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Disclosery

BANK OF MONTREAL /CAN/: AON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BANK OF MONTREAL /CAN/ on AON, newest first. How the timeline and the estimate are built.

BANK OF MONTREAL /CAN/ held 283,011 AON shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 283,011 shares
    Change vs previous 13F -5,224 shares

    0.03% of the 13F portfolio, value $93,871,928.

    13F-HR 0000927971-26-000090 filed by BANK OF MONTREAL /CAN/
    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 288,235 shares
    Change vs previous 13F -27,737 shares

    0.04% of the 13F portfolio, value $93,036,429.

    13F-HR 0000927971-26-000078 filed by BANK OF MONTREAL /CAN/
    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 315,972 shares
    Change vs previous 13F -90,680 shares

    0.04% of the 13F portfolio, value $111,500,048.

    13F-HR 0000927971-26-000035 filed by BANK OF MONTREAL /CAN/
    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 406,652 shares
    Change vs previous 13F +82,970 shares

    0.06% of the 13F portfolio, value $145,003,776.

    13F-HR 0000927971-25-000027 filed by BANK OF MONTREAL /CAN/
    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 323,682 shares
    Change vs previous 13F -46,509 shares

    0.06% of the 13F portfolio, value $115,476,596.

    13F-HR 0000927971-25-000018 filed by BANK OF MONTREAL /CAN/
    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 370,191 shares
    Change vs previous 13F +6,708 shares

    0.08% of the 13F portfolio, value $147,739,397.

    13F-HR 0000927971-25-000015 filed by BANK OF MONTREAL /CAN/
    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 363,483 shares
    Change vs previous 13F -196,510 shares

    0.06% of the 13F portfolio, value $130,548,559.

    13F-HR 0000927971-25-000008 filed by BANK OF MONTREAL /CAN/
    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 559,993 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $194,692,877.

    13F-HR 0000927971-24-000013 filed by BANK OF MONTREAL /CAN/
    Filed (acceptance time not in the bulk data set), ingested

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