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Disclosery

MKSI MKS INC.

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Stock (common), issuer CIK 1049502

423 managers (435 13F filers) reported a position in MKSI shares at 2025-09-30, 72,010,858 shares in all. 77 filers opened a position and 37 filers sold out during the quarter.

Managers
423
13F filers
435
New
77
Added
147
Reduced
142
Sold out
37
Shares held by filers
72,010,858

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

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 2025

Filers in the available 13F reports with a share position at 2025-09-30, 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
Front Row Advisors LLC7,785$964K0.32%+2013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…7,667$949K<0.01%-1,23013F-HRTimelineGroup
Mitsubishi UFJ Trust & Banking Corpgroup of 2 filers holding7,562$936K+6,243Timeline
COMMONWEALTH EQUITY SERVICES, LLC7,517$930K<0.01%+1,69413F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV7,413$918K<0.01%+1,51713F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC7,403$916K0.07%new13F-HRTimeline
State of Alaska, Department of Revenue7,341$908K0.01%-20513F-HRTimeline
Trexquant Investment LP7,206$892K0.01%-40,37813F-HRTimeline
LPL Financial LLC6,861$849K<0.01%-1,96013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…6,840$847K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC6,689$828K<0.01%+53513F-HRTimelineGroup
JOURNEY STRATEGIC WEALTH LLC6,450$798K0.02%+17313F-HRTimeline
WASHINGTON CAPITAL MANAGEMENT, INC6,400$792K0.57%-1,00013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\6,370$788K<0.01%-39113F-HRTimelineGroup
New York Life Investment Management LLCin group New York Life Investment Mana…6,322$782K0.01%-24113F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP6,200$767K<0.01%+1,40013F-HRTimelineGroup
Hanson & Doremus Investment Management6,005$743K0.09%-20013F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC5,994$742K<0.01%+2,46613F-HRTimelineGroup
Verition Fund Management LLC5,903$731K<0.01%-40713F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP5,860$725K<0.01%-7,76713F-HRTimelineGroup
HighTower Advisors, LLC5,714$707K<0.01%+54513F-HRTimeline
Horizon Investments, LLC5,666$701K0.01%-48313F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/5,582$690K<0.01%-100,19613F-HRTimelineGroup
BCM ADVISORS, LLC4,903$689K0.14%013F-HRTimeline
Bayesian Capital Management, LP5,548$687K0.14%-4,11113F-HRTimeline
INFRASTRUCTURE CAPITAL ADVISORS, LLC4,592$660K0.08%-27813F-HRTimeline
HANCOCK WHITNEY CORP5,317$658K0.01%new13F-HRTimeline
SG Americas Securities, LLC5,237$648K<0.01%+1,98713F-HRTimeline
Atria Investments, Inc5,033$623K0.01%+17813F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC4,989$617K0.02%-9813F-HRTimeline
PROFUND ADVISORS LLC4,856$601K0.02%+26213F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC4,836$599K0.01%-18913F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.5,083$594K<0.01%+2,33913F-HRTimelineGroup
COMMERCE BANKin group COMMERCE BANK4,802$594K<0.01%+6413F-HRTimelineGroup
Ellevest, Inc.4,778$591K0.08%-4,71513F-HRTimeline
Quantum Portfolio Management LLC4,761$589K0.18%new13F-HRTimeline
Woodline Partners LP4,713$583K<0.01%+64613F-HRTimeline
J.W. COLE ADVISORS, INC.4,679$579K0.01%new13F-HRTimeline
