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Disclosery

Great Diamond Partners, LLC: GLW position timeline

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

Great Diamond Partners, LLC held 29,004 GLW shares at 2026-06-30 per its 13F-HR filed 2026-07-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,004 shares
    Change vs previous 13F -3,461 shares

    1.27% of the 13F portfolio, value $7,408,504.

    13F-HR 0001172661-26-002658 filed by Great Diamond Partners, 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 32,465 shares
    Change vs previous 13F +16,482 shares

    0.85% of the 13F portfolio, value $4,414,266.

    13F-HR 0001172661-26-001739 filed by Great Diamond Partners, 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 15,983 shares
    Change vs previous 13F +12,683 shares

    0.27% of the 13F portfolio, value $1,399,471.

    13F-HR 0001172661-26-000514 filed by Great Diamond Partners, 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 3,300 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $270,699.

    13F-HR 0001172661-25-004336 filed by Great Diamond Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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