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MKS (MKSI) Institutional Ownership

MKS logo
$297.45 +4.15 (+1.41%)
Closing price 07/31/2026 04:00 PM Eastern
Extended Trading
$288.97 -8.48 (-2.85%)
As of 07/31/2026 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for MKS (NASDAQ:MKSI)

Current
Institutional Ownership
Percentage
99.79%
Number of
Institutional Buyers
(last 12 months)
327
Total
Institutional Inflows
(last 12 months)
$1.77B
Number of
Institutional Sellers
(last 12 months)
182
Total
Institutional Outflows
(last 12 months)
$3.20B
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Skip Chart & View Institutional Buying and Selling Data

MKSI Institutional Buying and Selling by Quarter

MKS Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/10/2026 Handelsbanken Fonder AB164,490$73.17M0.2%-14.6%0.244%
7/10/2026 Carolina Wealth Advisors LLC87$39K0.0%+47.5%0.000%
7/10/2026 Fulton Bank N.A.3,857$1.72M0.1%+19.5%0.006%
7/9/2026 Allied Private Wealth LLC74$33K0.0%N/A0.000%
7/9/2026 Oliver Luxxe Assets LLC23,048$10.25M1.5%+2.8%0.034%
7/8/2026 Trust Point Inc.960$427K0.0%N/A0.001%
7/8/2026 Assenagon Asset Management S.A.24,009$10.68M0.0%-35.0%0.036%
7/7/2026 Dynamic Advisor Solutions LLC828$368K0.0%-26.7%0.001%
7/7/2026 GAMMA Investing LLC3,231$1.44M0.1%+5.7%0.005%
7/7/2026 Avior Wealth Management LLC1,626$723K0.0%-26.1%0.002%
7/7/2026 Canandaigua National Bank & Trust Co.552$246K0.0%N/A0.001%
7/6/2026 Neville Rodie & Shaw Inc.4,360$1.94M0.1%N/A0.006%
7/6/2026 Somerset Trust Co497$221K0.1%N/A0.001%
7/2/2026 MassMutual Private Wealth & Trust FSB1,199$533K0.0%+9.9%0.002%
7/2/2026 Versant Capital Management Inc1,649$733K0.1%-12.5%0.002%
6/18/2026Pacer Advisors Inc.10,479$2.41M0.0%-2.0%0.016%
6/16/2026Empowered Funds LLC3,402$782K0.0%-8.0%0.005%
6/3/2026Parallel Advisors LLC1,058$243K0.0%+10.2%0.002%
5/22/2026Segall Bryant & Hamill LLC39,434$9.06M0.1%N/A0.058%
5/19/2026Front Row Advisors LLC8,105$1.86M0.6%+2.5%0.012%
5/19/2026Western Wealth Management LLC400$92K0.0%N/A0.001%
5/19/2026Edgestream Partners L.P.42,701$9.81M0.3%-27.5%0.063%
5/19/2026Anson Funds Management LP16,500$3.79M0.3%N/A0.024%
5/19/2026Janus Henderson Group PLC30,370$6.98M0.0%+4.5%0.045%
5/19/2026Bull Harbor Capital LLC1,051$242K0.1%N/A0.002%
5/19/2026Arkadios Wealth Advisors1,311$301K0.0%N/A0.002%
5/18/2026 EverSource Wealth Advisors LLC1,120$257K0.0%+48.3%0.002%
5/18/2026California State Teachers Retirement System77,734$17.86M0.0%+21.7%0.115%
5/18/2026Royal Bank of Canada153,003$35.16M0.0%-88.4%0.227%
5/18/2026Empowered Funds LLC3,402$782K0.0%-8.0%0.005%
5/16/2026Infrastructure Capital Advisors LLC1,750$402K0.0%-51.0%0.003%
5/16/2026Maverick Capital Ltd.7,286$1.67M0.0%N/A0.011%
5/16/2026Quantinno Capital Management LP259,749$59.69M0.1%+12.5%0.385%
5/16/2026Daventry Group LP36,556$8.40M9.6%N/A0.054%
5/16/2026SummitTX Capital L.P.160,909$36.98M1.2%-21.8%0.238%
5/15/2026Dean Capital Management9,144$2.10M0.9%-24.4%0.014%
5/15/2026Delta Global Management LP151,117$34.73M2.8%-53.8%0.224%
5/15/2026Absolute Gestao de Investimentos Ltda.890$205K0.0%N/A0.001%
5/15/2026OMERS ADMINISTRATION Corp1,200$276K0.0%N/A0.002%
5/14/2026Renaissance Technologies LLC103,603$23.81M0.0%N/A0.153%
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5/14/2026Gabelli Funds LLC47,058$10.81M0.1%+0.1%0.070%
5/14/2026Public Employees Retirement System of Ohio37,486$8.62M0.0%-32.2%0.056%
5/14/2026Compound Planning Inc.1,085$249K0.0%N/A0.002%
5/14/2026Modern Wealth Management LLC961$227K0.0%N/A0.001%
5/14/2026Caxton Associates LLP8,017$1.84M0.0%+2.6%0.012%