Meeder Advisory Services, Inc.in group Meeder Advisory Services, Inc.4,515$559K0.03%+30113F-HRTimelineGroup
Aaron Wealth Advisors LLC4,480$554K0.03%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC4,477$554K<0.01%new13F-HRTimeline
Quinn Opportunity Partners LLC4,410$546K0.04%013F-HRTimeline
Venturi Wealth Management, LLC4,308$533K0.02%-25113F-HRTimeline
QUADRANT CAPITAL GROUP LLC4,280$530K0.02%+813F-HRTimeline
Vise Technologies, Inc.4,183$518K0.02%+5613F-HRTimeline
Fulton Bank, N.A.4,171$516K0.02%-2113F-HRTimeline
Federation des caisses Desjardins du Qu…4,165$516K<0.01%new13F-HRTimeline
Empowered Funds, LLC4,122$510K0.01%+1,12213F-HRTimeline
Blue Trust, Inc.4,045$501K0.01%+13713F-HRTimeline
QRG CAPITAL MANAGEMENT, INC.3,998$495K0.01%-3,25813F-HRTimeline
Archer Investment Corp3,970$491K0.11%013F-HRTimeline
iSAM Funds (UK) Ltdin group iSAM Funds (UK) Ltd3,942$488K0.1%new13F-HRTimelineGroup
Engineers Gate Manager LP3,914$484K0.01%new13F-HRTimeline
Neo Ivy Capital Management3,758$465K0.11%new13F-HRTimeline
Schonfeld Strategic Advisors LLC3,692$457K<0.01%new13F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC3,681$456K0.04%-25313F-HRTimelineGroup
Utah Retirement Systems3,600$446K<0.01%-7,43413F-HRTimeline
EVERGREEN CAPITAL MANAGEMENT LLC3,550$439K0.01%+1,29113F-HRTimeline
BRIGHTON JONES LLC3,462$428K0.01%+8213F-HRTimeline
State of Wyoming3,396$420K0.05%+42813F-HRTimeline
Maryland State Retirement & Pension Sys…3,348$414K0.01%+22413F-HRTimeline
Dynamic Technology Lab Private Ltd3,270$405K0.07%new13F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…3,107$385K<0.01%new13F-HRTimelineGroup
EntryPoint Capital, LLC3,074$380K0.15%-2,03313F-HRTimeline
TECTONIC ADVISORS LLCin group TECTONIC ADVISORS LLC3,029$375K0.02%new13F-HRTimelineGroup
Wedmont Private Capital2,853$368K0.01%+20313F-HRTimeline
Stonegate Investment Group, LLC2,961$366K0.01%-21313F-HRTimeline
Crossmark Global Holdings, Inc.2,959$366K0.01%-1,17013F-HRTimeline
Merit Financial Group, LLC2,935$363K<0.01%+42713F-HR/ATimeline
Cetera Trust Company, N.A2,915$361K0.2%013F-HRTimeline
Callan Family Office, LLC2,891$358K0.01%-1,38213F-HRTimeline
MML INVESTORS SERVICES, LLC2,854$353K<0.01%-95013F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC2,841$352K<0.01%+2,78513F-HRTimelineGroup
SIG BROKERAGE, LP2,785$345K0.09%+43713F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP2,775$343K0.03%new13F-HR/ATimeline
CAPTRUST FINANCIAL ADVISORS2,706$335K<0.01%-1,59713F-HRTimeline
Dynasty Wealth Management, LLC2,699$334K<0.01%new13F-HRTimeline
NorthRock Partners, LLC2,649$328K0.01%new13F-HRTimeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding2,619$324K+2,030Timeline
INCEPTIONR LLC2,609$323K0.08%new13F-HRTimeline
LEUTHOLD GROUP, LLC2,589$320K0.04%new13F-HRTimeline
GAMMA Investing LLC2,486$308K0.02%-4313F-HRTimeline
SYON CAPITAL LLC2,467$305K0.02%new13F-HRTimeline
Diametric Capital, LP2,464$305K0.11%new13F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC2,407$298K<0.01%new13F-HRTimelineGroup
SHELTON CAPITAL MANAGEMENT2,387$295K0.01%013F-HRTimeline
Forum Financial Management, LPin group Forum Financial Management, LP2,321$287K<0.01%new13F-HRTimelineGroup
BAILARD, INC.2,310$286K0.01%new13F-HRTimeline
Claret Asset Management Corp2,287$283K0.03%-3313F-HRTimeline
SIGNATUREFD, LLC2,246$278K<0.01%+6413F-HRTimeline
SUMMIT WEALTH GROUP LLC / CO331$276K0.03%new13F-HRTimeline
Avior Wealth Management, LLC2,176$269K0.01%new13F-HRTimeline
