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NORTHERN TRUST CORP: AMPX position timeline

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

NORTHERN TRUST CORP held 1,229,628 AMPX shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,229,628 shares
    Change vs previous 13F +207,003 shares

    <0.01% of the 13F portfolio, value $17,042,644.

    13F-HR 0000073124-26-000053 filed by NORTHERN TRUST CORP
    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 1,022,625 shares
    Change vs previous 13F +59,454 shares

    <0.01% of the 13F portfolio, value $17,241,457.

    13F-HR 0000073124-26-000036 filed by NORTHERN TRUST CORP
    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 963,171 shares
    Change vs previous 13F +110,892 shares

    <0.01% of the 13F portfolio, value $7,599,419.

    13F-HR 0000073124-26-000008 filed by NORTHERN TRUST CORP
    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 852,279 shares
    Change vs previous 13F +189,706 shares

    <0.01% of the 13F portfolio, value $8,965,974.

    13F-HR 0000073124-25-000252 filed by NORTHERN TRUST CORP
    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 662,573 shares
    Change vs previous 13F +448,146 shares

    <0.01% of the 13F portfolio, value $2,789,432.

    13F-HR 0001256484-25-000028 filed by NORTHERN TRUST CORP
    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 214,427 shares
    Change vs previous 13F +6,007 shares

    <0.01% of the 13F portfolio, value $574,665.

    13F-HR 0001256484-25-000024 filed by NORTHERN TRUST CORP
    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 208,420 shares
    Change vs previous 13F +52,370 shares

    <0.01% of the 13F portfolio, value $583,577.

    13F-HR 0001256484-25-000011 filed by NORTHERN TRUST CORP
    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 156,050 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $173,215.

    13F-HR 0001256484-24-000032 filed by NORTHERN TRUST CORP
    Filed (acceptance time not in the bulk data set), ingested

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