Skip to content
Disclosery

Columbia Asset Management: SONY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Columbia Asset Management on SONY, newest first. How the timeline and the estimate are built.

Columbia Asset Management held 97,775 SONY shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 97,775 shares
    Change vs previous 13F -9,725 shares

    0.34% of the 13F portfolio, value $1,961,367.

    13F-HR 0002085853-26-000792 filed by Columbia Asset Management
    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 107,500 shares
    Change vs previous 13F -2,200 shares

    0.42% of the 13F portfolio, value $2,225,250.

    13F-HR 0002085853-26-000430 filed by Columbia Asset Management
    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 109,700 shares
    Change vs previous 13F +575 shares

    0.5% of the 13F portfolio, value $2,808,320.

    13F-HR 0002085853-26-000122 filed by Columbia Asset Management
    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 109,125 shares
    Change vs previous 13F -123 shares

    0.59% of the 13F portfolio, value $3,141,709.

    13F-HR 0002085853-25-000221 filed by Columbia Asset Management
    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 109,248 shares
    Change vs previous 13F +2,950 shares

    0.56% of the 13F portfolio, value $2,843,725.

    13F-HR 0001667731-25-000872 filed by Columbia Asset Management
    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 106,298 shares
    Change vs previous 13F -200 shares

    0.55% of the 13F portfolio, value $2,698,906.

    13F-HR 0001667731-25-000412 filed by Columbia Asset Management
    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 106,498 shares
    Change vs previous 13F +85,223 shares

    0.43% of the 13F portfolio, value $2,253,498.

    13F-HR 0001667731-25-000251 filed by Columbia Asset Management
    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 21,275 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $2,055,000.

    13F-HR 0001585047-24-000004 filed by Columbia Asset Management
    Filed (acceptance time not in the bulk data set), ingested

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