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Disclosery

Main Street Research LLC: AMZN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Main Street Research LLC on AMZN, newest first. How the timeline and the estimate are built.

Main Street Research LLC held 274,738 AMZN shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 274,738 shares
    Change vs previous 13F +5,545 shares

    3.09% of the 13F portfolio, value $65,480,981.

    13F-HR 0001420506-26-001335 filed by Main Street Research LLC
    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 269,193 shares
    Change vs previous 13F +9,344 shares

    3.26% of the 13F portfolio, value $56,064,761.

    13F-HR 0001420506-26-000773 filed by Main Street Research LLC
    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 259,849 shares
    Change vs previous 13F -3,085 shares

    3.43% of the 13F portfolio, value $59,978,274.

    13F-HR 0001420506-26-000210 filed by Main Street Research LLC
    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 262,934 shares
    Change vs previous 13F +38,770 shares

    3.12% of the 13F portfolio, value $57,732,350.

    13F-HR 0001420506-25-003188 filed by Main Street Research LLC
    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 224,164 shares
    Change vs previous 13F -88,286 shares

    3.06% of the 13F portfolio, value $49,179,272.

    13F-HR 0001420506-25-001710 filed by Main Street Research LLC
    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 312,450 shares
    Change vs previous 13F +5,502 shares

    3.88% of the 13F portfolio, value $59,446,666.

    13F-HR 0001420506-25-000840 filed by Main Street Research LLC
    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 306,948 shares
    Change vs previous 13F +7,792 shares

    4.2% of the 13F portfolio, value $67,341,283.

    13F-HR 0001420506-25-000201 filed by Main Street Research LLC
    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 299,156 shares
    Change vs previous 13F not available

    3.51% of the 13F portfolio, value $55,741,704.

    13F-HR 0001941040-24-000499 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

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