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STIFEL FINANCIAL CORP: AMPX position timeline

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

STIFEL FINANCIAL CORP held 731,470 AMPX shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 731,470 shares
    Change vs previous 13F -1,702 shares

    0.01% of the 13F portfolio, value $10,138,180.

    13F-HR 0000720672-26-000012 filed by STIFEL FINANCIAL 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 733,172 shares
    Change vs previous 13F -38,337 shares

    0.01% of the 13F portfolio, value $12,361,281.

    13F-HR 0000720672-26-000007 filed by STIFEL FINANCIAL 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 771,509 shares
    Change vs previous 13F -24,282 shares

    0.01% of the 13F portfolio, value $6,087,214.

    13F-HR 0000720672-26-000003 filed by STIFEL FINANCIAL 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 795,791 shares
    Change vs previous 13F -100,434 shares

    0.01% of the 13F portfolio, value $8,371,737.

    13F-HR 0000720672-25-000015 filed by STIFEL FINANCIAL 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 896,225 shares
    Change vs previous 13F -4,558 shares

    <0.01% of the 13F portfolio, value $3,773,110.

    13F-HR 0000720672-25-000009 filed by STIFEL FINANCIAL 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 900,783 shares
    Change vs previous 13F +5,023 shares

    <0.01% of the 13F portfolio, value $2,414,093.

    13F-HR 0000720672-25-000006 filed by STIFEL FINANCIAL 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 895,760 shares
    Change vs previous 13F +631,483 shares

    <0.01% of the 13F portfolio, value $2,508,126.

    13F-HR 0000720672-25-000003 filed by STIFEL FINANCIAL 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 264,277 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $293,361.

    13F-HR 0000720672-24-000018 filed by STIFEL FINANCIAL CORP
    Filed (acceptance time not in the bulk data set), ingested

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