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Platt Investment Counsel, LLC: QQQ position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Platt Investment Counsel, LLC on QQQ, newest first. How the timeline and the estimate are built.

Platt Investment Counsel, LLC held 29,938 QQQ shares at 2026-09-30 per its 13F-HR filed 2026-10-07.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 29,938 shares
    Change vs previous 13F -6,685 shares

    15.24% of the 13F portfolio, value $22,147,295.

    13F-HR 0002085853-26-001102 filed by Platt Investment Counsel, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 36,623 shares
    Change vs previous 13F -254 shares

    18.07% of the 13F portfolio, value $26,969,238.

    13F-HR 0002085853-26-000646 filed by Platt Investment Counsel, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 36,877 shares
    Change vs previous 13F -5,878 shares

    16.39% of the 13F portfolio, value $21,284,714.

    13F-HR 0002085853-26-000328 filed by Platt Investment Counsel, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 42,755 shares
    Change vs previous 13F -403 shares

    19.41% of the 13F portfolio, value $26,264,874.

    13F-HR 0002085853-26-000006 filed by Platt Investment Counsel, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 43,158 shares
    Change vs previous 13F +4,119 shares

    20.41% of the 13F portfolio, value $25,910,818.

    13F-HR 0002085853-25-000074 filed by Platt Investment Counsel, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 39,039 shares
    Change vs previous 13F -660 shares

    20.46% of the 13F portfolio, value $21,535,585.

    13F-HR 0001667731-25-000731 filed by Platt Investment Counsel, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 39,699 shares
    Change vs previous 13F +717 shares

    18.37% of the 13F portfolio, value $18,615,771.

    13F-HR 0001667731-25-000391 filed by Platt Investment Counsel, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 38,982 shares
    Change vs previous 13F not available

    19.02% of the 13F portfolio, value $19,928,894.

    13F-HR 0001667731-25-000040 filed by Platt Investment Counsel, LLC
    Filed (acceptance time not in the bulk data set), ingested

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