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Disclosery

BANK OF MONTREAL /CAN/: ARM position timeline

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

BANK OF MONTREAL /CAN/ held 97,748 ARM 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 97,748 shares
    Change vs previous 13F +44,309 shares

    0.01% of the 13F portfolio, value $34,658,509.

    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 53,439 shares
    Change vs previous 13F -64,935 shares

    <0.01% of the 13F portfolio, value $8,084,252.

    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 118,374 shares
    Change vs previous 13F +81,683 shares

    0.01% of the 13F portfolio, value $12,939,460.

    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 36,691 shares
    Change vs previous 13F +4,055 shares

    <0.01% of the 13F portfolio, value $5,191,409.

    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 32,636 shares
    Change vs previous 13F -113,483 shares

    <0.01% of the 13F portfolio, value $5,278,547.

    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 146,119 shares
    Change vs previous 13F +99,132 shares

    0.01% of the 13F portfolio, value $15,604,048.

    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 46,987 shares
    Change vs previous 13F +10,535 shares

    <0.01% of the 13F portfolio, value $5,796,316.

    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 36,452 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $5,306,682.

    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).