Clearstead Advisors, LLC2,142$265K<0.01%-76013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC2,135$264K<0.01%new13F-HRTimelineGroup
CIBC Asset Management Inc2,107$261K<0.01%013F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC2,100$260K0.02%013F-HRTimeline
OneDigital Investment Advisors LLC2,060$255K<0.01%new13F-HRTimeline
ROMANO BROTHERS AND COMPANY2,057$255K0.03%013F-HRTimeline
Point72 Europe (London) LLP2,057$255K0.01%new13F-HRTimeline
Phillips Wealth Planners LLC1,808$252K0.21%new13F-HRTimeline
GREENLEAF TRUST2,019$250K<0.01%-2713F-HRTimeline
Chicago Partners Investment Group LLC1,749$246K0.01%new13F-HRTimeline
Brooklyn Investment Group2,436$244K0.03%+113F-HR/ATimeline
CI INVESTMENTS INC.in group CI INVESTMENTS INC.1,967$243K<0.01%-12113F-HRTimelineGroup
DAVENPORT & Co LLC1,964$241K<0.01%-17713F-HRTimeline
Baker Avenue Asset Management, LP1,878$232K0.01%new13F-HRTimeline
FourThought Financial Partners, LLC1,864$231K0.02%new13F-HRTimeline
Arax Advisory Partners1,821$225K<0.01%new13F-HRTimeline
KBC Group NVin group KBC Group NV1,788$221K<0.01%013F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP1,803$220K<0.01%-13913F-HRTimelineGroup
Cambridge Investment Research Advisors,…1,761$218K<0.01%new13F-HRTimeline
Oak Thistle LLC1,737$215K0.03%new13F-HRTimeline
AE Wealth Management LLC1,702$211K<0.01%new13F-HRTimeline
1620 INVESTMENT ADVISORS, INC.1,679$208K0.14%-2113F-HRTimeline
World Investment Advisors1,618$200K<0.01%new13F-HRTimeline
New Age Alpha Advisors, LLC1,306$162K0.01%-2913F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP1,314$160K<0.01%new13F-HRTimeline
Versant Capital Management, Inc1,162$144K0.02%+1013F-HRTimeline
PENSION & WEALTH MANAGEMENT ADVISORS, I…1,137$141K0.04%-33013F-HRTimeline
WHITTIER TRUST CO977$135K<0.01%013F-HRTimeline
MAI Capital Management1,057$131K<0.01%+10113F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp1,022$126K0.01%-1813F-HRTimelineGroup
UMB Bank, n.a.951$118K<0.01%-2413F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Parallel Advisors, LLC933$115K<0.01%-1913F-HRTimeline
SHELL ASSET MANAGEMENT CO876$108K0.01%-1,33413F-HRTimeline
MassMutual Private Wealth & Trust, FSB840$104K<0.01%+313F-HRTimeline
Aster Capital Management (DIFC) Ltd776$96K0.05%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…737$91.2K<0.01%-10113F-HRTimelineGroup
OPTIMUM INVESTMENT ADVISORS665$82.3K0.03%+4013F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …653$81K<0.01%+713F-HRTimelineGroup
Leonteq Securities AG618$76.5K<0.01%+39913F-HRTimeline
STEPH & CO553$68.4K0.02%+12913F-HRTimeline
Larson Financial Group LLC533$66K<0.01%+11213F-HRTimeline
Abich Financial Wealth Management LLC527$65.2K0.02%13F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.480$59K<0.01%new13F-HRTimelineGroup
Allworth Financial LP471$58.3K<0.01%+12013F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp462$57.2K<0.01%013F-HRTimelineGroup
Salomon & Ludwin, LLC395$54.5K<0.01%new13F-HRTimeline
Geneos Wealth Management Inc.430$53.2K<0.01%-22213F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…415$51.4K<0.01%new13F-HRTimelineGroup
Truvestments Capital LLC406$50.3K0.01%-22113F-HRTimeline
Covestor Ltd340$42K0.02%-15513F-HRTimeline
WINNACLE WEALTH LLC303$37.6K0.03%new13F-HRTimeline
DANSKE BANK A/S300$37.1K<0.01%-41413F-HR/ATimeline
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …301$37K<0.01%013F-HRTimelineGroup
