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WELLINGTON MANAGEMENT GROUP LLP: GLW position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 13,174,194 GLW shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 13,174,194 shares
    Change vs previous 13F +4,446,514 shares

    0.58% of the 13F portfolio, value $3,365,084,373.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 8,727,680 shares
    Change vs previous 13F -3,844,505 shares

    0.22% of the 13F portfolio, value $1,186,702,649.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 12,572,185 shares
    Change vs previous 13F -3,985,304 shares

    0.19% of the 13F portfolio, value $1,100,820,517.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 16,557,489 shares
    Change vs previous 13F +3,848,540 shares

    0.24% of the 13F portfolio, value $1,358,210,824.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 12,708,949 shares
    Change vs previous 13F -5,769,867 shares

    0.12% of the 13F portfolio, value $668,363,628.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 18,478,816 shares
    Change vs previous 13F -10,167,359 shares

    0.16% of the 13F portfolio, value $845,960,196.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    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/A 28,646,175 shares
    Change vs previous 13F -10,579,277 shares

    0.25% of the 13F portfolio, value $1,361,266,236.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 39,225,452 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $1,771,029,159.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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