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Disclosery

BANK OF MONTREAL /CAN/: CIEN position timeline

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

BANK OF MONTREAL /CAN/ held 105,944 CIEN 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 105,944 shares
    Change vs previous 13F +24,598 shares

    0.02% of the 13F portfolio, value $51,971,889.

    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 81,346 shares
    Change vs previous 13F +45,455 shares

    0.01% of the 13F portfolio, value $31,580,958.

    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 35,891 shares
    Change vs previous 13F +3,073 shares

    <0.01% of the 13F portfolio, value $8,393,829.

    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 32,818 shares
    Change vs previous 13F -2,367 shares

    <0.01% of the 13F portfolio, value $4,780,598.

    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 35,185 shares
    Change vs previous 13F -22,870 shares

    <0.01% of the 13F portfolio, value $2,861,596.

    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 58,055 shares
    Change vs previous 13F -4,242 shares

    <0.01% of the 13F portfolio, value $3,508,264.

    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 62,297 shares
    Change vs previous 13F +13,414 shares

    <0.01% of the 13F portfolio, value $5,283,409.

    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 48,883 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,021,457.

    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).