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BlackRock Inc.: AMPX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock Inc. on AMPX, newest first. How the timeline and the estimate are built.

BlackRock Inc. held 629,725 AMPX shares at 2024-06-30 per its 13F-HR filed 2024-08-13.

the latest 13F is the newest step

  1. period ended2024-06-30
    13F 629,725 shares
    Change vs previous 13F +106,942 shares

    <0.01% of the 13F portfolio, value $799,751.

    13F-HR 0001086364-24-008417 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2024-03-31
    13F 522,783 shares
    Change vs previous 13F -21,834 shares

    <0.01% of the 13F portfolio, value $1,385,375.

    13F-HR 0001086364-24-007638 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2023-12-31
    13F 544,617 shares
    Change vs previous 13F +88,562 shares

    <0.01% of the 13F portfolio, value $2,881,023.

    13F-HR 0001086364-24-006999 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2023-09-30
    13F 456,055 shares
    Change vs previous 13F +47,335 shares

    <0.01% of the 13F portfolio, value $2,161,701.

    13F-HR 0001306550-23-010335 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2023-06-30
    13F 408,720 shares
    Change vs previous 13F +241,384 shares

    <0.01% of the 13F portfolio, value $2,934,609.

    13F-HR 0001306550-23-009732 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2023-03-31
    13F 167,336 shares
    Change vs previous 13F +78 shares

    <0.01% of the 13F portfolio, value $1,457,496.

    13F-HR 0001086364-23-000015 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2022-12-31
    13F 167,258 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,326,356.

    13F-HR 0000913414-23-000035 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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