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NISA INVESTMENT ADVISORS, LLC: SDRL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of NISA INVESTMENT ADVISORS, LLC on SDRL, newest first. How the timeline and the estimate are built.

NISA INVESTMENT ADVISORS, LLC held 7,576 SDRL shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,576 shares
    Change vs previous 13F +625 shares

    <0.01% of the 13F portfolio, value $286,524.

    13F-HR 0000937615-26-000005 filed by NISA INVESTMENT ADVISORS, LLC
    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 6,951 shares
    Change vs previous 13F -14,800 shares

    <0.01% of the 13F portfolio, value $316,271.

    13F-HR 0000937615-26-000003 filed by NISA INVESTMENT ADVISORS, LLC
    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 21,751 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $752,585.

    13F-HR 0000937615-26-000002 filed by NISA INVESTMENT ADVISORS, LLC
    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 21,751 shares
    Change vs previous 13F +33 shares

    <0.01% of the 13F portfolio, value $657,098.

    13F-HR 0000937615-25-000011 filed by NISA INVESTMENT ADVISORS, LLC
    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 21,718 shares
    Change vs previous 13F +21,023 shares

    <0.01% of the 13F portfolio, value $570,098.

    13F-HR 0000937615-25-000006 filed by NISA INVESTMENT ADVISORS, LLC
    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 695 shares
    Change vs previous 13F +45 shares

    <0.01% of the 13F portfolio, value $17,375.

    13F-HR 0000937615-25-000003 filed by NISA INVESTMENT ADVISORS, LLC
    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 650 shares
    Change vs previous 13F -137 shares

    <0.01% of the 13F portfolio, value $25,305.

    13F-HR 0000937615-25-000002 filed by NISA INVESTMENT ADVISORS, LLC
    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 787 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $31,275.

    13F-HR 0000937615-24-000011 filed by NISA INVESTMENT ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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