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Disclosery

SEI INVESTMENTS CO: GLW position timeline

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

SEI INVESTMENTS CO held 600,936 GLW 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 600,936 shares
    Change vs previous 13F -46,568 shares

    0.14% of the 13F portfolio, value $153,498,735.

    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 647,504 shares
    Change vs previous 13F -232,320 shares

    0.08% of the 13F portfolio, value $88,042,067.

    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 879,824 shares
    Change vs previous 13F -110,806 shares

    0.08% of the 13F portfolio, value $77,037,181.

    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 990,630 shares
    Change vs previous 13F +617,623 shares

    0.09% of the 13F portfolio, value $81,260,710.

    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 373,007 shares
    Change vs previous 13F +78,145 shares

    0.02% of the 13F portfolio, value $19,616,457.

    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 294,862 shares
    Change vs previous 13F +117,985 shares

    0.02% of the 13F portfolio, value $13,498,712.

    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 176,877 shares
    Change vs previous 13F -75,126 shares

    0.01% of the 13F portfolio, value $8,405,560.

    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 252,003 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $11,377,775.

    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).