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MKS (MKSI) Institutional Ownership

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$305.21 -14.50 (-4.54%)
As of 03:02 PM Eastern
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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)
340
Total
Institutional Inflows
(last 12 months)
$2.01B
Number of
Institutional Sellers
(last 12 months)
182
Total
Institutional Outflows
(last 12 months)
$3.01B
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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
5/8/2026 PNC Financial Services Group Inc.9,444$2.17M0.0%-5.6%0.014%
5/8/2026 Madison Asset Management LLC338,336$77.75M1.0%-63.3%0.503%
5/7/2026 Leith Wheeler Investment Counsel Ltd.37,234$8.56M0.7%-23.2%0.055%
5/7/2026 Earned Wealth Advisors LLC1,385$318K0.0%+8.6%0.002%
5/7/2026 Meeder Advisory Services Inc.5,101$1.17M0.0%+8.0%0.008%
5/7/2026 WCM Investment Management LLC12,120$2.55M0.0%-34.7%0.018%
5/7/2026 Dimensional Fund Advisors LP835,345$191.88M0.0%-25.2%1.241%
5/7/2026 Parallel Advisors LLC1,058$243K0.0%+10.2%0.002%
5/7/2026 KBC Group NV26,137$6.01M0.0%+1,181.9%0.039%
5/7/2026 SEB Asset Management AB52,000$11.95M0.1%N/A0.077%
5/7/2026 Swiss National Bank132,900$30.54M0.0%+0.3%0.197%
5/7/2026 ANB Bank1,288$296K0.1%N/A0.002%
5/6/2026 Dorsey Wright & Associates5,784$1.33M0.2%N/A0.009%
5/6/2026 California Public Employees Retirement System123,288$28.33M0.0%+7.8%0.183%
5/6/2026 Watershed Asset Management L.L.C.1,827$420K0.4%-37.0%0.003%
5/6/2026 Kera Capital Partners Inc.2,433$559K0.1%+6.2%0.004%
5/6/2026 Angeles Wealth Management LLC875$201K0.0%N/A0.001%
5/6/2026 Bessemer Group Inc.117,851$27.08M0.0%-25.4%0.175%
5/5/2026 Sanctuary 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%
5/4/2026 Archer 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%
5/4/2026 Principal 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%
5/4/2026 Teachers Retirement System of The State of Kentucky32,572$7.49M0.1%-14.1%0.048%
5/1/2026 Fifth 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%
4/30/2026 Hsbc 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%
4/30/2026 Quantum 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%
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%
4/27/2026 World 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%
4/25/2026 Keybank National Association OH1,308$301K0.0%N/A0.002%
4/24/2026 Root Financial Partners LLC273$63K0.0%+93.6%0.000%
4/24/2026 Fulton Bank N.A.3,228$742K0.0%-17.6%0.005%
4/23/2026 Inspire Investing LLC9,419$2.17M0.2%-14.0%0.014%
4/22/2026 Janney Montgomery Scott LLC8,650$1.99M0.0%-47.5%0.013%
4/22/2026 Pictet Asset Management Holding SA10,903$2.51M0.0%+6.4%0.016%
4/22/2026 Sterling Capital Management LLC7,058$1.62M0.0%-58.5%0.010%
4/22/2026 Venturi Wealth Management LLC2,736$629K0.0%-36.6%0.004%
4/21/2026 GHP Investment Advisors Inc.50,487$11.60M0.5%+6.2%0.075%
4/21/2026 Aaron Wealth Advisors LLC3,928$903K0.1%-26.9%0.006%
4/21/2026 Louisiana State Employees Retirement System19,500$4.48M0.1%N/A0.029%
4/21/2026 Fairvoy Private Wealth LLC3,070$706K0.2%N/A0.005%
4/20/2026 Blue Trust Inc.4,274$982K0.0%+1.1%0.006%
4/20/2026 Fifth Third Wealth Advisors LLC2,087$480K0.0%+4.1%0.003%
4/20/2026 OP Asset Management Ltd2,828$650K0.0%N/A0.004%
