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Disclosery

YANKCOM Partnership: GLW position timeline

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

YANKCOM Partnership held 4,160 GLW shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,160 shares
    Change vs previous 13F -2,251 shares

    0.38% of the 13F portfolio, value $1,062,584.

    13F-HR 0001140361-26-029038 filed by YANKCOM Partnership
    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 6,411 shares
    Change vs previous 13F -1,033 shares

    0.36% of the 13F portfolio, value $871,702.

    13F-HR 0001140361-26-015513 filed by YANKCOM Partnership
    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 7,444 shares
    Change vs previous 13F -3,238 shares

    0.28% of the 13F portfolio, value $651,794.

    13F-HR 0001140361-26-001619 filed by YANKCOM Partnership
    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 10,682 shares
    Change vs previous 13F -747 shares

    0.39% of the 13F portfolio, value $876,250.

    13F-HR 0001140361-25-038578 filed by YANKCOM Partnership
    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 11,429 shares
    Change vs previous 13F +439 shares

    0.29% of the 13F portfolio, value $601,047.

    13F-HR 0001140361-25-030523 filed by YANKCOM Partnership
    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 10,990 shares
    Change vs previous 13F -4,705 shares

    0.28% of the 13F portfolio, value $503,126.

    13F-HR 0001140361-25-016385 filed by YANKCOM Partnership
    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 15,695 shares
    Change vs previous 13F not available

    0.4% of the 13F portfolio, value $745,826.

    13F-HR 0001140361-25-002061 filed by YANKCOM Partnership
    Filed (acceptance time not in the bulk data set), ingested

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