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MKS (MKSI) Institutional Ownership

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$136.52 -1.23 (-0.89%)
Closing price 10/17/2025 04:00 PM Eastern
Extended Trading
$136.42 -0.11 (-0.08%)
As of 10/17/2025 05:51 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)
300
Total
Institutional Inflows
(last 12 months)
$1.81B
Number of
Institutional Sellers
(last 12 months)
169
Total
Institutional Outflows
(last 12 months)
$948.85M
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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
10/17/2025Ethic Inc.13,722$1.70M0.0%-38.5%0.020%
10/16/2025 Blue Trust Inc.4,045$501K0.0%+3.5%0.006%
10/15/2025 CWM LLC6,689$828K0.0%+8.7%0.010%
10/15/2025 Pacer Advisors Inc.12,007$1.49M0.0%+234.1%0.018%
10/15/2025 Inspire Investing LLC3,681$456K0.0%-6.4%0.005%
10/15/2025 Harbor Capital Advisors Inc.23,731$2.94M0.2%-76.2%0.035%
10/15/2025 World Investment Advisors1,618$200K0.0%N/A0.002%
10/15/2025 Hanson & Doremus Investment Management6,005$743K0.1%-3.2%0.009%
10/15/2025 DAVENPORT & Co LLC1,964$241K0.0%-8.3%0.003%
10/14/2025 Yousif Capital Management LLC21,120$2.61M0.0%-6.2%0.031%
10/14/2025 Brighton Jones LLC3,462$428K0.0%+2.4%0.005%
10/8/2025 Wedmont Private Capital2,853$368K0.0%+7.7%0.004%
10/7/2025 Oak Thistle LLC1,737$215K0.0%N/A0.003%
10/6/2025 Steph & Co.553$68K0.0%+30.4%0.001%
10/3/2025 Aaron Wealth Advisors LLC4,480$554K0.0%N/A0.007%
9/26/2025Corient Private Wealth LLC13,627$1.35M0.0%-69.4%0.020%
9/24/2025Texas Permanent School Fund Corp34,638$3.44M0.0%+7.4%0.052%
8/27/2025Orion Porfolio Solutions LLC17,968$1.79M0.0%+35.1%0.027%
8/27/2025Squarepoint Ops LLC9,624$956K0.0%N/A0.014%
8/19/2025State of Wyoming2,968$295K0.0%N/A0.004%
8/18/2025Nomura Holdings Inc.102,314$10.17M0.0%-74.4%0.152%
8/18/2025Geneos Wealth Management Inc.652$65K0.0%+65.1%0.001%
8/18/2025Front Row Advisors LLC7,765$772K0.3%-3.8%0.012%
8/16/2025Evergreen Capital Management LLC2,259$224K0.0%N/A0.003%
8/15/2025CANADA LIFE ASSURANCE Co55,559$5.52M0.0%-0.5%0.083%
8/15/2025Tower Research Capital LLC TRC 4,620$459K0.0%-29.5%0.007%
8/15/2025Corient Private Wealth LLC6,816$677K0.0%-84.7%0.010%
8/15/2025Captrust Financial Advisors4,303$428K0.0%-52.5%0.006%
8/15/2025Tidal Investments LLC23,986$2.38M0.0%+12.7%0.036%
8/15/2025Sculptor Capital LP60,000$5.96M0.1%-5.2%0.089%
8/15/2025Shellback Capital LP178,610$17.75M1.2%N/A0.266%
8/15/2025Rafferty Asset Management LLC878,114$87.25M0.3%+63.4%1.307%
8/15/2025Orion Porfolio Solutions LLC192,019$19.08M0.1%+1,344.0%0.286%
8/15/2025Harvey Partners LLC269,599$26.79M2.6%+3.3%0.401%
8/15/2025Hilton Capital Management LLC22,306$2.22M0.2%+10.7%0.033%
8/15/2025Holocene Advisors LP15,756$1.57M0.0%-55.9%0.023%
8/15/2025EP Wealth Advisors LLC3,620$360K0.0%+4.4%0.005%
8/15/2025Brevan Howard Capital Management LP2,202$219K0.0%N/A0.003%
