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Disclosery

SEI INVESTMENTS CO: ACCO position timeline

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

SEI INVESTMENTS CO held 437,524 ACCO 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 437,524 shares
    Change vs previous 13F +18,304 shares

    <0.01% of the 13F portfolio, value $1,820,100.

    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 419,220 shares
    Change vs previous 13F +114,461 shares

    <0.01% of the 13F portfolio, value $1,257,685.

    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 304,759 shares
    Change vs previous 13F +71,077 shares

    <0.01% of the 13F portfolio, value $1,136,767.

    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 233,682 shares
    Change vs previous 13F -71,797 shares

    <0.01% of the 13F portfolio, value $932,389.

    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 305,479 shares
    Change vs previous 13F +64,239 shares

    <0.01% of the 13F portfolio, value $1,093,576.

    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 241,240 shares
    Change vs previous 13F -30,011 shares

    <0.01% of the 13F portfolio, value $1,010,785.

    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 271,251 shares
    Change vs previous 13F -17,091 shares

    <0.01% of the 13F portfolio, value $1,424,009.

    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 288,342 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,577,319.

    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).