Skip to content
Disclosery

SEI INVESTMENTS CO: TNDM position timeline

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

SEI INVESTMENTS CO held 15,814 TNDM 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 15,814 shares
    Change vs previous 13F -79,492 shares

    <0.01% of the 13F portfolio, value $238,638.

    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 95,306 shares
    Change vs previous 13F -11,292 shares

    <0.01% of the 13F portfolio, value $1,827,041.

    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 106,598 shares
    Change vs previous 13F -109,386 shares

    <0.01% of the 13F portfolio, value $2,343,003.

    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 215,984 shares
    Change vs previous 13F +29,253 shares

    <0.01% of the 13F portfolio, value $2,622,034.

    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 186,731 shares
    Change vs previous 13F +62,375 shares

    <0.01% of the 13F portfolio, value $3,480,681.

    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 124,356 shares
    Change vs previous 13F +549 shares

    <0.01% of the 13F portfolio, value $2,382,646.

    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 123,807 shares
    Change vs previous 13F +93,256 shares

    0.01% of the 13F portfolio, value $4,459,513.

    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 30,551 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,295,657.

    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).