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MKS (MKSI) Institutional Ownership

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$92.75 -2.43 (-2.55%)
Closing price 08/1/2025 04:00 PM Eastern
Extended Trading
$93.52 +0.77 (+0.83%)
As of 08/1/2025 06:48 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 Polygon.io. 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)
278
Total
Institutional Inflows
(last 12 months)
$1.49B
Number of
Institutional Sellers
(last 12 months)
166
Total
Institutional Outflows
(last 12 months)
$955.66M
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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
8/1/2025Mizuho Markets Americas LLC298,106$29.62M0.9%+5.1%0.442%
8/1/2025New York Life Investment Management LLC6,563$652K0.0%-1.7%0.010%
8/1/2025Teacher Retirement System of Texas10,242$1.02M0.0%+4.1%0.015%
8/1/2025Bessemer Group Inc.156,496$15.55M0.0%+16.7%0.232%
8/1/2025OVERSEA CHINESE BANKING Corp Ltd31,529$3.13M0.1%-1.2%0.047%
8/1/2025Envestnet Asset Management Inc.99,673$9.90M0.0%-10.0%0.148%
7/31/2025 Nisa Investment Advisors LLC17,236$1.71M0.0%+9.3%0.026%
7/31/2025 Optimum Investment Advisors625$62K0.0%+25.0%0.001%
7/31/2025 Brighton Jones LLC3,380$336K0.0%N/A0.005%
7/30/2025 Ethic Inc.22,297$2.23M0.0%+24.8%0.033%
7/29/2025 VIRGINIA RETIREMENT SYSTEMS ET Al5,300$527K0.0%N/A0.008%
7/29/2025 Mutual of America Capital Management LLC51,108$5.08M0.1%-4.5%0.076%
7/29/2025 Nordea Investment Management AB1,693,950$167.67M0.2%-25.5%2.511%
7/29/2025 Praxis Investment Management Inc.2,100$209K0.0%N/A0.003%
7/29/2025 WCM Investment Management LLC37,040$3.71M0.0%+1.7%0.055%
7/28/2025 New York State Teachers Retirement System65,286$6.49M0.0%-0.2%0.097%
7/28/2025 Bayforest Capital Ltd388$39K0.0%N/A0.001%
7/28/2025Equitable Trust Co.10,677$1.06M0.1%+59.2%0.016%
7/25/2025 Yousif Capital Management LLC22,521$2.24M0.0%-1.8%0.033%
7/25/2025 Leith Wheeler Investment Counsel Ltd.690,287$68.59M4.0%+843.4%1.023%
7/25/2025 CWM LLC6,154$611K0.0%+139.1%0.009%
7/25/2025 Vanguard Personalized Indexing Management LLC17,936$1.78M0.0%+209.0%0.027%
7/24/2025 Inspire Investing LLC3,934$391K0.0%-8.9%0.006%
7/24/2025 Blue Trust Inc.3,908$388K0.0%+48.5%0.006%
7/24/2025 Callan Family Office LLC4,273$425K0.0%N/A0.006%
7/24/2025 US Bancorp DE6,761$672K0.0%+37.0%0.010%
7/23/2025 Venturi Wealth Management LLC4,559$453K0.0%+14.2%0.007%
7/23/2025 KLP Kapitalforvaltning AS14,000$1.39M0.0%+6.1%0.021%
7/22/2025 DAVENPORT & Co LLC2,141$214K0.0%N/A0.003%
7/21/2025 QRG Capital Management Inc.7,256$721K0.0%+52.3%0.011%
7/21/2025 Polaris Capital Management LLC361,400$35.91M2.4%-3.3%0.536%
7/21/2025 Hudson Edge Investment Partners Inc.3,604$358K0.1%N/A0.005%
7/17/2025 Greenleaf Trust2,046$203K0.0%N/A0.003%
7/17/2025 Janney Montgomery Scott LLC11,567$1.15M0.0%-3.4%0.017%
7/17/2025 Washington Capital Management Inc.7,400$735K0.5%-1.3%0.011%
7/16/2025 Signaturefd LLC2,182$217K0.0%+163.5%0.003%
7/16/2025 State of Alaska Department of Revenue7,546$749K0.0%-4.3%0.011%
7/16/2025 Steph & Co.424$42K0.0%N/A0.001%
7/15/2025 Public Employees Retirement System of Ohio71,083$7.06M0.0%+15.9%0.105%
7/15/2025 Fifth Third Bancorp589$59K0.0%-86.6%0.001%
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7/14/2025 GAMMA Investing LLC2,529$251K0.0%+112.7%0.004%
7/11/2025 UMB Bank n.a.975$97K0.0%+55.8%0.001%
7/11/2025 Assenagon Asset Management S.A.9,971$991K0.0%N/A0.015%
7/10/2025 Wedmont Private Capital2,650$280K0.0%N/A0.004%
7/9/2025 Harbor Capital Advisors Inc.99,776$9.91M0.4%-9.1%0.148%
