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Disclosery

MKSI MKS INC.

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Stock (common), issuer CIK 1049502

501 managers (516 13F filers) reported a position in MKSI shares at 2025-12-31, 70,548,725 shares in all. 108 filers opened a position and 41 filers sold out during the quarter.

Managers
501
13F filers
516
New
108
Added
177
Reduced
146
Sold out
41
Shares held by filers
70,548,725

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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
IEQ CAPITAL, LLC11,907$1.9M0.01%-7,36313F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP11,855$1.9M<0.01%+5,99513F-HR/ATimelineGroup
&PARTNERS11,860$1.9M0.01%+72113F-HRTimeline
EQUITABLE TRUST CO11,752$1.88M0.08%+1,09513F-HRTimeline
Banco Santander, S.A.in group Banco Santander, S.A.11,748$1.88M0.01%+24913F-HRTimelineGroup
ProShare Advisors LLC11,229$1.79M<0.01%+2,17813F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC11,145$1.78M<0.01%+2,60413F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV10,968$1.75M<0.01%+3,55513F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC10,946$1.75M0.16%+7,26513F-HRTimelineGroup
Pacer Advisors, Inc.10,691$1.71M<0.01%-1,31613F-HR/ATimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…10,247$1.64M<0.01%+75213F-HRTimelineGroup
PDT Partners, LLC10,070$1.61M0.1%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…10,004$1.6M<0.01%+2,33713F-HRTimelineGroup
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC9,812$1.57M0.01%+16513F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC9,488$1.52M<0.01%-12013F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC9,390$1.51M<0.01%-9,37413F-HR/ATimelineGroup
Trexquant Investment LP9,159$1.46M0.01%+1,95313F-HRTimeline
Sanctuary Advisors, LLC9,073$1.45M0.01%+59213F-HRTimeline
Cornerstone Investment Partners, LLC9,037$1.44M0.06%+313F-HRTimeline
South Dakota Investment Council8,781$1.4M0.03%013F-HRTimeline
Linden Thomas Advisory Services, LLC8,221$1.31M0.13%-2113F-HRTimeline
FirstWave Capital Management LLC8,021$1.28M0.76%13F-HRTimeline
Front Row Advisors LLC7,910$1.26M0.42%+12513F-HRTimeline
CAXTON ASSOCIATES LLP7,811$1.25M0.02%new13F-HRTimeline
CWM, LLCin group CWM, LLC7,693$1.23M<0.01%+1,00413F-HRTimelineGroup
Brooklyn Investment Group7,399$1.2M0.06%+4,96313F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC7,295$1.17M0.05%new13F-HRTimelineGroup
Mitsubishi UFJ Trust & Banking Corpgroup of 2 filers holding7,277$1.16M-285Timeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…7,275$1.16M0.02%-29,05913F-HRTimelineGroup
Horizon Investments, LLC7,136$1.14M0.01%+1,47013F-HRTimeline
Entropy Technologies, LP6,991$1.12M0.06%new13F-HRTimeline
XPONANCE LLC6,842$1.09M0.01%-1,30113F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…6,840$1.09M<0.01%013F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC6,825$1.09M0.08%-57813F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC6,717$1.07M0.01%+2,24013F-HRTimeline
State of Alaska, Department of Revenue6,666$1.06M0.01%-67513F-HRTimeline
BCM ADVISORS, LLC4,903$1.06M0.2%013F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC6,535$1.04M<0.01%-98213F-HRTimeline
JOURNEY STRATEGIC WEALTH LLC6,452$1.03M0.03%+213F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\6,382$1.02M<0.01%+1213F-HRTimelineGroup
Dynamic Technology Lab Private Ltd6,338$1.01M0.23%+3,06813F-HRTimeline
HUDSON EDGE INVESTMENT PARTNERS INC.6,310$1.01M0.15%-4,07813F-HRTimeline
