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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
Swiss National Bank136,400$60.7M0.03%+3,500+2.6%Added
Park West Asset Management LLC138,740$61.7M4.22%−110,500−44.3%Reduced
Harvey Partners, LLC141,066$62.7M4.35%−102,330−42.0%Reduced
Artemis Investment Management LLP141,986$63.2M0.56%+141,986New
Alliancebernstein L.P.275,713$63.4M0.02%−44,208−13.8%Reduced
Two Sigma Investments, LP143,365$63.8M0.05%−135,322−48.6%Reduced
Retirement Systems of Alabama145,960$64.9M0.20%−12,486−7.9%Reduced
Blue Grotto Capital, LLC149,422$66.5M5.55%−225,578−60.2%Reduced
Federated Hermes, Inc.149,659$66.6M0.10%+49,534+49.5%Added
LPL Financial LLC156,987$69.8M0.02%−17,988−10.3%Reduced
First Trust Advisors LP157,249$69.9M0.04%+105,193+202.1%Added
Value Holdings Management Co. LLC159,452$70.9M11.85%−85,598−34.9%Reduced
Evergreen Quality Fund GP, Ltd.164,200$73.0M1.18%+164,200New
Handelsbanken Fonder AB164,490$73.2M0.21%−28,010−14.6%Reduced
Cooke & Bieler LP165,227$73.5M0.85%−44,821−21.3%Reduced
Gotham Asset Management, LLC170,226$75.7M0.18%−25,177−12.9%Reduced
Northwestern Mutual Wealth Management Co173,207$77.0M0.04%+172,982+76,880.9%Added
Rhumbline Advisers179,890$80.0M0.06%−700.0%Reduced
Systematic Financial Management LP192,042$85.4M1.70%−50,021−20.7%Reduced
Defiance ETFs, LLC210,440$86.5M1.20%−40,176−16.0%Reduced
UBS Asset Management Americas Inc207,760$92.4M0.02%+3,840+1.9%Added
Penserra Capital Management LLC210,802$93.8M0.72%−39,814−15.9%Reduced
Wells Fargo & Company216,565$96.3M0.02%−26,473−10.9%Reduced
Jones Financial Companies LLLP250,579$97.4M0.04%+26,797+12.0%Added
Quantinno Capital Management LP223,165$99.3M0.12%−36,584−14.1%Reduced
Marshall Wace, LLP225,115$100.1M0.08%+126,425+128.1%Added
Nordea Investment Management AB232,107$102.5M0.08%−94,201−28.9%Reduced
Amundi241,670$107.5M0.03%−13,078−5.1%Reduced
Natixis Advisors, L.P.260,170$115.7M0.13%+28,164+12.1%Added
Balyasny Asset Management LLC260,178$115.7M0.21%−147,217−36.1%Reduced
Polar Capital Holdings Plc260,442$115.8M0.33%+188,231+260.7%Added
Royce & Associates LP261,567$116.3M0.94%−142,103−35.2%Reduced
Manufacturers Life Insurance Company, The265,549$118.1M0.09%−134,770−33.7%Reduced
Samlyn Capital, LLC281,893$125.4M2.08%−214,792−43.2%Reduced
TimesSquare Capital Management, LLC288,450$128.3M1.89%+285+0.1%Added
TOMS Capital Investment Management LP293,000$130.3M6.88%+293,000New
Tremblant Capital Group295,385$131.4M3.77%−34,401−10.4%Reduced
Madison Asset Management, LLC316,694$140.9M1.68%−21,642−6.4%Reduced
Summit Partners Public Asset Management, LLC319,833$142.3M3.70%+37,627+13.3%Added
UBS Group AG321,728$143.1M0.02%−110,402−25.5%Reduced
Raymond James Financial Inc327,432$145.6M0.04%−10,530−3.1%Reduced
Nuveen, LLC361,411$160.8M0.04%−16,747−4.4%Reduced
Goldman Sachs Group Inc361,721$160.9M0.02%+116,095+47.3%Added
Vanguard Fiduciary Trust Co428,157$190.4M0.04%+11,043+2.6%Added
Principal Financial Group Inc474,686$211.1M0.10%−139,544−22.7%Reduced
Bank of America Corp520,847$231.7M0.01%+57,138+12.3%Added
Dimensional Fund Advisors LP533,145$237.0M0.04%−302,200−36.2%Reduced
Northern Trust Corp577,866$257.0M0.03%+8,642+1.5%Added
