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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 2025

Institutional positions in MKS Inc as of Jun 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
396
+4 vs. Q1 2025
Shares held
74.6M
+3.82M (+5.4%) vs. Q1 2025
Total value
$7.42B
+$1.74B (+30.7%) vs. Q1 2025
New holders
75
153 more added
Sold out
71
133 more reduced

5 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 396 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 2025: $7.42B
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 2025

Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q1 2025.

Institutions holding MKSI in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc7,456,617$740.9M0.01%+6,002+0.1%Added
BlackRock, Inc.7,316,563$727.0M0.01%+249,856+3.5%Added
Price T Rowe Associates Inc4,129,128$410.3M0.05%+613,755+17.5%Added
Victory Capital Management Inc3,866,182$384.2M0.25%+477,543+14.1%Added
FMR LLC3,829,376$380.5M0.02%−215,179−5.3%Reduced
Capital International Investors3,252,586$323.2M0.06%+153,587+5.0%Added
Wellington Management Group LLP2,999,454$298.0M0.05%−250,631−7.7%Reduced
State Street Corp2,057,685$204.5M0.01%−25,027−1.2%Reduced
Invesco Ltd.1,936,544$192.4M0.03%−113,019−5.5%Reduced
Neuberger Berman Group LLC1,888,621$187.7M0.14%−55,318−2.8%Reduced
Nordea Investment Management AB1,693,950$167.7M0.16%−579,333−25.5%Reduced
Madison Asset Management, LLC1,463,683$145.4M1.57%+35,540+2.5%Added
Geode Capital Management, LLC1,258,108$125.0M0.01%+35,065+2.9%Added
Cooke & Bieler LP1,227,185$121.9M1.22%+188,240+18.1%Added
UBS Group AG1,141,093$113.4M0.02%+333,240+41.3%Added
Barclays PLC1,067,197$106.0M0.04%+356,285+50.1%Added
Channing Capital Management, LLC991,298$98.5M2.74%+438,338+79.3%Added
Bank of America Corp982,643$97.6M0.01%+301,223+44.2%Added
Dimensional Fund Advisors LP967,515$96.1M0.02%+88,834+10.1%Added
JPMorgan Chase & Co936,920$93.1M0.01%+482,862+106.3%Added
Royce & Associates LP915,111$90.9M0.93%+121,867+15.4%Added
Frontier Capital Management Co LLC912,380$90.7M0.84%+542,094+146.4%Added
Rafferty Asset Management, LLC878,114$87.2M0.29%+340,645+63.4%Added
Norges Bank859,406$85.4M0.01%−45,096−5.0%Reduced
Principal Financial Group Inc852,636$84.7M0.04%+17,441+2.1%Added
Charles Schwab Investment Management Inc790,656$78.6M0.01%+72,417+10.1%Added
Royal Bank of Canada772,966$76.8M0.01%+248,129+47.3%Added
Balyasny Asset Management LLC732,682$72.8M0.17%+238,099+48.1%Added
Northern Trust Corp606,878$60.3M0.01%−27,326−4.3%Reduced
Bank of New York Mellon Corp603,565$60.0M0.01%−1430.0%Reduced
Morgan Stanley596,425$59.3M0.00%−46,365−7.2%Reduced
Natixis Advisors, L.P.574,177$57.0M0.09%+310,053+117.4%Added
Manufacturers Life Insurance Company, The522,532$51.9M0.05%−20,889−3.8%Reduced
Goldman Sachs Group Inc453,878$45.1M0.01%+220,884+94.8%Added
Citigroup Inc446,527$44.4M0.03%+61,049+15.8%Added
Summit Partners Public Asset Management, LLC432,153$42.9M1.67%+432,153New
Freestone Grove Partners LP413,764$41.1M0.31%+290,388+235.4%Added
Shapiro Capital Management LLC391,155$38.9M1.71%−162,210−29.3%Reduced
Capital Research Global Investors387,153$38.5M0.01%00.0%Unchanged
Wells Fargo & Company384,395$38.2M0.01%−14,687−3.7%Reduced
Polaris Capital Management, LLC361,400$35.9M2.39%−12,200−3.3%Reduced
Silvercrest Asset Management Group LLC337,298$33.5M0.23%+77,973+30.1%Added
UBS Asset Management Americas Inc321,712$32.0M0.01%+54,291+20.3%Added
Mizuho Markets Americas LLC298,106$29.6M0.98%+14,400+5.1%Added
