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, Q1 2026

Institutional positions in MKS Inc as of Mar 31, 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
621
+111 vs. Q4 2025
Shares held
69.0M
+6.90M (+11.1%) vs. Q4 2025
Total value
$15.8B
+$5.85B (+58.9%) vs. Q4 2025
New holders
164
204 more added
Sold out
53
190 more reduced

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 621 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 heldQ1 2026: $15.8B
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, Q1 2026

Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q4 2025.

Institutions holding MKSI in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Raleigh Capital Management Inc.0$610.00%0Unchanged
AdvisorNet Financial, Inc1$2300.00%−114−99.1%Reduced
TD Private Client Wealth LLC1$2300.00%00.0%Unchanged
TFC Financial Management1$2300.00%00.0%Unchanged
TopTier Wealth Management, LLC1$2300.00%+1New
3 Factor Indexing, LLC1$2300.00%+1New
Curio Wealth, LLC2$4600.00%+2New
Montag A & Associates Inc5$1.06K0.00%+5New
HFM Investment Advisors, LLC5$1.15K0.00%+2+66.7%Added
Stone House Investment Management, LLC5$1.15K0.00%+4+400.0%Added
Atwood & Palmer Inc5$1.15K0.00%+5New
Atlantic Private Wealth, LLC5$1.15K0.00%00.0%Unchanged
MCF Advisors LLC6$1.38K0.00%+6New
Vermillion Wealth Management, Inc.6$1.38K0.00%+6New
Activest Wealth Management6$1.38K0.00%+6New
Raffa Wealth Management, LLC7$1.61K0.00%+7New
Dunhill Financial, LLC7$1.63K0.00%+6+600.0%Added
DecisionPoint Financial, LLC8$1.84K0.00%00.0%Unchanged
Sachetta, LLC8$1.84K0.00%+8New
TD Waterhouse Canada Inc.8$1.89K0.00%+8New
Signature Equity Partners, LLC9$2.07K0.00%00.0%Unchanged
Sound Income Strategies, LLC9$2.12K0.00%+9New
Principia Wealth Advisory, LLC10$2.30K0.00%00.0%Unchanged
United Financial Planning Group LLC10$2.30K0.00%00.0%Unchanged
Grove Bank & Trust10$2.30K0.00%+10New
IFM Investors Pty Ltd10$2.30K0.00%+10New
Tidemark, LLC10$2.30K0.00%+10New
Kilter Group LLC11$2.53K0.00%+7+175.0%Added
Colonial Trust Co13$2.71K0.00%−21−61.8%Reduced
Bay Harbor Wealth Management, LLC12$2.76K0.00%+6+100.0%Added
Quaker Wealth Management, LLC12$2.76K0.00%00.0%Unchanged
WPG Advisers, LLC12$2.76K0.00%00.0%Unchanged
Cromwell Holdings LLC13$2.99K0.00%+3+30.0%Added
DiNuzzo Private Wealth, Inc.13$2.99K0.00%+8+160.0%Added
Sunbelt Securities, Inc.14$3.22K0.00%00.0%Unchanged
Albion Financial Group14$3.22K0.00%+14New
Hughes Financial Services, LLC16$3.68K0.00%−2−11.1%Reduced
MV Capital Management, Inc.16$3.68K0.00%00.0%Unchanged
NBC Securities, Inc.17$3.91K0.00%00.0%Unchanged
North Star Investment Management Corp.17$3.91K0.00%00.0%Unchanged
Rialto Wealth Management, LLC17$3.91K0.00%+6+54.5%Added
IMA Wealth, Inc.18$4.14K0.00%−21−53.8%Reduced
Retirement Wealth Solutions LLC18$4.14K0.00%−2−10.0%Reduced
Private Wealth Management Group, LLC19$4.37K0.00%00.0%Unchanged
