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MKS Inc

MKSI
Exchange
Nasdaq
Industry
Industrial Instruments For Measurement, Display, and Control
SEC CIK
0001049502

In the last 90 days, MKS Inc insiders filed 0 open-market purchases and 3 sales; 777 institutions reported holding it in 13F filings for Q2 2026, worth $31.3B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q2 2026

Institutional positions in MKS Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
777
+163 vs. Q1 2026
Shares held
70.9M
+1.93M (+2.8%) vs. Q1 2026
Total value
$31.3B
+$15.6B (+98.7%) vs. Q1 2026
New holders
216
242 more added
Sold out
53
254 more reduced

7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MKSI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 777 institutions
Q1 2021: 351 institutionsQ2 2021: 376 institutionsQ3 2021: 376 institutionsQ4 2021: 405 institutionsQ1 2022: 399 institutionsQ2 2022: 375 institutionsQ3 2022: 358 institutionsQ4 2022: 316 institutionsQ1 2023: 325 institutionsQ2 2023: 320 institutionsQ3 2023: 324 institutionsQ4 2023: 325 institutionsQ1 2024: 343 institutionsQ2 2024: 397 institutionsQ3 2024: 410 institutionsQ4 2024: 420 institutionsQ1 2025: 397 institutionsQ2 2025: 396 institutionsQ3 2025: 435 institutionsQ4 2025: 516 institutionsQ1 2026: 621 institutionsQ2 2026: 777 institutions
Value heldQ2 2026: $31.3B
Q1 2021: $9.83BQ2 2021: $9.28BQ3 2021: $7.93BQ4 2021: $9.34BQ1 2022: $8.06BQ2 2022: $5.46BQ3 2022: $4.84BQ4 2022: $5.74BQ1 2023: $5.94BQ2 2023: $7.32BQ3 2023: $5.80BQ4 2023: $6.88BQ1 2024: $9.16BQ2 2024: $9.02BQ3 2024: $7.37BQ4 2024: $7.36BQ1 2025: $5.73BQ2 2025: $7.42BQ3 2025: $8.91BQ4 2025: $11.3BQ1 2026: $15.8BQ2 2026: $31.3B
Institutions holding MKSI and their total value by quarter
QuarterHoldersValue
Q2 2026777$31.3B
Q1 2026621$15.8B
Q4 2025516$11.3B
Q3 2025435$8.91B
Q2 2025396$7.42B
Q1 2025397$5.73B
Q4 2024420$7.36B
Q3 2024410$7.37B
Q2 2024397$9.02B
Q1 2024343$9.16B
Q4 2023325$6.88B
Q3 2023324$5.80B
Q2 2023320$7.32B
Q1 2023325$5.94B
Q4 2022316$5.74B
Q3 2022358$4.84B
Q2 2022375$5.46B
Q1 2022399$8.06B
Q4 2021405$9.34B
Q3 2021376$7.93B
Q2 2021376$9.28B
Q1 2021351$9.83B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q1 2026.

