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WELLINGTON MANAGEMENT GROUP LLP: WDC position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 863,206 WDC 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 863,206 shares
    Change vs previous 13F +830,157 shares

    0.1% of the 13F portfolio, value $551,346,936.

    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 33,049 shares
    Change vs previous 13F +1,856 shares

    <0.01% of the 13F portfolio, value $8,939,424.

    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 31,193 shares
    Change vs previous 13F +1,404 shares

    <0.01% of the 13F portfolio, value $5,373,619.

    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 29,789 shares
    Change vs previous 13F -1,139 shares

    <0.01% of the 13F portfolio, value $3,576,467.

    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 30,928 shares
    Change vs previous 13F -46,013 shares

    <0.01% of the 13F portfolio, value $1,979,082.

    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 76,941 shares
    Change vs previous 13F +1,105 shares

    <0.01% of the 13F portfolio, value $3,110,724.

    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 75,836 shares
    Change vs previous 13F +27,335 shares

    <0.01% of the 13F portfolio, value $4,522,100.

    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 48,501 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,312,133.

    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).