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Mason Investment Advisory Services, Inc.: MDY position timeline

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

Mason Investment Advisory Services, Inc. held 1,691 MDY shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,691 shares
    Change vs previous 13F -67 shares

    0.05% of the 13F portfolio, value $1,189,567.

    13F-HR 0001140361-26-032728 filed by Mason Investment 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 1,758 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $1,084,456.

    13F-HR 0001140361-26-021278 filed by Mason Investment 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 1,758 shares
    Change vs previous 13F -19 shares

    0.05% of the 13F portfolio, value $1,060,754.

    13F-HR 0001140361-26-004973 filed by Mason Investment 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 1,777 shares
    Change vs previous 13F -122 shares

    0.05% of the 13F portfolio, value $1,059,331.

    13F-HR 0001140361-25-041541 filed by Mason Investment Advisory Services, 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 1,899 shares
    Change vs previous 13F -61 shares

    0.06% of the 13F portfolio, value $1,075,922.

    13F-HR 0001140361-25-028811 filed by Mason Investment 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 1,960 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $1,045,673.

    13F-HR 0001140361-25-016854 filed by Mason Investment 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 1,960 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $1,116,265.

    13F-HR 0001140361-25-003388 filed by Mason Investment 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 1,960 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $1,116,422.

    13F-HR 0001140361-24-046076 filed by Mason Investment Advisory Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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