Skip to main content
Livermore
Livermore
ZHEN

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, Q4 2025

Institutional positions in MKS Inc as of Dec 31, 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
516
+90 vs. Q3 2025
Shares held
70.5M
−1.40M (−2.0%) vs. Q3 2025
Total value
$11.3B
+$2.37B (+26.7%) vs. Q3 2025
New holders
131
177 more added
Sold out
41
146 more reduced

9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 516 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 heldQ4 2025: $11.3B
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, Q4 2025

Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q3 2025.

Institutions holding MKSI in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Raleigh Capital Management Inc.0$420.00%0Unchanged
TD Private Client Wealth LLC1$1600.00%+1New
Stone House Investment Management, LLC1$1600.00%+1New
TFC Financial Management1$1600.00%+1New
ROSS\JOHNSON & Associates LLC1$1600.00%+1New
Dunhill Financial, LLC1$1710.00%+1New
HFM Investment Advisors, LLC3$4800.00%00.0%Unchanged
Toronto Dominion Bank3$5190.00%+3New
Kilter Group LLC4$6400.00%+4New
DiNuzzo Private Wealth, Inc.5$7990.00%+2+66.7%Added
Atlantic Private Wealth, LLC5$8000.00%+5New
Bay Harbor Wealth Management, LLC6$9580.00%+2+50.0%Added
Group One Trading, L.P.6$9590.00%+6New
McGuire Capital Advisors Inc6$9590.00%+6New
Harbour Investments, Inc.7$1.12K0.00%+1+16.7%Added
DecisionPoint Financial, LLC8$1.28K0.00%00.0%Unchanged
Signature Equity Partners, LLC9$1.44K0.00%+9New
Cromwell Holdings LLC10$1.60K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC10$1.60K0.00%00.0%Unchanged
United Financial Planning Group LLC10$1.60K0.00%+10New
Rialto Wealth Management, LLC11$1.76K0.00%+1+10.0%Added
Basecamp Wealth Advisors LLC11$1.76K0.00%+11New
WPG Advisers, LLC12$1.92K0.00%−4−25.0%Reduced
Quaker Wealth Management, LLC12$1.92K0.00%00.0%Unchanged
Rakuten Securities, Inc.12$1.92K0.00%+12New
Quarry LP13$2.08K0.00%−112−89.6%Reduced
Sunbelt Securities, Inc.14$2.24K0.00%00.0%Unchanged
MV Capital Management, Inc.16$2.56K0.00%00.0%Unchanged
NBC Securities, Inc.17$2.72K0.00%00.0%Unchanged
North Star Investment Management Corp.17$2.72K0.00%+17New
Hughes Financial Services, LLC18$2.88K0.00%−5−21.7%Reduced
Private Wealth Management Group, LLC19$3.04K0.00%00.0%Unchanged
Retirement Wealth Solutions LLC20$3.20K0.00%00.0%Unchanged
J.Safra Asset Management Corp20$3.20K0.00%+5+33.3%Added
Sunrise Financial Services, LLC20$3.20K0.00%+20New
Strategic Wealth Partners, Ltd.21$3.28K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC21$3.36K0.00%00.0%Unchanged
SBI Securities Co., Ltd.22$3.52K0.00%−18−45.0%Reduced
Prestige Wealth Management Group LLC22$3.52K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC22$3.52K0.00%+14+175.0%Added
Essential Partners LLC22$3.52K0.00%+22New
Bogart Wealth, LLC23$3.67K0.00%00.0%Unchanged
Fairman Group, LLC24$3.83K0.00%+24New
Brown Brothers Harriman & Co27$4.32K0.00%+27New
