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Disclosery

1248 Management, LLC: GLW position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of 1248 Management, LLC on GLW, newest first. How the timeline and the estimate are built.

1248 Management, LLC held 8,302 GLW shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,302 shares
    Change vs previous 13F -3,646 shares

    0.83% of the 13F portfolio, value $2,120,580.

    13F-HR 0001580642-26-005252 filed by 1248 Management, LLC
    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 11,948 shares
    Change vs previous 13F 0 shares

    0.75% of the 13F portfolio, value $1,624,570.

    13F-HR 0001580642-26-003191 filed by 1248 Management, LLC
    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 11,948 shares
    Change vs previous 13F -5,504 shares

    0.56% of the 13F portfolio, value $1,046,167.

    13F-HR 0001580642-26-001085 filed by 1248 Management, LLC
    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 17,452 shares
    Change vs previous 13F -5,683 shares

    0.81% of the 13F portfolio, value $1,431,588.

    13F-HR 0001580642-25-007307 filed by 1248 Management, LLC
    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 23,135 shares
    Change vs previous 13F 0 shares

    0.45% of the 13F portfolio, value $1,216,670.

    13F-HR 0001580642-25-005196 filed by 1248 Management, LLC
    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/A 23,135 shares
    Change vs previous 13F -1,565 shares

    0.45% of the 13F portfolio, value $1,059,120.

    13F-HR/A 0001580642-25-003600 filed by 1248 Management, LLC
    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 24,700 shares
    Change vs previous 13F not available

    0.51% of the 13F portfolio, value $1,173,744.

    13F-HR 0001580642-25-001029 filed by 1248 Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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