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Mason Investment Advisory Services, Inc.: IWM position timeline

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

Mason Investment Advisory Services, Inc. held 758 IWM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 758 shares
    Change vs previous 13F +758 shares

    0.01% of the 13F portfolio, value $227,803.

    13F-HR 0001140361-26-032728 filed by Mason Investment 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 0 shares
    Change vs previous 13F -1,174 shares

    13F-HR 0001140361-26-021278 filed by Mason Investment Advisory Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-12-31
    13F 1,174 shares
    Change vs previous 13F +3 shares

    0.01% of the 13F portfolio, value $289,000.

    13F-HR 0001140361-26-004973 filed by Mason Investment 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 1,171 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $283,456.

    13F-HR 0001140361-25-041541 filed by Mason Investment Advisory Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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