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Disclosery

RHUMBLINE ADVISERS: ISTR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RHUMBLINE ADVISERS on ISTR, newest first. How the timeline and the estimate are built.

RHUMBLINE ADVISERS held 14,889 ISTR shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 14,889 shares
    Change vs previous 13F +5,365 shares

    <0.01% of the 13F portfolio, value $446,068.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 9,524 shares
    Change vs previous 13F +2,149 shares

    <0.01% of the 13F portfolio, value $259,714.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 7,375 shares
    Change vs previous 13F -2,553 shares

    <0.01% of the 13F portfolio, value $197,053.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 9,928 shares
    Change vs previous 13F -523 shares

    <0.01% of the 13F portfolio, value $230,421.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 10,451 shares
    Change vs previous 13F +1,182 shares

    <0.01% of the 13F portfolio, value $201,906.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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/A 9,269 shares
    Change vs previous 13F -440 shares

    <0.01% of the 13F portfolio, value $163,221.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 9,709 shares
    Change vs previous 13F +200 shares

    <0.01% of the 13F portfolio, value $213,203.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 9,509 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $184,472.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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