Sunrise Financial Services, LLC20$4.60K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC21$4.83K0.00%00.0%Unchanged
Quest 10 Wealth Builders, Inc.21$4.83K0.00%+21New
Prestige Wealth Management Group LLC22$5.06K0.00%00.0%Unchanged
JPL Wealth Management, LLC22$5.06K0.00%+22New
Bogart Wealth, LLC23$5.29K0.00%00.0%Unchanged
Fairman Group, LLC24$5.51K0.00%00.0%Unchanged
J.Safra Asset Management Corp25$5.75K0.00%+5+25.0%Added
Cornerstone Financial Management LLC29$6.66K0.01%00.0%Unchanged
JFS Wealth Advisors, LLC31$7.13K0.00%+9+40.9%Added
Aventura Private Wealth, LLC32$7.35K0.00%00.0%Unchanged
Private Trust Co NA32$7.35K0.00%+32New
Cassaday & Co Wealth Management LLC32$7.36K0.00%+32New
Essential Partners LLC33$7.58K0.00%+11+50.0%Added
ZRC Wealth Management, LLC34$7.81K0.00%00.0%Unchanged
Wealth Enhancement Trust Services, Inc.34$7.81K0.00%00.0%Unchanged
LRI Investments, LLC36$8.27K0.00%+36New
Acumen Wealth Advisors, LLC37$8.50K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.39$8.96K0.00%+3+8.3%Added
Wealth Preservation Advisors, LLC39$8.96K0.01%+39New
Avion Wealth40$9.00K0.00%00.0%Unchanged
Medallion Wealth Advisors, LLC40$9.19K0.00%−10−20.0%Reduced
Park Place Capital Corp40$9.19K0.00%00.0%Unchanged
CoreCap Advisors, LLC41$9.42K0.00%00.0%Unchanged
Joseph Group Capital Management41$9.42K0.00%+41New
Cornerstone Planning Group LLC34$9.54K0.00%+4+13.3%Added
Union Savings Bank43$9.88K0.00%00.0%Unchanged
Strive Financial Group ,LLC44$10.0K0.01%+44New
Keating Financial Advisory Services, Inc.49$11.3K0.00%−2−3.9%Reduced
Bravera Wealth50$11.5K0.01%00.0%Unchanged
Rogco, LP51$11.7K0.00%+51New
Zions Bancorporation, National Association52$11.9K0.00%+22+73.3%Added
JDM Financial Group LLC52$11.9K0.00%+52New
International Assets Investment Management, LLC51$12.0K0.00%−18−26.1%Reduced
CX Institutional53$12.0K0.00%+53New
Bare Financial Services, Inc53$12.2K0.00%+3+6.0%Added
Clearstead Advisors, LLC55$12.6K0.00%−954−94.5%Reduced
Harbour Investments, Inc.57$13.1K0.00%+50+714.3%Added
Farmers & Merchants Investments Inc59$13.6K0.00%00.0%Unchanged
Carolina Wealth Advisors, LLC59$13.6K0.01%+59New
Matrix Trust Co61$14.0K0.00%+61New
Advisory Services Network, LLC63$14.5K0.00%+63New
CVA Family Office, LLC65$14.9K0.00%+65New
Rossby Financial, LCC65$15.3K0.00%+3+4.8%Added
Assetmark, Inc71$16.3K0.00%−6−7.8%Reduced
Wall Street Financial Group, Inc.73$16.8K0.01%+73New
Westend Capital Management, LLC75$17.2K0.01%+75New
Elequin Capital LP78$17.9K0.00%−98−55.7%Reduced
SBI Securities Co., Ltd.78$17.9K0.00%+56+254.5%Added
Accordant Advisory Group Inc78$17.9K0.01%+78New
Atlantic Trust, LLC82$18.8K0.00%00.0%Unchanged
Basecamp Wealth Advisors LLC84$19.3K0.00%+73+663.6%Added
Kemnay Advisory Services Inc.84$19.3K0.00%+84New
Brown Brothers Harriman & Co85$19.5K0.00%+58+214.8%Added
Owl Creek Wealth Partners LLC88$20.2K0.01%+88New
Measured Wealth Private Client Group, LLC96$22.1K0.01%+96New