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Disclosery

Blue Chip Partners, LLC: COST position timeline

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

Blue Chip Partners, LLC held 34,829 COST shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 34,829 shares
    Change vs previous 13F +448 shares

    2.06% of the 13F portfolio, value $32,581,942.

    13F-HR 0001632801-26-000004 filed by Blue Chip 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 34,381 shares
    Change vs previous 13F +1,830 shares

    2.47% of the 13F portfolio, value $34,258,541.

    13F-HR 0001632801-26-000003 filed by Blue Chip 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 32,551 shares
    Change vs previous 13F -392 shares

    2.04% of the 13F portfolio, value $28,070,090.

    13F-HR 0001632801-26-000001 filed by Blue Chip 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 32,943 shares
    Change vs previous 13F +598 shares

    2.28% of the 13F portfolio, value $30,492,985.

    13F-HR 0001632801-25-000009 filed by Blue Chip Partners, 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 32,345 shares
    Change vs previous 13F -566 shares

    2.61% of the 13F portfolio, value $32,019,369.

    13F-HR 0001632801-25-000005 filed by Blue Chip Partners, 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 32,911 shares
    Change vs previous 13F +735 shares

    2.68% of the 13F portfolio, value $31,126,752.

    13F-HR 0001632801-25-000004 filed by Blue Chip Partners, 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 32,176 shares
    Change vs previous 13F -127 shares

    2.53% of the 13F portfolio, value $29,481,506.

    13F-HR 0001632801-25-000002 filed by Blue Chip Partners, 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 32,303 shares
    Change vs previous 13F not available

    2.49% of the 13F portfolio, value $28,637,281.

    13F-HR 0001632801-24-000006 filed by Blue Chip Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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