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Charles Schwab Trust Co: AMPH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Charles Schwab Trust Co on AMPH, newest first. How the timeline and the estimate are built.

Charles Schwab Trust Co held 310,178 AMPH shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 310,178 shares
    Change vs previous 13F -10,861 shares

    <0.01% of the 13F portfolio, value $6,259,392.

    13F-HR 0001752724-26-000057 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 321,039 shares
    Change vs previous 13F -29,668 shares

    <0.01% of the 13F portfolio, value $6,289,154.

    13F-HR 0001752724-26-000037 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 350,707 shares
    Change vs previous 13F -5,702 shares

    <0.01% of the 13F portfolio, value $9,391,937.

    13F-HR 0001752724-26-000003 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 356,409 shares
    Change vs previous 13F +9,625 shares

    <0.01% of the 13F portfolio, value $9,498,300.

    13F-HR 0001752724-25-215019 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 346,784 shares
    Change vs previous 13F +20,558 shares

    <0.01% of the 13F portfolio, value $7,962,161.

    13F-HR 0001752724-25-186359 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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/A 326,226 shares
    Change vs previous 13F -21,286 shares

    <0.01% of the 13F portfolio, value $9,457,298.

    13F-HR/A 0001752724-25-215014 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 347,512 shares
    Change vs previous 13F -2,544 shares

    <0.01% of the 13F portfolio, value $12,903,121.

    13F-HR 0001752724-25-020817 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 350,056 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $16,988,218.

    13F-HR 0001752724-24-247180 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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