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Madden Advisory Services, Inc.: QQQ position timeline

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

Madden Advisory Services, Inc. held 7,501 QQQ 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 7,501 shares
    Change vs previous 13F -201 shares

    1.98% of the 13F portfolio, value $5,524,201.

    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 7,702 shares
    Change vs previous 13F +1,343 shares

    1.75% of the 13F portfolio, value $4,445,227.

    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 6,359 shares
    Change vs previous 13F +1,684 shares

    1.57% of the 13F portfolio, value $3,906,139.

    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 4,675 shares
    Change vs previous 13F +1,553 shares

    1.09% of the 13F portfolio, value $2,807,020.

    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).

  5. period ended2025-06-30
    13F 3,122 shares
    Change vs previous 13F +188 shares

    0.73% of the 13F portfolio, value $1,722,461.

    13F-HR 0001172661-25-002689 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).

  6. period ended2025-03-31
    13F 2,934 shares
    Change vs previous 13F +72 shares

    0.64% of the 13F portfolio, value $1,375,984.

    13F-HR 0001172661-25-001580 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).

  7. period ended2024-12-31
    13F 2,862 shares
    Change vs previous 13F +375 shares

    0.68% of the 13F portfolio, value $1,463,328.

    13F-HR 0001172661-25-000762 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).

  8. period ended2024-09-30
    13F 2,487 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $1,213,959.

    13F-HR 0001172661-24-004402 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).