HighTower Advisors, LLC6,111$977K<0.01%+39713F-HRTimeline
Hanson & Doremus Investment Management6,005$960K0.12%013F-HRTimeline
ATLAS CAPITAL ADVISORS INC.5,971$954K0.11%13F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC5,878$939K<0.01%+3,03713F-HRTimelineGroup
New York Life Investment Management LLCin group New York Life Investment Mana…5,738$917K0.01%-58413F-HRTimelineGroup
COLDSTREAM CAPITAL MANAGEMENT INC5,566$889K0.01%+73013F-HRTimeline
WASHINGTON CAPITAL MANAGEMENT, INC5,500$879K0.71%-90013F-HRTimeline
HANCOCK WHITNEY CORP5,386$861K0.02%+6913F-HRTimeline
Aaron Wealth Advisors LLC5,372$858K0.05%+89213F-HRTimeline
Vise Technologies, Inc.5,307$848K0.02%+1,12413F-HRTimeline
PINEBRIDGE INVESTMENTS LLC5,301$847K0.01%13F-HR/ATimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.5,196$831K<0.01%+11313F-HRTimelineGroup
Ellevest, Inc.5,182$828K0.11%+40413F-HRTimeline
PROFUND ADVISORS LLC5,016$802K0.02%+16013F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…4,948$791K<0.01%+1,84113F-HRTimelineGroup
Atria Investments, Inc4,900$783K0.01%-13313F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC4,889$781K0.03%-10013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…4,887$781K0.02%-7,55913F-HRTimelineGroup
Federation des caisses Desjardins du Qu…4,882$780K<0.01%+71713F-HRTimeline
COMMERCE BANKin group COMMERCE BANK4,788$765K<0.01%-1413F-HRTimelineGroup
Impact Partnership Wealth, LLC4,784$764K0.1%new13F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC6,007$761K<0.01%+1313F-HRTimelineGroup
Meeder Advisory Services, Inc.in group Meeder Advisory Services, Inc.4,724$755K0.03%+20913F-HRTimelineGroup
Callan Family Office, LLC4,593$734K0.02%+1,70213F-HRTimeline
QRG CAPITAL MANAGEMENT, INC.4,501$719K0.01%+50313F-HRTimeline
State of Wyoming4,465$714K0.08%+1,06913F-HRTimeline
Quinn Opportunity Partners LLC4,410$705K0.03%013F-HRTimeline
EP Wealth Advisors, LLC4,384$701K<0.01%13F-HRTimeline
Qube Research & Technologies Ltd4,358$696K<0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC4,335$693K0.02%+5513F-HRTimeline
Venturi Wealth Management, LLC4,314$689K0.03%+613F-HRTimeline
Blue Trust, Inc.4,227$675K0.01%+18213F-HRTimeline
MACKENZIE FINANCIAL CORP4,175$674K<0.01%new13F-HRTimeline
HRT FINANCIAL LP4,169$666K<0.01%-262,41113F-HRTimeline
Private Advisor Group, LLC4,141$662K<0.01%new13F-HRTimeline
Quantedge Capital Pte Ltd4,000$639K0.3%new13F-HRTimeline
Alpine Global Management, LLC4,000$639K0.14%new13F-HR/ATimeline
Archer Investment Corp3,970$634K0.14%013F-HRTimeline
Fulton Bank, N.A.3,918$626K0.02%-25313F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/3,835$613K<0.01%-1,74713F-HRTimelineGroup
SYON CAPITAL LLC3,831$612K0.03%+1,36413F-HRTimeline
Ensign Peak Advisors, Inc3,747$599K<0.01%-7,25013F-HR/ATimeline
Empowered Funds, LLC3,699$591K0.01%-42313F-HR/ATimeline
Utah Retirement Systems3,600$575K0.01%013F-HRTimeline
Verition Fund Management LLC3,590$574K<0.01%-2,31313F-HRTimeline
INFRASTRUCTURE CAPITAL ADVISORS, LLC3,572$571K0.06%-1,02013F-HRTimeline
Wedmont Private Capital3,064$561K0.02%+21113F-HRTimeline
EVERGREEN CAPITAL MANAGEMENT LLC3,435$549K0.01%-11513F-HRTimeline
CAPTRUST FINANCIAL ADVISORS3,432$548K<0.01%+72613F-HRTimeline
BROWN ADVISORY INCin group BROWN ADVISORY INC3,428$548K<0.01%new13F-HRTimelineGroup
Merit Financial Group, LLC3,411$545K<0.01%+47613F-HRTimeline
Kera Capital Partners, Inc.2,292$540K0.07%new13F-HRTimeline
MML INVESTORS SERVICES, LLC3,374$539K<0.01%+52013F-HRTimeline
