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Disclosery

S.A. Mason LLC: COST position timeline

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

S.A. Mason LLC held 5,218 COST shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,218 shares
    Change vs previous 13F +210 shares

    1.5% of the 13F portfolio, value $4,881,056.

    13F-HR 0001800911-26-000003 filed by S.A. Mason 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 5,008 shares
    Change vs previous 13F +5 shares

    1.87% of the 13F portfolio, value $4,989,669.

    13F-HR 0001800911-26-000002 filed by S.A. Mason 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 5,003 shares
    Change vs previous 13F +92 shares

    1.71% of the 13F portfolio, value $4,314,591.

    13F-HR 0001800911-26-000001 filed by S.A. Mason 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 4,911 shares
    Change vs previous 13F -45 shares

    2.01% of the 13F portfolio, value $4,545,895.

    13F-HR 0001800911-25-000005 filed by S.A. Mason 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 4,956 shares
    Change vs previous 13F -98 shares

    2.37% of the 13F portfolio, value $4,906,076.

    13F-HR 0001800911-25-000003 filed by S.A. Mason 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 5,054 shares
    Change vs previous 13F -28 shares

    2.53% of the 13F portfolio, value $4,779,725.

    13F-HR 0001800911-25-000002 filed by S.A. Mason 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 5,082 shares
    Change vs previous 13F -34 shares

    2.45% of the 13F portfolio, value $4,656,194.

    13F-HR 0001800911-25-000001 filed by S.A. Mason 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 5,116 shares
    Change vs previous 13F not available

    2.4% of the 13F portfolio, value $4,535,747.

    13F-HR 0001800911-24-000005 filed by S.A. Mason LLC
    Filed (acceptance time not in the bulk data set), ingested

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