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Disclosery

Adelphi Trust Co: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Adelphi Trust Co on COST, newest first. How the timeline and the estimate are built.

Adelphi Trust Co held 1,142 COST shares at 2026-09-30 per its 13F-HR filed 2026-10-05.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 1,142 shares
    Change vs previous 13F +20 shares

    0.68% of the 13F portfolio, value $1,039,608.

    13F-HR 0002106968-26-000004 filed by Adelphi Trust Co
    Accepted , ingested

  2. period ended2026-06-30
    13F 1,122 shares
    Change vs previous 13F +97 shares

    0.7% of the 13F portfolio, value $1,049,597.

    13F-HR 0002106968-26-000003 filed by Adelphi Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 1,025 shares
    Change vs previous 13F +191 shares

    0.83% of the 13F portfolio, value $1,021,341.

    13F-HR 0002106968-26-000002 filed by Adelphi Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 834 shares
    Change vs previous 13F not available

    0.59% of the 13F portfolio, value $719,191.

    13F-HR 0002106968-26-000001 filed by Adelphi Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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