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Robeco Institutional Asset Management B.V.: GLW position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Robeco Institutional Asset Management B.V. on GLW, newest first. How the timeline and the estimate are built.

Robeco Institutional Asset Management B.V. held 450,022 GLW shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 450,022 shares
    Change vs previous 13F +15,951 shares

    0.13% of the 13F portfolio, value $114,949,120.

    13F-HR 0001418427-26-000003 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 283,378 shares
    • Robeco Institutional Asset Management B.V.: 166,644 shares

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

  2. period ended2026-03-31
    13F 434,071 shares
    Change vs previous 13F +497 shares

    0.08% of the 13F portfolio, value $59,020,634.

    13F-HR 0001418427-26-000002 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 262,500 shares
    • Robeco Institutional Asset Management B.V.: 171,571 shares

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

  3. period ended2025-12-31
    13F 433,574 shares
    Change vs previous 13F -1,147,309 shares

    0.05% of the 13F portfolio, value $37,963,740.

    13F-HR 0001418773-26-000001 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 170,500 shares
    • Robeco Institutional Asset Management B.V.: 263,074 shares

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

  4. period ended2025-09-30
    13F 1,580,883 shares
    Change vs previous 13F -469,028 shares

    0.18% of the 13F portfolio, value $129,679,835.

    13F-HR 0001418773-25-000002 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 209,500 shares
    • Robeco Institutional Asset Management B.V.: 1,371,383 shares

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

  5. period ended2025-06-30
    13F 2,049,911 shares
    Change vs previous 13F +1,193,992 shares

    0.16% of the 13F portfolio, value $107,804,819.

    13F-HR 0001085146-25-003972 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 248,500 shares
    • Robeco Institutional Asset Management B.V.: 1,801,411 shares

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

  6. period ended2025-03-31
    13F 855,919 shares
    Change vs previous 13F +481,705 shares

    0.07% of the 13F portfolio, value $39,183,972.

    13F-HR 0001085146-25-002276 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 225,500 shares
    • Robeco Institutional Asset Management B.V.: 630,419 shares

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

  7. period ended2024-12-31
    13F 374,214 shares
    Change vs previous 13F -39,113 shares

    0.03% of the 13F portfolio, value $17,782,650.

    13F-HR 0001085146-25-000410 filed by Robeco Institutional Asset Management B.V.
    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 413,327 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $18,661,713.

    13F-HR 0001085146-24-005220 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

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