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Disclosery

MKSI MKS INC.

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Stock (common), issuer CIK 1049502

Filings received so far for Q3 2026: 31 13F filers report a position in MKSI shares at 2026-09-30. The quarter is not complete: its 13F deadline is 2026-11-14, and the counts grow as filings arrive.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2026

Filers in the available 13F reports with a share position at 2026-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Artemis Investment Management LLP85,330$22.6M0.2%-56,65613F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…14,878$3.55M0.01%-64013F-HRTimeline
GATEWAY INVESTMENT ADVISERS LLC7,972$2.12M0.02%+4,98413F-HRTimeline
Wedmont Private Capital4,193$1.09M0.03%+9513F-HRTimeline
GAMMA Investing LLC3,667$973K0.03%+43613F-HRTimeline
NEVILLE RODIE & SHAW INC2,545$675K0.05%-1,81513F-HRTimeline
Aaron Wealth Advisors LLC1,794$476K0.02%-1,48713F-HRTimeline
INDEPENDENT FINANCIAL GROUP, LLC1,716$455K0.01%new13F-HRTimeline
Versant Capital Management, Inc1,704$452K0.04%+5513F-HRTimeline
Avior Wealth Management, LLC1,616$429K0.01%-1013F-HRTimeline
MassMutual Private Wealth & Trust, FSB1,318$350K0.01%+11913F-HRTimeline
ANB BANK1,247$331K0.12%013F-HRTimeline
NorthCrest Asset Manangement, LLC1,262$329K0.01%+20613F-HRTimeline
CV Advisors LLC1,200$318K0.05%013F-HRTimeline
Whalen Wealth Management Inc.871$231K0.1%new13F-HRTimeline
Dynamic Advisor Solutions LLC844$224K0.01%+1613F-HRTimeline
Farther Finance Advisors, LLC500$133K<0.01%-64813F-HRTimeline
True Wealth Design, LLC184$48.8K0.01%-813F-HRTimeline
ARMSTRONG ADVISORY GROUP, INC105$27.9K<0.01%013F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC64$17K<0.01%+3013F-HRTimeline
CX Institutional53$14K<0.01%013F-HRTimeline
CoreCap Advisors, LLC41$10.9K<0.01%-213F-HRTimeline
Wealth Enhancement Trust Services, Inc.34$9.02K<0.01%-4813F-HRTimeline
GoalVest Advisory LLC28$7.43K<0.01%new13F-HRTimeline
Grove Bank & Trust25$6.63K<0.01%013F-HRTimeline
Aventus Investment Advisors, Inc.24$6.37K<0.01%new13F-HRTimeline
Retirement Wealth Solutions LLC16$4.25K<0.01%-113F-HRTimeline
Davis Capital Management12$3.18K<0.01%+1113F-HRTimeline
Meriwether Wealth & Planning, LLC10$2.65K<0.01%new13F-HRTimeline
Downshift Financial, LLC2$531<0.01%013F-HRTimeline
Planning Strategies Inc.2$531<0.01%-113F-HRTimeline