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Robeco Institutional Asset Management B.V.: ATAT 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 ATAT, newest first. How the timeline and the estimate are built.

Robeco Institutional Asset Management B.V. held 8,138 ATAT 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 8,138 shares
    Change vs previous 13F +8,138 shares

    <0.01% of the 13F portfolio, value $258,788.

    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 ended2025-12-31
    13F 0 shares
    Change vs previous 13F -16,480 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-09-30
    13F 16,480 shares
    Change vs previous 13F -1,715 shares

    <0.01% of the 13F portfolio, value $619,483.

    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).

  4. period ended2025-06-30
    13F 18,195 shares
    Change vs previous 13F +10,833 shares

    <0.01% of the 13F portfolio, value $591,520.

    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).

  5. period ended2025-03-31
    13F 7,362 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $208,713.

    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).