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MKS (MKSI) Institutional Ownership

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$116.38 +1.28 (+1.11%)
Closing price 09/15/2025 04:00 PM Eastern
Extended Trading
$116.25 -0.13 (-0.11%)
As of 09/15/2025 07:48 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)
301
Total
Institutional Inflows
(last 12 months)
$1.84B
Number of
Institutional Sellers
(last 12 months)
167
Total
Institutional Outflows
(last 12 months)
$935.41M
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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
8/27/2025 Orion Porfolio Solutions LLC17,968$1.79M0.0%+35.1%0.027%
8/27/2025 Squarepoint Ops LLC9,624$956K0.0%N/A0.014%
8/19/2025 State of Wyoming2,968$295K0.0%N/A0.004%
8/18/2025 Nomura Holdings Inc.102,314$10.17M0.0%-74.4%0.152%
8/18/2025 Geneos Wealth Management Inc.652$65K0.0%+65.1%0.001%
8/18/2025 Front Row Advisors LLC7,765$772K0.3%-3.8%0.012%
8/16/2025 Evergreen Capital Management LLC2,259$224K0.0%N/A0.003%
8/15/2025 CANADA LIFE ASSURANCE Co55,559$5.52M0.0%-0.5%0.083%
8/15/2025 Tower Research Capital LLC TRC 4,620$459K0.0%-29.5%0.007%
8/15/2025 Corient Private Wealth LLC6,816$677K0.0%-84.7%0.010%
8/15/2025 Captrust Financial Advisors4,303$428K0.0%-52.5%0.006%
8/15/2025 Tidal Investments LLC23,986$2.38M0.0%+12.7%0.036%
8/15/2025 Sculptor Capital LP60,000$5.96M0.1%-5.2%0.089%
8/15/2025 Shellback Capital LP178,610$17.75M1.2%N/A0.266%
8/15/2025 Rafferty Asset Management LLC878,114$87.25M0.3%+63.4%1.307%
8/15/2025 Orion Porfolio Solutions LLC192,019$19.08M0.1%+1,344.0%0.286%
8/15/2025 Harvey Partners LLC269,599$26.79M2.6%+3.3%0.401%
8/15/2025 Hilton Capital Management LLC22,306$2.22M0.2%+10.7%0.033%
8/15/2025 Holocene Advisors LP15,756$1.57M0.0%-55.9%0.023%
8/15/2025 EP Wealth Advisors LLC3,620$360K0.0%+4.4%0.005%
8/15/2025 Brevan Howard Capital Management LP2,202$219K0.0%N/A0.003%
8/15/2025 Blue Grotto Capital LLC187,151$18.60M2.2%-47.3%0.279%
8/15/2025 Balyasny Asset Management L.P.732,682$72.80M0.1%+48.1%1.091%
8/15/2025 Bank of America Corp DE982,643$97.64M0.0%+44.2%1.463%
8/15/2025 Ameriprise Financial Inc.199,390$19.81M0.0%+28.5%0.297%
8/15/2025 AQR Capital Management LLC185,047$18.39M0.0%+163.6%0.276%
8/14/2025 Glenview Capital Management LLC232,296$23.08M0.6%N/A0.346%
8/14/2025 Raymond James Financial Inc.169,905$16.88M0.0%-35.3%0.253%
8/14/2025 Canada Pension Plan Investment Board13,600$1.35M0.0%-51.1%0.020%
8/14/2025 Bayesian Capital Management LP9,659$960K0.2%N/A0.014%
8/14/2025 Quantinno Capital Management LP121,027$12.03M0.1%+221.8%0.180%
8/14/2025 Globeflex Capital L P32,851$3.26M0.3%+14.7%0.049%
8/14/2025 Treasurer of the State of North Carolina31,382$3.12M0.0%+2.6%0.047%
8/14/2025 The Manufacturers Life Insurance Company 522,532$51.92M0.0%-3.8%0.778%
8/14/2025 Squarepoint Ops LLC9,624$956K0.0%N/A0.014%
8/14/2025 Frontier Capital Management Co. LLC912,380$90.65M0.8%+146.4%1.359%
8/14/2025 AXA S.A.29,253$2.91M0.0%+22.8%0.044%
8/14/2025 California Public Employees Retirement System108,576$10.79M0.0%-58.1%0.162%
8/14/2025 Cerity Partners LLC16,864$1.68M0.0%N/A0.025%
8/14/2025 Federated Hermes Inc.115,590$11.49M0.0%+38.0%0.172%
8/13/2025 Gabelli Funds LLC45,326$4.50M0.0%+21.2%0.067%
8/13/2025 GABELLI & Co INVESTMENT ADVISERS INC.2,220$221K0.0%N/A0.003%
8/13/2025 Amundi63,039$6.60M0.0%-20.7%0.094%
8/13/2025 First Trust Advisors LP141,267$14.04M0.0%+3,545.6%0.210%
8/13/2025 Kennedy Capital Management LLC185,588$18.44M0.4%-1.7%0.276%
8/13/2025 Guggenheim Capital LLC10,006$994K0.0%-7.2%0.015%
8/13/2025 EverSource Wealth Advisors LLC838$83K0.0%+63.4%0.001%
8/13/2025 Channing Capital Management LLC991,298$98.50M2.7%+79.3%1.476%
8/13/2025 Systematic Financial Management LP233,181$23.17M0.6%+4.9%0.347%
8/13/2025 CW Advisors LLC7,076$703K0.0%N/A0.011%
8/13/2025 M&T Bank Corp26,049$2.59M0.0%+37.9%0.039%
8/13/2025 Claret Asset Management Corp2,320$231K0.0%N/A0.003%
