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Robeco Institutional Asset Management B.V.: WDC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Robeco Institutional Asset Management B.V. on WDC, newest first. How the timeline and the estimate are built.

Robeco Institutional Asset Management B.V. held 630,680 WDC shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 630,680 shares
    Change vs previous 13F -354,005 shares

    0.49% of the 13F portfolio, value $402,827,927.

    13F-HR 0001418773-26-000003 filed by Robeco Institutional Asset Management B.V.
    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 984,685 shares
    Change vs previous 13F -392,066 shares

    0.38% of the 13F portfolio, value $266,347,449.

    13F-HR 0001418773-26-000002 filed by Robeco Institutional Asset Management B.V.
    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 1,376,751 shares
    Change vs previous 13F +594,003 shares

    0.34% of the 13F portfolio, value $237,172,895.

    13F-HR 0001418773-26-000001 filed by Robeco Institutional Asset Management B.V.
    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 782,748 shares
    Change vs previous 13F +421,039 shares

    0.14% of the 13F portfolio, value $93,976,726.

    13F-HR 0001418773-25-000002 filed by Robeco Institutional Asset Management B.V.
    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 361,709 shares
    Change vs previous 13F +235,738 shares

    0.04% of the 13F portfolio, value $23,145,759.

    13F-HR 0001085146-25-003972 filed by Robeco Institutional Asset Management B.V.
    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 125,971 shares
    Change vs previous 13F +108,403 shares

    0.01% of the 13F portfolio, value $5,093,007.

    13F-HR 0001085146-25-002276 filed by Robeco Institutional Asset Management B.V.
    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 17,568 shares
    Change vs previous 13F -8,834 shares

    <0.01% of the 13F portfolio, value $1,047,580.

    13F-HR 0001085146-25-000410 filed by Robeco Institutional Asset Management B.V.
    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 26,402 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,802,993.

    13F-HR 0001085146-24-005220 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

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