8/15/2025Blue Grotto Capital LLC187,151$18.60M2.2%-47.3%0.279%
8/15/2025Balyasny Asset Management L.P.732,682$72.80M0.1%+48.1%1.091%
8/15/2025Bank of America Corp DE982,643$97.64M0.0%+44.2%1.463%
8/15/2025Ameriprise Financial Inc.199,390$19.81M0.0%+28.5%0.297%
8/15/2025AQR Capital Management LLC185,047$18.39M0.0%+163.6%0.276%
8/14/2025Glenview Capital Management LLC232,296$23.08M0.6%N/A0.346%
8/14/2025Raymond James Financial Inc.169,905$16.88M0.0%-35.3%0.253%
8/14/2025Canada Pension Plan Investment Board13,600$1.35M0.0%-51.1%0.020%
8/14/2025Bayesian Capital Management LP9,659$960K0.2%N/A0.014%
8/14/2025Quantinno Capital Management LP121,027$12.03M0.1%+221.8%0.180%
8/14/2025Globeflex Capital L P32,851$3.26M0.3%+14.7%0.049%
8/14/2025Treasurer of the State of North Carolina31,382$3.12M0.0%+2.6%0.047%
8/14/2025The Manufacturers Life Insurance Company 522,532$51.92M0.0%-3.8%0.778%
8/14/2025Squarepoint Ops LLC9,624$956K0.0%N/A0.014%
8/14/2025Frontier Capital Management Co. LLC912,380$90.65M0.8%+146.4%1.359%
8/14/2025AXA S.A.29,253$2.91M0.0%+22.8%0.044%
8/14/2025California Public Employees Retirement System108,576$10.79M0.0%-58.1%0.162%
8/14/2025Cerity Partners LLC16,864$1.68M0.0%N/A0.025%
8/14/2025Federated Hermes Inc.115,590$11.49M0.0%+38.0%0.172%
8/13/2025Gabelli Funds LLC45,326$4.50M0.0%+21.2%0.067%
8/13/2025GABELLI & Co INVESTMENT ADVISERS INC.2,220$221K0.0%N/A0.003%
8/13/2025Amundi63,039$6.60M0.0%-20.7%0.094%
8/13/2025First Trust Advisors LP141,267$14.04M0.0%+3,545.6%0.210%
8/13/2025Kennedy Capital Management LLC185,588$18.44M0.4%-1.7%0.276%
8/13/2025Guggenheim Capital LLC10,006$994K0.0%-7.2%0.015%
8/13/2025EverSource Wealth Advisors LLC838$83K0.0%+63.4%0.001%
8/13/2025Channing Capital Management LLC991,298$98.50M2.7%+79.3%1.476%
8/13/2025Systematic Financial Management LP233,181$23.17M0.6%+4.9%0.347%
8/13/2025CW Advisors LLC7,076$703K0.0%N/A0.011%
8/13/2025M&T Bank Corp26,049$2.59M0.0%+37.9%0.039%
8/13/2025Claret Asset Management Corp2,320$231K0.0%N/A0.003%
8/13/2025Shelton Capital Management2,387$237K0.0%N/A0.004%
8/13/2025Icon Advisers Inc. Co.14,500$1.44M0.3%N/A0.022%
8/13/2025Lido Advisors LLC3,528$351K0.0%N/A0.005%
8/13/2025First National Advisers LLC2,893$287K0.0%-78.8%0.004%
8/13/2025New York State Common Retirement Fund271,340$26.96M0.0%+63.0%0.404%
8/13/2025Neuberger Berman Group LLC1,888,621$187.65M0.1%-2.8%2.812%
8/13/2025Norges Bank859,406$85.39M0.0%N/A1.280%
8/13/2025Hsbc Holdings PLC6,435$640K0.0%+110.8%0.010%
8/13/2025Capital Fund Management S.A.16,915$1.68M0.0%N/A0.025%
8/13/2025State Board of Administration of Florida Retirement System54,730$5.44M0.0%+0.8%0.081%
8/13/2025Quadrant Capital Group LLC4,272$424K0.0%-4.9%0.006%
8/12/2025XTX Topco Ltd19,497$1.94M0.1%+325.0%0.029%
8/12/2025Ameritas Investment Partners Inc.13,023$1.29M0.0%-1.6%0.019%
8/12/2025Prudential Financial Inc.58,933$5.86M0.0%+13.1%0.088%
