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Disclosery

Kemnay Advisory Services Inc.: MA position timeline

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

Kemnay Advisory Services Inc. held 53,561 MA shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 53,561 shares
    Change vs previous 13F +53,300 shares

    3.48% of the 13F portfolio, value $27,508,930.

    13F-HR 0001193125-26-350683 filed by Kemnay Advisory Services 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 261 shares
    Change vs previous 13F -64 shares

    0.02% of the 13F portfolio, value $130,411.

    13F-HR 0001193125-26-225479 filed by Kemnay Advisory Services 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 325 shares
    Change vs previous 13F +325 shares

    0.03% of the 13F portfolio, value $185,536.

    13F-HR 0001193125-26-053269 filed by Kemnay Advisory Services 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 0 shares
    Change vs previous 13F -25,990 shares

    13F-HR 0001193125-25-278728 filed by Kemnay Advisory Services Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-06-30
    13F 25,990 shares
    Change vs previous 13F -1,359 shares

    2.32% of the 13F portfolio, value $14,604,821.

    13F-HR 0000950123-25-008090 filed by Kemnay Advisory Services 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 27,349 shares
    Change vs previous 13F +5,774 shares

    2.82% of the 13F portfolio, value $14,990,534.

    13F-HR 0000950123-25-005522 filed by Kemnay Advisory Services 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 21,575 shares
    Change vs previous 13F +21,575 shares

    2.04% of the 13F portfolio, value $11,360,748.

    13F-HR 0000950123-25-002359 filed by Kemnay Advisory Services 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 0 shares
    Change vs previous 13F not available

    13F-HR 0000950123-24-011526 filed by Kemnay Advisory Services Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.