Skip to main content

MKS Inc

MKSI
Exchange
Nasdaq
Industry
Industrial Instruments For Measurement, Display, and Control
SEC CIK
0001049502

In the last 90 days, MKS Inc insiders filed 0 open-market purchases and 3 sales; 777 institutions reported holding it in 13F filings for Q2 2026, worth $31.3B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q3 2025

Institutional positions in MKS Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
435
+43 vs. Q2 2025
Shares held
72.0M
−1.77M (−2.4%) vs. Q2 2025
Total value
$8.91B
+$1.58B (+21.6%) vs. Q2 2025
New holders
79
147 more added
Sold out
36
142 more reduced

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MKSI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 435 institutions
Q1 2021: 351 institutionsQ2 2021: 376 institutionsQ3 2021: 376 institutionsQ4 2021: 405 institutionsQ1 2022: 399 institutionsQ2 2022: 375 institutionsQ3 2022: 358 institutionsQ4 2022: 316 institutionsQ1 2023: 325 institutionsQ2 2023: 320 institutionsQ3 2023: 324 institutionsQ4 2023: 325 institutionsQ1 2024: 343 institutionsQ2 2024: 397 institutionsQ3 2024: 410 institutionsQ4 2024: 420 institutionsQ1 2025: 397 institutionsQ2 2025: 396 institutionsQ3 2025: 435 institutionsQ4 2025: 516 institutionsQ1 2026: 621 institutionsQ2 2026: 777 institutions
Value heldQ3 2025: $8.91B
Q1 2021: $9.83BQ2 2021: $9.28BQ3 2021: $7.93BQ4 2021: $9.34BQ1 2022: $8.06BQ2 2022: $5.46BQ3 2022: $4.84BQ4 2022: $5.74BQ1 2023: $5.94BQ2 2023: $7.32BQ3 2023: $5.80BQ4 2023: $6.88BQ1 2024: $9.16BQ2 2024: $9.02BQ3 2024: $7.37BQ4 2024: $7.36BQ1 2025: $5.73BQ2 2025: $7.42BQ3 2025: $8.91BQ4 2025: $11.3BQ1 2026: $15.8BQ2 2026: $31.3B
Institutions holding MKSI and their total value by quarter
QuarterHoldersValue
Q2 2026777$31.3B
Q1 2026621$15.8B
Q4 2025516$11.3B
Q3 2025435$8.91B
Q2 2025396$7.42B
Q1 2025397$5.73B
Q4 2024420$7.36B
Q3 2024410$7.37B
Q2 2024397$9.02B
Q1 2024343$9.16B
Q4 2023325$6.88B
Q3 2023324$5.80B
Q2 2023320$7.32B
Q1 2023325$5.94B
Q4 2022316$5.74B
Q3 2022358$4.84B
Q2 2022375$5.46B
Q1 2022399$8.06B
Q4 2021405$9.34B
Q3 2021376$7.93B
Q2 2021376$9.28B
Q1 2021351$9.83B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q2 2025.

