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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, Q2 2026

Institutional positions in MKS Inc as of Jun 30, 2026. 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
777
+163 vs. Q1 2026
Shares held
70.9M
+1.93M (+2.8%) vs. Q1 2026
Total value
$31.3B
+$15.6B (+98.7%) vs. Q1 2026
New holders
216
242 more added
Sold out
53
254 more reduced

7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 777 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 heldQ2 2026: $31.3B
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, Q2 2026

Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q1 2026.

Institutions holding MKSI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
O'Neil Global Advisors, Inc.3,402$1.51M0.34%+3,402New
Himension Fund3,406$1.51M0.09%+3,406New
Illinois Municipal Retirement Fund3,435$1.53M0.02%+3,435New
Vident Advisory, LLC3,443$1.53M0.01%+115+3.5%Added
Brown Advisory Inc3,455$1.54M0.00%00.0%Unchanged
Maryland State Retirement & Pension System3,488$1.55M0.03%+140+4.2%Added
Utah Retirement Systems3,500$1.56M0.01%−100−2.8%Reduced
K2 Principal Fund, L.P.3,500$1.56M0.14%+3,500New
Sumitomo Mitsui Trust Holdings, Inc.3,502$1.56M0.00%+3,502New
SRS Capital Advisors, Inc.3,537$1.57M0.01%+3,082+677.4%Added
West Michigan Advisors, LLC3,561$1.58M0.30%+185+5.5%Added
Persistent Asset Partners Ltd3,577$1.59M0.50%+3,057+587.9%Added
BCM Advisors, LLC4,903$1.61M0.31%00.0%Unchanged
Securian Asset Management, Inc4,989$1.62M0.06%00.0%Unchanged
MML Investors Services, LLC3,660$1.63M0.00%+1,278+53.7%Added
Oppenheimer Asset Management Inc.3,684$1.64M0.02%+1,543+72.1%Added
Empowered Funds, LLC3,714$1.65M0.01%+312+9.2%Added
Numerai GP LLC3,787$1.68M0.14%+3,787New
Fulton Bank, N.A.3,857$1.72M0.05%+629+19.5%Added
Crossmark Global Holdings, Inc.3,866$1.72M0.02%+24+0.6%Added
Ensign Peak Advisors, Inc3,897$1.73M0.00%−150−3.7%Reduced
O'Shaughnessy Asset Management, LLC3,906$1.74M0.01%−1,265−24.5%Reduced
Atria Investments LLC3,918$1.74M0.02%+795+25.5%Added
Integrated Quantitative Investments LLC3,973$1.77M0.29%+3,973New
Callan Family Office, LLC4,093$1.82M0.04%+86+2.1%Added
Fairvoy Private Wealth, LLC4,108$1.83M0.37%+1,038+33.8%Added
LRT Capital Management, LLC4,111$1.83M1.19%+4,111New
QRG Capital Management, Inc.4,121$1.83M0.02%+285+7.4%Added
Capstone Capital Management Ltd4,123$1.83M0.82%+4,123New
Ellevest, Inc.4,134$1.84M0.22%−660−13.8%Reduced
Coldstream Capital Management Inc4,158$1.85M0.02%−264−6.0%Reduced
Hudson Bay Capital Management LP4,210$1.87M0.01%+4,210New
Graham Capital Management, L.P.4,308$1.92M0.05%+4,308New
D. E. Shaw & Co., Inc.4,325$1.92M0.00%−115,848−96.4%Reduced
Ronald Blue Trust, Inc.4,343$1.93M0.02%+69+1.6%Added
Neville Rodie & Shaw Inc4,360$1.94M0.13%+4,360New
Jane Street Group, LLC4,370$1.94M0.00%−238,883−98.2%Reduced
Engineers Gate Manager LP4,399$1.96M0.03%−15,419−77.8%Reduced
Federation des caisses Desjardins du Quebec4,424$1.97M0.01%+675+18.0%Added
Jackson Creek Investment Advisors LLC6,660$1.98M0.66%+4,439+199.9%Added
Archer Investment Corp4,545$2.02M0.39%−521−10.3%Reduced
CAPROCK Group, Inc.4,561$2.03M0.04%+2,993+190.9%Added
Dean Capital Management4,573$2.03M0.74%−4,571−50.0%Reduced
DnB Asset Management AS4,679$2.08M0.01%+715+18.0%Added
