MKS Inc (MKSI) stake update as Victory Capital reports 0.90% ownership

Rhea-AI Filing Summary

Victory Capital Management, Inc. filed Amendment No. 2 to a Schedule 13G reporting its beneficial ownership in MKS Inc common stock. Victory reports beneficial ownership of 604,690 shares, representing 0.90% of the class. It has sole voting power over 591,567 shares and sole dispositive power over 604,690 shares, with no shared voting or dispositive power. The filing indicates that Victory now reports ownership of 5 percent or less of the class and certifies that the securities are not held for the purpose of changing or influencing control of MKS Inc.

Key Figures

Beneficially owned shares: 604,690 shares Percent of class owned: 0.90% Sole voting power: 591,567 shares +3 more

6 metrics

Beneficially owned shares 604,690 shares Amount beneficially owned by Victory Capital Management, Inc.

Percent of class owned 0.90% Percent of MKS Inc common stock class reported by Victory

Sole voting power 591,567 shares Shares over which Victory has sole power to vote or direct the vote

Shared voting power 0 shares Shares over which Victory has shared power to vote or direct the vote

Sole dispositive power 604,690 shares Shares over which Victory has sole power to dispose or direct disposition

Shared dispositive power 0 shares Shares over which Victory has shared power to dispose or direct disposition

Key Terms

beneficially owned, Sole Voting Power, dispositive power, Schedule 13D, +1 more

5 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 604,690"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole Voting Power financial

"5 | Sole Voting Power 591,567.00 6 | Shared Voting Power 0.00"

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.

dispositive power financial

"Sole Dispositive Power 604,690.00 8 | Shared Dispositive Power 0.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Schedule 13D regulatory

"information that would otherwise be disclosed in a Schedule 13D."

A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.

Schedule 13G regulatory

"would otherwise be disclosed in a Schedule 13D. By signing below I certify"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

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

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Available on EDGAR 07/24/2026 - 03:21 PM Accepted by SEC EDGAR 07/24/2026 - 03:21 PM Learn about SEC filing dates

FAQ

What ownership stake in MKSI does Victory Capital report in this Schedule 13G/A?

Victory Capital Management, Inc. reports beneficial ownership of 604,690 shares of MKS Inc common stock, representing 0.90% of the outstanding class, according to Amendment No. 2 to its Schedule 13G filing.

How much voting power in MKSI stock does Victory Capital have?

Victory Capital reports sole voting power over 591,567 shares of MKS Inc common stock and no shared voting power, as disclosed in Item 4 of the Schedule 13G/A.

Does Victory Capital hold more than 5% of MKSI’s common stock?

No. Victory Capital states it has ownership of 5 percent or less of MKS Inc’s common stock, with its beneficial ownership reported at 0.90% of the class in this amendment.

Is Victory Capital seeking to influence control of MKS Inc (MKSI)?

Victory Capital certifies the securities were not acquired and are not held for the purpose of changing or influencing control of MKS Inc, consistent with a passive Schedule 13G filing status.

Who signed the Schedule 13G/A for Victory Capital regarding MKSI?

The filing is signed by Sean Fox, identified as Chief Compliance Officer of Victory Capital Management, Inc., and dated 07/24/2026 in the certification section.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

MKS Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

55306N104

(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): 55306N104

1

Names of Reporting Persons

Victory Capital Management, Inc.

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

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 591,567.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 604,690.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

604,690.00

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)

.90 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MKS Inc
(b)	Address of issuer's principal executive offices: 2 Tech DR Andover, Ma 01810-2434
Item 2.
(a)	Name of person filing: Victory Capital Management, Inc.
(b)	Address or principal business office or, if none, residence: 15935 La Cantera Pkwy San Antonio, TX 78256
(c)	Citizenship: New York
(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: 604,690
(b)	Percent of class: .90 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 591,567
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 604,690
	(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.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
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. By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to Victory Capital Management, Inc. is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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.

Victory Capital Management, Inc.

Signature:	Sean Fox
Name/Title:	Chief Compliance Officer
Date:	07/24/2026