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International Business Machines Corp

IBM
Exchange
NYSE
Industry
Computer & office Equipment
SEC CIK
0000051143

In the last 90 days, International Business Machines Corp insiders filed 0 open-market purchases and 1 sale; 3,644 institutions reported holding it in 13F filings for Q2 2026, worth $172.1B in total; no superinvestor holds it.

Superinvestors holding IBM, Q2 2026

See all superinvestors

No superinvestor reported holding IBM in Q2 2026.

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of IBM 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. Q1 2026

    0 superinvestors holding at quarter end

    Sold out
    Gardner Russo & Quinn
  2. Q4 2025

    1 superinvestor holding at quarter end

    New
    Gardner Russo & Quinn
  3. Q1 2024

    0 superinvestors holding at quarter end

    Sold out
    Maverick Capital
  4. Q4 2023

    1 superinvestor holding at quarter end

    New
    Maverick Capital
  5. Q3 2023

    0 superinvestors holding at quarter end

    Sold out
    Maverick Capital, Harris Associates (Oakmark)
  6. Q2 2023

    2 superinvestors holding at quarter end

    Added
    Maverick Capital (+1.4%), Harris Associates (Oakmark) (+4.7%)
  7. Q1 2023

    2 superinvestors holding at quarter end

    New
    Maverick Capital, Harris Associates (Oakmark)
  8. Q2 2022

    0 superinvestors holding at quarter end

    Sold out
    Maverick Capital
  9. Q1 2022

    1 superinvestor holding at quarter end

    New
    Maverick Capital