Invesco Ltd. reports 1,689,449 shares in Ultra Clean (UCTT)

Rhea-AI Filing Summary

Ultra Clean Holdings Inc ownership filing shows Invesco Ltd. beneficially owns 1,689,449 shares of Common Stock, representing 3.7% of the class. The filing states Invesco has sole voting power for 1,676,404 shares and sole dispositive power for 1,689,449 shares.

Key Figures

Beneficial ownership: 1,689,449 shares Percent of class: 3.7% Sole voting power: 1,676,404 shares +3 more

6 metrics

Beneficial ownership 1,689,449 shares Amount beneficially owned (Item 4(a))

Percent of class 3.7% Percent of class (Item 4(b))

Sole voting power 1,676,404 shares Sole power to vote (Item 4(c)(i))

Sole dispositive power 1,689,449 shares Sole power to dispose (Item 4(c)(iii))

CUSIP 90385V107 Identifies the Common Stock class

Cover date 03/31/2026 Date shown on cover page

Key Terms

Beneficially own, Sole dispositive power, Schedule 13G/A, CUSIP

4 terms

Beneficially own regulatory

"may be deemed to beneficially own 1,689,449 shares"

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 dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 1,689,449"

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.

Schedule 13G/A regulatory

"Item 1. Name of issuer: Ultra Clean Holdings Inc"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

CUSIP financial

"CUSIP No.: 90385V107"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

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

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Accepted by SEC EDGAR 05/08/2026 - 11:55 AM Learn about SEC filing dates

FAQ

What stake does Invesco Ltd. report in Ultra Clean Holdings (UCTT)?

Invesco Ltd. reports beneficial ownership of 1,689,449 shares, equal to 3.7% of the Common Stock. The shares are held of record by clients of Invesco Ltd., reported in the Schedule 13G/A filing.

How much voting power does Invesco Ltd. have in UCTT?

Invesco Ltd. reports sole voting power for 1,676,404 shares and shared voting power of 0 shares. These figures are stated under Item 4(c)(i) and (ii) of the filing.

Does Invesco Ltd. control disposition of the shares in UCTT?

Yes. The filing lists sole dispositive power for 1,689,449 shares and shared dispositive power of 0 shares, per Item 4(c)(iii) and (iv) of the Schedule 13G/A.

What date and CUSIP appear on the Invesco 13G/A for UCTT?

The cover lists the date 03/31/2026 and CUSIP 90385V107. The signature block shows the filing was signed on 05/06/2026 by Robert R. Leveille.

Are the reported UCTT shares owned directly by Invesco or on behalf of clients?

The filing states Invesco Ltd. may be deemed to beneficially own the shares which are held of record by clients of Invesco Ltd. It also notes no single shareholder of the fund has greater than 5% economic ownership.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Ultra Clean Holdings Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

90385V107

(CUSIP Number)

03/31/2026

(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 1,676,404.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,689,449.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,689,449.00

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)

3.7 %

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 No.: 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 1,689,449 shares of the Issuer which are held of record by clients of Invesco Ltd.
(b)	Percent of class: 3.7 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,676,404
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,689,449
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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. However, no one individual has greater than 5% economic ownership. The shareholders of the Fund have the right to receive or the power to direct the receipt of dividends and proceeds from the sale of 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:	05/06/2026