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Disclosery

AMERICAN CENTURY COMPANIES INC: ADTN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMERICAN CENTURY COMPANIES INC on ADTN, newest first. How the timeline and the estimate are built.

AMERICAN CENTURY COMPANIES INC held 238,878 ADTN shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 238,878 shares
    Change vs previous 13F +22,616 shares

    <0.01% of the 13F portfolio, value $3,320,404.

    13F-HR 0000748054-26-000005 filed by AMERICAN CENTURY COMPANIES INC
    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 216,262 shares
    Change vs previous 13F -1,295 shares

    <0.01% of the 13F portfolio, value $2,720,576.

    13F-HR 0000748054-26-000002 filed by AMERICAN CENTURY COMPANIES INC
    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 217,557 shares
    Change vs previous 13F -20,066 shares

    <0.01% of the 13F portfolio, value $1,890,571.

    13F-HR 0000748054-26-000001 filed by AMERICAN CENTURY COMPANIES INC
    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 237,623 shares
    Change vs previous 13F +13,608 shares

    <0.01% of the 13F portfolio, value $2,228,903.

    13F-HR 0000748054-25-000009 filed by AMERICAN CENTURY COMPANIES INC
    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 224,015 shares
    Change vs previous 13F +22,524 shares

    <0.01% of the 13F portfolio, value $2,009,415.

    13F-HR 0001085146-25-004910 filed by AMERICAN CENTURY COMPANIES INC
    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 201,491 shares
    Change vs previous 13F +29,391 shares

    <0.01% of the 13F portfolio, value $1,757,001.

    13F-HR 0001085146-25-003039 filed by AMERICAN CENTURY COMPANIES INC
    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 172,100 shares
    Change vs previous 13F +59,985 shares

    <0.01% of the 13F portfolio, value $1,433,593.

    13F-HR 0001085146-25-000985 filed by AMERICAN CENTURY COMPANIES INC
    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 112,115 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $664,842.

    13F-HR 0001085146-24-005525 filed by AMERICAN CENTURY COMPANIES INC
    Filed (acceptance time not in the bulk data set), ingested

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