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Zurcher Kantonalbank (Zurich Cantonalbank): GLW position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Zurcher Kantonalbank (Zurich Cantonalbank) on GLW, newest first. How the timeline and the estimate are built.

Zurcher Kantonalbank (Zurich Cantonalbank) held 572,281 GLW 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 572,281 shares
    Change vs previous 13F +363,879 shares

    0.28% of the 13F portfolio, value $146,177,736.

    13F-HR 0001368163-26-000004 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 208,402 shares
    Change vs previous 13F +14,539 shares

    0.06% of the 13F portfolio, value $28,336,420.

    13F-HR 0001368163-26-000002 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 193,863 shares
    Change vs previous 13F +387 shares

    0.04% of the 13F portfolio, value $16,974,644.

    13F-HR 0000947871-26-000067 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 193,476 shares
    Change vs previous 13F -178,585 shares

    0.04% of the 13F portfolio, value $15,870,836.

    13F-HR 0000947871-25-001007 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 372,061 shares
    Change vs previous 13F +205,344 shares

    0.05% of the 13F portfolio, value $19,566,688.

    13F-HR 0000947871-25-000725 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 166,717 shares
    Change vs previous 13F +4,572 shares

    0.02% of the 13F portfolio, value $7,632,304.

    13F-HR 0000947871-25-000457 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 162,145 shares
    Change vs previous 13F +11,203 shares

    0.02% of the 13F portfolio, value $7,705,130.

    13F-HR 0000947871-25-000115 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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/A 150,942 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $6,815,031.

    13F-HR/A 0000947871-24-000889 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).