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Disclosery

American Research & Management Co.: AMZN position timeline

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

American Research & Management Co. held 59,446 AMZN shares at 2022-09-30 per its 13F-HR filed 2022-10-07.

the latest 13F is the newest step

  1. period ended2022-09-30
    13F 59,446 shares
    Change vs previous 13F +678 shares

    1.85% of the 13F portfolio, value $6,717,000.

    13F-HR 0000909012-22-000112 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2022-06-30
    13F 58,768 shares
    Change vs previous 13F +56,020 shares

    1.6% of the 13F portfolio, value $6,242,000.

    13F-HR 0000909012-22-000079 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2022-03-31
    13F 2,748 shares
    Change vs previous 13F -16 shares

    1.98% of the 13F portfolio, value $8,958,000.

    13F-HR 0000909012-22-000052 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2021-12-31
    13F 2,764 shares
    Change vs previous 13F -6 shares

    1.99% of the 13F portfolio, value $9,216,000.

    13F-HR 0000909012-22-000017 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2021-09-30
    13F 2,770 shares
    Change vs previous 13F +30 shares

    2.1% of the 13F portfolio, value $9,100,000.

    13F-HR 0000909012-21-000134 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2021-06-30
    13F 2,740 shares
    Change vs previous 13F +83 shares

    2.15% of the 13F portfolio, value $9,426,000.

    13F-HR 0000909012-21-000100 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2021-03-31
    13F 2,657 shares
    Change vs previous 13F +22 shares

    1.98% of the 13F portfolio, value $8,221,000.

    13F-HR 0000909012-21-000060 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2020-12-31
    13F 2,635 shares
    Change vs previous 13F not available

    2.23% of the 13F portfolio, value $8,582,000.

    13F-HR 0000909012-21-000010 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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