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Disclosery

SEI INVESTMENTS CO: IOSP position timeline

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

SEI INVESTMENTS CO held 156,051 IOSP 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 156,051 shares
    Change vs previous 13F -18,070 shares

    0.01% of the 13F portfolio, value $12,701,035.

    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 174,121 shares
    Change vs previous 13F +70,419 shares

    0.01% of the 13F portfolio, value $12,714,498.

    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 103,702 shares
    Change vs previous 13F +37,181 shares

    0.01% of the 13F portfolio, value $7,937,617.

    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 66,521 shares
    Change vs previous 13F +11,049 shares

    0.01% of the 13F portfolio, value $5,132,953.

    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 55,472 shares
    Change vs previous 13F +6,871 shares

    0.01% of the 13F portfolio, value $4,664,537.

    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 48,601 shares
    Change vs previous 13F -90,572 shares

    0.01% of the 13F portfolio, value $4,604,663.

    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 139,173 shares
    Change vs previous 13F -5,606 shares

    0.02% of the 13F portfolio, value $15,317,240.

    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 144,779 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $16,373,090.

    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).