5/14/2026Systematic Financial Management LP242,063$55.63M1.3%-8.6%0.358%
5/14/2026Lido Advisors LLC3,929$903K0.0%-34.6%0.006%
5/14/2026Globeflex Capital L P34,954$8.03M1.2%-3.7%0.052%
5/14/2026State of Wyoming3,660$841K0.1%-18.0%0.005%
5/13/2026Cetera Investment Advisers26,512$6.09M0.0%-2.0%0.039%
5/13/2026Bowie Capital Management LLC64,593$14.84M0.5%N/A0.096%
5/13/2026First Trust Advisors LP52,056$11.96M0.0%-1.7%0.077%
5/8/2026PNC Financial Services Group Inc.9,444$2.17M0.0%-5.6%0.014%
5/8/2026Madison Asset Management LLC338,336$77.75M1.0%-63.3%0.503%
5/7/2026Leith Wheeler Investment Counsel Ltd.37,234$8.56M0.7%-23.2%0.055%
5/7/2026Earned Wealth Advisors LLC1,385$318K0.0%+8.6%0.002%
5/7/2026Meeder Advisory Services Inc.5,101$1.17M0.0%+8.0%0.008%
5/7/2026WCM Investment Management LLC12,120$2.55M0.0%-34.7%0.018%
5/7/2026Dimensional Fund Advisors LP835,345$191.88M0.0%-25.2%1.241%
5/7/2026Parallel Advisors LLC1,058$243K0.0%+10.2%0.002%
5/7/2026KBC Group NV26,137$6.01M0.0%+1,181.9%0.039%
5/7/2026SEB Asset Management AB52,000$11.95M0.1%N/A0.077%
5/7/2026Swiss National Bank132,900$30.54M0.0%+0.3%0.197%
5/7/2026ANB Bank1,288$296K0.1%N/A0.002%
5/6/2026Dorsey Wright & Associates5,784$1.33M0.2%N/A0.009%
5/6/2026California Public Employees Retirement System123,288$28.33M0.0%+7.8%0.183%
5/6/2026Watershed Asset Management L.L.C.1,827$420K0.4%-37.0%0.003%
5/6/2026Kera Capital Partners Inc.2,433$559K0.1%+6.2%0.004%
5/6/2026 Angeles Wealth Management LLC875$201K0.0%N/A0.001%
5/6/2026Bessemer Group Inc.117,851$27.08M0.0%-25.4%0.175%
5/5/2026Sanctuary Advisors LLC7,342$1.69M0.0%-19.1%0.011%
5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management2,165$498K0.0%N/A0.003%
5/4/2026Archer Investment Corp5,066$1.16M0.2%+27.6%0.008%
5/4/2026 State of Michigan Retirement System16,140$3.71M0.0%+1.9%0.024%
5/4/2026Principal Financial Group Inc.614,230$141.16M0.1%-19.8%0.912%
5/4/2026 Chicago Partners Investment Group LLC3,384$778K0.0%+57.1%0.005%
5/4/2026Teachers Retirement System of The State of Kentucky32,572$7.49M0.1%-14.1%0.048%
5/1/2026Fifth Third Bancorp19,294$4.43M0.0%+3,011.9%0.029%
5/1/2026 Sequoia Financial Advisors LLC1,445$332K0.0%-29.0%0.002%
4/30/2026 Equitable Trust Co.7,224$1.66M0.1%-38.5%0.011%
4/30/2026Hsbc Holdings PLC2,398$551K0.0%-74.5%0.004%
4/30/2026 Mitsubishi UFJ Morgan Stanley Securities Co. Ltd.1,388$319K0.8%N/A0.002%
4/30/2026 Oregon Public Employees Retirement Fund13,766$3.16M0.0%+2.8%0.020%
4/30/2026Quantum Portfolio Management LLC1,394$320K0.0%-51.7%0.002%
4/29/2026 Childress Capital Advisors LLC872$200K0.0%N/A0.001%
4/29/2026 Resonant Capital Advisors LLC1,250$287K0.0%N/A0.002%
4/29/2026 Burney Co.1,360$313K0.0%+7.1%0.002%
4/28/2026 Whittier Trust Co. of Nevada Inc.145$34K0.0%-32.9%0.000%
4/28/2026 Hudson Edge Investment Partners Inc.3,813$876K0.1%-39.6%0.006%
4/28/2026 QRG Capital Management Inc.3,836$881K0.0%-14.8%0.006%
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4/27/2026 HB Wealth Management LLC2,034$467K0.0%N/A0.003%
4/27/2026 Counterpoint Mutual Funds LLC2,430$558K0.1%+25.1%0.004%
4/27/2026World Investment Advisors1,226$282K0.0%-7.1%0.002%
4/27/2026 New York State Teachers Retirement System63,109$14.50M0.0%-3.3%0.094%
4/27/2026 Sierra Summit Advisors LLC4,879$1.12M0.2%N/A0.007%
4/27/2026 Private Advisor Group LLC3,144$723K0.0%-24.1%0.005%
4/27/2026 Y Intercept Hong Kong Ltd9,732$2.24M0.0%N/A0.014%
4/27/2026 Leonteq Securities AG1,179$271K0.0%+66.8%0.002%
4/27/2026 Fideuram Intesa Sanpaolo Private Banking S.P.A.2,624$603K0.0%N/A0.004%
4/25/2026 Strs Ohio45,201$10.39M0.0%-44.1%0.067%


