MKS Inc. – Investors and Politicians Who Own It

MKSI, 2 share classes and securities

Investors who own it

9 tracked investors, $1.5B in shares, each from their latest 13F.

InvestorValueShare of portfolio
Alex SacerdoteWhale Rock Capital, Q2 2026
$565.5M4.54%
Takis SparaggisAlkeon Capital Management, Q2 2026
$476.8M0.64%
Scott FergusonSachem Head Capital, Q2 2026
$361.5M7.50%
Glen KacherLight Street Capital, Q2 2026
$46.2M5.11%
Larry RobbinsGlenview Capital Management, Q2 2026
$43.8M0.80%
Ray DalioBridgewater Associates, Q2 2026
$12.1M0.05%
Lee AinslieMaverick Capital, Q2 2026
$911.8K0.01%
Barry RitholtzRitholtz Wealth Management, Q2 2026
$409.7K0.01%
Mario GabelliGAMCO Investors, Q2 2026
$318K0.00%

Politicians who own it

Estimated from annual disclosures and trades; values are rough estimates.

No member of Congress is estimated to hold this stock.

InvestorActionShares now
Howard MarksBondAdded +39%16,705,000
Larry RobbinsReduced −26%171,922
Mario GabelliReduced −7.1%7,885

Politicians trading it

Latest Congress trades disclosed under the STOCK Act; amounts are ranges.

PoliticianActionTraded
Lisa C. McClainSpouseR-MI · House
Sold$1K–$15KOct 31, 2025disclosed Nov 21, 2025
Lisa C. McClainSpouseR-MI · House
Sold$1K–$15KOct 30, 2025disclosed Nov 21, 2025
Lisa C. McClainSpouseR-MI · House
Bought$1K–$15KOct 30, 2025disclosed Nov 21, 2025
Lisa C. McClainSpouseR-MI · House
Bought$1K–$15KAug 4, 2025disclosed Sep 12, 2025
Tommy TubervilleJointR-AL · Senate
Sold$1K–$15KApr 3, 2023disclosed May 12, 2023
Tommy TubervilleJointR-AL · Senate
Sold$1K–$15KApr 3, 2023disclosed May 11, 2023
Tommy TubervilleJointR-AL · Senate
Bought$1K–$15KMar 30, 2022disclosed Apr 8, 2022