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

Robeco Institutional Asset Management B.V. held 35,694 AON 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 35,694 shares
    Change vs previous 13F -16,914 shares

    0.01% of the 13F portfolio, value $11,839,343.

    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 52,608 shares
    Change vs previous 13F -10,587 shares

    0.02% of the 13F portfolio, value $16,980,809.

    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 63,195 shares
    Change vs previous 13F +6,721 shares

    0.03% of the 13F portfolio, value $22,300,251.

    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 56,474 shares
    Change vs previous 13F -701 shares

    0.03% of the 13F portfolio, value $20,137,500.

    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 57,175 shares
    Change vs previous 13F +3,067 shares

    0.03% of the 13F portfolio, value $20,397,752.

    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 54,108 shares
    Change vs previous 13F +747 shares

    0.04% of the 13F portfolio, value $21,593,963.

    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 53,361 shares
    Change vs previous 13F +961 shares

    0.04% of the 13F portfolio, value $19,165,136.

    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 52,400 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $18,129,875.

    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).