MKSI Institutional Ownership - Frequently Asked Questions

During the previous two years, 539 institutional investors and hedge funds held shares of MKS. The most heavily invested institutionals were Vanguard Group Inc. ($1.20B), Capital International Investors ($517.63M), FMR LLC ($440.66M), Price T Rowe Associates Inc. MD ($440.07M), Victory Capital Management Inc. ($409.47M), Wellington Management Group LLP ($260.49M), and Neuberger Berman Group LLC ($233.50M).Learn more on MKS's institutional investors.

99.79% of MKS's stock is owned by institutional investors. Learn more on MKSI's institutional investor holdings.

Of the 482 institutional investors that purchased MKS's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Norges Bank ($2.60M), Millennium Management LLC ($1.38M), Channing Capital Management LLC ($991.30K), Wellington Management Group LLP ($965.32K), Madison Investment Advisors LLC ($933.94K), Westfield Capital Management Co. LP ($839.77K), and Cooke & Bieler LP ($652.00K).

Institutional investors have bought a total of 13,273,448 shares in the last 24 months. This purchase volume represents approximately $1.77B in transactions.

Of the 181 institutional investors that sold MKS's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: New York State Common Retirement Fund ($8.41M), Victory Capital Management Inc. ($1.30M), Royal Bank of Canada ($1.16M), Madison Asset Management LLC ($1.13M), Nordea Investment Management AB ($1.09M), Barclays PLC ($965.88K), and Price T Rowe Associates Inc. MD ($879.17K).

Institutional investors have sold a total of 21,841,722 shares in the last 24 months. This volume of shares sold represents approximately $3.20B in transactions.


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This page (NASDAQ:MKSI) was last updated on 8/1/2026 by MarketBeat.com Staff.
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