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Russell Investments Group, Ltd.: PRK position timeline

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

Russell Investments Group, Ltd. held 8,067 PRK 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 8,067 shares
    Change vs previous 13F +6,926 shares

    <0.01% of the 13F portfolio, value $1,476,180.

    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 1,141 shares
    Change vs previous 13F -48 shares

    <0.01% of the 13F portfolio, value $186,496.

    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 1,189 shares
    Change vs previous 13F -58 shares

    <0.01% of the 13F portfolio, value $180,942.

    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 1,247 shares
    Change vs previous 13F +1,030 shares

    <0.01% of the 13F portfolio, value $202,674.

    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 217 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $36,295.

    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 217 shares
    Change vs previous 13F +211 shares

    <0.01% of the 13F portfolio, value $32,853.

    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 6 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,029.

    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).