7/9/2025 MassMutual Private Wealth & Trust FSB837$83K0.0%+265.5%0.001%
7/8/2025 Parallel Advisors LLC952$95K0.0%+63.9%0.001%
6/18/2025Voya Investment Management LLC9,553$766K0.0%-47.2%0.014%
6/6/2025eCIO Inc.960$77K0.0%N/A0.001%
6/3/2025 Inspire Investing LLC4,317$346K0.0%-63.7%0.006%
5/28/2025Strs Ohio52,894$4.24M0.0%N/A0.078%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC267,421$21.43M0.0%+3.6%0.396%
5/16/2025United Services Automobile Association4,195$342K0.0%N/A0.006%
5/16/2025Great Lakes Advisors LLC42,156$3.38M0.0%-76.2%0.063%
5/16/2025Goldman Sachs Group Inc.232,994$18.67M0.0%-76.3%0.345%
5/16/2025Dynamic Technology Lab Private Ltd11,721$939K0.1%N/A0.017%
5/16/2025Needham Investment Management LLC128,750$10.32M1.0%-0.2%0.191%
5/16/2025NFJ Investment Group LLC60,094$4.82M0.2%+344.5%0.089%
5/16/2025Nissay Asset Management Corp Japan ADV40,366$3.24M0.0%+8.6%0.060%
5/16/2025Millennium Management LLC545,109$43.69M0.0%+132.2%0.808%
5/16/2025Curi RMB Capital LLC24,434$1.96M0.0%-2.5%0.036%
5/16/2025AQR Arbitrage LLC30,200$2.38M0.1%N/A0.045%
5/16/2025AQR Capital Management LLC70,211$5.53M0.0%+19.4%0.104%
5/16/2025Amundi79,492$6.37M0.0%-71.5%0.118%
5/15/2025EP Wealth Advisors LLC3,466$278K0.0%N/A0.005%
5/15/2025Royal Bank of Canada524,837$42.07M0.0%+28.2%0.778%
5/15/2025Quarry LP380$30K0.0%-51.7%0.001%
5/15/2025Nomura Holdings Inc.400,234$32.08M0.1%-4.6%0.593%
5/15/2025Harber Asset Management LLC82,140$6.58M2.3%N/A0.122%
5/15/2025Sculptor Capital LP63,300$5.07M0.1%N/A0.094%
5/15/2025Expect Equity LLC29,610$2.37M2.7%-9.7%0.044%
5/15/2025Aperture Investors LLC205,209$16.45M2.1%-11.2%0.304%
5/15/2025Kodai Capital Management LP708,021$56.75M2.2%+138.3%1.050%
5/15/2025The Manufacturers Life Insurance Company 543,421$43.56M0.0%+10.6%0.806%
5/15/2025Canada Pension Plan Investment Board27,800$2.23M0.0%+12.6%0.041%
5/15/2025Trexquant Investment LP65,961$5.29M0.1%+357.4%0.098%
5/14/2025Truvestments Capital LLC727$58K0.0%-71.6%0.001%
5/14/2025Gamco Investors INC. ET AL8,545$685K0.0%+110.5%0.013%
5/14/2025Gabelli Funds LLC37,386$3.00M0.0%+16.5%0.055%
5/14/2025Keeley Teton Advisors LLC8,712$698K0.1%+36.4%0.013%
5/14/2025Rafferty Asset Management LLC537,469$43.08M0.2%-6.8%0.797%
5/14/2025Corebridge Financial Inc.74,375$5.96M0.0%-2.4%0.110%
5/14/2025Comerica Bank26,914$2.16M0.0%+4.0%0.040%
5/14/2025MetLife Investment Management LLC37,534$3.01M0.0%-1.5%0.056%
5/14/2025Systematic Financial Management LP222,235$17.81M0.5%+1.2%0.329%
5/14/2025Jump Financial LLC15,682$1.26M0.0%N/A0.023%
5/14/2025Channing Capital Management LLC552,960$44.32M1.3%N/A0.820%
5/14/2025Price T Rowe Associates Inc. MD3,515,373$281.76M0.0%+5.2%5.212%
5/14/2025EntryPoint Capital LLC5,304$425K0.2%N/A0.008%
5/14/2025Hsbc Holdings PLC3,052$245K0.0%-35.4%0.005%
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5/14/2025Wellington Management Group LLP3,250,085$260.49M0.1%+41.8%4.819%
5/13/2025Northern Trust Corp634,204$50.83M0.0%+4.2%0.940%
5/13/2025Brooklyn Investment Group799$64K0.0%+1,168.3%0.001%
5/13/2025Roubaix Capital LLC31,531$2.53M1.3%-41.8%0.047%
5/13/2025Raymond James Financial Inc.262,567$21.05M0.0%-3.2%0.389%
5/13/2025 Ethic Inc.17,863$1.43M0.0%+7.2%0.026%
5/13/2025Sei Investments Co.148,065$11.87M0.1%-2.0%0.220%
5/13/2025Kovitz Investment Group Partners LLC2,925$234K0.0%N/A0.004%
5/13/2025Sit Investment Associates Inc.39,125$3.14M0.1%+1.8%0.058%
5/13/2025 Leith Wheeler Investment Counsel Ltd.73,174$5.87M0.4%+1.2%0.108%
(Data available from 1/1/2016 forward)