8/13/2025 Shelton Capital Management2,387$237K0.0%N/A0.004%
8/13/2025 Icon Advisers Inc. Co.14,500$1.44M0.3%N/A0.022%
8/13/2025 Lido Advisors LLC3,528$351K0.0%N/A0.005%
8/13/2025 First National Advisers LLC2,893$287K0.0%-78.8%0.004%
8/13/2025 New York State Common Retirement Fund271,340$26.96M0.0%+63.0%0.404%
8/13/2025 Neuberger Berman Group LLC1,888,621$187.65M0.1%-2.8%2.812%
8/13/2025 Norges Bank859,406$85.39M0.0%N/A1.280%
8/13/2025 Hsbc Holdings PLC6,435$640K0.0%+110.8%0.010%
8/13/2025 Capital Fund Management S.A.16,915$1.68M0.0%N/A0.025%
8/13/2025 State Board of Administration of Florida Retirement System54,730$5.44M0.0%+0.8%0.081%
8/13/2025 Quadrant Capital Group LLC4,272$424K0.0%-4.9%0.006%
8/12/2025 XTX Topco Ltd19,497$1.94M0.1%+325.0%0.029%
8/12/2025 Ameritas Investment Partners Inc.13,023$1.29M0.0%-1.6%0.019%
8/12/2025 Prudential Financial Inc.58,933$5.86M0.0%+13.1%0.088%
8/12/2025 Coldstream Capital Management Inc.5,025$499K0.0%+6.6%0.007%
8/12/2025 Charles Schwab Investment Management Inc.790,656$78.56M0.0%+10.1%1.177%
8/12/2025 Rhumbline Advisers186,625$18.54M0.0%-0.6%0.278%
8/12/2025 Journey Strategic Wealth LLC6,277$624K0.0%N/A0.009%
8/12/2025 Legal & General Group Plc108,286$10.76M0.0%+3.0%0.161%
8/12/2025 MAI Capital Management956$95K0.0%+12.5%0.001%
8/12/2025 Entropy Technologies LP7,371$732K0.1%N/A0.011%
8/12/2025 Swiss National Bank128,800$12.80M0.0%-1.2%0.192%
8/12/2025 Handelsbanken Fonder AB17,600$1.75M0.0%-1.7%0.026%
8/12/2025 Ensign Peak Advisors Inc16,797$1.67M0.0%-14.1%0.025%
8/11/2025 Universal Beteiligungs und Servicegesellschaft mbH8,543$849K0.0%-21.5%0.013%
8/8/2025 Cetera Investment Advisers24,367$2.42M0.0%-4.8%0.036%
8/8/2025 SG Americas Securities LLC3,250$323K0.0%-7.6%0.005%
8/8/2025 Creative Planning44,693$4.44M0.0%+30.7%0.066%
8/8/2025 Commonwealth of Pennsylvania Public School Empls Retrmt SYS17,233$1.71M0.0%+7.1%0.026%
8/8/2025 Old West Investment Management LLC6,794$675K0.2%N/A0.010%
8/8/2025 Police & Firemen s Retirement System of New Jersey25,404$2.52M0.0%+5.0%0.038%
8/8/2025 Geode Capital Management LLC1,258,108$125.03M0.0%+2.9%1.865%
8/8/2025 PNC Financial Services Group Inc.8,897$884K0.0%+50.2%0.013%
8/8/2025 KBC Group NV1,788$178K0.0%-42.0%0.003%
8/7/2025 Leith Wheeler Investment Counsel Ltd.71,288$7.08M0.5%-2.6%0.106%
8/7/2025 Vise Technologies Inc.4,127$410K0.0%N/A0.006%
8/7/2025 ProShare Advisors LLC10,964$1.09M0.0%+1.1%0.016%
8/7/2025 Profund Advisors LLC4,594$456K0.0%-3.7%0.007%
8/6/2025 Summit Investment Advisors Inc.13,241$1.06M0.9%-1.8%0.020%
8/6/2025 Penserra Capital Management LLC206,461$20.51M0.3%+43.4%0.306%
8/6/2025 Cornerstone Investment Partners LLC9,020$896K0.0%+38.6%0.013%
8/6/2025 Vestmark Advisory Solutions Inc.3,070$305K0.0%N/A0.005%
8/6/2025 Cetera Trust Company N.A2,915$290K0.2%+15.4%0.004%
8/6/2025 Andra AP fonden4,667$464K0.0%-68.0%0.007%
8/6/2025 Atlantic Union Bankshares Corp462$46K0.0%N/A0.001%
8/6/2025 Phocas Financial Corp.71,851$7.14M1.0%+137.6%0.107%
8/6/2025 BNP PARIBAS ASSET MANAGEMENT Holding S.A.646$64K0.0%N/A0.001%
8/5/2025 Wellington Shields Capital Management LLC55,119$5.48M0.9%N/A0.082%
(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, 430 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 372 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 Barclays PLC ($675.61K).

How much institutional buying is happening at MKS?

Institutional investors have bought a total of 18,843,667 shares in the last 24 months. This purchase volume represents approximately $1.84B in transactions.

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

Of the 167 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 9,340,539 shares in the last 24 months. This volume of shares sold represents approximately $935.41M in transactions.


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This page (NASDAQ:MKSI) was last updated on 9/16/2025 by MarketBeat.com Staff
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