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Madden Advisory Services, Inc.: SCHO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Madden Advisory Services, Inc. on SCHO, newest first. How the timeline and the estimate are built.

Madden Advisory Services, Inc. held 40,351 SCHO shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 40,351 shares
    Change vs previous 13F +6,184 shares

    0.35% of the 13F portfolio, value $974,080.

    13F-HR 0001172661-26-003031 filed by Madden Advisory Services, 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 34,167 shares
    Change vs previous 13F +5,894 shares

    0.33% of the 13F portfolio, value $829,244.

    13F-HR 0001172661-26-001651 filed by Madden Advisory Services, 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 28,273 shares
    Change vs previous 13F +1,483 shares

    0.28% of the 13F portfolio, value $689,013.

    13F-HR 0001172661-26-000626 filed by Madden Advisory Services, 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 26,790 shares
    Change vs previous 13F not available

    0.25% of the 13F portfolio, value $653,676.

    13F-HR 0001172661-25-004425 filed by Madden Advisory Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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