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Charles Schwab Trust Co: AMSC position timeline

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

Charles Schwab Trust Co held 399,125 AMSC 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 399,125 shares
    Change vs previous 13F +13,711 shares

    <0.01% of the 13F portfolio, value $16,567,679.

    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 385,414 shares
    Change vs previous 13F -2,093 shares

    <0.01% of the 13F portfolio, value $13,046,264.

    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 387,507 shares
    Change vs previous 13F -719 shares

    <0.01% of the 13F portfolio, value $11,152,458.

    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 388,226 shares
    Change vs previous 13F +65,268 shares

    <0.01% of the 13F portfolio, value $23,056,742.

    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 322,958 shares
    Change vs previous 13F +13,277 shares

    <0.01% of the 13F portfolio, value $11,849,329.

    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 309,681 shares
    Change vs previous 13F -8,188 shares

    <0.01% of the 13F portfolio, value $5,617,613.

    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 317,869 shares
    Change vs previous 13F +13,341 shares

    <0.01% of the 13F portfolio, value $7,829,113.

    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 304,528 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $7,186,861.

    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).