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Russell Investments Group, Ltd.: IOSP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Russell Investments Group, Ltd. on IOSP, newest first. How the timeline and the estimate are built.

Russell Investments Group, Ltd. held 118,614 IOSP shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 118,614 shares
    Change vs previous 13F +47,007 shares

    0.01% of the 13F portfolio, value $9,642,448.

    13F-HR 0001193125-26-336961 filed by Russell Investments Group, Ltd.
    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 71,607 shares
    Change vs previous 13F +59,979 shares

    0.01% of the 13F portfolio, value $5,228,892.

    13F-HR 0001193125-26-213225 filed by Russell Investments Group, Ltd.
    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 11,628 shares
    Change vs previous 13F +4,514 shares

    <0.01% of the 13F portfolio, value $890,044.

    13F-HR 0001193125-26-053181 filed by Russell Investments Group, Ltd.
    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 7,114 shares
    Change vs previous 13F +1,766 shares

    <0.01% of the 13F portfolio, value $548,915.

    13F-HR 0001193125-25-278803 filed by Russell Investments Group, Ltd.
    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 5,348 shares
    Change vs previous 13F +353 shares

    <0.01% of the 13F portfolio, value $449,781.

    13F-HR 0000950123-25-007728 filed by Russell Investments Group, Ltd.
    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 4,995 shares
    Change vs previous 13F +753 shares

    <0.01% of the 13F portfolio, value $473,275.

    13F-HR 0000950123-25-004729 filed by Russell Investments Group, Ltd.
    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 4,242 shares
    Change vs previous 13F +22 shares

    <0.01% of the 13F portfolio, value $466,874.

    13F-HR 0000950123-25-001908 filed by Russell Investments Group, Ltd.
    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 4,220 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $477,239.

    13F-HR 0000950123-24-011064 filed by Russell Investments Group, Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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