4/20/2026 Assenagon Asset Management S.A.36,911$8.48M0.0%-60.2%0.055%
4/18/2026 Bourne Lent Asset Management Inc.929$213K0.1%N/A0.001%
4/18/2026 Steph & Co.962$221K0.1%-17.2%0.001%
4/17/2026 Hanson & Doremus Investment Management6,853$1.58M0.2%+14.1%0.010%
4/16/2026 SG Americas Securities LLC110,343$25.36M0.0%+477.0%0.164%
4/16/2026 Evolve Private Wealth LLC931$214K0.0%N/A0.001%
4/16/2026 Diversified Trust Co1,675$385K0.0%N/A0.002%
3/20/2026 Hsbc Holdings PLC9,390$1.51M0.0%-50.0%0.014%
3/17/2026Rockefeller Capital Management L.P.557$89K0.0%+34.2%0.001%
3/13/2026 World Investment Advisors1,319$211K0.0%-18.5%0.002%
3/9/2026Corient Private Wealth LLC11,855$1.90M0.0%+102.3%0.018%
3/6/2026 Hsbc Holdings PLC9,390$1.51M0.0%-50.0%0.014%
2/26/2026Alpine Global Management LLC4,000$639K0.1%N/A0.006%
2/24/2026 Pacer Advisors Inc.10,691$1.71M0.0%-11.0%0.016%
2/23/2026 Kera Capital Partners Inc.2,292$366K0.0%N/A0.003%
2/23/2026Virtu Financial LLC7,295$1.17M0.0%N/A0.011%
2/20/2026Dean Capital Management12,090$1.93M0.8%+3.2%0.018%
2/19/2026Corient Private Wealth LLC133,036$21.26M0.0%+2,170.2%0.198%
2/18/2026Mercer Global Advisors Inc. ADV10,968$1.75M0.0%+48.0%0.016%
2/18/2026Vident Advisory LLC2,190$350K0.0%-9.0%0.003%
2/18/2026State of Tennessee Department of Treasury29,270$4.68M0.0%-12.6%0.044%
2/18/2026EP Wealth Advisors LLC4,384$701K0.0%N/A0.007%
2/18/2026Mackenzie Financial Corp4,175$674K0.0%N/A0.006%
2/18/2026NewEdge Advisors LLC2,659$425K0.0%N/A0.004%
2/18/2026Empowered Funds LLC3,699$591K0.0%-10.3%0.006%
2/18/2026XTX Topco Ltd19,944$3.19M0.1%N/A0.030%
2/18/2026SummitTX Capital L.P.205,750$32.88M1.0%+4.6%0.306%
2/18/2026Polymer Capital Management US LLC2,425$388K0.0%N/A0.004%
2/18/2026Old West Investment Management LLC16,350$2.61M0.5%+3.2%0.024%
2/18/2026Millennium Management LLC817,251$130.60M0.1%+83.1%1.217%
2/18/2026Infrastructure Capital Advisors LLC3,572$571K0.1%-22.2%0.005%
2/18/2026 Inspire Investing LLC10,946$1.75M0.2%+197.4%0.016%
2/18/2026Gotham Asset Management LLC225,215$35.99M0.1%+13.1%0.335%
2/18/2026Engineers Gate Manager LP12,231$1.96M0.0%+212.5%0.018%
2/18/2026Expect Equity LLC24,015$3.84M3.7%-23.7%0.036%
2/18/2026Cinctive Capital Management LP31,897$5.10M0.3%N/A0.047%
2/18/2026Concentric Capital Strategies LP102,590$16.39M0.8%+36.9%0.153%


MKSI Institutional Ownership - Frequently Asked Questions

During the previous two years, 531 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 473 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 16,703,362 shares in the last 24 months. This purchase volume represents approximately $2.01B in transactions.

Of the 180 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), Nordea Investment Management AB ($1.67M), Victory Capital Management Inc. ($1.30M), Madison Asset Management LLC ($1.13M), Barclays PLC ($965.88K), Price T Rowe Associates Inc. MD ($879.17K), and Goldman Sachs Group Inc. ($749.69K).

Institutional investors have sold a total of 22,199,027 shares in the last 24 months. This volume of shares sold represents approximately $3.01B in transactions.


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This page (NASDAQ:MKSI) was last updated on 5/12/2026 by MarketBeat.com Staff.
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