MKSI Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MKSI shares?

During the previous two years, 414 institutional investors and hedge funds held shares of MKS. The most heavily invested institutionals were BlackRock Inc. ($618.15M), Vanguard Group Inc. ($597.17M), FMR LLC ($440.66M), Carlyle Group Inc. ($376.48M), Capital International Investors ($323.37M), Price T Rowe Associates Inc. MD ($281.76M), and Victory Capital Management Inc. ($271.60M).Learn more on MKS's institutional investors.

What percentage of MKS's stock is owned by institutional investors?

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

Which institutional investors have been buying MKS's stock?

Of the 355 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: Nordea Investment Management AB ($2.34M), Norges Bank ($1.96M), Wellington Management Group LLP ($965.32K), Madison Investment Advisors LLC ($933.94K), Victory Capital Management Inc. ($917.07K), Barclays PLC ($820.60K), and Westfield Capital Management Co. LP ($620.06K).

How much institutional buying is happening at MKS?

Institutional investors have bought a total of 15,121,924 shares in the last 24 months. This purchase volume represents approximately $1.49B in transactions.

Which of MKS's major shareholders have been selling company stock?

Of the 164 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: Wellington Management Group LLP ($1.26M), JPMorgan Chase & Co. ($1.15M), Price T Rowe Associates Inc. MD ($937.21K), Victory Capital Management Inc. ($869.02K), Goldman Sachs Group Inc. ($749.69K), Nordea Investment Management AB ($579.33K), and Balyasny Asset Management L.P. ($224.42K).

How much institutional selling is happening at MKS?

Institutional investors have sold a total of 9,274,603 shares in the last 24 months. This volume of shares sold represents approximately $955.66M in transactions.


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This page (NASDAQ:MKSI) was last updated on 8/2/2025 by MarketBeat.com Staff
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