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Disclosery

SRB CORP: XLK position timeline

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

SRB CORP held 1,200,431 XLK 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 1,200,431 shares
    Change vs previous 13F +347,007 shares

    12.3% of the 13F portfolio, value $228,706,114.

    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 853,424 shares
    Change vs previous 13F 0 shares

    6.97% of the 13F portfolio, value $113,420,049.

    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 853,424 shares
    Change vs previous 13F +452,800 shares

    6.74% of the 13F portfolio, value $122,867,453.

    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 400,624 shares
    Change vs previous 13F +76,439 shares

    6.47% of the 13F portfolio, value $112,919,881.

    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 324,185 shares
    Change vs previous 13F -187,297 shares

    4.93% of the 13F portfolio, value $82,093,367.

    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 511,482 shares
    Change vs previous 13F not available

    6.89% of the 13F portfolio, value $105,610,803.

    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).