8/12/2025Coldstream Capital Management Inc.5,025$499K0.0%+6.6%0.007%
8/12/2025Charles Schwab Investment Management Inc.790,656$78.56M0.0%+10.1%1.177%
8/12/2025Rhumbline Advisers186,625$18.54M0.0%-0.6%0.278%
8/12/2025Journey Strategic Wealth LLC6,277$624K0.0%N/A0.009%
8/12/2025Legal & General Group Plc108,286$10.76M0.0%+3.0%0.161%
8/12/2025MAI Capital Management956$95K0.0%+12.5%0.001%
8/12/2025Entropy Technologies LP7,371$732K0.1%N/A0.011%
8/12/2025Swiss National Bank128,800$12.80M0.0%-1.2%0.192%
8/12/2025Handelsbanken Fonder AB17,600$1.75M0.0%-1.7%0.026%
8/12/2025Ensign Peak Advisors Inc16,797$1.67M0.0%-14.1%0.025%
8/11/2025Universal Beteiligungs und Servicegesellschaft mbH8,543$849K0.0%-21.5%0.013%
8/8/2025Cetera Investment Advisers24,367$2.42M0.0%-4.8%0.036%
8/8/2025SG Americas Securities LLC3,250$323K0.0%-7.6%0.005%
8/8/2025Creative Planning44,693$4.44M0.0%+30.7%0.066%
8/8/2025Commonwealth of Pennsylvania Public School Empls Retrmt SYS17,233$1.71M0.0%+7.1%0.026%
8/8/2025Old West Investment Management LLC6,794$675K0.2%N/A0.010%
8/8/2025Police & Firemen s Retirement System of New Jersey25,404$2.52M0.0%+5.0%0.038%
(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, 432 institutional investors and hedge funds held shares of MKS. The most heavily invested institutionals were Vanguard Group Inc. ($597.17M), FMR LLC ($440.66M), Capital International Investors ($323.37M), Price T Rowe Associates Inc. MD ($281.76M), Victory Capital Management Inc. ($271.60M), Wellington Management Group LLP ($260.49M), and State Street Corp ($212.52M).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 374 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 ($2.82M), Nordea Investment Management AB ($2.34M), Channing Capital Management LLC ($1.05M), Wellington Management Group LLP ($965.32K), Madison Investment Advisors LLC ($933.94K), Victory Capital Management Inc. ($917.07K), and Frontier Capital Management Co. LLC ($638.66K).

How much institutional buying is happening at MKS?

Institutional investors have bought a total of 18,619,204 shares in the last 24 months. This purchase volume represents approximately $1.81B in transactions.

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

Of the 169 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), Goldman Sachs Group Inc. ($749.69K), Nordea Investment Management AB ($579.33K), Nomura Holdings Inc. ($317.03K), and Victory Capital Management Inc. ($253.31K).

How much institutional selling is happening at MKS?

Institutional investors have sold a total of 9,454,859 shares in the last 24 months. This volume of shares sold represents approximately $948.85M in transactions.


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This page (NASDAQ:MKSI) was last updated on 10/20/2025 by MarketBeat.com Staff
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