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Disclosery

BANK OF MONTREAL /CAN/: STX position timeline

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

BANK OF MONTREAL /CAN/ held 658,813 STX 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 658,813 shares
    Change vs previous 13F -349,678 shares

    0.24% of the 13F portfolio, value $635,754,685.

    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 1,008,491 shares
    Change vs previous 13F +214,448 shares

    0.17% of the 13F portfolio, value $395,086,433.

    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 794,043 shares
    Change vs previous 13F +474,421 shares

    0.09% of the 13F portfolio, value $218,671,502.

    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 319,622 shares
    Change vs previous 13F +149,052 shares

    0.03% of the 13F portfolio, value $75,449,970.

    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 170,570 shares
    Change vs previous 13F -30,746 shares

    0.01% of the 13F portfolio, value $24,618,369.

    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 201,316 shares
    Change vs previous 13F -11,493 shares

    0.01% of the 13F portfolio, value $17,101,794.

    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 212,809 shares
    Change vs previous 13F -2,340 shares

    0.01% of the 13F portfolio, value $18,367,543.

    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 215,149 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $23,395,302.

    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).