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

Robeco Institutional Asset Management B.V. held 6,381 ATEN 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 6,381 shares
    Change vs previous 13F +6,381 shares

    <0.01% of the 13F portfolio, value $238,394.

    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 -11,973 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 11,973 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $217,310.

    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 11,973 shares
    Change vs previous 13F -8,619 shares

    <0.01% of the 13F portfolio, value $231,678.

    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 20,592 shares
    Change vs previous 13F +6,893 shares

    <0.01% of the 13F portfolio, value $336,473.

    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).

  6. period ended2024-12-31
    13F 13,699 shares
    Change vs previous 13F +2,690 shares

    <0.01% of the 13F portfolio, value $252,062.

    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).

  7. period ended2024-09-30
    13F 11,009 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $158,970.

    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).