Value Holdings Management Co. LLC297,714$29.6M5.22%00.0%Unchanged
Franklin Resources Inc278,711$27.7M0.01%+250,290+880.7%Added
New York State Common Retirement Fund271,340$27.0M0.04%+104,910+63.0%Added
Harvey Partners, LLC269,599$26.8M2.67%+8,599+3.3%Added
Bank of Montreal250,358$24.9M0.01%+16,688+7.1%Added
Systematic Financial Management LP233,181$23.2M0.62%+10,946+4.9%Added
Glenview Capital Management, LLC232,296$23.1M0.65%+232,296New
Penserra Capital Management LLC206,461$20.5M0.29%+62,468+43.4%Added
Ameriprise Financial Inc199,390$19.8M0.00%+44,275+28.5%Added
BNP Paribas Arbitrage, SA195,163$19.4M0.02%+30,598+18.6%Added
Gotham Asset Management, LLC187,933$18.7M0.11%+154,138+456.1%Added
Blue Grotto Capital, LLC187,151$18.6M2.24%−168,070−47.3%Reduced
Rhumbline Advisers186,625$18.5M0.02%−1,182−0.6%Reduced
Kennedy Capital Management, Inc.185,588$18.4M0.44%−3,187−1.7%Reduced
AQR Capital Management LLC185,047$18.4M0.02%+114,836+163.6%Added
Loomis Sayles & Co L P182,310$18.1M0.02%−100,282−35.5%Reduced
Shellback Capital, LP178,610$17.7M1.18%+178,610New
Raymond James Financial Inc169,905$16.9M0.01%−92,662−35.3%Reduced
Retirement Systems of Alabama158,077$15.7M0.06%+660.0%Added
Bessemer Group Inc156,496$15.5M0.03%+22,423+16.7%Added
SummitTX Capital, L.P.150,953$15.0M0.66%+18,660+14.1%Added
Citadel Advisors LLC146,038$14.5M0.01%+146,038New
First Trust Advisors LP141,267$14.0M0.01%+137,392+3,545.6%Added
Deutsche Bank AG132,735$13.2M0.00%+106+0.1%Added
Swiss National Bank128,800$12.8M0.01%−1,600−1.2%Reduced
Needham Investment Management LLC128,750$12.8M1.02%00.0%Unchanged
Quantinno Capital Management LP121,027$12.0M0.05%+83,412+221.8%Added
Federated Hermes, Inc.115,590$11.5M0.02%+31,815+38.0%Added
Thrivent Financial for Lutherans114,030$11.3M0.02%−110,894−49.3%Reduced
Polar Capital Holdings Plc110,173$10.9M0.06%−46,304−29.6%Reduced
NFJ Investment Group, LLC109,761$10.9M0.38%+49,667+82.6%Added
SEI Investments Co109,350$10.9M0.01%−35,753−24.6%Reduced
California Public Employees Retirement System108,576$10.8M0.01%−150,413−58.1%Reduced
Legal & General Group Plc108,286$10.8M0.00%+3,106+3.0%Added
Nuveen, LLC108,163$10.7M0.00%−28,958−21.1%Reduced
National Bank of Canada105,778$10.5M0.01%+100,457+1,887.9%Added
Nomura Holdings Inc102,314$10.2M0.08%−297,920−74.4%Reduced
Harbor Capital Advisors, Inc.99,776$9.91M0.42%−9,979−9.1%Reduced
Envestnet Asset Management Inc99,673$9.90M0.00%−11,092−10.0%Reduced
D. E. Shaw & Co., Inc.96,288$9.57M0.01%−296,093−75.5%Reduced
Harber Asset Management LLC96,000$9.54M3.07%+13,860+16.9%Added
Concentric Capital Strategies, LP92,583$9.20M0.52%+92,583New
Janus Henderson Group PLC90,936$9.03M0.00%+61,866+212.8%Added
Alliancebernstein L.P.85,890$8.53M0.00%−1,275−1.5%Reduced
Stifel Financial Corp80,128$7.96M0.01%−3,037−3.7%Reduced
Phocas Financial Corp.71,851$7.14M1.03%+41,616+137.6%Added
Leith Wheeler Investment Counsel Ltd.71,288$7.08M0.50%−1,886−2.6%Reduced
Public Employees Retirement System of Ohio71,083$7.06M0.02%+9,736+15.9%Added
Comerica Bank70,732$7.03M0.03%+43,818+162.8%Added
STRS Ohio70,100$6.97M0.03%+17,206+32.5%Added
Amundi63,039$6.60M0.00%−16,453−20.7%Reduced
New York State Teachers Retirement System65,286$6.49M0.01%−100−0.2%Reduced
Readystate Asset Management LP64,152$6.37M0.26%+965+1.5%Added
California State Teachers Retirement System62,219$6.18M0.01%00.0%Unchanged
Sculptor Capital LP60,000$5.96M0.10%−3,300−5.2%Reduced
Prudential Financial Inc58,933$5.86M0.01%+6,846+13.1%Added