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Charles Schwab Trust Co: SIGA position timeline

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

Charles Schwab Trust Co held 349,820 SIGA 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 349,820 shares
    Change vs previous 13F +9,499 shares

    <0.01% of the 13F portfolio, value $1,273,345.

    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 340,321 shares
    Change vs previous 13F +23,620 shares

    <0.01% of the 13F portfolio, value $1,820,717.

    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 316,701 shares
    Change vs previous 13F -32,675 shares

    <0.01% of the 13F portfolio, value $1,935,043.

    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 349,376 shares
    Change vs previous 13F +13,781 shares

    <0.01% of the 13F portfolio, value $3,196,790.

    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 335,595 shares
    Change vs previous 13F -25,189 shares

    <0.01% of the 13F portfolio, value $2,188,079.

    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 360,784 shares
    Change vs previous 13F -101,404 shares

    <0.01% of the 13F portfolio, value $1,977,096.

    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 462,188 shares
    Change vs previous 13F -45,074 shares

    <0.01% of the 13F portfolio, value $2,777,750.

    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 507,262 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,424,019.

    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).