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River Street Advisors LLC: GLW position timeline

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

River Street Advisors LLC held 18,595 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 18,595 shares
    Change vs previous 13F -16,319 shares

    1.4% of the 13F portfolio, value $4,749,722.

    13F-HR 0001964897-26-000003 filed by River Street Advisors 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 34,914 shares
    Change vs previous 13F +170 shares

    1.6% of the 13F portfolio, value $4,747,257.

    13F-HR 0001964897-26-000002 filed by River Street Advisors 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 34,744 shares
    Change vs previous 13F -320 shares

    1.14% of the 13F portfolio, value $3,042,186.

    13F-HR 0001964897-26-000001 filed by River Street Advisors 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 35,064 shares
    Change vs previous 13F +1,114 shares

    1.12% of the 13F portfolio, value $2,876,301.

    13F-HR 0001964897-25-000010 filed by River Street Advisors 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 33,950 shares
    Change vs previous 13F +14,787 shares

    0.77% of the 13F portfolio, value $1,785,432.

    13F-HR 0001964897-25-000004 filed by River Street Advisors 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 19,163 shares
    Change vs previous 13F +282 shares

    0.43% of the 13F portfolio, value $877,283.

    13F-HR 0001964897-25-000002 filed by River Street Advisors 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 18,881 shares
    Change vs previous 13F +741 shares

    0.46% of the 13F portfolio, value $897,226.

    13F-HR 0001964897-25-000001 filed by River Street Advisors LLC
    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 18,140 shares
    Change vs previous 13F not available

    0.44% of the 13F portfolio, value $819,022.

    13F-HR 0000903783-24-000007 filed by River Street Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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