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Disclosery

Kidder Stephen W: MA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Kidder Stephen W on MA, newest first. How the timeline and the estimate are built.

Kidder Stephen W held 25,433 MA shares at 2026-06-30 per its 13F-HR filed 2026-08-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 25,433 shares
    Change vs previous 13F +281 shares

    3.3% of the 13F portfolio, value $13,062,388.

    13F-HR 0001314377-26-000008 filed by Kidder Stephen W
    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 25,152 shares
    Change vs previous 13F -56 shares

    3.69% of the 13F portfolio, value $12,567,448.

    13F-HR 0001314377-26-000007 filed by Kidder Stephen W
    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 25,208 shares
    Change vs previous 13F -192 shares

    4.06% of the 13F portfolio, value $14,390,743.

    13F-HR 0001314377-26-000001 filed by Kidder Stephen W
    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 25,400 shares
    Change vs previous 13F -192 shares

    4.14% of the 13F portfolio, value $14,447,773.

    13F-HR 0001314377-25-000003 filed by Kidder Stephen W
    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 25,592 shares
    Change vs previous 13F -1,856 shares

    4.32% of the 13F portfolio, value $14,381,169.

    13F-HR 0001314376-25-000004 filed by Kidder Stephen W
    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 27,448 shares
    Change vs previous 13F -1,116 shares

    4.69% of the 13F portfolio, value $15,044,798.

    13F-HR 0001215208-25-000002 filed by Kidder Stephen W
    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 28,564 shares
    Change vs previous 13F -281 shares

    4.53% of the 13F portfolio, value $15,040,945.

    13F-HR 0001494234-25-000006 filed by Kidder Stephen W
    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 28,845 shares
    Change vs previous 13F not available

    4.21% of the 13F portfolio, value $14,243,662.

    13F-HR 0001053914-24-000006 filed by Kidder Stephen W
    Filed (acceptance time not in the bulk data set), ingested

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