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SEI INVESTMENTS CO: AROC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SEI INVESTMENTS CO on AROC, newest first. How the timeline and the estimate are built.

SEI INVESTMENTS CO held 4,581,507 AROC 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 4,581,507 shares
    Change vs previous 13F +148,152 shares

    0.16% of the 13F portfolio, value $186,512,908.

    13F-HR 0002048251-26-006553 filed by SEI INVESTMENTS CO
    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 4,433,355 shares
    Change vs previous 13F -96,007 shares

    0.14% of the 13F portfolio, value $154,280,803.

    13F-HR 0002048251-26-003739 filed by SEI INVESTMENTS CO
    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 4,529,362 shares
    Change vs previous 13F -969,731 shares

    0.12% of the 13F portfolio, value $117,853,986.

    13F-HR 0000350894-26-000005 filed by SEI INVESTMENTS CO
    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 5,499,093 shares
    Change vs previous 13F +187,252 shares

    0.16% of the 13F portfolio, value $144,681,259.

    13F-HR 0002048251-25-002343 filed by SEI INVESTMENTS CO
    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 5,311,841 shares
    Change vs previous 13F +82,878 shares

    0.15% of the 13F portfolio, value $131,892,949.

    13F-HR 0001041062-25-000162 filed by SEI INVESTMENTS CO
    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 5,228,963 shares
    Change vs previous 13F -125,801 shares

    0.18% of the 13F portfolio, value $137,207,924.

    13F-HR/A 0001041062-25-000106 filed by SEI INVESTMENTS CO
    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 5,354,764 shares
    Change vs previous 13F +411,286 shares

    0.17% of the 13F portfolio, value $133,280,181.

    13F-HR 0001041062-25-000019 filed by SEI INVESTMENTS CO
    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 4,943,478 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $100,056,159.

    13F-HR 0001041062-24-000165 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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