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Disclosery

BANK OF MONTREAL /CAN/: ATO position timeline

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

BANK OF MONTREAL /CAN/ held 199,427 ATO 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 199,427 shares
    Change vs previous 13F +34,426 shares

    0.01% of the 13F portfolio, value $34,355,336.

    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 165,001 shares
    Change vs previous 13F -35,644 shares

    0.01% of the 13F portfolio, value $30,478,972.

    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 200,645 shares
    Change vs previous 13F +3,705 shares

    0.01% of the 13F portfolio, value $33,634,058.

    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 196,940 shares
    Change vs previous 13F +1,147 shares

    0.01% of the 13F portfolio, value $33,627,556.

    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 195,793 shares
    Change vs previous 13F -37,679 shares

    0.02% of the 13F portfolio, value $30,173,660.

    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 233,472 shares
    Change vs previous 13F -16,320 shares

    0.02% of the 13F portfolio, value $36,090,102.

    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 249,792 shares
    Change vs previous 13F -28,237 shares

    0.02% of the 13F portfolio, value $34,788,532.

    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 278,029 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $38,306,835.

    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).