Maryland State Retirement & Pension Sys…3,348$535K0.01%013F-HRTimeline
Crossmark Global Holdings, Inc.3,340$534K0.01%+38113F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP3,189$510K0.05%+41413F-HRTimeline
TECTONIC ADVISORS LLCin group TECTONIC ADVISORS LLC3,112$497K0.03%+8313F-HRTimelineGroup
Man Group plcin group Man Group plc3,011$481K<0.01%new13F-HRTimelineGroup
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …2,958$473K0.01%new13F-HRTimelineGroup
Chicago Partners Investment Group LLC2,154$468K0.01%+40513F-HRTimeline
Cetera Trust Company, N.A2,915$466K0.25%013F-HRTimeline
Watershed Asset Management, L.L.C.2,902$464K0.43%13F-HRTimeline
Quantum Portfolio Management LLC2,888$462K0.2%-1,87313F-HRTimeline
GAMMA Investing LLC2,862$457K0.02%+37613F-HRTimeline
KINGSWOOD WEALTH ADVISORS, LLC2,779$444K0.02%new13F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…2,743$438K<0.01%-17,05313F-HRTimelineGroup
Avior Wealth Management, LLC2,695$431K0.01%+51913F-HRTimeline
Headlands Technologies LLC2,676$428K0.04%new13F-HRTimeline
NewEdge Advisors, LLC2,659$425K<0.01%new13F-HRTimeline
GREENLEAF TRUST2,634$421K<0.01%+61513F-HRTimeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding2,624$419K+5Timeline
LEUTHOLD GROUP, LLC2,618$418K0.05%+2913F-HRTimeline
AE Wealth Management LLC2,602$416K<0.01%+90013F-HRTimeline
Dynasty Wealth Management, LLC2,438$390K<0.01%-26113F-HRTimeline
Polymer Capital Management (US) LLC2,425$388K0.05%new13F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC2,417$386K<0.01%new13F-HRTimeline
North Dakota State Investment Board2,358$377K0.01%13F-HRTimeline
Baker Avenue Asset Management, LP2,323$371K0.01%+44513F-HRTimeline
Forum Financial Management, LPin group Forum Financial Management, LP2,323$371K<0.01%+213F-HRTimelineGroup
Claret Asset Management Corp2,282$365K0.04%-513F-HRTimeline
SIGNATUREFD, LLC2,262$361K0.01%+1613F-HRTimeline
SHELTON CAPITAL MANAGEMENT2,240$358K0.01%-14713F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP2,224$355K<0.01%+42113F-HRTimelineGroup
TEACHER RETIREMENT SYSTEM OF TEXAS2,221$355K<0.01%-6,56613F-HRTimeline
Baird Financial Group, Inc.in group Baird Financial Group, Inc.2,203$352K<0.01%new13F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC2,190$350K<0.01%-21713F-HRTimelineGroup
Phillips Wealth Planners LLC1,584$350K0.28%-22413F-HRTimeline
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …2,124$339K0.01%+1,82313F-HRTimelineGroup
CIBC Asset Management Inc2,107$337K<0.01%013F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC2,100$336K0.02%013F-HRTimeline
ROMANO BROTHERS AND COMPANY2,057$329K0.04%013F-HRTimeline
KBC Group NVin group KBC Group NV2,039$326K<0.01%+25113F-HRTimelineGroup
Sequoia Financial Advisors, LLC2,036$325K<0.01%new13F-HRTimeline
DAVENPORT & Co LLC2,017$324K<0.01%+5313F-HRTimeline
Counterpoint Mutual Funds LLC1,943$310K0.02%new13F-HRTimeline
OneDigital Investment Advisors LLC1,908$305K<0.01%-15213F-HRTimeline
Qsemble Capital Management, LP1,891$302K0.02%new13F-HRTimeline
Integrated Advisors Network LLC1,779$284K0.01%new13F-HRTimeline
Index Technologies Group LLC1,748$279K0.29%13F-HRTimeline
Inscription Capital, LLC1,638$262K0.03%new13F-HRTimeline
Cambridge Investment Research Advisors,…1,591$254K<0.01%-17013F-HRTimeline
FourThought Financial Partners, LLC1,577$252K0.02%-28713F-HRTimeline
Ballentine Partners, LLC1,577$252K<0.01%new13F-HRTimeline
Legacy Capital Group California, Inc.1,565$250K0.06%new13F-HRTimeline