Financial Network Wealth Advisors LLC29$4.63K0.00%00.0%Unchanged
Cornerstone Financial Management LLC29$4.63K0.00%+29New
Zions Bancorporation, National Association30$4.79K0.00%+30New
ORG Partners LLC31$4.95K0.00%+31New
Aventura Private Wealth, LLC32$5.11K0.00%00.0%Unchanged
Colonial Trust Co34$5.38K0.00%00.0%Unchanged
Wealth Enhancement Trust Services, Inc.34$5.43K0.00%+34New
ZRC Wealth Management, LLC34$5.43K0.00%+23+209.1%Added
Transamerica Financial Advisors, Inc.36$5.75K0.00%−1−2.7%Reduced
Acumen Wealth Advisors, LLC37$5.91K0.00%+37New
Avion Wealth40$6.00K0.00%−13−24.5%Reduced
IMA Wealth, Inc.39$6.23K0.00%+35+875.0%Added
Park Place Capital Corp40$6.39K0.00%+40New
CoreCap Advisors, LLC41$6.55K0.00%00.0%Unchanged
Union Savings Bank43$6.87K0.00%+43New
Elyxium Wealth, LLC44$7.03K0.00%+44New
Cornerstone Planning Group LLC30$7.11K0.00%00.0%Unchanged
Bare Financial Services, Inc50$7.99K0.00%00.0%Unchanged
Bravera Wealth50$7.99K0.00%+50New
Medallion Wealth Advisors, LLC50$7.99K0.00%+50New
Keating Financial Advisory Services, Inc.51$8.15K0.00%+51New
Rothschild Investment LLC52$8.31K0.00%+26+100.0%Added
Farmers & Merchants Investments Inc59$9.43K0.00%+3+5.4%Added
Rossby Financial, LCC62$9.91K0.00%+62New
International Assets Investment Management, LLC69$11.0K0.00%+69New
DV Trading LLC72$11.5K0.00%+72New
CBIZ Investment Advisory Services, LLC72$11.5K0.00%+72New
Assetmark, Inc77$12.3K0.00%+21+37.5%Added
Atlantic Trust, LLC82$13.1K0.00%00.0%Unchanged
Ancora Advisors, LLC82$13.1K0.00%+82New
True Wealth Design, LLC83$13.3K0.00%+4+5.1%Added
Fortitude Family Office, LLC89$14.2K0.00%+2+2.3%Added
Quent Capital, LLC92$14.7K0.00%+26+39.4%Added
Armstrong Advisory Group, Inc96$15.3K0.00%00.0%Unchanged
City Holding Co102$16.3K0.00%+102New
Bell Investment Advisors, Inc106$16.9K0.00%+41+63.1%Added
Torren Management, LLC106$17.0K0.01%+106New
AdvisorNet Financial, Inc115$18.4K0.00%00.0%Unchanged
SageView Advisory Group, LLC117$18.7K0.00%+117New
Creative Financial Designs Inc118$18.9K0.00%+100+555.6%Added
UMA Financial Services, Inc.120$19.2K0.00%00.0%Unchanged
Huntington National Bank125$20.0K0.00%−15−10.7%Reduced
Capital Advisors, Ltd. LLC137$22.0K0.00%00.0%Unchanged
Root Financial Partners, LLC141$22.5K0.00%+28+24.8%Added
Smithfield Trust Co155$25.0K0.00%00.0%Unchanged
Bryn Mawr Trust Co157$25.1K0.00%00.0%Unchanged
USA Financial Portformulas Corp164$26.2K0.00%+164New
Global Retirement Partners, LLC165$26.4K0.00%+140+560.0%Added
Parkside Financial Bank & Trust172$27.5K0.00%+21+13.9%Added
IFP Advisors, Inc172$27.5K0.00%+148+616.7%Added
Elequin Capital LP176$28.1K0.00%+176New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.191$32.2K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC213$34.0K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.217$34.7K0.00%−1,604−88.1%Reduced
Coston, McIsaac & Partners239$38.0K0.01%00.0%Unchanged
SJS Investment Consulting Inc.243$38.8K0.00%+2+0.8%Added