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MKS (MKSI) Institutional Ownership

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$100.72 +1.36 (+1.37%)
Closing price 04:00 PM Eastern
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$101.27 +0.55 (+0.55%)
As of 04:46 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)
276
Total
Institutional Inflows
(last 12 months)
$1.49B
Number of
Institutional Sellers
(last 12 months)
172
Total
Institutional Outflows
(last 12 months)
$962.22M
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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
6/18/2025Voya Investment Management LLC9,553$766K0.0%-47.2%0.014%
6/6/2025eCIO Inc.960$77K0.0%N/A0.001%
6/3/2025Inspire 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%
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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%
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%
5/13/2025Ethic 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%
5/13/2025Leith Wheeler Investment Counsel Ltd.73,174$5.87M0.4%+1.2%0.108%
5/13/2025Russell Investments Group Ltd.30,985$2.48M0.0%+8.5%0.046%
5/13/2025HighTower Advisors LLC3,589$288K0.0%+22.4%0.005%
5/12/2025Nuveen LLC137,121$10.99M0.0%N/A0.203%
5/12/2025Aigen Investment Management LP11,908$954K0.2%+67.3%0.018%
5/12/2025Invesco Ltd.2,049,563$164.27M0.0%-8.2%3.039%
5/12/2025Mizuho Markets Americas LLC283,706$22.74M0.5%-0.4%0.421%
5/12/2025National Bank of Canada FI5,321$427K0.0%-94.8%0.008%
5/12/2025Citigroup Inc.385,478$30.90M0.0%-20.2%0.572%
5/12/2025Swiss National Bank130,400$10.45M0.0%-1.4%0.193%
5/12/2025Maryland State Retirement & Pension System3,124$250K0.0%-17.9%0.005%
5/9/2025Headlands Technologies LLC26,106$2.09M0.2%+86.3%0.039%
5/9/2025Deutsche Bank AG132,629$10.63M0.0%+1.2%0.197%
5/9/2025Charles Schwab Investment Management Inc.718,239$57.57M0.0%+7.8%1.065%
5/9/2025Vanguard Group Inc.7,450,615$597.17M0.0%+0.1%11.047%
5/9/2025New Age Alpha Advisors LLC1,412$113K0.0%-23.8%0.002%
5/9/2025Argent Trust Co3,350$269K0.0%-6.2%0.005%
5/9/2025Phocas Financial Corp.30,235$2.42M0.4%-5.4%0.045%
5/9/2025Banco Santander S.A.11,499$922K0.0%-40.5%0.017%
5/9/2025OVERSEA CHINESE BANKING Corp Ltd31,903$2.56M0.1%N/A0.047%
5/9/2025PNC Financial Services Group Inc.5,923$475K0.0%-25.9%0.009%
5/8/2025Blueshift Asset Management LLC3,563$286K0.1%N/A0.005%
5/8/2025Commerce Bank4,512$362K0.0%-26.0%0.007%
5/8/2025Jefferies Financial Group Inc.4,053$325K0.0%-96.4%0.006%
5/8/2025Natixis Advisors LLC264,124$21.17M0.0%-6.8%0.392%
5/8/2025XTX Topco Ltd4,588$368K0.0%N/A0.007%
5/8/2025Federated Hermes Inc.83,775$6.72M0.0%+176.9%0.124%
5/7/2025First National Advisers LLC13,670$1.10M0.2%+62.1%0.020%
5/7/2025LPL Financial LLC20,068$1.61M0.0%-20.2%0.030%
5/7/2025Zurcher Kantonalbank Zurich Cantonalbank 17,725$1.42M0.0%+10.2%0.026%
5/6/2025Pacer Advisors Inc.5,093$408K0.0%-67.4%0.008%
5/6/2025Cetera Investment Advisers25,599$2.05M0.0%+9.2%0.038%
5/6/2025Avantax Advisory Services Inc.3,627$291K0.0%+69.2%0.005%
5/6/2025Royce & Associates LP793,244$63.58M0.7%+7.3%1.176%
5/6/2025Madison Asset Management LLC1,428,143$114.47M1.3%+52.9%2.117%
5/6/2025Venturi Wealth Management LLC3,993$320K0.0%+35.4%0.006%
5/6/2025Oak Thistle LLC3,349$268K0.1%+18.6%0.005%
5/6/2025Readystate Asset Management LP63,187$5.06M0.2%+55.5%0.094%
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5/6/2025KLP Kapitalforvaltning AS13,200$1.06M0.0%-4.3%0.020%
5/6/2025Universal Beteiligungs und Servicegesellschaft mbH10,885$872K0.0%N/A0.016%
5/6/2025Y Intercept Hong Kong Ltd4,866$390K0.0%N/A0.007%
5/5/2025Teachers Retirement System of The State of Kentucky40,833$3.27M0.0%+21.7%0.061%
5/5/2025South Dakota Investment Council6,881$552K0.0%-25.1%0.010%
5/5/2025Impact Partnership Wealth LLC2,970$238K0.1%N/A0.004%
5/5/2025Archer Investment Corp3,970$318K0.1%+27.7%0.006%
5/2/2025Cooke & Bieler LP1,038,945$83.27M0.8%+18.5%1.540%
5/2/2025Tributary Capital Management LLC9,115$731K0.1%+4.2%0.014%
5/2/2025Segall Bryant & Hamill LLC92,784$7.44M0.1%+3.0%0.138%
(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, 410 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 349 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), Victory Capital Management Inc. ($1.22M), Wellington Management Group LLP ($965.32K), Madison Investment Advisors LLC ($933.94K), 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 14,932,073 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 172 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), Cooke & Bieler LP ($406.63K), and Balyasny Asset Management L.P. ($224.42K).

How much institutional selling is happening at MKS?

Institutional investors have sold a total of 9,176,370 shares in the last 24 months. This volume of shares sold represents approximately $962.22M in transactions.


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This page (NASDAQ:MKSI) was last updated on 7/1/2025 by MarketBeat.com Staff
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