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Disclosery

BlackRock, Inc.: GLW position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on GLW, newest first. How the timeline and the estimate are built.

BlackRock, Inc. held 65,765,574 GLW shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 65,765,574 shares
    Change vs previous 13F -944,918 shares

    0.25% of the 13F portfolio, value $16,798,500,672.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 66,710,492 shares
    Change vs previous 13F +3,125,628 shares

    0.16% of the 13F portfolio, value $9,070,625,659.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 63,584,864 shares
    Change vs previous 13F -2,457,707 shares

    0.09% of the 13F portfolio, value $5,567,490,654.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    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 66,042,571 shares
    Change vs previous 13F +2,601,763 shares

    0.1% of the 13F portfolio, value $5,417,472,150.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    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 63,440,808 shares
    Change vs previous 13F +596,751 shares

    0.06% of the 13F portfolio, value $3,336,352,097.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    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 62,844,057 shares
    Change vs previous 13F -502,566 shares

    0.06% of the 13F portfolio, value $2,877,000,949.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    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 63,346,623 shares
    Change vs previous 13F +2,061,384 shares

    0.06% of the 13F portfolio, value $3,010,231,536.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    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 61,285,239 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $2,767,028,535.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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