Institutions holding MKSI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Accordant Advisory Group Inc78$34.7K0.02%00.0%Unchanged
Westend Capital Management, LLC80$35.6K0.01%+5+6.7%Added
Ancora Advisors, LLC82$36.5K0.00%−18−18.0%Reduced
Atlantic Trust, LLC82$36.5K0.00%00.0%Unchanged
Assetmark, Inc82$36.5K0.00%+11+15.5%Added
Wealth Enhancement Trust Services, Inc.82$36.5K0.00%+48+141.2%Added
Brown Brothers Harriman & Co85$37.8K0.00%00.0%Unchanged
Bare Financial Services, Inc86$38.3K0.01%+33+62.3%Added
Carolina Wealth Advisors, LLC87$38.7K0.02%+28+47.5%Added
BI Asset Management Fondsmaeglerselskab A/S88$39.0K0.00%+88New
Rakuten Securities, Inc.89$39.6K0.01%−66−42.6%Reduced
Transamerica Financial Advisors, Inc.89$39.6K0.00%+50+128.2%Added
Quent Capital, LLC94$41.9K0.00%−3−3.1%Reduced
Kemnay Advisory Services Inc.99$44.0K0.01%+15+17.9%Added
City Holding Co102$45.4K0.01%00.0%Unchanged
Armstrong Advisory Group, Inc105$46.7K0.00%00.0%Unchanged
Bell Investment Advisors, Inc106$47.1K0.01%−2−1.9%Reduced
Basecamp Wealth Advisors LLC108$48.0K0.01%+24+28.6%Added
Owl Creek Wealth Partners LLC108$48.0K0.01%+20+22.7%Added
V-Square Quantitative Management LLC111$49.4K0.00%+15+15.6%Added
Whittier Trust Co of Nevada Inc142$49.6K0.00%−3−2.1%Reduced
UMA Financial Services, Inc.122$54.3K0.01%+2+1.7%Added
Parkside Financial Bank & Trust133$59.2K0.00%−48−26.5%Reduced
SBI Securities Co., Ltd.137$60.9K0.00%+59+75.6%Added
Capital Advisors, Ltd. LLC137$61.0K0.01%00.0%Unchanged
LRI Investments, LLC144$64.2K0.01%+108+300.0%Added
Smithfield Trust Co155$69.0K0.00%00.0%Unchanged
Clearstead Advisors, LLC160$71.2K0.00%+105+190.9%Added
First National Bank161$71.6K0.03%+161New
Fortitude Family Office, LLC184$81.8K0.02%+70+61.4%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.191$85.0K0.00%00.0%Unchanged
True Wealth Design, LLC192$85.4K0.02%+30+18.5%Added
Measured Wealth Private Client Group, LLC196$87.2K0.02%+100+104.2%Added
Creative Financial Designs Inc198$88.2K0.00%+25+14.5%Added
SJS Investment Consulting Inc.205$91.2K0.01%−25−10.9%Reduced
Huntington National Bank212$94.3K0.00%+46+27.7%Added
Covestor Ltd217$97.0K0.06%00.0%Unchanged
Clear Street Markets LLC226$100.5K0.02%+226New
Erste Asset Management GmbH266$103.4K0.00%00.0%Unchanged
Coston, McIsaac & Partners239$106.0K0.02%00.0%Unchanged
Estabrook Capital Management250$111.2K0.02%00.0%Unchanged
Northwest & Ethical Investments L.P.288$119.8K0.00%−480−62.5%Reduced
Salomon & Ludwin, LLC295$121.3K0.01%−92−23.8%Reduced
Truvestments Capital LLC297$132.3K0.02%−22−6.9%Reduced
Nomura Asset Management Co Ltd307$136.6K0.00%+57+22.8%Added
Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.378$168.1K0.51%−1,010−72.8%Reduced
Macquarie Group Ltd416$185.0K0.00%+416New
Stephenson National Bank & Trust422$187.7K0.05%−540−56.1%Reduced
Geneos Wealth Management Inc.430$191.3K0.00%00.0%Unchanged
IFP Advisors, Inc434$193.0K0.00%+245+129.6%Added
Western Wealth Management, LLC450$200.2K0.01%+450New
Sciencast Management LP457$203.3K0.04%+457New
Krane Funds Advisors LLC460$204.6K0.01%+460New
Quarry LP462$205.5K0.03%+462New
Atlantic Union Bankshares Corp463$205.7K0.00%+1+0.2%Added
Emerald Advisors, LLC475$211.4K0.03%+475New
McAdam, LLC478$212.6K0.01%+478New
Westwood Holdings Group Inc.480$213.5K0.00%+480New
West Family Investments, Inc.482$214.4K0.06%+482New
OpenArc Corporate Advisory, LLC483$214.8K0.00%+483New
Greenspring Advisors, LLC483$214.8K0.01%+483New
Flputnam Investment Management Co485$215.7K0.00%+485New
Somerset Trust Co497$221.1K0.06%+497New
Medallion Wealth Advisors, LLC895$221.3K0.07%+855+2,137.5%Added
Financial Planning Hawaii, Inc.499$222.0K0.12%+499New
Oakmont Investment Advisors, Inc.500$222.4K0.15%+500New
Institute for Wealth Management, LLC.501$222.8K0.02%+501New
Prosperity Consulting Group, LLC501$222.8K0.01%+501New
Mirae Asset Global ETFs Holdings Ltd.512$227.7K0.00%+512New
Reynders McVeigh Capital Management, LLC513$228.0K0.01%+513New
Allstate Corp521$231.7K0.00%−8,749−94.4%Reduced
Leonteq Securities AG530$235.7K0.01%−649−55.0%Reduced
BTG Pactual Asset Management US LLC532$236.6K0.02%+532New
Markin Volterra Fund LP539$239.7K0.81%+539New
Claret Asset Management Corp543$242.0K0.03%−1,739−76.2%Reduced
Fox Run Management, L.L.C.545$242.4K0.04%−3,503−86.5%Reduced
Canandaigua National Bank & Trust Co552$245.5K0.02%+552New
Alesco Advisors LLC553$246.0K0.01%+553New
Sentinus, LLC562$250.0K0.02%+562New
Catalyst Financial Partners LLC565$251.3K0.02%+565New
Soltis Investment Advisors LLC567$252.2K0.01%+567New
Insigneo Advisory Services, LLC571$254.0K0.01%+571New
Frank, Rimerman Advisors LLC581$258.4K0.01%+581New
Checchi Capital Advisers, LLC582$258.9K0.02%+582New
Kestra Advisory Services, LLC584$259.6K0.00%+584New
Twinbeech Capital LP584$259.8K0.05%−4,821−89.2%Reduced
StoneX Group Inc.846$264.2K0.01%+846New
Walleye Trading LLC594$264.2K0.00%−1,391−70.1%Reduced
Envestnet Portfolio Solutions, Inc.594$264.2K0.00%+594New
Keudell/Morrison Wealth Management600$266.9K0.05%+600New
MJP Associates Inc604$268.7K0.03%+604New
Advisor OS, LLC604$268.7K0.02%+604New
CIBC World Markets Inc.615$273.6K0.00%+615New
Stratos Wealth Partners, LTD.616$274.1K0.00%+616New
SNS Financial Group, LLC620$275.8K0.01%+620New
Ascent Group, LLC622$276.7K0.01%+622New
Abel Hall, LLC627$278.9K0.05%+627New
Capstone Investment Advisors, LLC628$279.3K0.00%−12,333−95.2%Reduced
Pensionmark Financial Group, LLC1,226$284.5K0.00%00.0%Unchanged
Blair William & Co641$285.2K0.00%+641New