Institutions holding MKSI in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of America Corp427,998$53.0M0.00%−554,645−56.4%Reduced
Millennium Management LLC446,248$55.2M0.04%+441,432+9,165.9%Added
Natixis Advisors, L.P.481,168$59.6M0.09%−93,009−16.2%Reduced
Northern Trust Corp591,899$73.3M0.01%−14,979−2.5%Reduced
Summit Partners Public Asset Management, LLC596,132$73.8M2.40%+163,979+37.9%Added
Bank of New York Mellon Corp651,129$80.6M0.01%+47,564+7.9%Added
Morgan Stanley652,611$80.8M0.00%+56,186+9.4%Added
UBS Group AG653,843$80.9M0.02%−487,250−42.7%Reduced
JPMorgan Chase & Co664,596$82.3M0.01%−272,324−29.1%Reduced
Royal Bank of Canada679,796$84.1M0.01%−93,170−12.1%Reduced
Channing Capital Management, LLC744,162$92.1M2.43%−247,136−24.9%Reduced
Principal Financial Group Inc818,746$101.3M0.05%−33,890−4.0%Reduced
Manufacturers Life Insurance Company, The823,196$101.9M0.08%+300,664+57.5%Added
Royce & Associates LP827,127$102.4M1.02%−87,984−9.6%Reduced
Charles Schwab Investment Management Inc846,305$104.7M0.02%+55,649+7.0%Added
Balyasny Asset Management LLC850,245$105.2M0.21%+117,563+16.0%Added
Madison Asset Management, LLC976,091$120.8M1.33%−487,592−33.3%Reduced
Point72 Asset Management, L.P.1,013,553$125.4M0.27%+1,013,553New
Frontier Capital Management Co LLC1,080,763$133.8M1.20%+168,383+18.5%Added
Geode Capital Management, LLC1,248,498$154.6M0.01%−9,610−0.8%Reduced
Dimensional Fund Advisors LP1,265,365$156.6M0.03%+297,850+30.8%Added
Cooke & Bieler LP1,321,877$163.6M1.69%+94,692+7.7%Added
Franklin Resources Inc1,408,953$174.4M0.04%+1,130,242+405.5%Added
Nordea Investment Management AB1,596,444$195.9M0.17%−97,506−5.8%Reduced
Neuberger Berman Group LLC1,634,796$202.3M0.15%−253,825−13.4%Reduced
State Street Corp2,043,957$253.0M0.01%−13,728−0.7%Reduced
Invesco Ltd.2,383,366$295.0M0.05%+446,822+23.1%Added
Wellington Management Group LLP3,013,795$373.0M0.07%+14,341+0.5%Added
Capital International Investors3,254,663$402.8M0.07%+2,077+0.1%Added
FMR LLC3,443,264$426.2M0.02%−386,112−10.1%Reduced
Victory Capital Management Inc3,582,216$443.4M0.28%−283,966−7.3%Reduced
Price T Rowe Associates Inc3,633,019$449.7M0.05%−496,109−12.0%Reduced
BlackRock, Inc.6,123,329$757.9M0.01%−1,193,234−16.3%Reduced
Vanguard Group Inc7,752,097$959.5M0.01%+295,480+4.0%Added
Summit Wealth Group LLC331––+331New
Rafferty Asset Management, LLC0$00.00%−878,114−100.0%Sold out
Freestone Grove Partners LP0$00.00%−413,764−100.0%Sold out
Shellback Capital, LP0$00.00%−178,610−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−96,288−100.0%Sold out
Sculptor Capital LP0$00.00%−60,000−100.0%Sold out
AXA S.A.0$00.00%−29,253−100.0%Sold out
Hilton Capital Management, LLC0$00.00%−22,306−100.0%Sold out
XTX Topco Ltd0$00.00%−19,497−100.0%Sold out
Capital Fund Management S.A.0$00.00%−16,915−100.0%Sold out
Holocene Advisors, LP0$00.00%−15,756−100.0%Sold out
Vestcor Inc0$00.00%−10,814−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−9,971−100.0%Sold out
Squarepoint Ops LLC0$00.00%−9,624−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−9,546−100.0%Sold out
Entropy Technologies, LP0$00.00%−7,371−100.0%Sold out
MKT Advisors LLC0$00.00%−6,000−100.0%Sold out
Illinois Municipal Retirement Fund0$00.00%−5,548−100.0%Sold out
Altfest L J & Co Inc0$00.00%−5,100−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−4,482−100.0%Sold out
Aigen Investment Management, LP0$00.00%−3,434−100.0%Sold out
Vestmark Advisory Solutions, Inc.0$00.00%−3,070−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−2,259−100.0%Sold out
Net Worth Advisory Group0$00.00%−2,253−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−229−100.0%Sold out
Optiver Holding B.V.0$00.00%−173−100.0%Sold out
NewSquare Capital LLC0$00.00%−129−100.0%Sold out
Cullen/Frost Bankers, Inc.0$00.00%−105−100.0%Sold out
Ancora Advisors, LLC0$00.00%−101−100.0%Sold out
Transce3nd, LLC0$00.00%−89−100.0%Sold out
High Note Wealth, LLC0$00.00%−24−100.0%Sold out
Central Trust Co0$00.00%−22−100.0%Sold out
Natixis0$00.00%−17−100.0%Sold out
WealthTrak Capital Management LLC0$00.00%−13−100.0%Sold out
Newbridge Financial Services Group, Inc.0$00.00%−10−100.0%Sold out
Arlington Trust Co LLC0$00.00%−6−100.0%Sold out
Rakuten Securities, Inc.0$00.00%−3−100.0%Sold out
Norges Bank––––Not filed
Congress Wealth Management LLC––––Not filed
EP Wealth Advisors, LLC––––Not filed
Capital A Wealth Management, LLC––––Not filed