Laird Norton Wetherby Trust Company, LLCin group Laird Norton Wetherby Trust C…1,544$247K0.01%new13F-HRTimelineGroup
Meiji Yasuda Asset Management Co Ltd.in group Meiji Yasuda Life Insurance Co1,541$246K0.01%new13F-HRTimelineGroup
Versant Capital Management, Inc1,522$243K0.03%+36013F-HRTimeline
Westover Capital Advisors, LLC1,500$240K0.04%new13F-HRTimeline
CHOREO, LLC1,448$234K<0.01%new13F-HRTimeline
UMB Bank, n.a.1,459$233K<0.01%+50813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
PANAGORA ASSET MANAGEMENT INC1,450$232K<0.01%new13F-HRTimeline
EntryPoint Capital, LLC1,449$232K0.09%-1,62513F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC1,442$230K<0.01%new13F-HRTimeline
INNEALTA CAPITAL, LLC1,436$229K0.12%new13F-HRTimeline
HOLLENCREST CAPITAL MANAGEMENT1,426$228K0.01%new13F-HRTimeline
Mach-1 Financial Group, LLC1,423$227K0.05%new13F-HRTimeline
Caprock Group, LLC1,378$220K<0.01%new13F-HRTimeline
Campbell & CO Investment Adviser LLC1,364$218K0.01%new13F-HRTimeline
NORDEN GROUP LLC1,361$217K0.02%new13F-HRTimeline
Optas, LLC1,319$211K0.03%new13F-HRTimeline
World Investment Advisors1,319$211K<0.01%-29913F-HR/ATimeline
Crestwood Advisors Group, LLC1,287$206K<0.01%new13F-HRTimeline
EARNED WEALTH ADVISORS, LLC1,275$204K0.01%new13F-HR/ATimeline
BURNEY CO/1,270$203K0.01%new13F-HRTimeline
STEPH & CO1,162$186K0.05%+60913F-HRTimeline
WHITTIER TRUST CO977$179K<0.01%013F-HRTimeline
MAI Capital Management1,103$176K<0.01%+4613F-HRTimeline
Eurizon Capital SGR S.p.A.1,049$170K<0.01%13F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp1,022$163K0.01%013F-HRTimelineGroup
Clearstead Advisors, LLC1,009$161K<0.01%-1,13313F-HRTimeline
Parallel Advisors, LLC960$153K<0.01%+2713F-HRTimeline
MassMutual Private Wealth & Trust, FSB898$144K<0.01%+5813F-HRTimeline
1620 INVESTMENT ADVISORS, INC.893$143K0.1%-78613F-HRTimeline
Smartleaf Asset Management LLC876$142K0.01%+61613F-HRTimeline
PENSION & WEALTH MANAGEMENT ADVISORS, I…799$128K0.04%-33813F-HRTimeline
Pinnacle Wealth Planning Services, Inc.795$127K0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…755$121K<0.01%+1813F-HRTimelineGroup
Leonteq Securities AG707$113K0.01%+8913F-HRTimeline
Larson Financial Group LLC648$104K<0.01%+11513F-HRTimeline
Aster Capital Management (DIFC) Ltd561$89.6K0.04%-21513F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…557$89.1K<0.01%+14213F-HR/ATimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC555$88K<0.01%new13F-HRTimelineGroup
Allworth Financial LP541$86.5K<0.01%+7013F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.530$85K<0.01%+5013F-HRTimelineGroup
SCHRODER INVESTMENT MANAGEMENT GROUP514$83.2K<0.01%-80013F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp462$73.9K<0.01%013F-HRTimelineGroup
Salomon & Ludwin, LLC395$69.6K0.01%013F-HRTimeline
Geneos Wealth Management Inc.430$68.7K<0.01%013F-HRTimeline
Truvestments Capital LLC402$64.3K0.01%-413F-HRTimeline
Covestor Ltd390$63K0.03%+5013F-HRTimeline
eCIO, Inc.394$63K0.03%new13F-HRTimeline
Farther Finance Advisors, LLC348$55.6K<0.01%+18913F-HRTimeline
AlphaQuest LLC345$55.1K<0.01%+16213F-HRTimeline
DANSKE BANK A/S300$47.9K<0.01%013F-HRTimeline
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT…275$43.9K0.01%013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC295$41.1K<0.01%new13F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.256$40.9K<0.01%+9113F-HRTimelineGroup
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC254$40.5K<0.01%new13F-HRTimelineGroup