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Disclosery

BANK OF MONTREAL /CAN/: ARGX position timeline

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

BANK OF MONTREAL /CAN/ held 77,213 ARGX 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 77,213 shares
    Change vs previous 13F -8,120 shares

    0.03% of the 13F portfolio, value $71,635,905.

    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 85,333 shares
    Change vs previous 13F +68,956 shares

    0.03% of the 13F portfolio, value $62,314,424.

    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 16,377 shares
    Change vs previous 13F +6,071 shares

    0.01% of the 13F portfolio, value $13,772,239.

    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 10,306 shares
    Change vs previous 13F +873 shares

    <0.01% of the 13F portfolio, value $7,601,293.

    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 9,433 shares
    Change vs previous 13F +130 shares

    <0.01% of the 13F portfolio, value $5,199,658.

    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 9,303 shares
    Change vs previous 13F +67 shares

    <0.01% of the 13F portfolio, value $5,506,120.

    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 9,236 shares
    Change vs previous 13F +929 shares

    <0.01% of the 13F portfolio, value $5,680,140.

    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 8,307 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,453,467.

    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).