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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.

Superinvestors holding MKSI, Q2 2026

1 superinvestor reports holding MKS Inc on Form 13F, worth $911.8K in total. Weight is MKS Inc's share of each 13F portfolio; actions compare shares with Q1 2026.

See all superinvestors
Superinvestors holding MKSI in Q2 2026
Superinvestor% of portfolioSharesValuevs. previous quarter
Maverick CapitalLee Ainslie<0.1%2,050$911.8KReduced−71.9%

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of MKSI each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.

  1. Q2 2026

    1 superinvestor holding at quarter end

    Reduced
    Maverick Capital (−71.9%)
  2. Q1 2026

    1 superinvestor holding at quarter end

    New
    Maverick Capital
  3. Q4 2024

    0 superinvestors holding at quarter end

    Sold out
    Soros Fund Management
  4. Q3 2024

    1 superinvestor holding at quarter end

    Added
    Soros Fund Management (+56.9%)
  5. Q2 2024

    1 superinvestor holding at quarter end

    New
    Soros Fund Management
  6. Q2 2021

    0 superinvestors holding at quarter end

    Sold out
    Maverick Capital