FengHe Fund Management Pte. Ltd.581,687$258.7M24.54%+125,358+27.5%Added
Qube Research & Technologies Ltd606,068$269.6M0.30%+531,708+715.0%Added
Victory Capital Management Inc609,027$270.9M0.15%−269,731−30.7%Reduced
AQR Capital Management LLC638,333$280.2M0.10%+21,836+3.5%Added
Millennium Management LLC645,071$286.9M0.19%−249,298−27.9%Reduced
Bank of New York Mellon Corp658,544$292.9M0.05%−173,606−20.9%Reduced
Morgan Stanley681,576$303.2M0.02%+166,513+32.3%Added
Citadel Advisors LLC697,670$310.3M0.18%−249,362−26.3%Reduced
Charles Schwab Investment Management Inc808,198$359.5M0.05%−58,449−6.7%Reduced
Sachem Head Capital Management LP812,700$361.5M7.50%+812,700New
Westfield Capital Management Co LP928,617$413.0M1.35%−118,146−11.3%Reduced
Norges Bank954,667$424.6M0.04%+954,667New
Alkeon Capital Management LLC1,072,040$476.8M1.84%+1,072,040New
Neuberger Berman Group LLC1,165,068$518.2M0.35%−268,461−18.7%Reduced
Whale Rock Capital Management LLC1,271,373$565.5M4.54%−35,351−2.7%Reduced
Capital World Investors1,366,290$607.7M0.07%+89,090+7.0%Added
Wellington Management Group LLP1,416,034$629.9M0.11%−417,103−22.8%Reduced
FMR LLC1,499,498$667.0M0.03%−434,345−22.5%Reduced
Geode Capital Management, LLC1,539,072$686.6M0.04%−2470.0%Reduced
Aspex Management (HK) Ltd1,820,441$809.7M9.13%+281,652+18.3%Added
Price T Rowe Associates Inc1,889,901$840.6M0.08%+189,753+11.2%Added
Capital International Investors1,915,187$851.9M0.18%−53,583−2.7%Reduced
Point72 Asset Management, L.P.1,996,843$888.2M1.36%+386,512+24.0%Added
State Street Corp2,134,663$949.4M0.03%+76,931+3.7%Added
Vanguard Capital Management LLC3,049,560$1.36B0.03%+35,359+1.2%Added
JPMorgan Chase & Co3,373,844$1.40B0.08%+1,277,502+60.9%Added
Vanguard Portfolio Management LLC3,707,327$1.65B0.07%+21,834+0.6%Added
Invesco Ltd.4,661,664$2.07B0.16%+940,205+25.3%Added
BlackRock, Inc.6,930,030$3.08B0.05%+288,300+4.3%Added
Contour Asset Management LLC0$00.00%−374,868−100.0%Sold out
Polaris Capital Management, LLC0$00.00%−134,700−100.0%Sold out
Rivermont Capital Management LP0$00.00%−87,537−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−81,280−100.0%Sold out
Tairen Capital Ltd0$00.00%−68,500−100.0%Sold out
SEB Asset Management AB0$00.00%−52,000−100.0%Sold out
Shellback Capital, LP0$00.00%−41,216−100.0%Sold out
Tyro Capital Management LLC0$00.00%−36,855−100.0%Sold out
Jain Global LLC0$00.00%−34,386−100.0%Sold out
FORA Capital, LLC0$00.00%−10,039−100.0%Sold out
Moore Capital Management, LP0$00.00%−10,000−100.0%Sold out
Headlands Technologies LLC0$00.00%−9,325−100.0%Sold out
Timothy G. Youngquist 2020 Irrevocable Trust0$00.00%−8,752−100.0%Sold out
Havemeyer Place LP0$00.00%−8,220−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−8,014−100.0%Sold out
Equitable Trust Co0$00.00%−7,224−100.0%Sold out
Dorsey Wright & Associates0$00.00%−5,784−100.0%Sold out
Legato Capital Management LLC0$00.00%−5,605−100.0%Sold out
Sierra Summit Advisors LLC0$00.00%−4,879−100.0%Sold out
Quinn Opportunity Partners LLC0$00.00%−4,410−100.0%Sold out
Verition Fund Management LLC0$00.00%−3,670−100.0%Sold out
Aigen Investment Management, LP0$00.00%−3,479−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−3,289−100.0%Sold out