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WELLINGTON MANAGEMENT GROUP LLP: ATLC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WELLINGTON MANAGEMENT GROUP LLP on ATLC, newest first. How the timeline and the estimate are built.

WELLINGTON MANAGEMENT GROUP LLP held 522,642 ATLC 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 522,642 shares
    Change vs previous 13F -232,316 shares

    0.01% of the 13F portfolio, value $53,440,146.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 754,958 shares
    Change vs previous 13F +50,676 shares

    0.01% of the 13F portfolio, value $39,612,646.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 704,282 shares
    Change vs previous 13F +249,100 shares

    0.01% of the 13F portfolio, value $47,151,681.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 455,182 shares
    Change vs previous 13F +12,861 shares

    <0.01% of the 13F portfolio, value $26,664,561.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 442,321 shares
    Change vs previous 13F +77,043 shares

    <0.01% of the 13F portfolio, value $24,217,075.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 365,278 shares
    Change vs previous 13F +243,053 shares

    <0.01% of the 13F portfolio, value $18,683,969.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    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/A 122,225 shares
    Change vs previous 13F +75,068 shares

    <0.01% of the 13F portfolio, value $6,817,711.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 47,157 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,654,268.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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