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Disclosery

BlackRock, Inc.: MKSI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on MKSI, newest first. How the timeline and the estimate are built.

BlackRock, Inc. held 6,930,030 MKSI shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,930,030 shares
    Change vs previous 13F +288,300 shares

    0.05% of the 13F portfolio, value $3,082,477,430.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 6,641,730 shares
    Change vs previous 13F +502,891 shares

    0.03% of the 13F portfolio, value $1,526,335,861.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 6,138,839 shares
    Change vs previous 13F +15,510 shares

    0.02% of the 13F portfolio, value $980,986,438.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 6,123,329 shares
    Change vs previous 13F -1,193,234 shares

    0.01% of the 13F portfolio, value $757,884,395.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 7,316,563 shares
    Change vs previous 13F +249,856 shares

    0.01% of the 13F portfolio, value $726,973,663.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 7,066,707 shares
    Change vs previous 13F -53,176 shares

    0.01% of the 13F portfolio, value $566,396,560.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 7,119,883 shares
    Change vs previous 13F +266,824 shares

    0.02% of the 13F portfolio, value $743,244,571.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 6,853,059 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $744,996,048.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).