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MATTERN CAPITAL MANAGEMENT, LLC: COST position timeline

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

MATTERN CAPITAL MANAGEMENT, LLC held 14,372 COST shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 14,372 shares
    Change vs previous 13F -43 shares

    1.57% of the 13F portfolio, value $13,444,766.

    13F-HR 0001725547-26-000252 filed by MATTERN CAPITAL MANAGEMENT, 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 14,415 shares
    Change vs previous 13F -171 shares

    1.72% of the 13F portfolio, value $14,363,743.

    13F-HR 0001725547-26-000166 filed by MATTERN CAPITAL MANAGEMENT, 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 14,586 shares
    Change vs previous 13F +711 shares

    1.49% of the 13F portfolio, value $12,578,268.

    13F-HR 0001725547-26-000059 filed by MATTERN CAPITAL MANAGEMENT, 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 13,875 shares
    Change vs previous 13F -243 shares

    1.51% of the 13F portfolio, value $12,843,306.

    13F-HR 0001725547-25-004185 filed by MATTERN CAPITAL MANAGEMENT, 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 14,118 shares
    Change vs previous 13F +35 shares

    1.68% of the 13F portfolio, value $13,976,176.

    13F-HR 0001725547-25-003493 filed by MATTERN CAPITAL MANAGEMENT, 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 14,083 shares
    Change vs previous 13F -1,066 shares

    1.7% of the 13F portfolio, value $13,319,613.

    13F-HR 0001725547-25-001447 filed by MATTERN CAPITAL MANAGEMENT, 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 15,149 shares
    Change vs previous 13F -622 shares

    1.81% of the 13F portfolio, value $13,880,762.

    13F-HR 0001725547-25-000291 filed by MATTERN CAPITAL MANAGEMENT, 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 15,771 shares
    Change vs previous 13F not available

    1.76% of the 13F portfolio, value $13,981,488.

    13F-HR 0001725547-24-005983 filed by MATTERN CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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