Skip to content
Disclosery

Prospect Hill Management, LLC: AMZN position timeline

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

Prospect Hill Management, LLC held 52,793 AMZN shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 52,793 shares
    Change vs previous 13F +50 shares

    4.89% of the 13F portfolio, value $12,582,684.

    13F-HR 0001837320-26-000003 filed by Prospect Hill Management, 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 52,743 shares
    Change vs previous 13F +50 shares

    4.9% of the 13F portfolio, value $10,984,785.

    13F-HR 0001837320-26-000002 filed by Prospect Hill Management, 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 52,693 shares
    Change vs previous 13F +1,400 shares

    4.92% of the 13F portfolio, value $12,162,598.

    13F-HR 0001837320-26-000001 filed by Prospect Hill Management, 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 51,293 shares
    Change vs previous 13F +150 shares

    4.81% of the 13F portfolio, value $11,262,404.

    13F-HR 0001837320-25-000009 filed by Prospect Hill Management, 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 51,143 shares
    Change vs previous 13F -500 shares

    5.79% of the 13F portfolio, value $11,220,263.

    13F-HR 0001837320-25-000008 filed by Prospect Hill Management, 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 51,643 shares
    Change vs previous 13F -75 shares

    5.12% of the 13F portfolio, value $9,825,597.

    13F-HR 0001837320-25-000007 filed by Prospect Hill Management, 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 51,718 shares
    Change vs previous 13F -100 shares

    4.99% of the 13F portfolio, value $11,346,412.

    13F-HR 0001837320-25-000001 filed by Prospect Hill Management, 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 51,818 shares
    Change vs previous 13F not available

    4.85% of the 13F portfolio, value $9,655,248.

    13F-HR 0001837320-24-000004 filed by Prospect Hill Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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