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT…275$34K<0.01%new13F-HRTimeline
Smartleaf Asset Management LLC260$31.8K<0.01%+11113F-HRTimeline
Estabrook Capital Management250$30.9K<0.01%013F-HRTimeline
SJS Investment Consulting Inc.241$29.8K<0.01%new13F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC216$29.8K<0.01%013F-HRTimeline
Coston, McIsaac & Partners239$29K0.01%013F-HRTimeline
Wealthspire Advisors, LLC234$29K<0.01%new13F-HRTimeline
Bayforest Capital Ltd228$28.2K0.01%-16013F-HRTimeline
Rise Advisors, LLC224$27.7K0.01%+113F-HRTimeline
Steward Partners Investment Advisory, L…213$26.4K<0.01%013F-HRTimeline
AlphaQuest LLC183$22.6K<0.01%-213F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.165$20.4K<0.01%+6813F-HRTimelineGroup
Farther Finance Advisors, LLC159$19.7K<0.01%+5713F-HRTimeline
Wilmington Savings Fund Society, FSB157$19.4K<0.01%013F-HR/ATimeline
Smithfield Trust Co155$19K<0.01%013F-HRTimeline
Parkside Financial Bank & Trust151$18.7K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK140$17.3K<0.01%013F-HRTimelineGroup
Capital Advisors, Ltd. LLC137$17K<0.01%013F-HRTimeline
Quarry LP125$15.5K<0.01%new13F-HRTimeline
Physician Wealth Advisors, Inc.120$14.9K<0.01%013F-HRTimeline
OAKWORTH CAPITAL, INC.119$14.7K<0.01%new13F-HRTimeline
AdvisorNet Financial, Inc115$14.2K<0.01%+1313F-HRTimeline
Root Financial Partners, LLC113$14K<0.01%new13F-HRTimeline
ARMSTRONG ADVISORY GROUP, INC96$11.9K<0.01%013F-HRTimeline
Fortitude Family Office, LLC87$10.8K<0.01%+813F-HRTimeline
Clearstead Trust, LLC82$10.2K<0.01%+213F-HRTimeline
Hemington Wealth Management81$10K<0.01%+3213F-HRTimeline
True Wealth Design, LLC79$9.78K<0.01%+3513F-HRTimeline
Quent Capital, LLC66$8.18K<0.01%new13F-HRTimeline
Bell Investment Advisors, Inc65$8.05K<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…56$6.93K<0.01%+313F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC56$6.93K<0.01%+2313F-HRTimelineGroup
Investors Research Corp52$6.44K<0.01%013F-HRTimeline
Bare Financial Services, Inc50$6.19K<0.01%013F-HRTimeline
Avion Wealth53$6K<0.01%013F-HRTimeline
CoreCap Advisors, LLC41$5.08K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.40$4.95K<0.01%+1713F-HRTimeline
Advisory Services Network, LLC39$4.83K<0.01%new13F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…37$4.58K<0.01%new13F-HRTimelineGroup
Cornerstone Planning Group LLC30$4.19K<0.01%013F-HRTimeline
Colonial Trust Co / SCin group Colonial Trust Advisors34$4.17K<0.01%-1313F-HRTimelineGroup
Aventura Private Wealth, LLC32$3.96K<0.01%013F-HRTimeline
Hughes Financial Services, LLC23$3.65K<0.01%013F-HRTimeline
Financial Network Wealth Advisors LLC29$3.59K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC26$3.22K<0.01%013F-HRTimeline
Global Retirement Partners, LLC25$3.09K<0.01%013F-HRTimeline
IFP Advisors, Inc24$2.97K<0.01%+2413F-HR/ATimeline
Bogart Wealth, LLC23$2.85K<0.01%013F-HRTimeline
Prestige Wealth Management Group LLC22$2.72K<0.01%013F-HR/ATimeline
Bruce G. Allen Investments, LLC21$2.6K<0.01%013F-HRTimeline
Strategic Wealth Partners, Ltd.21$2.54K<0.01%013F-HRTimeline
Retirement Wealth Solutions LLC20$2.48K<0.01%new13F-HRTimeline
Private Wealth Management Group, LLC19$2.35K<0.01%013F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV18$2.24K<0.01%013F-HRTimeline
LANARK FINANCIAL, INC.17$2.1K<0.01%-2613F-HRTimeline