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Disclosery

SRB CORP: XLB position timeline

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

SRB CORP held 1,729,580 XLB shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,729,580 shares
    Change vs previous 13F 0 shares

    4.73% of the 13F portfolio, value $87,914,551.

    13F-HR 0000904454-26-000456 filed by SRB CORP
    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 1,729,580 shares
    Change vs previous 13F 0 shares

    5.31% of the 13F portfolio, value $86,427,112.

    13F-HR 0000904454-26-000289 filed by SRB CORP
    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 1,729,580 shares
    Change vs previous 13F +864,790 shares

    4.31% of the 13F portfolio, value $78,436,453.

    13F-HR 0000904454-26-000102 filed by SRB CORP
    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 864,790 shares
    Change vs previous 13F 0 shares

    4.44% of the 13F portfolio, value $77,502,479.

    13F-HR 0000904454-25-000595 filed by SRB CORP
    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 864,790 shares
    Change vs previous 13F +134,501 shares

    4.56% of the 13F portfolio, value $75,937,210.

    13F-HR 0000904454-25-000420 filed by SRB CORP
    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 730,289 shares
    Change vs previous 13F +694,800 shares

    4.1% of the 13F portfolio, value $62,790,249.

    13F-HR 0000904454-25-000270 filed by SRB CORP
    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 35,489 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $2,986,044.

    13F-HR 0000904454-25-000128 filed by SRB CORP
    Filed (acceptance time not in the bulk data set), ingested

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