Invesco reports 6.5% stake in MKS Inc

Invesco Ltd. has reported beneficial ownership of 4,394,205 shares of MKS Inc common stock, representing 6.5% of the class as of 12/31/2025.

Rhea-AI Filing Summary

Invesco Ltd. has reported beneficial ownership of 4,394,205 shares of MKS Inc common stock, representing 6.5% of the class as of 12/31/2025. These shares are held of record by clients of Invesco’s investment adviser subsidiaries.

Invesco has sole voting power over 4,301,757 shares and sole dispositive power over 4,394,205 shares, with no shared voting or dispositive power. It files as a Bermuda-based parent holding company and states the position is held in the ordinary course, not to change or influence control of MKS Inc.

Insights

Equity ownership and governance analyst

Invesco discloses a 6.5% passive stake in MKS Inc.

Invesco Ltd. reports beneficial ownership of 4,394,205 MKS Inc common shares, equal to 6.5% of the outstanding class as of 12/31/2025. The position is attributed to clients of multiple Invesco adviser subsidiaries rather than Invesco itself.

Invesco reports sole voting power over 4,301,757 shares and sole dispositive power over the full 4,394,205 shares, with no shared authority. It certifies the holdings are in the ordinary course of business and not for changing or influencing control, characterizing this as a passive institutional stake.

Because no individual client has more than 5% economic ownership, the influence is dispersed across accounts. Subsequent ownership reports from Invesco or MKS Inc could show whether this percentage changes over future year-end measurement dates.

FAQ

What stake in MKS Inc (MKSI) does Invesco report in this Schedule 13G?

Invesco Ltd. reports beneficial ownership of 4,394,205 shares of MKS Inc common stock, representing 6.5% of the outstanding class as of December 31, 2025, based on holdings in client accounts it oversees.

How much voting power does Invesco have over MKS Inc (MKSI) shares?

Invesco has sole voting power over 4,301,757 MKS Inc common shares and no shared voting power. It also has sole dispositive power over 4,394,205 shares, meaning it can decide how those shares are sold or otherwise disposed.

Is Invesco’s MKS Inc (MKSI) position intended to influence control of the company?

Invesco certifies the MKS Inc shares were acquired and are held in the ordinary course of business. It states they were not acquired and are not held to change or influence control, describing the position as a passive institutional holding.

Who ultimately benefits from Invesco’s 6.5% ownership in MKS Inc (MKSI)?

The shares are held of record by clients of Invesco’s investment advisers, so those clients have the economic interest. No single individual has more than 5% economic ownership, and clients receive dividends and sale proceeds from these securities.

Which Invesco entities are linked to the MKS Inc (MKSI) holdings in this filing?

The filing identifies several Invesco subsidiaries connected to the holdings, including Invesco Advisers, Inc., Invesco Asset Management Limited, Invesco Investment Advisers LLC, and Invesco Capital Management LLC, acting under Invesco Ltd. as parent holding company.

What type of reporting person is Invesco in this MKS Inc (MKSI) Schedule 13G?

Invesco Ltd. is classified as a parent holding company or control person, with its reporting person type listed as “HC.” It is organized in Bermuda and files on behalf of its investment adviser subsidiaries that manage client accounts holding MKS Inc shares.

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Accepted by SEC EDGAR 02/12/2026 - 04:01 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

MKS Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

55306N104

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. 55306N104

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 4,301,757.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,394,205.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,394,205.00

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)

6.5 %

12

Type of Reporting Person (See Instructions)

HC, IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MKS Inc
(b)	Address of issuer's principal executive offices: 2 Tech Drive, Suite 201, Andover, MA 01810
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.: 55306N104
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 4,394,205 shares of the Issuer which are held of record by clients of Invesco Ltd.
(b)	Percent of class: 6.5 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4,301,757
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 4,394,205
	(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. 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 Asset Management Limited 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:	02/12/2026