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Disclosery

Barton Investment Management: PFE position timeline

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

Barton Investment Management held 9,483 PFE shares at 2026-06-30 per its 13F-HR filed 2026-07-20.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,483 shares
    Change vs previous 13F -237 shares

    0.03% of the 13F portfolio, value $228,353.

    13F-HR 0001387818-26-000003 filed by Barton Investment 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 9,720 shares
    Change vs previous 13F -83 shares

    0.03% of the 13F portfolio, value $272,951.

    13F-HR 0001387818-26-000002 filed by Barton Investment 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 9,803 shares
    Change vs previous 13F +19 shares

    0.03% of the 13F portfolio, value $244,084.

    13F-HR 0001387818-26-000001 filed by Barton Investment 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 9,784 shares
    Change vs previous 13F +18 shares

    0.03% of the 13F portfolio, value $249,308.

    13F-HR 0001387818-25-000005 filed by Barton Investment 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 9,766 shares
    Change vs previous 13F +18 shares

    0.02% of the 13F portfolio, value $236,728.

    13F-HR 0001387818-25-000004 filed by Barton Investment 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 9,748 shares
    Change vs previous 13F +17 shares

    0.03% of the 13F portfolio, value $247,009.

    13F-HR 0001387818-25-000002 filed by Barton Investment 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 9,731 shares
    Change vs previous 13F +16 shares

    0.03% of the 13F portfolio, value $258,169.

    13F-HR 0001387818-25-000001 filed by Barton Investment 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 9,715 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $281,144.

    13F-HR 0001387818-24-000005 filed by Barton Investment Management
    Filed (acceptance time not in the bulk data set), ingested

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