State of Wyoming4,736$2.11M0.21%+1,076+29.4%Added
Rothschild Investment LLC4,743$2.11M0.08%+4,070+604.8%Added
Lisanti Capital Growth, LLC4,789$2.13M0.47%−18,346−79.3%Reduced
Lido Advisors, LLC4,795$2.13M0.01%+866+22.0%Added
Merit Financial Group, LLC4,854$2.16M0.01%+590+13.8%Added
IMC-Chicago, LLC4,960$2.21M0.02%+2,703+119.8%Added
Quadrant Capital Group LLC4,981$2.22M0.06%+379+8.2%Added
Natixis4,991$2.22M0.01%+4,991New
Prescott Group Capital Management, L.L.C.5,000$2.22M0.19%+5,000New
Front Row Advisors LLC7,670$2.26M0.65%−435−5.4%Reduced
Meeder Advisory Services, Inc.5,145$2.29M0.08%+44+0.9%Added
Profund Advisors LLC5,195$2.31M0.06%+703+15.7%Added
Williamson Legacy Group, LLC5,543$2.47M1.22%+5,543New
HighTower Advisors, LLC5,565$2.48M0.00%−6,831−55.1%Reduced
American Century Companies Inc5,567$2.48M0.00%−275,398−98.0%Reduced
Hancock Whitney Corp5,570$2.48M0.04%−29−0.5%Reduced
Hantz Financial Services, Inc.5,634$2.51M0.03%−7,049−55.6%Reduced
Advisor Group Holdings, Inc.5,732$2.55M0.00%+300+5.5%Added
Swiss Life Asset Management Ltd5,760$2.56M0.01%+250+4.5%Added
WCM Investment Management, LLC6,174$2.57M0.00%−5,946−49.1%Reduced
Simplex Trading, LLC5,931$2.64M0.07%+5,931New
Hanson & Doremus Investment Management5,933$2.64M0.27%−920−13.4%Reduced
Cornerstone Investment Partners, LLC6,002$2.67M0.09%−3,411−36.2%Reduced
Caxton Associates LLP6,083$2.71M0.05%−1,934−24.1%Reduced
Panagora Asset Management Inc6,173$2.75M0.01%+3,998+183.8%Added
J.W. Cole Advisors, Inc.6,190$2.75M0.05%−1,148−15.6%Reduced
Winton Group Ltd6,203$2.76M0.09%+4,603+287.7%Added
Commerce Bank6,224$2.77M0.01%+1,462+30.7%Added
Atlas Capital Advisors LLC6,347$2.82M0.31%+338+5.6%Added
TD Asset Management Inc6,382$2.84M0.00%+6,382New
Trexquant Investment LP6,394$2.84M0.02%+6,394New
Tower Research Capital LLC (TRC)6,591$2.93M0.07%+4,190+174.5%Added
Wiley Bros.-Aintree Capital, LLC6,473$2.94M0.01%−640−9.0%Reduced
State of Alaska, Department of Revenue6,619$2.94M0.03%−92−1.4%Reduced
Mitsubishi UFJ Trust & Banking Corp6,692$2.98M0.01%−280−4.0%Reduced
Commonwealth Equity Services, LLC6,698$2.98M0.00%+1,949+41.0%Added
GWM Advisors LLC6,724$2.99M0.01%+1,144+20.5%Added
Pinpoint Asset Management (Singapore) Pte. Ltd.6,761$3.01M0.61%+1,935+40.1%Added
US Bancorp6,770$3.01M0.00%+383+6.0%Added
Captrust Financial Advisors6,821$3.03M0.00%+1,176+20.8%Added
Guardian Capital LP6,977$3.10M0.08%+6,977New
Brookstone Capital Management7,030$3.13M0.03%+7,030New
Florida Financial Advisors, LLC7,033$3.13M0.53%+7,033New
Man Group plc7,234$3.22M0.01%−4,098−36.2%Reduced
Holocene Advisors, LP7,287$3.24M0.01%+7,287New
ProShare Advisors LLC7,295$3.24M0.00%−1,441−16.5%Reduced
Prelude Capital Management, LLC7,499$3.34M0.24%−857−10.3%Reduced
Quantbot Technologies LP7,715$3.43M0.14%+2,159+38.9%Added
Sanctuary Advisors, LLC7,897$3.51M0.02%+555+7.6%Added
Vise Technologies, Inc.8,211$3.65M0.04%+2,904+54.7%Added
Linden Thomas Advisory Services, LLC8,267$3.68M0.30%−9−0.1%Reduced
Oribel Capital Management, LP8,300$3.69M0.31%+8,300New
Great Lakes Advisors, LLC8,367$3.72M0.03%−4,131−33.1%Reduced
New York Life Investment Management LLC8,385$3.73M0.03%+81+1.0%Added
Nishkama Capital, LLC8,600$3.83M0.43%+8,600New
Janney Montgomery Scott LLC8,700$3.87M0.01%+50+0.6%Added