power to vote or direct the vote

Sole dispositive power 3,145,489 shares Shares over which Invesco has sole power to dispose or direct the disposition

Maximum client economic ownership 5% No one client has greater than 5% economic ownership of the reported securities

Key Terms

beneficially own, sole voting power, sole dispositive power, percent of class, +1 more

5 terms

beneficially own financial

"may be deemed to beneficially own 3,145,489 shares of the Issuer"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

sole voting power financial

"Sole power to vote or to direct the vote: 3,088,399"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Sole power to dispose or to direct the disposition of: 3,145,489"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

percent of class financial

"Percent of class: 7.0 %"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

parent holding company financial

"Invesco Ltd., in its capacity as a parent holding company"

FAQ

How many UCTT shares does Invesco Ltd. report beneficially owning?

Invesco Ltd. reports beneficial ownership of 3,145,489 shares of Ultra Clean Holdings Inc. common stock. These shares are held of record by clients of Invesco’s investment adviser subsidiaries, with Invesco deemed a parent holding company.

What percentage of Ultra Clean Holdings (UCTT) does Invesco’s stake represent?

Invesco’s reported position represents 7.0% of Ultra Clean Holdings Inc. common stock. This percentage reflects shares beneficially owned through client accounts managed by Invesco’s investment adviser subsidiaries.

What voting power does Invesco Ltd. have over its UCTT holdings?

Invesco Ltd. reports sole voting power over 3,088,399 shares of Ultra Clean Holdings Inc. and no shared voting power. This indicates that Invesco-controlled entities can direct the vote for those shares without another party sharing that authority.

What dispositive power does Invesco report for its Ultra Clean (UCTT) shares?

Invesco reports sole dispositive power over 3,145,489 shares of Ultra Clean common stock and no shared dispositive power. Sole dispositive power means Invesco-controlled entities can decide whether and how to sell or otherwise dispose of those shares.

Do any individual Invesco clients hold over 5% of UCTT shares economically?

No. The disclosure states that no one person has greater than 5% economic ownership in the reported Ultra Clean securities. The relevant clients, as holders of record, receive dividends and sale proceeds associated with these shares.

Which Invesco subsidiaries are associated with the UCTT position?

The stake is associated with three Invesco subsidiaries: Invesco Advisers, Inc., Invesco Investment Advisers LLC, and Invesco Capital Management LLC. Invesco Ltd. is reporting as a parent holding company to these investment advisers.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/13/2026 - 03:14 PM Accepted by SEC EDGAR 08/13/2026 - 03:14 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Ultra Clean Holdings Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

90385V107

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 90385V107

1

Names of Reporting Persons

Invesco Ltd.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

BERMUDA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 3,088,399.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,145,489.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,145,489.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

7.0 %

12

Type of Reporting Person (See Instructions)

HC, IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Ultra Clean Holdings Inc
(b)	Address of issuer's principal executive offices: 26462 Corporate Avenue, Hayward, CA 94545
Item 2.
(a)	Name of person filing: Invesco Ltd. ("Invesco Ltd.")
(b)	Address or principal business office or, if none, residence: 1331 Spring Street NW, Suite 2500, Atlanta, GA 30309
(c)	Citizenship: Bermuda
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 90385V107
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: Invesco Ltd., in its capacity as a parent holding company to its investment advisers, may be deemed to beneficially own 3,145,489 shares of the Issuer which are held of record by clients of Invesco Ltd.
(b)	Percent of class: 7.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 3,088,399
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 3,145,489
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. No one person has greater than 5% economic ownership in the securities listed above. As holders of record, the relevant clients of Invesco Ltd. have the right to receive or the power to direct the receipt of dividends from, and proceeds from the sale of, the securities listed above.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. Invesco Advisers, Inc. Invesco Investment Advisers LLC Invesco Capital Management LLC
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Invesco Ltd.

Signature:	Robert R. Leveille
Name/Title:	Global Head of Compliance
Date:	08/12/2026